From f5efd73d33e80657b1d4af300f0916ea756e5753 Mon Sep 17 00:00:00 2001
From: Thialfihar <thialfihar@gmail.com>
Date: Fri, 16 Jul 2010 20:13:12 +0000
Subject: [PATCH] set svn:eol-style to LF for all code/resource files

---
 res/layout/filter_info.xml                    |   76 +-
 res/layout/key_list_child_item_master_key.xml |  160 +-
 res/layout/key_list_child_item_user_id.xml    |   66 +-
 res/values-da/strings.xml                     |  516 +--
 src/org/thialfihar/android/apg/Apg.java       | 3794 ++++++++---------
 .../apg/AskForSecretKeyPassPhrase.java        |  224 +-
 .../thialfihar/android/apg/BaseActivity.java  |  762 ++--
 .../android/apg/CachedPassPhrase.java         |   90 +-
 src/org/thialfihar/android/apg/Constants.java |   70 +-
 .../android/apg/DataDestination.java          |  158 +-
 .../thialfihar/android/apg/DataSource.java    |  176 +-
 .../thialfihar/android/apg/FileDialog.java    |  236 +-
 .../android/apg/GeneralActivity.java          |  354 +-
 src/org/thialfihar/android/apg/Id.java        |  310 +-
 src/org/thialfihar/android/apg/InputData.java |   50 +-
 .../android/apg/IntegerListPreference.java    |  190 +-
 .../android/apg/KeyListActivity.java          | 1524 +++----
 .../android/apg/MailListActivity.java         |  436 +-
 .../android/apg/PositionAwareInputStream.java |  134 +-
 .../android/apg/PreferencesActivity.java      |  360 +-
 src/org/thialfihar/android/apg/Primes.java    |  370 +-
 .../android/apg/ProgressDialogUpdater.java    |   46 +-
 .../android/apg/PublicKeyListActivity.java    |  124 +-
 .../android/apg/SecretKeyListActivity.java    |  360 +-
 .../apg/SelectPublicKeyListAdapter.java       |  450 +-
 .../apg/SelectSecretKeyListAdapter.java       |  348 +-
 src/org/thialfihar/android/apg/Service.java   |  156 +-
 .../android/apg/provider/Accounts.java        |   54 +-
 .../android/apg/provider/Database.java        | 1210 +++---
 .../android/apg/provider/KeyRings.java        |   66 +-
 .../android/apg/provider/UserIds.java         |   62 +-
 .../android/apg/ui/widget/Editor.java         |   50 +-
 .../android/apg/ui/widget/KeyEditor.java      |  484 +--
 .../android/apg/ui/widget/SectionView.java    |  674 +--
 .../android/apg/ui/widget/UserIdEditor.java   |  388 +-
 .../thialfihar/android/apg/utils/Choice.java  |   88 +-
 .../android/apg/utils/IterableIterator.java   |   62 +-
 37 files changed, 7339 insertions(+), 7339 deletions(-)

diff --git a/res/layout/filter_info.xml b/res/layout/filter_info.xml
index 2270682f5..9fef6548e 100644
--- a/res/layout/filter_info.xml
+++ b/res/layout/filter_info.xml
@@ -1,38 +1,38 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="fill_parent"
-    android:layout_height="wrap_content"
-    android:paddingBottom="5dip"
-    android:orientation="horizontal">
-
-    <TextView
-        android:id="@+id/filterInfo"
-        android:layout_width="0dip"
-        android:layout_height="wrap_content"
-        android:layout_weight="1"
-        android:textAppearance="?android:attr/textAppearanceMedium"
-        android:ellipsize="end"/>
-
-    <Button
-        android:id="@+id/btn_clear"
-        android:text="@string/btn_clearFilter"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"/>
-
-</LinearLayout>
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:paddingBottom="5dip"
+    android:orientation="horizontal">
+
+    <TextView
+        android:id="@+id/filterInfo"
+        android:layout_width="0dip"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:ellipsize="end"/>
+
+    <Button
+        android:id="@+id/btn_clear"
+        android:text="@string/btn_clearFilter"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+</LinearLayout>
diff --git a/res/layout/key_list_child_item_master_key.xml b/res/layout/key_list_child_item_master_key.xml
index 790fd42f4..998ba256f 100644
--- a/res/layout/key_list_child_item_master_key.xml
+++ b/res/layout/key_list_child_item_master_key.xml
@@ -1,80 +1,80 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:singleLine="true"
-    android:paddingLeft="10dip"
-    android:layout_marginRight="?android:attr/scrollbarSize"
-    android:layout_height="?android:attr/listPreferredItemHeight"
-    android:layout_width="fill_parent">
-
-    <LinearLayout
-        android:layout_height="wrap_content"
-        android:layout_width="fill_parent"
-        android:orientation="horizontal"
-        android:paddingRight="3dip">
-
-        <ImageView
-            android:id="@+id/ic_masterKey"
-            android:src="@drawable/key_small"
-            android:paddingRight="6dip"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center_vertical"/>
-
-        <TextView
-            android:id="@+id/keyId"
-            android:text="Key ID"
-            android:textAppearance="?android:attr/textAppearanceMedium"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:paddingRight="5dip"
-            android:typeface="monospace"/>
-
-        <TextView
-            android:id="@+id/keyDetails"
-            android:text="(RSA, 1024bit)"
-            android:textAppearance="?android:attr/textAppearanceSmall"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"/>
-
-        <LinearLayout
-            android:gravity="right"
-            android:orientation="horizontal"
-            android:paddingBottom="2dip"
-            android:paddingTop="2dip"
-            android:layout_width="fill_parent"
-            android:layout_height="fill_parent"
-            android:layout_gravity="center_vertical">
-
-            <ImageView
-                android:id="@+id/ic_encryptKey"
-                android:src="@drawable/encrypted_small"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"/>
-
-            <ImageView
-                android:id="@+id/ic_signKey"
-                android:src="@drawable/signed_small"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"/>
-
-        </LinearLayout>
-
-    </LinearLayout>
-
-</LinearLayout>
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:singleLine="true"
+    android:paddingLeft="10dip"
+    android:layout_marginRight="?android:attr/scrollbarSize"
+    android:layout_height="?android:attr/listPreferredItemHeight"
+    android:layout_width="fill_parent">
+
+    <LinearLayout
+        android:layout_height="wrap_content"
+        android:layout_width="fill_parent"
+        android:orientation="horizontal"
+        android:paddingRight="3dip">
+
+        <ImageView
+            android:id="@+id/ic_masterKey"
+            android:src="@drawable/key_small"
+            android:paddingRight="6dip"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"/>
+
+        <TextView
+            android:id="@+id/keyId"
+            android:text="Key ID"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:paddingRight="5dip"
+            android:typeface="monospace"/>
+
+        <TextView
+            android:id="@+id/keyDetails"
+            android:text="(RSA, 1024bit)"
+            android:textAppearance="?android:attr/textAppearanceSmall"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+
+        <LinearLayout
+            android:gravity="right"
+            android:orientation="horizontal"
+            android:paddingBottom="2dip"
+            android:paddingTop="2dip"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent"
+            android:layout_gravity="center_vertical">
+
+            <ImageView
+                android:id="@+id/ic_encryptKey"
+                android:src="@drawable/encrypted_small"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"/>
+
+            <ImageView
+                android:id="@+id/ic_signKey"
+                android:src="@drawable/signed_small"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"/>
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+</LinearLayout>
diff --git a/res/layout/key_list_child_item_user_id.xml b/res/layout/key_list_child_item_user_id.xml
index 3226dd58a..598dcef22 100644
--- a/res/layout/key_list_child_item_user_id.xml
+++ b/res/layout/key_list_child_item_user_id.xml
@@ -1,33 +1,33 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:paddingLeft="40dip"
-    android:layout_marginRight="?android:attr/scrollbarSize"
-    android:singleLine="true"
-    android:layout_width="fill_parent"
-    android:layout_height="?android:attr/listPreferredItemHeight">
-
-    <TextView
-        android:id="@+id/userId"
-        android:text="User ID"
-        android:textAppearance="?android:attr/textAppearanceSmall"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:paddingRight="3dip"/>
-
-</LinearLayout>
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:paddingLeft="40dip"
+    android:layout_marginRight="?android:attr/scrollbarSize"
+    android:singleLine="true"
+    android:layout_width="fill_parent"
+    android:layout_height="?android:attr/listPreferredItemHeight">
+
+    <TextView
+        android:id="@+id/userId"
+        android:text="User ID"
+        android:textAppearance="?android:attr/textAppearanceSmall"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingRight="3dip"/>
+
+</LinearLayout>
diff --git a/res/values-da/strings.xml b/res/values-da/strings.xml
index dee065a50..0fa617ebc 100644
--- a/res/values-da/strings.xml
+++ b/res/values-da/strings.xml
@@ -1,258 +1,258 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<resources>
-    <string name="app_name">APG</string>
-
-    <!-- title_lowerCase: capitalized words, no punctuation -->
-    <string name="title_mailInbox">Mail Inbox</string>
-    <string name="title_managePublicKeys">Administrér Offentlige Nøgler</string>
-    <string name="title_manageSecretKeys">Administrér Private Nøgler</string>
-    <string name="title_selectRecipients">Vælg Modtagere</string>
-    <string name="title_selectSignature">Vælg Signatur</string>
-    <string name="title_encrypt">Kryptér</string>
-    <string name="title_decrypt">Afkryptér</string>
-    <string name="title_authentification">Autentificering</string>
-    <string name="title_createKey">Opret Nøgle</string>
-    <string name="title_editKey">Redigér Nøgle</string>
-    <string name="title_preferences">Indstillinger</string>
-    <string name="title_changePassPhrase">Skift Kodeord</string>
-    <string name="title_setPassPhrase">Sæt Kodeord</string>
-    <string name="title_sendEmail">"Send Mail..."</string>
-    <string name="title_encryptToFile">Kryptér Til Fil</string>
-    <string name="title_decryptToFile">Afkryptér Til Fil</string>
-    <string name="title_addAccount">Tilføj Konto</string>
-    <string name="title_importKeys">Importér Nøgle</string>
-    <string name="title_exportKey">Eksportér Nøgle</string>
-    <string name="title_exportKeys">Eksportér Nøgler</string>
-    <string name="title_keyNotFound">Ingen Nøgle Matchede</string>
-
-    <!-- section_lowerCase: capitalized words, no punctuation -->
-    <string name="section_userIds">Bruger ID</string>
-    <string name="section_keys">Nøgler</string>
-    <string name="section_general">Generelt</string>
-    <string name="section_defaults">Standard Indstillinger</string>
-
-    <!-- btn_lowerCase: capitalized words, no punctuation -->
-    <string name="btn_encryptToClipboard">Kryptér Til Clipboard</string>
-    <string name="btn_send">Kryptér Og Mail</string>
-    <string name="btn_encrypt">Kryptér</string>
-    <string name="btn_decrypt">Afkryptér</string>
-    <string name="btn_verify">Bekræft</string>
-    <string name="btn_selectEncryptKeys">Vælg Modtagere</string>
-    <string name="btn_reply">Svar</string>
-    <string name="btn_encryptMessage">Kryptér Besked</string>
-    <string name="btn_decryptMessage">Afkryptér Besked</string>
-    <string name="btn_encryptFile">Kryptér Fil</string>
-    <string name="btn_decryptFile">Afkryptér Fil</string>
-    <string name="btn_save">Gem</string>
-    <string name="btn_doNotSave">Fortryd</string>
-    <string name="btn_delete">Slet</string>
-    <string name="btn_noDate">Ingen</string>
-    <string name="btn_clearFilter">Ryd Filter</string>
-
-    <!-- menu_lowerCase: capitalized words, no punctuation -->
-    <string name="menu_about">Om APG</string>
-    <string name="menu_addAccount">Tilføj GMail Konto</string>
-    <string name="menu_deleteAccount">Slet Konto</string>
-    <string name="menu_managePublicKeys">Administrér Offentlige Nøgler</string>
-    <string name="menu_manageSecretKeys">Administrér Private Nøgler</string>
-    <string name="menu_preferences">Indstillinger</string>
-    <string name="menu_changePassPhrase">Skift Kodeord</string>
-    <string name="menu_setPassPhrase">Sæt Kodeord</string>
-    <string name="menu_importKeys">Importér Nøgler</string>
-    <string name="menu_exportKeys">Eksportér Nøgler</string>
-    <string name="menu_exportKey">Eksportér Nøgle</string>
-    <string name="menu_deleteKey">Slet Nøgle</string>
-    <string name="menu_createKey">Opret Nøgle</string>
-    <string name="menu_editKey">Redigér Nøgle</string>
-    <string name="menu_search">Søg</string>
-
-    <!-- label_lowerCase: capitalized words, no punctuation -->
-    <string name="label_sign">Signér</string>
-    <string name="label_message">Besked</string>
-    <string name="label_file">Fil</string>
-    <string name="label_passPhrase">Kodeord</string>
-    <string name="label_passPhraseAgain">Igen</string>
-    <string name="label_algorithm">Algoritme</string>
-    <string name="label_asciiArmour">ASCII Rustning</string>
-    <string name="label_selectPublicKeys">Offentlig(e) Nøgle(r)</string>
-    <string name="label_deleteAfterEncryption">Slet Efter Kryptering</string>
-    <string name="label_deleteAfterDecryption">Slet Efter Afkryptering</string>
-    <string name="label_encryptionAlgorithm">Krypteringsalgoritme</string>
-    <string name="label_hashAlgorithm">Hash-algoritme</string>
-    <string name="label_asymmetric">Offentlig Nøgle</string>
-    <string name="label_symmetric">Kodeord</string>
-    <string name="label_passPhraseCacheTtl">Kodeords Cache</string>
-    <string name="label_messageCompression">Besked Komprimering</string>
-    <string name="label_fileCompression">Fil Komprimering</string>
-
-    <string name="noKeysSelected">Vælg</string>
-    <string name="oneKeySelected">1 Valgt</string>
-    <string name="nKeysSelected">Valgt</string>
-    <string name="unknownUserId">&lt;ukendt&gt;</string>
-    <string name="none">&lt;ingen&gt;</string>
-    <string name="noKey">&lt;ingen nøgle&gt;</string>
-    <string name="noDate">-</string>
-    <string name="noExpiry">&lt;udløber ikke&gt;</string>
-    <string name="unknownStatus"></string>
-    <string name="canEncrypt">kan kryptere</string>
-    <string name="canSign">kan signere</string>
-    <string name="expired">udløbet</string>
-    <string name="notValid">ugyldig</string>
-
-    <!-- choice_lowerCase: capitalized firwst word, no punctuation -->
-    <string name="choice_none">Ingen</string>
-    <string name="choice_signOnly">Kun signering</string>
-    <string name="choice_encryptOnly">Kun kryptering</string>
-    <string name="choice_signAndEncrypt">Signér og kryptér</string>
-    <string name="choice_15secs">15 secs</string>
-    <string name="choice_1min">1 min</string>
-    <string name="choice_3mins">3 min</string>
-    <string name="choice_5mins">5 min</string>
-    <string name="choice_10mins">10 min</string>
-    <string name="choice_untilQuit">Indtil slut</string>
-
-    <string name="dsa">DSA</string>
-    <string name="elgamal">ElGamal</string>
-    <string name="rsa">RSA</string>
-
-    <string name="filemanager_titleOpen">Åbn...</string>
-    <string name="filemanager_titleSave">Gem Som...</string>
-    <string name="filemanager_titleEncrypt">Vælg Fil Som Skal Krypteres...</string>
-    <string name="filemanager_titleDecrypt">Vælg Fil Som Skal Afkrypteres...</string>
-    <string name="filemanager_btnOpen">Åbn</string>
-    <string name="filemanager_btnSave">Gem</string>
-
-    <string name="warning">Advarsel</string>
-    <string name="error">Fejl</string>
-    <string name="warningMessage">Advarsel: %s</string>
-    <string name="errorMessage">Fejl: %s</string>
-
-    <!-- sentences -->
-    <string name="wrongPassPhrase">Forkert kodeord.</string>
-    <string name="usingClipboardContent">Bruger clipboardets indhold.</string>
-    <string name="keySaved">Nøgle gemt.</string>
-    <string name="setAPassPhrase">Sæt et kodeord via Indstillinger først.</string>
-    <string name="noFilemanagerInstalled">Der er ikke installeret en kompatibel fil håndtering.</string>
-    <string name="passPhrasesDoNotMatch">Kodeordet matchede ikke.</string>
-    <string name="passPhraseMustNotBeEmpty">Et tomt kodeord er ikke tilladt.</string>
-    <string name="passPhraseForSymmetricEncryption">Kodeord til symmetrisk kryptering:</string>
-    <string name="passPhraseFor">Kodeord til %s:</string>
-    <string name="fileDeleteConfirmation">Er du sikker på at du vil slette \n%s?</string>
-    <string name="fileDeleteSuccessful">Filen er slettet.</string>
-    <string name="noFileSelected">Vælg en fil først.</string>
-    <string name="decryptionSuccessful">Afkryptering lykkedes.</string>
-    <string name="encryptionSuccessful">Kryptering lykkedes.</string>
-    <string name="encryptionToClipboardSuccessful">Kryptering til clipboard lykkedes.</string>
-    <string name="enterPassPhraseTwice">Tast kodeordet to gange.</string>
-    <string name="selectEncryptionKey">Vælg mindst én krypteringsnøgle.</string>
-    <string name="selectEncryptionOrSignatureKey">Vælg mindst én krypteringsnøgle eller signaturnøgle.</string>
-    <string name="specifyFileToEncryptTo">Angiv navnet på filen der skal krypteres til.\nADVARSEL! Filen vil blive overskrevet hvis den allerede eksisterer.</string>
-    <string name="specifyFileToDecryptTo">Angiv navnet på filen der skal afkrypteres til.\nADVARSEL! Filen vil blive overskrevet hvis den allerede eksisterer.</string>
-    <string name="specifyGoogleMailAccount">Angiv den Google Mail konto du ønsker at tilføje.</string>
-    <string name="specifyFileToImportFrom">Angiv hvilken fil du ønsker at importere nøgler fra. (.asc eller .gpg)</string>
-    <string name="specifyFileToExportTo">Angiv hvilken fil der skal eksporteres til.\nADVARSEL! Filen vil blive overskrevet hvis den allerede eksisterer.</string>
-    <string name="specifyFileToExportSecretKeysTo">Angiv hvilken fil der skal eksporteres til.\nADVARSEL! Du er ved at eksportere PRIVATE nøgler.\nADVARSEL! Filen vil blive overskrevet hvis den allerede eksisterer.</string>
-    <string name="keyDeletionConfirmation">Ønsker du at slette \'%s\'-nøglen?\nDu kan ikke fortryde denne handling!</string>
-    <string name="secretKeyDeletionConfirmation">Ønsker du at slette den PRIVATE nøgle, \'%s\'?\nDu kan ikke fortryde denne handling!</string>
-    <string name="keysAddedAndUpdated">Tilføjelse af %s nøgle(r) og opdatering af %s nøgle(r) lykkedes."</string>
-    <string name="keysAdded">Tilføjelse af %s nøgle(r) lykkedes.</string>
-    <string name="keysUpdated">Opdatring af %s nøgle(r) lykkedes.</string>
-    <string name="noKeysAddedOrUpdated">Ingen nøgler blev tilføjet eller opdateret.</string>
-    <string name="keyExported">Eksport af 1 nøgle lykkedes.</string>
-    <string name="keysExported">Eksport af %s nøgler lykkedes.</string>
-    <string name="noKeysExported">Ingen nøgler blev eksporteret.</string>
-    <string name="keyCreationElGamalInfo">NB: Kun undernøgler understøtter ElGamal, og for ELGamal vil den nærmeste nøglestørrelse - 1536, 2048, 3072, 4096, eller 8192 - blive brugt.</string>
-    <string name="keyNotFound">Kunne ikke finde %08X nøglen.</string>
-
-    <!-- error_lowerCase: phrases, no punctuation, all lowercase,
-         they will be put after "errorMessage", e.g. "Error: file not found" -->
-    <string name="error_fileDeleteFailed">\'%s\' kunne ikke slettes</string>
-    <string name="error_fileNotFound">filen findes ikke</string>
-    <string name="error_noSecretKeyFound">ingen egnet privat nøgle fundet</string>
-    <string name="error_noKnownEncryptionFound">ingen kendt krypterings måde fundet</string>
-    <string name="error_externalStorageNotReady">ekstern storage er ikke parat</string>
-    <string name="error_accountNotFound">\'%s\'-kontoen blev ikke fundet</string>
-    <string name="error_addingAccountFailed">\'%s\'-kontoen kunne ikke tilføjes</string>
-    <string name="error_invalidEmail">ugyldig email \'%s\'</string>
-    <string name="error_keySizeMinimum512bit">nøgle størrelsen skal være på mindst 512bit</string>
-    <string name="error_masterKeyMustNotBeElGamal">hoved nøglen kan ikke være en ElGamal nøgle</string>
-    <string name="error_unknownAlgorithmChoice">ukendt algoritme valg</string>
-    <string name="error_userIdNeedsAName">angiv et navn</string>
-    <string name="error_userIdNeedsAnEmailAddress">angiv en email adresse</string>
-    <string name="error_keyNeedsAUserId">der skal bruges mindst ét bruger-id</string>
-    <string name="error_mainUserIdMustNotBeEmpty">hovedbruger-id kan ikke være tomt</string>
-    <string name="error_keyNeedsMasterKey">der skal mindst bruges en hovednøgle</string>
-    <string name="error_expiryMustComeAfterCreation">udløbsdatoen skal være senere end oprettelsesdatoen</string>
-    <string name="error_noEncryptionKeysOrPassPhrase">hverken krypteringsnøgler eller kodeord modtaget</string>
-    <string name="error_signatureFailed">signering mislykkedes</string>
-    <string name="error_noSignaturePassPhrase">intet kodeord modtaget</string>
-    <string name="error_noSignatureKey">ingen signatur nøgle modtaget</string>
-    <string name="error_invalidData">ikke gyldig krypteringsdata</string>
-    <string name="error_corruptData">beskadiget data</string>
-    <string name="error_noSymmetricEncryptionPacket">kunne ikke finde en pakke med symmetrisk kryptering</string>
-    <string name="error_wrongPassPhrase">forkert kodeord</string>
-    <string name="error_savingKeys">der opstod en fejl da nøglen eller nøglerne skulle gemmes</string>
-
-    <!-- progress_lowerCase: lowercase, phrases, usually ending in '...' -->
-    <string name="progress_done">færdig.</string>
-    <string name="progress_initializing">starter op...</string>
-    <string name="progress_saving">gemmer...</string>
-    <string name="progress_importing">importerer...</string>
-    <string name="progress_exporting">eksporterer...</string>
-    <string name="progress_generating">genererer nøgle, dette kan tage et stykke tid...</string>
-    <string name="progress_buildingKey">opbygger nøgle...</string>
-    <string name="progress_preparingMasterKey">forbereder hovednøgle...</string>
-    <string name="progress_certifyingMasterKey">bekræfter hovednøgle...</string>
-    <string name="progress_buildingMasterKeyRing">bygger hovednøglering...</string>
-    <string name="progress_addingSubKeys">tilføjer undernøgler...</string>
-    <string name="progress_savingKeyRing">gemmer nøglering...</string>
-    <string name="progress_importingSecretKeys">importerer private nøgler...</string>
-    <string name="progress_importingPublicKeys">importerer offentlige nøgler...</string>
-    <string name="progress_reloadingKeys">genloader nøgler...</string>
-    <string name="progress_exportingKey">eksporterer nøgle...</string>
-    <string name="progress_exportingKeys">eksporterer nøgler...</string>
-    <string name="progress_extractingSignatureKey">henter signatur nøgle...</string>
-    <string name="progress_extractingKey">henter nøgle...</string>
-    <string name="progress_preparingStreams">forbereder streams...</string>
-    <string name="progress_encrypting">krypterer data...</string>
-    <string name="progress_decrypting">afkrypterer data...</string>
-    <string name="progress_preparingSignature">forbereder signatur...</string>
-    <string name="progress_generatingSignature">skaber signatur...</string>
-    <string name="progress_processingSignature">behandler signatur...</string>
-    <string name="progress_verifyingSignature">bekræfter signatur...</string>
-    <string name="progress_signing">signerer...</string>
-    <string name="progress_readingData">læser data...</string>
-    <string name="progress_findingKey">søger nøgle...</string>
-    <string name="progress_decompressingData">afkomprimerer data...</string>
-    <string name="progress_verifyingIntegrity">bekræfter integritet...</string>
-
-    <!-- permission strings -->
-    <string name="permission_read_key_details_label">Læs nøgle detaljer fra APG.</string>
-    <string name="permission_read_key_details_description">Læs om offentlige og private nøgler gemt i APG, f. eks. nøgle ID og bruger ID. Selve nøglerne kan IKKE læses.</string>
-
-    <!-- action strings -->
-    <string name="action_encrypt">Kryptér</string>
-    <string name="action_decrypt">Afkryptér</string>
-    <string name="action_importPublic">Importér Offentlige Nøgler</string>
-    <string name="action_importSecret">Importér Private Nøgler</string>
-
-    <string name="hint_publicKeys">Søg I Offentlige Nøgler</string>
-    <string name="hint_secretKeys">Søg I Private Nøgler</string>
-    <string name="filterInfo">Filter: \"%s\"</string>
-
-</resources>
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <string name="app_name">APG</string>
+
+    <!-- title_lowerCase: capitalized words, no punctuation -->
+    <string name="title_mailInbox">Mail Inbox</string>
+    <string name="title_managePublicKeys">Administrér Offentlige Nøgler</string>
+    <string name="title_manageSecretKeys">Administrér Private Nøgler</string>
+    <string name="title_selectRecipients">Vælg Modtagere</string>
+    <string name="title_selectSignature">Vælg Signatur</string>
+    <string name="title_encrypt">Kryptér</string>
+    <string name="title_decrypt">Afkryptér</string>
+    <string name="title_authentification">Autentificering</string>
+    <string name="title_createKey">Opret Nøgle</string>
+    <string name="title_editKey">Redigér Nøgle</string>
+    <string name="title_preferences">Indstillinger</string>
+    <string name="title_changePassPhrase">Skift Kodeord</string>
+    <string name="title_setPassPhrase">Sæt Kodeord</string>
+    <string name="title_sendEmail">"Send Mail..."</string>
+    <string name="title_encryptToFile">Kryptér Til Fil</string>
+    <string name="title_decryptToFile">Afkryptér Til Fil</string>
+    <string name="title_addAccount">Tilføj Konto</string>
+    <string name="title_importKeys">Importér Nøgle</string>
+    <string name="title_exportKey">Eksportér Nøgle</string>
+    <string name="title_exportKeys">Eksportér Nøgler</string>
+    <string name="title_keyNotFound">Ingen Nøgle Matchede</string>
+
+    <!-- section_lowerCase: capitalized words, no punctuation -->
+    <string name="section_userIds">Bruger ID</string>
+    <string name="section_keys">Nøgler</string>
+    <string name="section_general">Generelt</string>
+    <string name="section_defaults">Standard Indstillinger</string>
+
+    <!-- btn_lowerCase: capitalized words, no punctuation -->
+    <string name="btn_encryptToClipboard">Kryptér Til Clipboard</string>
+    <string name="btn_send">Kryptér Og Mail</string>
+    <string name="btn_encrypt">Kryptér</string>
+    <string name="btn_decrypt">Afkryptér</string>
+    <string name="btn_verify">Bekræft</string>
+    <string name="btn_selectEncryptKeys">Vælg Modtagere</string>
+    <string name="btn_reply">Svar</string>
+    <string name="btn_encryptMessage">Kryptér Besked</string>
+    <string name="btn_decryptMessage">Afkryptér Besked</string>
+    <string name="btn_encryptFile">Kryptér Fil</string>
+    <string name="btn_decryptFile">Afkryptér Fil</string>
+    <string name="btn_save">Gem</string>
+    <string name="btn_doNotSave">Fortryd</string>
+    <string name="btn_delete">Slet</string>
+    <string name="btn_noDate">Ingen</string>
+    <string name="btn_clearFilter">Ryd Filter</string>
+
+    <!-- menu_lowerCase: capitalized words, no punctuation -->
+    <string name="menu_about">Om APG</string>
+    <string name="menu_addAccount">Tilføj GMail Konto</string>
+    <string name="menu_deleteAccount">Slet Konto</string>
+    <string name="menu_managePublicKeys">Administrér Offentlige Nøgler</string>
+    <string name="menu_manageSecretKeys">Administrér Private Nøgler</string>
+    <string name="menu_preferences">Indstillinger</string>
+    <string name="menu_changePassPhrase">Skift Kodeord</string>
+    <string name="menu_setPassPhrase">Sæt Kodeord</string>
+    <string name="menu_importKeys">Importér Nøgler</string>
+    <string name="menu_exportKeys">Eksportér Nøgler</string>
+    <string name="menu_exportKey">Eksportér Nøgle</string>
+    <string name="menu_deleteKey">Slet Nøgle</string>
+    <string name="menu_createKey">Opret Nøgle</string>
+    <string name="menu_editKey">Redigér Nøgle</string>
+    <string name="menu_search">Søg</string>
+
+    <!-- label_lowerCase: capitalized words, no punctuation -->
+    <string name="label_sign">Signér</string>
+    <string name="label_message">Besked</string>
+    <string name="label_file">Fil</string>
+    <string name="label_passPhrase">Kodeord</string>
+    <string name="label_passPhraseAgain">Igen</string>
+    <string name="label_algorithm">Algoritme</string>
+    <string name="label_asciiArmour">ASCII Rustning</string>
+    <string name="label_selectPublicKeys">Offentlig(e) Nøgle(r)</string>
+    <string name="label_deleteAfterEncryption">Slet Efter Kryptering</string>
+    <string name="label_deleteAfterDecryption">Slet Efter Afkryptering</string>
+    <string name="label_encryptionAlgorithm">Krypteringsalgoritme</string>
+    <string name="label_hashAlgorithm">Hash-algoritme</string>
+    <string name="label_asymmetric">Offentlig Nøgle</string>
+    <string name="label_symmetric">Kodeord</string>
+    <string name="label_passPhraseCacheTtl">Kodeords Cache</string>
+    <string name="label_messageCompression">Besked Komprimering</string>
+    <string name="label_fileCompression">Fil Komprimering</string>
+
+    <string name="noKeysSelected">Vælg</string>
+    <string name="oneKeySelected">1 Valgt</string>
+    <string name="nKeysSelected">Valgt</string>
+    <string name="unknownUserId">&lt;ukendt&gt;</string>
+    <string name="none">&lt;ingen&gt;</string>
+    <string name="noKey">&lt;ingen nøgle&gt;</string>
+    <string name="noDate">-</string>
+    <string name="noExpiry">&lt;udløber ikke&gt;</string>
+    <string name="unknownStatus"></string>
+    <string name="canEncrypt">kan kryptere</string>
+    <string name="canSign">kan signere</string>
+    <string name="expired">udløbet</string>
+    <string name="notValid">ugyldig</string>
+
+    <!-- choice_lowerCase: capitalized firwst word, no punctuation -->
+    <string name="choice_none">Ingen</string>
+    <string name="choice_signOnly">Kun signering</string>
+    <string name="choice_encryptOnly">Kun kryptering</string>
+    <string name="choice_signAndEncrypt">Signér og kryptér</string>
+    <string name="choice_15secs">15 secs</string>
+    <string name="choice_1min">1 min</string>
+    <string name="choice_3mins">3 min</string>
+    <string name="choice_5mins">5 min</string>
+    <string name="choice_10mins">10 min</string>
+    <string name="choice_untilQuit">Indtil slut</string>
+
+    <string name="dsa">DSA</string>
+    <string name="elgamal">ElGamal</string>
+    <string name="rsa">RSA</string>
+
+    <string name="filemanager_titleOpen">Åbn...</string>
+    <string name="filemanager_titleSave">Gem Som...</string>
+    <string name="filemanager_titleEncrypt">Vælg Fil Som Skal Krypteres...</string>
+    <string name="filemanager_titleDecrypt">Vælg Fil Som Skal Afkrypteres...</string>
+    <string name="filemanager_btnOpen">Åbn</string>
+    <string name="filemanager_btnSave">Gem</string>
+
+    <string name="warning">Advarsel</string>
+    <string name="error">Fejl</string>
+    <string name="warningMessage">Advarsel: %s</string>
+    <string name="errorMessage">Fejl: %s</string>
+
+    <!-- sentences -->
+    <string name="wrongPassPhrase">Forkert kodeord.</string>
+    <string name="usingClipboardContent">Bruger clipboardets indhold.</string>
+    <string name="keySaved">Nøgle gemt.</string>
+    <string name="setAPassPhrase">Sæt et kodeord via Indstillinger først.</string>
+    <string name="noFilemanagerInstalled">Der er ikke installeret en kompatibel fil håndtering.</string>
+    <string name="passPhrasesDoNotMatch">Kodeordet matchede ikke.</string>
+    <string name="passPhraseMustNotBeEmpty">Et tomt kodeord er ikke tilladt.</string>
+    <string name="passPhraseForSymmetricEncryption">Kodeord til symmetrisk kryptering:</string>
+    <string name="passPhraseFor">Kodeord til %s:</string>
+    <string name="fileDeleteConfirmation">Er du sikker på at du vil slette \n%s?</string>
+    <string name="fileDeleteSuccessful">Filen er slettet.</string>
+    <string name="noFileSelected">Vælg en fil først.</string>
+    <string name="decryptionSuccessful">Afkryptering lykkedes.</string>
+    <string name="encryptionSuccessful">Kryptering lykkedes.</string>
+    <string name="encryptionToClipboardSuccessful">Kryptering til clipboard lykkedes.</string>
+    <string name="enterPassPhraseTwice">Tast kodeordet to gange.</string>
+    <string name="selectEncryptionKey">Vælg mindst én krypteringsnøgle.</string>
+    <string name="selectEncryptionOrSignatureKey">Vælg mindst én krypteringsnøgle eller signaturnøgle.</string>
+    <string name="specifyFileToEncryptTo">Angiv navnet på filen der skal krypteres til.\nADVARSEL! Filen vil blive overskrevet hvis den allerede eksisterer.</string>
+    <string name="specifyFileToDecryptTo">Angiv navnet på filen der skal afkrypteres til.\nADVARSEL! Filen vil blive overskrevet hvis den allerede eksisterer.</string>
+    <string name="specifyGoogleMailAccount">Angiv den Google Mail konto du ønsker at tilføje.</string>
+    <string name="specifyFileToImportFrom">Angiv hvilken fil du ønsker at importere nøgler fra. (.asc eller .gpg)</string>
+    <string name="specifyFileToExportTo">Angiv hvilken fil der skal eksporteres til.\nADVARSEL! Filen vil blive overskrevet hvis den allerede eksisterer.</string>
+    <string name="specifyFileToExportSecretKeysTo">Angiv hvilken fil der skal eksporteres til.\nADVARSEL! Du er ved at eksportere PRIVATE nøgler.\nADVARSEL! Filen vil blive overskrevet hvis den allerede eksisterer.</string>
+    <string name="keyDeletionConfirmation">Ønsker du at slette \'%s\'-nøglen?\nDu kan ikke fortryde denne handling!</string>
+    <string name="secretKeyDeletionConfirmation">Ønsker du at slette den PRIVATE nøgle, \'%s\'?\nDu kan ikke fortryde denne handling!</string>
+    <string name="keysAddedAndUpdated">Tilføjelse af %s nøgle(r) og opdatering af %s nøgle(r) lykkedes."</string>
+    <string name="keysAdded">Tilføjelse af %s nøgle(r) lykkedes.</string>
+    <string name="keysUpdated">Opdatring af %s nøgle(r) lykkedes.</string>
+    <string name="noKeysAddedOrUpdated">Ingen nøgler blev tilføjet eller opdateret.</string>
+    <string name="keyExported">Eksport af 1 nøgle lykkedes.</string>
+    <string name="keysExported">Eksport af %s nøgler lykkedes.</string>
+    <string name="noKeysExported">Ingen nøgler blev eksporteret.</string>
+    <string name="keyCreationElGamalInfo">NB: Kun undernøgler understøtter ElGamal, og for ELGamal vil den nærmeste nøglestørrelse - 1536, 2048, 3072, 4096, eller 8192 - blive brugt.</string>
+    <string name="keyNotFound">Kunne ikke finde %08X nøglen.</string>
+
+    <!-- error_lowerCase: phrases, no punctuation, all lowercase,
+         they will be put after "errorMessage", e.g. "Error: file not found" -->
+    <string name="error_fileDeleteFailed">\'%s\' kunne ikke slettes</string>
+    <string name="error_fileNotFound">filen findes ikke</string>
+    <string name="error_noSecretKeyFound">ingen egnet privat nøgle fundet</string>
+    <string name="error_noKnownEncryptionFound">ingen kendt krypterings måde fundet</string>
+    <string name="error_externalStorageNotReady">ekstern storage er ikke parat</string>
+    <string name="error_accountNotFound">\'%s\'-kontoen blev ikke fundet</string>
+    <string name="error_addingAccountFailed">\'%s\'-kontoen kunne ikke tilføjes</string>
+    <string name="error_invalidEmail">ugyldig email \'%s\'</string>
+    <string name="error_keySizeMinimum512bit">nøgle størrelsen skal være på mindst 512bit</string>
+    <string name="error_masterKeyMustNotBeElGamal">hoved nøglen kan ikke være en ElGamal nøgle</string>
+    <string name="error_unknownAlgorithmChoice">ukendt algoritme valg</string>
+    <string name="error_userIdNeedsAName">angiv et navn</string>
+    <string name="error_userIdNeedsAnEmailAddress">angiv en email adresse</string>
+    <string name="error_keyNeedsAUserId">der skal bruges mindst ét bruger-id</string>
+    <string name="error_mainUserIdMustNotBeEmpty">hovedbruger-id kan ikke være tomt</string>
+    <string name="error_keyNeedsMasterKey">der skal mindst bruges en hovednøgle</string>
+    <string name="error_expiryMustComeAfterCreation">udløbsdatoen skal være senere end oprettelsesdatoen</string>
+    <string name="error_noEncryptionKeysOrPassPhrase">hverken krypteringsnøgler eller kodeord modtaget</string>
+    <string name="error_signatureFailed">signering mislykkedes</string>
+    <string name="error_noSignaturePassPhrase">intet kodeord modtaget</string>
+    <string name="error_noSignatureKey">ingen signatur nøgle modtaget</string>
+    <string name="error_invalidData">ikke gyldig krypteringsdata</string>
+    <string name="error_corruptData">beskadiget data</string>
+    <string name="error_noSymmetricEncryptionPacket">kunne ikke finde en pakke med symmetrisk kryptering</string>
+    <string name="error_wrongPassPhrase">forkert kodeord</string>
+    <string name="error_savingKeys">der opstod en fejl da nøglen eller nøglerne skulle gemmes</string>
+
+    <!-- progress_lowerCase: lowercase, phrases, usually ending in '...' -->
+    <string name="progress_done">færdig.</string>
+    <string name="progress_initializing">starter op...</string>
+    <string name="progress_saving">gemmer...</string>
+    <string name="progress_importing">importerer...</string>
+    <string name="progress_exporting">eksporterer...</string>
+    <string name="progress_generating">genererer nøgle, dette kan tage et stykke tid...</string>
+    <string name="progress_buildingKey">opbygger nøgle...</string>
+    <string name="progress_preparingMasterKey">forbereder hovednøgle...</string>
+    <string name="progress_certifyingMasterKey">bekræfter hovednøgle...</string>
+    <string name="progress_buildingMasterKeyRing">bygger hovednøglering...</string>
+    <string name="progress_addingSubKeys">tilføjer undernøgler...</string>
+    <string name="progress_savingKeyRing">gemmer nøglering...</string>
+    <string name="progress_importingSecretKeys">importerer private nøgler...</string>
+    <string name="progress_importingPublicKeys">importerer offentlige nøgler...</string>
+    <string name="progress_reloadingKeys">genloader nøgler...</string>
+    <string name="progress_exportingKey">eksporterer nøgle...</string>
+    <string name="progress_exportingKeys">eksporterer nøgler...</string>
+    <string name="progress_extractingSignatureKey">henter signatur nøgle...</string>
+    <string name="progress_extractingKey">henter nøgle...</string>
+    <string name="progress_preparingStreams">forbereder streams...</string>
+    <string name="progress_encrypting">krypterer data...</string>
+    <string name="progress_decrypting">afkrypterer data...</string>
+    <string name="progress_preparingSignature">forbereder signatur...</string>
+    <string name="progress_generatingSignature">skaber signatur...</string>
+    <string name="progress_processingSignature">behandler signatur...</string>
+    <string name="progress_verifyingSignature">bekræfter signatur...</string>
+    <string name="progress_signing">signerer...</string>
+    <string name="progress_readingData">læser data...</string>
+    <string name="progress_findingKey">søger nøgle...</string>
+    <string name="progress_decompressingData">afkomprimerer data...</string>
+    <string name="progress_verifyingIntegrity">bekræfter integritet...</string>
+
+    <!-- permission strings -->
+    <string name="permission_read_key_details_label">Læs nøgle detaljer fra APG.</string>
+    <string name="permission_read_key_details_description">Læs om offentlige og private nøgler gemt i APG, f. eks. nøgle ID og bruger ID. Selve nøglerne kan IKKE læses.</string>
+
+    <!-- action strings -->
+    <string name="action_encrypt">Kryptér</string>
+    <string name="action_decrypt">Afkryptér</string>
+    <string name="action_importPublic">Importér Offentlige Nøgler</string>
+    <string name="action_importSecret">Importér Private Nøgler</string>
+
+    <string name="hint_publicKeys">Søg I Offentlige Nøgler</string>
+    <string name="hint_secretKeys">Søg I Private Nøgler</string>
+    <string name="filterInfo">Filter: \"%s\"</string>
+
+</resources>
diff --git a/src/org/thialfihar/android/apg/Apg.java b/src/org/thialfihar/android/apg/Apg.java
index e2c6df5b9..58639cee0 100644
--- a/src/org/thialfihar/android/apg/Apg.java
+++ b/src/org/thialfihar/android/apg/Apg.java
@@ -1,1897 +1,1897 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import java.io.BufferedInputStream;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.EOFException;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.math.BigInteger;
-import java.security.InvalidAlgorithmParameterException;
-import java.security.KeyPairGenerator;
-import java.security.NoSuchAlgorithmException;
-import java.security.NoSuchProviderException;
-import java.security.SecureRandom;
-import java.security.Security;
-import java.security.SignatureException;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Vector;
-import java.util.regex.Pattern;
-
-import org.bouncycastle2.bcpg.ArmoredInputStream;
-import org.bouncycastle2.bcpg.ArmoredOutputStream;
-import org.bouncycastle2.bcpg.BCPGOutputStream;
-import org.bouncycastle2.bcpg.CompressionAlgorithmTags;
-import org.bouncycastle2.bcpg.HashAlgorithmTags;
-import org.bouncycastle2.bcpg.SymmetricKeyAlgorithmTags;
-import org.bouncycastle2.bcpg.sig.KeyFlags;
-import org.bouncycastle2.jce.provider.BouncyCastleProvider;
-import org.bouncycastle2.jce.spec.ElGamalParameterSpec;
-import org.bouncycastle2.openpgp.PGPCompressedData;
-import org.bouncycastle2.openpgp.PGPCompressedDataGenerator;
-import org.bouncycastle2.openpgp.PGPEncryptedData;
-import org.bouncycastle2.openpgp.PGPEncryptedDataGenerator;
-import org.bouncycastle2.openpgp.PGPEncryptedDataList;
-import org.bouncycastle2.openpgp.PGPException;
-import org.bouncycastle2.openpgp.PGPKeyPair;
-import org.bouncycastle2.openpgp.PGPKeyRingGenerator;
-import org.bouncycastle2.openpgp.PGPLiteralData;
-import org.bouncycastle2.openpgp.PGPLiteralDataGenerator;
-import org.bouncycastle2.openpgp.PGPObjectFactory;
-import org.bouncycastle2.openpgp.PGPOnePassSignature;
-import org.bouncycastle2.openpgp.PGPOnePassSignatureList;
-import org.bouncycastle2.openpgp.PGPPBEEncryptedData;
-import org.bouncycastle2.openpgp.PGPPrivateKey;
-import org.bouncycastle2.openpgp.PGPPublicKey;
-import org.bouncycastle2.openpgp.PGPPublicKeyEncryptedData;
-import org.bouncycastle2.openpgp.PGPPublicKeyRing;
-import org.bouncycastle2.openpgp.PGPSecretKey;
-import org.bouncycastle2.openpgp.PGPSecretKeyRing;
-import org.bouncycastle2.openpgp.PGPSignature;
-import org.bouncycastle2.openpgp.PGPSignatureGenerator;
-import org.bouncycastle2.openpgp.PGPSignatureList;
-import org.bouncycastle2.openpgp.PGPSignatureSubpacketGenerator;
-import org.bouncycastle2.openpgp.PGPSignatureSubpacketVector;
-import org.bouncycastle2.openpgp.PGPUtil;
-import org.thialfihar.android.apg.provider.DataProvider;
-import org.thialfihar.android.apg.provider.Database;
-import org.thialfihar.android.apg.provider.KeyRings;
-import org.thialfihar.android.apg.provider.Keys;
-import org.thialfihar.android.apg.provider.UserIds;
-import org.thialfihar.android.apg.ui.widget.KeyEditor;
-import org.thialfihar.android.apg.ui.widget.SectionView;
-import org.thialfihar.android.apg.ui.widget.UserIdEditor;
-import org.thialfihar.android.apg.utils.IterableIterator;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager.NameNotFoundException;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Environment;
-import android.view.ViewGroup;
-
-public class Apg {
-    private static final String mApgPackageName = "org.thialfihar.android.apg";
-
-    public static class Intent {
-        public static final String DECRYPT = "org.thialfihar.android.apg.intent.DECRYPT";
-        public static final String ENCRYPT = "org.thialfihar.android.apg.intent.ENCRYPT";
-        public static final String DECRYPT_FILE = "org.thialfihar.android.apg.intent.DECRYPT_FILE";
-        public static final String ENCRYPT_FILE = "org.thialfihar.android.apg.intent.ENCRYPT_FILE";
-        public static final String DECRYPT_AND_RETURN = "org.thialfihar.android.apg.intent.DECRYPT_AND_RETURN";
-        public static final String ENCRYPT_AND_RETURN = "org.thialfihar.android.apg.intent.ENCRYPT_AND_RETURN";
-        public static final String SELECT_PUBLIC_KEYS = "org.thialfihar.android.apg.intent.SELECT_PUBLIC_KEYS";
-        public static final String SELECT_SECRET_KEY = "org.thialfihar.android.apg.intent.SELECT_SECRET_KEY";
-        public static final String IMPORT = "org.thialfihar.android.apg.intent.IMPORT";
-    }
-
-    public static final String EXTRA_TEXT = "text";
-    public static final String EXTRA_DATA = "data";
-    public static final String EXTRA_STATUS = "status";
-    public static final String EXTRA_ERROR = "error";
-    public static final String EXTRA_DECRYPTED_MESSAGE = "decryptedMessage";
-    public static final String EXTRA_DECRYPTED_DATA = "decryptedData";
-    public static final String EXTRA_ENCRYPTED_MESSAGE = "encryptedMessage";
-    public static final String EXTRA_ENCRYPTED_DATA = "encryptedData";
-    public static final String EXTRA_RESULT_URI = "resultUri";
-    public static final String EXTRA_SIGNATURE = "signature";
-    public static final String EXTRA_SIGNATURE_KEY_ID = "signatureKeyId";
-    public static final String EXTRA_SIGNATURE_USER_ID = "signatureUserId";
-    public static final String EXTRA_SIGNATURE_SUCCESS = "signatureSuccess";
-    public static final String EXTRA_SIGNATURE_UNKNOWN = "signatureUnknown";
-    public static final String EXTRA_USER_ID = "userId";
-    public static final String EXTRA_KEY_ID = "keyId";
-    public static final String EXTRA_REPLY_TO = "replyTo";
-    public static final String EXTRA_SEND_TO = "sendTo";
-    public static final String EXTRA_SUBJECT = "subject";
-    public static final String EXTRA_ENCRYPTION_KEY_IDS = "encryptionKeyIds";
-    public static final String EXTRA_SELECTION = "selection";
-    public static final String EXTRA_MESSAGE = "message";
-    public static final String EXTRA_PROGRESS = "progress";
-    public static final String EXTRA_MAX = "max";
-    public static final String EXTRA_ACCOUNT = "account";
-    public static final String EXTRA_ASCII_ARMOUR = "asciiArmour";
-    public static final String EXTRA_BINARY = "binary";
-
-    public static final String AUTHORITY = DataProvider.AUTHORITY;
-
-    public static final Uri CONTENT_URI_SECRET_KEY_RINGS =
-            Uri.parse("content://" + AUTHORITY + "/key_rings/secret/");
-    public static final Uri CONTENT_URI_SECRET_KEY_RING_BY_KEY_ID =
-            Uri.parse("content://" + AUTHORITY + "/key_rings/secret/key_id/");
-    public static final Uri CONTENT_URI_SECRET_KEY_RING_BY_EMAILS =
-            Uri.parse("content://" + AUTHORITY + "/key_rings/secret/emails/");
-
-    public static final Uri CONTENT_URI_PUBLIC_KEY_RINGS =
-            Uri.parse("content://" + AUTHORITY + "/key_rings/public/");
-    public static final Uri CONTENT_URI_PUBLIC_KEY_RING_BY_KEY_ID =
-            Uri.parse("content://" + AUTHORITY + "/key_rings/public/key_id/");
-    public static final Uri CONTENT_URI_PUBLIC_KEY_RING_BY_EMAILS =
-            Uri.parse("content://" + AUTHORITY + "/key_rings/public/emails/");
-
-    private static String VERSION = null;
-
-    private static final int[] PREFERRED_SYMMETRIC_ALGORITHMS =
-            new int[] {
-                    SymmetricKeyAlgorithmTags.AES_256,
-                    SymmetricKeyAlgorithmTags.AES_192,
-                    SymmetricKeyAlgorithmTags.AES_128,
-                    SymmetricKeyAlgorithmTags.CAST5,
-                    SymmetricKeyAlgorithmTags.TRIPLE_DES };
-    private static final int[] PREFERRED_HASH_ALGORITHMS =
-            new int[] {
-                    HashAlgorithmTags.SHA1,
-                    HashAlgorithmTags.SHA256,
-                    HashAlgorithmTags.RIPEMD160 };
-    private static final int[] PREFERRED_COMPRESSION_ALGORITHMS =
-            new int[] {
-                    CompressionAlgorithmTags.ZLIB,
-                    CompressionAlgorithmTags.BZIP2,
-                    CompressionAlgorithmTags.ZIP };
-
-    public static Pattern PGP_MESSAGE =
-            Pattern.compile(".*?(-----BEGIN PGP MESSAGE-----.*?-----END PGP MESSAGE-----).*",
-                            Pattern.DOTALL);
-
-    public static Pattern PGP_SIGNED_MESSAGE =
-            Pattern.compile(".*?(-----BEGIN PGP SIGNED MESSAGE-----.*?-----BEGIN PGP SIGNATURE-----.*?-----END PGP SIGNATURE-----).*",
-                            Pattern.DOTALL);
-
-    private static HashMap<Long, CachedPassPhrase> mPassPhraseCache =
-            new HashMap<Long, CachedPassPhrase>();
-    private static String mEditPassPhrase = null;
-
-    private static Database mDatabase = null;
-
-    public static class GeneralException extends Exception {
-        static final long serialVersionUID = 0xf812773342L;
-
-        public GeneralException(String message) {
-            super(message);
-        }
-    }
-
-    public static class NoAsymmetricEncryptionException extends Exception {
-        static final long serialVersionUID = 0xf812773343L;
-
-        public NoAsymmetricEncryptionException() {
-            super();
-        }
-    }
-
-    public static void initialize(Context context) {
-        if (mDatabase == null) {
-            mDatabase = new Database(context);
-        }
-    }
-
-    public static Database getDatabase() {
-        return mDatabase;
-    }
-
-    public static void setEditPassPhrase(String passPhrase) {
-        mEditPassPhrase = passPhrase;
-    }
-
-    public static String getEditPassPhrase() {
-        return mEditPassPhrase;
-    }
-
-    public static void setCachedPassPhrase(long keyId, String passPhrase) {
-        mPassPhraseCache.put(keyId, new CachedPassPhrase(new Date().getTime(), passPhrase));
-    }
-
-    public static String getCachedPassPhrase(long keyId) {
-        long realId = keyId;
-        if (realId != Id.key.symmetric) {
-            PGPSecretKeyRing keyRing = getSecretKeyRing(keyId);
-            if (keyRing == null) {
-                return null;
-            }
-            PGPSecretKey masterKey = getMasterKey(keyRing);
-            if (masterKey == null) {
-                return null;
-            }
-            realId = masterKey.getKeyID();
-        }
-        CachedPassPhrase cpp = mPassPhraseCache.get(realId);
-        if (cpp == null) {
-            return null;
-        }
-        // set it again to reset the cache life cycle
-        setCachedPassPhrase(realId, cpp.passPhrase);
-        return cpp.passPhrase;
-    }
-
-    public static int cleanUpCache(int ttl, int initialDelay) {
-        int delay = initialDelay;
-        long realTtl = ttl * 1000;
-        long now = new Date().getTime();
-        Vector<Long> oldKeys = new Vector<Long>();
-        for (Map.Entry<Long, CachedPassPhrase> pair : mPassPhraseCache.entrySet()) {
-            long lived = now - pair.getValue().timestamp;
-            if (lived >= realTtl) {
-                oldKeys.add(pair.getKey());
-            } else {
-                // see, whether the remaining time for this cache entry improves our
-                // check delay
-                long nextCheck = realTtl - lived + 1000;
-                if (nextCheck < delay) {
-                    delay = (int)nextCheck;
-                }
-            }
-        }
-
-        for (long keyId : oldKeys) {
-            mPassPhraseCache.remove(keyId);
-        }
-
-        return delay;
-    }
-
-    public static PGPSecretKey createKey(Context context,
-                                         int algorithmChoice, int keySize, String passPhrase,
-                                         PGPSecretKey masterKey)
-                  throws NoSuchAlgorithmException, PGPException, NoSuchProviderException,
-                  GeneralException, InvalidAlgorithmParameterException {
-
-        if (keySize < 512) {
-            throw new GeneralException(context.getString(R.string.error_keySizeMinimum512bit));
-        }
-
-        Security.addProvider(new BouncyCastleProvider());
-
-        if (passPhrase == null) {
-            passPhrase = "";
-        }
-
-        int algorithm = 0;
-        KeyPairGenerator keyGen = null;
-
-        switch (algorithmChoice) {
-            case Id.choice.algorithm.dsa: {
-                keyGen = KeyPairGenerator.getInstance("DSA", new BouncyCastleProvider());
-                keyGen.initialize(keySize, new SecureRandom());
-                algorithm = PGPPublicKey.DSA;
-                break;
-            }
-
-            case Id.choice.algorithm.elgamal: {
-                if (masterKey == null) {
-                    throw new GeneralException(context.getString(R.string.error_masterKeyMustNotBeElGamal));
-                }
-                keyGen = KeyPairGenerator.getInstance("ELGAMAL", new BouncyCastleProvider());
-                BigInteger p = Primes.getBestPrime(keySize);
-                BigInteger g = new BigInteger("2");
-
-                ElGamalParameterSpec elParams = new ElGamalParameterSpec(p, g);
-
-                keyGen.initialize(elParams);
-                algorithm = PGPPublicKey.ELGAMAL_ENCRYPT;
-                break;
-            }
-
-            case Id.choice.algorithm.rsa: {
-                keyGen = KeyPairGenerator.getInstance("RSA", new BouncyCastleProvider());
-                keyGen.initialize(keySize, new SecureRandom());
-
-                algorithm = PGPPublicKey.RSA_GENERAL;
-                break;
-            }
-
-            default: {
-                throw new GeneralException(context.getString(R.string.error_unknownAlgorithmChoice));
-            }
-        }
-
-        PGPKeyPair keyPair = new PGPKeyPair(algorithm, keyGen.generateKeyPair(), new Date());
-
-        PGPSecretKey secretKey = null;
-        if (masterKey == null) {
-            // enough for now, as we assemble the key again later anyway
-            secretKey = new PGPSecretKey(PGPSignature.DEFAULT_CERTIFICATION, keyPair, "",
-                                         PGPEncryptedData.CAST5, passPhrase.toCharArray(),
-                                         null, null,
-                                         new SecureRandom(), new BouncyCastleProvider().getName());
-
-        } else {
-            PGPPublicKey tmpKey = masterKey.getPublicKey();
-            PGPPublicKey masterPublicKey =
-                new PGPPublicKey(tmpKey.getAlgorithm(),
-                                 tmpKey.getKey(new BouncyCastleProvider()),
-                                 tmpKey.getCreationTime());
-            PGPPrivateKey masterPrivateKey =
-                masterKey.extractPrivateKey(passPhrase.toCharArray(),
-                                            new BouncyCastleProvider());
-
-            PGPKeyPair masterKeyPair = new PGPKeyPair(masterPublicKey, masterPrivateKey);
-            PGPKeyRingGenerator ringGen =
-                new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION,
-                                        masterKeyPair, "",
-                                        PGPEncryptedData.CAST5, passPhrase.toCharArray(),
-                                        null, null,
-                                        new SecureRandom(), new BouncyCastleProvider().getName());
-            ringGen.addSubKey(keyPair);
-            PGPSecretKeyRing secKeyRing = ringGen.generateSecretKeyRing();
-            Iterator it = secKeyRing.getSecretKeys();
-            // first one is the master key
-            it.next();
-            secretKey = (PGPSecretKey) it.next();
-        }
-
-        return secretKey;
-    }
-
-    private static long getNumDaysBetween(GregorianCalendar first, GregorianCalendar second) {
-        GregorianCalendar tmp = new GregorianCalendar();
-        tmp.setTime(first.getTime());
-        long numDays = (second.getTimeInMillis() - first.getTimeInMillis()) / 1000 / 86400;
-        tmp.add(Calendar.DAY_OF_MONTH, (int)numDays);
-        while (tmp.before(second)) {
-            tmp.add(Calendar.DAY_OF_MONTH, 1);
-            ++numDays;
-        }
-        return numDays;
-    }
-
-    public static void buildSecretKey(Activity context,
-                                      SectionView userIdsView, SectionView keysView,
-                                      String oldPassPhrase, String newPassPhrase,
-                                      ProgressDialogUpdater progress)
-            throws Apg.GeneralException, NoSuchProviderException, PGPException,
-            NoSuchAlgorithmException, SignatureException, IOException, Database.GeneralException {
-
-        progress.setProgress(R.string.progress_buildingKey, 0, 100);
-
-        Security.addProvider(new BouncyCastleProvider());
-
-        if (oldPassPhrase == null || oldPassPhrase.equals("")) {
-            oldPassPhrase = "";
-        }
-
-        if (newPassPhrase == null || newPassPhrase.equals("")) {
-            newPassPhrase = "";
-        }
-
-        Vector<String> userIds = new Vector<String>();
-        Vector<PGPSecretKey> keys = new Vector<PGPSecretKey>();
-
-        ViewGroup userIdEditors = userIdsView.getEditors();
-        ViewGroup keyEditors = keysView.getEditors();
-
-        boolean gotMainUserId = false;
-        for (int i = 0; i < userIdEditors.getChildCount(); ++i) {
-            UserIdEditor editor = (UserIdEditor)userIdEditors.getChildAt(i);
-            String userId = null;
-            try {
-                userId = editor.getValue();
-            } catch (UserIdEditor.NoNameException e) {
-                throw new Apg.GeneralException(context.getString(R.string.error_userIdNeedsAName));
-            } catch (UserIdEditor.NoEmailException e) {
-                throw new Apg.GeneralException(context.getString(R.string.error_userIdNeedsAnEmailAddress));
-            } catch (UserIdEditor.InvalidEmailException e) {
-                throw new Apg.GeneralException("" + e);
-            }
-
-            if (userId.equals("")) {
-                continue;
-            }
-
-            if (editor.isMainUserId()) {
-                userIds.insertElementAt(userId, 0);
-                gotMainUserId = true;
-            } else {
-                userIds.add(userId);
-            }
-        }
-
-        if (userIds.size() == 0) {
-            throw new Apg.GeneralException(context.getString(R.string.error_keyNeedsAUserId));
-        }
-
-        if (!gotMainUserId) {
-            throw new Apg.GeneralException(context.getString(R.string.error_mainUserIdMustNotBeEmpty));
-        }
-
-        if (keyEditors.getChildCount() == 0) {
-            throw new Apg.GeneralException(context.getString(R.string.error_keyNeedsMasterKey));
-        }
-
-        for (int i = 0; i < keyEditors.getChildCount(); ++i) {
-            KeyEditor editor = (KeyEditor)keyEditors.getChildAt(i);
-            keys.add(editor.getValue());
-        }
-
-        progress.setProgress(R.string.progress_preparingMasterKey, 10, 100);
-        KeyEditor keyEditor = (KeyEditor) keyEditors.getChildAt(0);
-        int usageId = keyEditor.getUsage();
-        boolean canSign = (usageId == Id.choice.usage.sign_only ||
-                           usageId == Id.choice.usage.sign_and_encrypt);
-        boolean canEncrypt = (usageId == Id.choice.usage.encrypt_only ||
-                              usageId == Id.choice.usage.sign_and_encrypt);
-
-        String mainUserId = userIds.get(0);
-
-        PGPSecretKey masterKey = keys.get(0);
-        PGPPublicKey tmpKey = masterKey.getPublicKey();
-        PGPPublicKey masterPublicKey =
-            new PGPPublicKey(tmpKey.getAlgorithm(),
-                             tmpKey.getKey(new BouncyCastleProvider()),
-                             tmpKey.getCreationTime());
-        PGPPrivateKey masterPrivateKey =
-            masterKey.extractPrivateKey(oldPassPhrase.toCharArray(),
-                                        new BouncyCastleProvider());
-
-        progress.setProgress(R.string.progress_certifyingMasterKey, 20, 100);
-        for (int i = 0; i < userIds.size(); ++i) {
-            String userId = userIds.get(i);
-
-            PGPSignatureGenerator sGen =
-                    new PGPSignatureGenerator(masterPublicKey.getAlgorithm(),
-                                              HashAlgorithmTags.SHA1, new BouncyCastleProvider());
-
-            sGen.initSign(PGPSignature.POSITIVE_CERTIFICATION, masterPrivateKey);
-
-            PGPSignature certification = sGen.generateCertification(userId, masterPublicKey);
-
-            masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, userId, certification);
-        }
-
-        // TODO: cross-certify the master key with every sub key
-
-        PGPKeyPair masterKeyPair = new PGPKeyPair(masterPublicKey, masterPrivateKey);
-
-        PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator();
-        PGPSignatureSubpacketGenerator unhashedPacketsGen = new PGPSignatureSubpacketGenerator();
-
-        int keyFlags = KeyFlags.CERTIFY_OTHER | KeyFlags.SIGN_DATA;
-        if (canEncrypt) {
-            keyFlags |= KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE;
-        }
-        hashedPacketsGen.setKeyFlags(true, keyFlags);
-
-        hashedPacketsGen.setPreferredSymmetricAlgorithms(true, PREFERRED_SYMMETRIC_ALGORITHMS);
-        hashedPacketsGen.setPreferredHashAlgorithms(true, PREFERRED_HASH_ALGORITHMS);
-        hashedPacketsGen.setPreferredCompressionAlgorithms(true, PREFERRED_COMPRESSION_ALGORITHMS);
-
-        // TODO: this doesn't work quite right yet
-        if (keyEditor.getExpiryDate() != null) {
-            GregorianCalendar creationDate = new GregorianCalendar();
-            creationDate.setTime(getCreationDate(masterKey));
-            GregorianCalendar expiryDate = keyEditor.getExpiryDate();
-            long numDays = getNumDaysBetween(creationDate, expiryDate);
-            if (numDays <= 0) {
-                throw new GeneralException(context.getString(R.string.error_expiryMustComeAfterCreation));
-            }
-            hashedPacketsGen.setKeyExpirationTime(true, numDays * 86400);
-        }
-
-        progress.setProgress(R.string.progress_buildingMasterKeyRing, 30, 100);
-        PGPKeyRingGenerator keyGen =
-                new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION,
-                                        masterKeyPair, mainUserId,
-                                        PGPEncryptedData.CAST5, newPassPhrase.toCharArray(),
-                                        hashedPacketsGen.generate(), unhashedPacketsGen.generate(),
-                                        new SecureRandom(), new BouncyCastleProvider().getName());
-
-        progress.setProgress(R.string.progress_addingSubKeys, 40, 100);
-        for (int i = 1; i < keys.size(); ++i) {
-            progress.setProgress(40 + 50 * (i - 1)/ (keys.size() - 1), 100);
-            PGPSecretKey subKey = keys.get(i);
-            keyEditor = (KeyEditor) keyEditors.getChildAt(i);
-            PGPPublicKey subPublicKey = subKey.getPublicKey();
-            PGPPrivateKey subPrivateKey =
-                    subKey.extractPrivateKey(oldPassPhrase.toCharArray(),
-                                             new BouncyCastleProvider());
-            PGPKeyPair subKeyPair =
-                new PGPKeyPair(subPublicKey.getAlgorithm(),
-                               subPublicKey.getKey(new BouncyCastleProvider()),
-                               subPrivateKey.getKey(),
-                               subPublicKey.getCreationTime());
-
-            hashedPacketsGen = new PGPSignatureSubpacketGenerator();
-            unhashedPacketsGen = new PGPSignatureSubpacketGenerator();
-
-            keyFlags = 0;
-            usageId = keyEditor.getUsage();
-            canSign = (usageId == Id.choice.usage.sign_only ||
-                       usageId == Id.choice.usage.sign_and_encrypt);
-            canEncrypt = (usageId == Id.choice.usage.encrypt_only ||
-                          usageId == Id.choice.usage.sign_and_encrypt);
-            if (canSign) {
-                keyFlags |= KeyFlags.SIGN_DATA;
-            }
-            if (canEncrypt) {
-                keyFlags |= KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE;
-            }
-            hashedPacketsGen.setKeyFlags(true, keyFlags);
-
-            // TODO: this doesn't work quite right yet
-            if (keyEditor.getExpiryDate() != null) {
-                GregorianCalendar creationDate = new GregorianCalendar();
-                creationDate.setTime(getCreationDate(masterKey));
-                GregorianCalendar expiryDate = keyEditor.getExpiryDate();
-                long numDays = getNumDaysBetween(creationDate, expiryDate);
-                if (numDays <= 0) {
-                    throw new GeneralException(context.getString(R.string.error_expiryMustComeAfterCreation));
-                }
-                hashedPacketsGen.setKeyExpirationTime(true, numDays * 86400);
-            }
-
-            keyGen.addSubKey(subKeyPair,
-                             hashedPacketsGen.generate(), unhashedPacketsGen.generate());
-        }
-
-        PGPSecretKeyRing secretKeyRing = keyGen.generateSecretKeyRing();
-        PGPPublicKeyRing publicKeyRing = keyGen.generatePublicKeyRing();
-
-        progress.setProgress(R.string.progress_savingKeyRing, 90, 100);
-        mDatabase.saveKeyRing(secretKeyRing);
-        mDatabase.saveKeyRing(publicKeyRing);
-
-        progress.setProgress(R.string.progress_done, 100, 100);
-    }
-
-    public static Bundle importKeyRings(Activity context, int type,
-                                        InputData data,
-                                        ProgressDialogUpdater progress)
-            throws GeneralException, FileNotFoundException, PGPException, IOException {
-        Bundle returnData = new Bundle();
-
-        if (type == Id.type.secret_key) {
-            progress.setProgress(R.string.progress_importingSecretKeys, 0, 100);
-        } else {
-            progress.setProgress(R.string.progress_importingPublicKeys, 0, 100);
-        }
-
-        if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
-            throw new GeneralException(context.getString(R.string.error_externalStorageNotReady));
-        }
-
-        PositionAwareInputStream progressIn = new PositionAwareInputStream(data.getInputStream());
-        // need to have access to the bufferedInput, so we can reuse it for the possible
-        // PGPObject chunks after the first one, e.g. files with several consecutive ASCII
-        // armour blocks
-        BufferedInputStream bufferedInput = new BufferedInputStream(progressIn);
-        int newKeys = 0;
-        int oldKeys = 0;
-        try {
-            while (true) {
-                InputStream in = PGPUtil.getDecoderStream(bufferedInput);
-                PGPObjectFactory objectFactory = new PGPObjectFactory(in);
-                Object obj = objectFactory.nextObject();
-                // if the first is already a null object, then we can stop trying
-                if (obj == null) {
-                    break;
-                }
-                while (obj != null) {
-                    PGPPublicKeyRing publicKeyRing;
-                    PGPSecretKeyRing secretKeyRing;
-                    // a return value that doesn't match any Id.return_value.* values, in case
-                    // saveKeyRing is never called
-                    int retValue = 2107;
-
-                    try {
-                        if (type == Id.type.secret_key && obj instanceof PGPSecretKeyRing) {
-                            secretKeyRing = (PGPSecretKeyRing) obj;
-                            retValue = mDatabase.saveKeyRing(secretKeyRing);
-                        } else if (type == Id.type.public_key && obj instanceof PGPPublicKeyRing) {
-                            publicKeyRing = (PGPPublicKeyRing) obj;
-                            retValue = mDatabase.saveKeyRing(publicKeyRing);
-                        }
-                    } catch (IOException e) {
-                        retValue = Id.return_value.error;
-                    } catch (Database.GeneralException e) {
-                        retValue = Id.return_value.error;
-                    }
-
-                    if (retValue == Id.return_value.error) {
-                        throw new GeneralException(context.getString(R.string.error_savingKeys));
-                    }
-
-                    if (retValue == Id.return_value.updated) {
-                        ++oldKeys;
-                    } else if (retValue == Id.return_value.ok) {
-                        ++newKeys;
-                    }
-                    progress.setProgress((int)(100 * progressIn.position() / data.getSize()), 100);
-                    obj = objectFactory.nextObject();
-                }
-            }
-        } catch (EOFException e) {
-            // nothing to do, we are done
-        }
-
-        returnData.putInt("added", newKeys);
-        returnData.putInt("updated", oldKeys);
-
-        progress.setProgress(R.string.progress_done, 100, 100);
-
-        return returnData;
-    }
-
-    public static Bundle exportKeyRings(Activity context, Vector<Integer> keyRingIds,
-                                        OutputStream outStream,
-                                        ProgressDialogUpdater progress)
-            throws GeneralException, FileNotFoundException, PGPException, IOException {
-        Bundle returnData = new Bundle();
-
-        if (keyRingIds.size() == 1) {
-            progress.setProgress(R.string.progress_exportingKey, 0, 100);
-        } else {
-            progress.setProgress(R.string.progress_exportingKeys, 0, 100);
-        }
-
-        if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
-            throw new GeneralException(context.getString(R.string.error_externalStorageNotReady));
-        }
-        ArmoredOutputStream out = new ArmoredOutputStream(outStream);
-
-        int numKeys = 0;
-        for (int i = 0; i < keyRingIds.size(); ++i) {
-            progress.setProgress(i * 100 / keyRingIds.size(), 100);
-            Object obj = mDatabase.getKeyRing(keyRingIds.get(i));
-            PGPPublicKeyRing publicKeyRing;
-            PGPSecretKeyRing secretKeyRing;
-
-            if (obj instanceof PGPSecretKeyRing) {
-                secretKeyRing = (PGPSecretKeyRing) obj;
-                secretKeyRing.encode(out);
-            } else if (obj instanceof PGPPublicKeyRing) {
-                publicKeyRing = (PGPPublicKeyRing) obj;
-                publicKeyRing.encode(out);
-            } else {
-                continue;
-            }
-            ++numKeys;
-        }
-        out.close();
-        returnData.putInt("exported", numKeys);
-
-        progress.setProgress(R.string.progress_done, 100, 100);
-
-        return returnData;
-    }
-
-    public static Date getCreationDate(PGPPublicKey key) {
-        return key.getCreationTime();
-    }
-
-    public static Date getCreationDate(PGPSecretKey key) {
-        return key.getPublicKey().getCreationTime();
-    }
-
-    public static PGPPublicKey getMasterKey(PGPPublicKeyRing keyRing) {
-        if (keyRing == null) {
-            return null;
-        }
-        for (PGPPublicKey key : new IterableIterator<PGPPublicKey>(keyRing.getPublicKeys())) {
-            if (key.isMasterKey()) {
-                return key;
-            }
-        }
-
-        return null;
-    }
-
-    public static PGPSecretKey getMasterKey(PGPSecretKeyRing keyRing) {
-        if (keyRing == null) {
-            return null;
-        }
-        for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
-            if (key.isMasterKey()) {
-                return key;
-            }
-        }
-
-        return null;
-    }
-
-    public static Vector<PGPPublicKey> getEncryptKeys(PGPPublicKeyRing keyRing) {
-        Vector<PGPPublicKey> encryptKeys = new Vector<PGPPublicKey>();
-
-        for (PGPPublicKey key : new IterableIterator<PGPPublicKey>(keyRing.getPublicKeys())) {
-            if (isEncryptionKey(key)) {
-                encryptKeys.add(key);
-            }
-        }
-
-        return encryptKeys;
-    }
-
-    public static Vector<PGPSecretKey> getSigningKeys(PGPSecretKeyRing keyRing) {
-        Vector<PGPSecretKey> signingKeys = new Vector<PGPSecretKey>();
-
-        for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
-            if (isSigningKey(key)) {
-                signingKeys.add(key);
-            }
-        }
-
-        return signingKeys;
-    }
-
-    public static Vector<PGPPublicKey> getUsableEncryptKeys(PGPPublicKeyRing keyRing) {
-        Vector<PGPPublicKey> usableKeys = new Vector<PGPPublicKey>();
-        Vector<PGPPublicKey> encryptKeys = getEncryptKeys(keyRing);
-        PGPPublicKey masterKey = null;
-        for (int i = 0; i < encryptKeys.size(); ++i) {
-            PGPPublicKey key = encryptKeys.get(i);
-            if (!isExpired(key)) {
-                if (key.isMasterKey()) {
-                    masterKey = key;
-                } else {
-                    usableKeys.add(key);
-                }
-            }
-        }
-        if (masterKey != null) {
-            usableKeys.add(masterKey);
-        }
-        return usableKeys;
-    }
-
-    public static boolean isExpired(PGPPublicKey key) {
-        Date creationDate = getCreationDate(key);
-        Date expiryDate = getExpiryDate(key);
-        Date now = new Date();
-        if (now.compareTo(creationDate) >= 0 &&
-            (expiryDate == null || now.compareTo(expiryDate) <= 0)) {
-            return false;
-        }
-        return true;
-    }
-
-    public static boolean isExpired(PGPSecretKey key) {
-        return isExpired(key.getPublicKey());
-    }
-
-    public static Vector<PGPSecretKey> getUsableSigningKeys(PGPSecretKeyRing keyRing) {
-        Vector<PGPSecretKey> usableKeys = new Vector<PGPSecretKey>();
-        Vector<PGPSecretKey> signingKeys = getSigningKeys(keyRing);
-        PGPSecretKey masterKey = null;
-        for (int i = 0; i < signingKeys.size(); ++i) {
-            PGPSecretKey key = signingKeys.get(i);
-            if (key.isMasterKey()) {
-                masterKey = key;
-            } else {
-                usableKeys.add(key);
-            }
-        }
-        if (masterKey != null) {
-            usableKeys.add(masterKey);
-        }
-        return usableKeys;
-    }
-
-    public static Date getExpiryDate(PGPPublicKey key) {
-        Date creationDate = getCreationDate(key);
-        if (key.getValidDays() == 0) {
-            // no expiry
-            return null;
-        }
-        Calendar calendar = GregorianCalendar.getInstance();
-        calendar.setTime(creationDate);
-        calendar.add(Calendar.DATE, key.getValidDays());
-        Date expiryDate = calendar.getTime();
-
-        return expiryDate;
-    }
-
-    public static Date getExpiryDate(PGPSecretKey key) {
-        return getExpiryDate(key.getPublicKey());
-    }
-
-    public static PGPPublicKey getEncryptPublicKey(long masterKeyId) {
-        PGPPublicKeyRing keyRing = getPublicKeyRing(masterKeyId);
-        if (keyRing == null) {
-            return null;
-        }
-        Vector<PGPPublicKey> encryptKeys = getUsableEncryptKeys(keyRing);
-        if (encryptKeys.size() == 0) {
-            return null;
-        }
-        return encryptKeys.get(0);
-    }
-
-    public static PGPSecretKey getSigningKey(long masterKeyId) {
-        PGPSecretKeyRing keyRing = getSecretKeyRing(masterKeyId);
-        if (keyRing == null) {
-            return null;
-        }
-        Vector<PGPSecretKey> signingKeys = getUsableSigningKeys(keyRing);
-        if (signingKeys.size() == 0) {
-            return null;
-        }
-        return signingKeys.get(0);
-    }
-
-    public static String getMainUserId(PGPPublicKey key) {
-        for (String userId : new IterableIterator<String>(key.getUserIDs())) {
-            return userId;
-        }
-        return null;
-    }
-
-    public static String getMainUserId(PGPSecretKey key) {
-        for (String userId : new IterableIterator<String>(key.getUserIDs())) {
-            return userId;
-        }
-        return null;
-    }
-
-    public static String getMainUserIdSafe(Context context, PGPPublicKey key) {
-        String userId = getMainUserId(key);
-        if (userId == null) {
-            userId = context.getResources().getString(R.string.unknownUserId);
-        }
-        return userId;
-    }
-
-    public static String getMainUserIdSafe(Context context, PGPSecretKey key) {
-        String userId = getMainUserId(key);
-        if (userId == null) {
-            userId = context.getResources().getString(R.string.unknownUserId);
-        }
-        return userId;
-    }
-
-    public static boolean isEncryptionKey(PGPPublicKey key) {
-        if (!key.isEncryptionKey()) {
-            return false;
-        }
-
-        if (key.getVersion() <= 3) {
-            // this must be true now
-            return key.isEncryptionKey();
-        }
-
-        // special cases
-        if (key.getAlgorithm() == PGPPublicKey.ELGAMAL_ENCRYPT) {
-            return true;
-        }
-
-        if (key.getAlgorithm() == PGPPublicKey.RSA_ENCRYPT) {
-            return true;
-        }
-
-        for (PGPSignature sig : new IterableIterator<PGPSignature>(key.getSignatures())) {
-            if (key.isMasterKey() && sig.getKeyID() != key.getKeyID()) {
-                continue;
-            }
-            PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
-
-            if (hashed != null &&(hashed.getKeyFlags() &
-                                  (KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE)) != 0) {
-                return true;
-            }
-
-            PGPSignatureSubpacketVector unhashed = sig.getUnhashedSubPackets();
-
-            if (unhashed != null &&(unhashed.getKeyFlags() &
-                                  (KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE)) != 0) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    public static boolean isEncryptionKey(PGPSecretKey key) {
-        return isEncryptionKey(key.getPublicKey());
-    }
-
-    public static boolean isSigningKey(PGPPublicKey key) {
-        if (key.getVersion() <= 3) {
-            return true;
-        }
-
-        // special case
-        if (key.getAlgorithm() == PGPPublicKey.RSA_SIGN) {
-            return true;
-        }
-
-        for (PGPSignature sig : new IterableIterator<PGPSignature>(key.getSignatures())) {
-            if (key.isMasterKey() && sig.getKeyID() != key.getKeyID()) {
-                continue;
-            }
-            PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
-
-            if (hashed != null && (hashed.getKeyFlags() & KeyFlags.SIGN_DATA) != 0) {
-                return true;
-            }
-
-            PGPSignatureSubpacketVector unhashed = sig.getUnhashedSubPackets();
-
-            if (unhashed != null && (unhashed.getKeyFlags() & KeyFlags.SIGN_DATA) != 0) {
-                return true;
-            }
-        }
-
-        return false;
-    }
-
-    public static boolean isSigningKey(PGPSecretKey key) {
-        return isSigningKey(key.getPublicKey());
-    }
-
-    public static String getAlgorithmInfo(PGPPublicKey key) {
-        return getAlgorithmInfo(key.getAlgorithm(), key.getBitStrength());
-    }
-
-    public static String getAlgorithmInfo(PGPSecretKey key) {
-        return getAlgorithmInfo(key.getPublicKey());
-    }
-
-    public static String getAlgorithmInfo(int algorithm, int keySize) {
-        String algorithmStr = null;
-
-        switch (algorithm) {
-            case PGPPublicKey.RSA_ENCRYPT:
-            case PGPPublicKey.RSA_GENERAL:
-            case PGPPublicKey.RSA_SIGN: {
-                algorithmStr = "RSA";
-                break;
-            }
-
-            case PGPPublicKey.DSA: {
-                algorithmStr = "DSA";
-                break;
-            }
-
-            case PGPPublicKey.ELGAMAL_ENCRYPT:
-            case PGPPublicKey.ELGAMAL_GENERAL: {
-                algorithmStr = "ElGamal";
-                break;
-            }
-
-            default: {
-                algorithmStr = "???";
-                break;
-            }
-        }
-        return algorithmStr + ", " + keySize + "bit";
-    }
-
-    public static void deleteKey(int keyRingId) {
-        mDatabase.deleteKeyRing(keyRingId);
-    }
-
-    public static Object getKeyRing(int keyRingId) {
-        return mDatabase.getKeyRing(keyRingId);
-    }
-
-    public static PGPSecretKeyRing getSecretKeyRing(long keyId) {
-        byte[] data = mDatabase.getKeyRingDataFromKeyId(Id.database.type_secret, keyId);
-        if (data == null) {
-            return null;
-        }
-        try {
-            return new PGPSecretKeyRing(data);
-        } catch (IOException e) {
-            // no good way to handle this, return null
-            // TODO: some info?
-        } catch (PGPException e) {
-            // no good way to handle this, return null
-            // TODO: some info?
-        }
-        return null;
-    }
-
-    public static PGPPublicKeyRing getPublicKeyRing(long keyId) {
-        byte[] data = mDatabase.getKeyRingDataFromKeyId(Id.database.type_public, keyId);
-        if (data == null) {
-            return null;
-        }
-        try {
-            return new PGPPublicKeyRing(data);
-        } catch (IOException e) {
-            // no good way to handle this, return null
-            // TODO: some info?
-        }
-        return null;
-    }
-
-    public static PGPSecretKey getSecretKey(long keyId) {
-        PGPSecretKeyRing keyRing = getSecretKeyRing(keyId);
-        if (keyRing == null) {
-            return null;
-        }
-        return keyRing.getSecretKey(keyId);
-    }
-
-    public static PGPPublicKey getPublicKey(long keyId) {
-        PGPPublicKeyRing keyRing = getPublicKeyRing(keyId);
-        if (keyRing == null) {
-            return null;
-        }
-        try {
-            return keyRing.getPublicKey(keyId);
-        } catch (PGPException e) {
-            return null;
-        }
-    }
-
-    public static Vector<Integer> getKeyRingIds(int type) {
-        SQLiteDatabase db = mDatabase.db();
-        Vector<Integer> keyIds = new Vector<Integer>();
-        Cursor c = db.query(KeyRings.TABLE_NAME,
-                            new String[] { KeyRings._ID },
-                            KeyRings.TYPE + " = ?", new String[] { "" + type },
-                            null, null, null);
-        if (c != null && c.moveToFirst()) {
-            do {
-                keyIds.add(c.getInt(0));
-            } while (c.moveToNext());
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        return keyIds;
-    }
-
-    public static String getMainUserId(long keyId, int type) {
-        SQLiteDatabase db = mDatabase.db();
-        Cursor c = db.query(Keys.TABLE_NAME + " INNER JOIN " + KeyRings.TABLE_NAME + " ON (" +
-                            KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
-                            Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + ") " +
-                            " INNER JOIN " + Keys.TABLE_NAME + " AS masterKey ON (" +
-                            KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
-                            "masterKey." + Keys.KEY_RING_ID + " AND " +
-                            "masterKey." + Keys.IS_MASTER_KEY + " = '1') " +
-                            " INNER JOIN " + UserIds.TABLE_NAME + " ON (" +
-                            UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " = " +
-                            "masterKey." + Keys._ID + " AND " +
-                            UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0')",
-                            new String[] { UserIds.USER_ID },
-                             Keys.TABLE_NAME + "." + Keys.KEY_ID + " = ? AND " +
-                             KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
-                             new String[] {
-                                 "" + keyId,
-                                 "" + type,
-                             },
-                             null, null, null);
-        String userId = "";
-        if (c != null && c.moveToFirst()) {
-            do {
-                userId = c.getString(0);
-            } while (c.moveToNext());
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        return userId;
-    }
-
-    public static void encrypt(Context context,
-                               InputData data, OutputStream outStream,
-                               boolean armored,
-                               long encryptionKeyIds[], long signatureKeyId,
-                               String signaturePassPhrase,
-                               ProgressDialogUpdater progress,
-                               int symmetricAlgorithm, int hashAlgorithm, int compression,
-                               String passPhrase)
-            throws IOException, GeneralException, PGPException, NoSuchProviderException,
-            NoSuchAlgorithmException, SignatureException {
-        Security.addProvider(new BouncyCastleProvider());
-
-        if (encryptionKeyIds == null) {
-            encryptionKeyIds = new long[0];
-        }
-
-        ArmoredOutputStream armorOut = null;
-        OutputStream out = null;
-        OutputStream encryptOut = null;
-        if (armored) {
-            armorOut = new ArmoredOutputStream(outStream);
-            armorOut.setHeader("Version", getFullVersion(context));
-            out = armorOut;
-        } else {
-            out = outStream;
-        }
-        PGPSecretKey signingKey = null;
-        PGPSecretKeyRing signingKeyRing = null;
-        PGPPrivateKey signaturePrivateKey = null;
-
-        if (encryptionKeyIds.length == 0 && passPhrase == null) {
-            throw new GeneralException(context.getString(R.string.error_noEncryptionKeysOrPassPhrase));
-        }
-
-        if (signatureKeyId != 0) {
-            signingKeyRing = getSecretKeyRing(signatureKeyId);
-            signingKey = getSigningKey(signatureKeyId);
-            if (signingKey == null) {
-                throw new GeneralException(context.getString(R.string.error_signatureFailed));
-            }
-
-            if (signaturePassPhrase == null) {
-                throw new GeneralException(context.getString(R.string.error_noSignaturePassPhrase));
-            }
-            progress.setProgress(R.string.progress_extractingSignatureKey, 0, 100);
-            signaturePrivateKey = signingKey.extractPrivateKey(signaturePassPhrase.toCharArray(),
-                                                               new BouncyCastleProvider());
-        }
-
-        PGPSignatureGenerator signatureGenerator = null;
-        progress.setProgress(R.string.progress_preparingStreams, 5, 100);
-        // encrypt and compress input file content
-        PGPEncryptedDataGenerator cPk =
-                new PGPEncryptedDataGenerator(symmetricAlgorithm, true, new SecureRandom(),
-                                              new BouncyCastleProvider());
-
-        if (encryptionKeyIds.length == 0) {
-            // symmetric encryption
-            cPk.addMethod(passPhrase.toCharArray());
-        }
-        for (int i = 0; i < encryptionKeyIds.length; ++i) {
-            PGPPublicKey key = getEncryptPublicKey(encryptionKeyIds[i]);
-            if (key != null) {
-                cPk.addMethod(key);
-            }
-        }
-        encryptOut = cPk.open(out, new byte[1 << 16]);
-
-        if (signatureKeyId != 0) {
-            progress.setProgress(R.string.progress_preparingSignature, 10, 100);
-            signatureGenerator =
-                    new PGPSignatureGenerator(signingKey.getPublicKey().getAlgorithm(),
-                                              hashAlgorithm,
-                                              new BouncyCastleProvider());
-            signatureGenerator.initSign(PGPSignature.BINARY_DOCUMENT, signaturePrivateKey);
-            String userId = getMainUserId(getMasterKey(signingKeyRing));
-
-            PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator();
-            spGen.setSignerUserID(false, userId);
-            signatureGenerator.setHashedSubpackets(spGen.generate());
-        }
-
-        PGPCompressedDataGenerator compressGen = null;
-        BCPGOutputStream bcpgOut = null;
-        if (compression == Id.choice.compression.none) {
-            bcpgOut = new BCPGOutputStream(encryptOut);
-        } else {
-            compressGen = new PGPCompressedDataGenerator(compression);
-            bcpgOut = new BCPGOutputStream(compressGen.open(encryptOut));
-        }
-        if (signatureKeyId != 0) {
-            signatureGenerator.generateOnePassVersion(false).encode(bcpgOut);
-        }
-
-        PGPLiteralDataGenerator literalGen = new PGPLiteralDataGenerator();
-        // file name not needed, so empty string
-        OutputStream pOut = literalGen.open(bcpgOut, PGPLiteralData.BINARY, "",
-                                            new Date(), new byte[1 << 16]);
-
-        progress.setProgress(R.string.progress_encrypting, 20, 100);
-        long done = 0;
-        int n = 0;
-        byte[] buffer = new byte[1 << 16];
-        InputStream in = data.getInputStream();
-        while ((n = in.read(buffer)) > 0) {
-            pOut.write(buffer, 0, n);
-            if (signatureKeyId != 0) {
-                signatureGenerator.update(buffer, 0, n);
-            }
-            done += n;
-            if (data.getSize() != 0) {
-                progress.setProgress((int) (20 + (95 - 20) * done / data.getSize()), 100);
-            }
-        }
-
-        literalGen.close();
-
-        if (signatureKeyId != 0) {
-            progress.setProgress(R.string.progress_generatingSignature, 95, 100);
-            signatureGenerator.generate().encode(pOut);
-        }
-        if (compressGen != null) {
-            compressGen.close();
-        }
-        encryptOut.close();
-        if (armored) {
-            armorOut.close();
-        }
-
-        progress.setProgress(R.string.progress_done, 100, 100);
-    }
-
-    public static void signText(Context context,
-                                InputData data, OutputStream outStream,
-                                long signatureKeyId, String signaturePassPhrase,
-                                int hashAlgorithm,
-                                ProgressDialogUpdater progress)
-            throws GeneralException, PGPException, IOException, NoSuchAlgorithmException,
-            SignatureException {
-        Security.addProvider(new BouncyCastleProvider());
-
-        ArmoredOutputStream armorOut = new ArmoredOutputStream(outStream);
-        armorOut.setHeader("Version", getFullVersion(context));
-
-        PGPSecretKey signingKey = null;
-        PGPSecretKeyRing signingKeyRing = null;
-        PGPPrivateKey signaturePrivateKey = null;
-
-        if (signatureKeyId == 0) {
-            throw new GeneralException(context.getString(R.string.error_noSignatureKey));
-        }
-
-        signingKeyRing = getSecretKeyRing(signatureKeyId);
-        signingKey = getSigningKey(signatureKeyId);
-        if (signingKey == null) {
-            throw new GeneralException(context.getString(R.string.error_signatureFailed));
-        }
-
-        if (signaturePassPhrase == null) {
-            throw new GeneralException(context.getString(R.string.error_noSignaturePassPhrase));
-        }
-        signaturePrivateKey =
-                signingKey.extractPrivateKey(signaturePassPhrase.toCharArray(),
-                                             new BouncyCastleProvider());
-
-        PGPSignatureGenerator signatureGenerator = null;
-        progress.setProgress(R.string.progress_preparingStreams, 0, 100);
-
-        progress.setProgress(R.string.progress_preparingSignature, 30, 100);
-        signatureGenerator =
-                new PGPSignatureGenerator(signingKey.getPublicKey().getAlgorithm(),
-                                          hashAlgorithm,
-                                          new BouncyCastleProvider());
-        signatureGenerator.initSign(PGPSignature.CANONICAL_TEXT_DOCUMENT, signaturePrivateKey);
-        String userId = getMainUserId(getMasterKey(signingKeyRing));
-
-        PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator();
-        spGen.setSignerUserID(false, userId);
-        signatureGenerator.setHashedSubpackets(spGen.generate());
-
-        progress.setProgress(R.string.progress_signing, 40, 100);
-
-        armorOut.beginClearText(hashAlgorithm);
-
-        ByteArrayOutputStream lineOut = new ByteArrayOutputStream();
-        InputStream inStream = data.getInputStream();
-        int lookAhead = readInputLine(lineOut, inStream);
-
-        processLine(armorOut, signatureGenerator, lineOut.toByteArray());
-
-        if (lookAhead != -1) {
-            do {
-                lookAhead = readInputLine(lineOut, lookAhead, inStream);
-
-                signatureGenerator.update((byte)'\r');
-                signatureGenerator.update((byte)'\n');
-
-                processLine(armorOut, signatureGenerator, lineOut.toByteArray());
-            }
-            while (lookAhead != -1);
-        }
-
-        armorOut.endClearText();
-
-        BCPGOutputStream bOut = new BCPGOutputStream(armorOut);
-        signatureGenerator.generate().encode(bOut);
-        armorOut.close();
-
-        progress.setProgress(R.string.progress_done, 100, 100);
-    }
-
-    public static long getDecryptionKeyId(Context context, InputData data)
-            throws GeneralException, NoAsymmetricEncryptionException, IOException {
-        InputStream in = PGPUtil.getDecoderStream(data.getInputStream());
-        PGPObjectFactory pgpF = new PGPObjectFactory(in);
-        PGPEncryptedDataList enc;
-        Object o = pgpF.nextObject();
-
-        // the first object might be a PGP marker packet.
-        if (o instanceof PGPEncryptedDataList) {
-            enc = (PGPEncryptedDataList) o;
-        } else {
-            enc = (PGPEncryptedDataList) pgpF.nextObject();
-        }
-
-        if (enc == null) {
-            throw new GeneralException(context.getString(R.string.error_invalidData));
-        }
-
-        // TODO: currently we always only look at the first known key
-        // find the secret key
-        PGPSecretKey secretKey = null;
-        Iterator it = enc.getEncryptedDataObjects();
-        boolean gotAsymmetricEncryption = false;
-        while (it.hasNext()) {
-            Object obj = it.next();
-            if (obj instanceof PGPPublicKeyEncryptedData) {
-                gotAsymmetricEncryption = true;
-                PGPPublicKeyEncryptedData pbe = (PGPPublicKeyEncryptedData) obj;
-                secretKey = getSecretKey(pbe.getKeyID());
-                if (secretKey != null) {
-                    break;
-                }
-            }
-        }
-
-        if (!gotAsymmetricEncryption) {
-            throw new NoAsymmetricEncryptionException();
-        }
-
-        if (secretKey == null) {
-            return Id.key.none;
-        }
-
-        return secretKey.getKeyID();
-    }
-
-    public static boolean hasSymmetricEncryption(Context context, InputData data)
-            throws GeneralException, IOException {
-        InputStream in = PGPUtil.getDecoderStream(data.getInputStream());
-        PGPObjectFactory pgpF = new PGPObjectFactory(in);
-        PGPEncryptedDataList enc;
-        Object o = pgpF.nextObject();
-
-        // the first object might be a PGP marker packet.
-        if (o instanceof PGPEncryptedDataList) {
-            enc = (PGPEncryptedDataList) o;
-        } else {
-            enc = (PGPEncryptedDataList) pgpF.nextObject();
-        }
-
-        if (enc == null) {
-            throw new GeneralException(context.getString(R.string.error_invalidData));
-        }
-
-        Iterator it = enc.getEncryptedDataObjects();
-        while (it.hasNext()) {
-            Object obj = it.next();
-            if (obj instanceof PGPPBEEncryptedData) {
-                return true;
-            }
-        }
-
-        return false;
-    }
-
-    public static Bundle decrypt(Context context,
-                                 InputData data, OutputStream outStream,
-                                 String passPhrase, ProgressDialogUpdater progress,
-                                 boolean assumeSymmetric)
-            throws IOException, GeneralException, PGPException, SignatureException {
-        if (passPhrase == null) {
-            passPhrase = "";
-        }
-        Bundle returnData = new Bundle();
-        InputStream in = PGPUtil.getDecoderStream(data.getInputStream());
-        PGPObjectFactory pgpF = new PGPObjectFactory(in);
-        PGPEncryptedDataList enc;
-        Object o = pgpF.nextObject();
-        long signatureKeyId = 0;
-
-        int currentProgress = 0;
-        progress.setProgress(R.string.progress_readingData, currentProgress, 100);
-
-        if (o instanceof PGPEncryptedDataList) {
-            enc = (PGPEncryptedDataList) o;
-        } else {
-            enc = (PGPEncryptedDataList) pgpF.nextObject();
-        }
-
-        if (enc == null) {
-            throw new GeneralException(context.getString(R.string.error_invalidData));
-        }
-
-        InputStream clear = null;
-        PGPEncryptedData encryptedData = null;
-
-        currentProgress += 5;
-
-        // TODO: currently we always only look at the first known key or symmetric encryption,
-        // there might be more...
-        if (assumeSymmetric) {
-            PGPPBEEncryptedData pbe = null;
-            Iterator it = enc.getEncryptedDataObjects();
-            // find secret key
-            while (it.hasNext()) {
-                Object obj = it.next();
-                if (obj instanceof PGPPBEEncryptedData) {
-                    pbe = (PGPPBEEncryptedData) obj;
-                    break;
-                }
-            }
-
-            if (pbe == null) {
-                throw new GeneralException(context.getString(R.string.error_noSymmetricEncryptionPacket));
-            }
-
-            progress.setProgress(R.string.progress_preparingStreams, currentProgress, 100);
-            clear = pbe.getDataStream(passPhrase.toCharArray(), new BouncyCastleProvider());
-            encryptedData = pbe;
-            currentProgress += 5;
-        } else {
-            progress.setProgress(R.string.progress_findingKey, currentProgress, 100);
-            PGPPublicKeyEncryptedData pbe = null;
-            PGPSecretKey secretKey = null;
-            Iterator it = enc.getEncryptedDataObjects();
-            // find secret key
-            while (it.hasNext()) {
-                Object obj = it.next();
-                if (obj instanceof PGPPublicKeyEncryptedData) {
-                    PGPPublicKeyEncryptedData encData = (PGPPublicKeyEncryptedData) obj;
-                    secretKey = getSecretKey(encData.getKeyID());
-                    if (secretKey != null) {
-                        pbe = encData;
-                        break;
-                    }
-                }
-            }
-
-            if (secretKey == null) {
-                throw new GeneralException(context.getString(R.string.error_noSecretKeyFound));
-            }
-
-            currentProgress += 5;
-            progress.setProgress(R.string.progress_extractingKey, currentProgress, 100);
-            PGPPrivateKey privateKey = null;
-            try {
-                privateKey = secretKey.extractPrivateKey(passPhrase.toCharArray(),
-                                                         new BouncyCastleProvider());
-            } catch (PGPException e) {
-                throw new PGPException(context.getString(R.string.error_wrongPassPhrase));
-            }
-            currentProgress += 5;
-            progress.setProgress(R.string.progress_preparingStreams, currentProgress, 100);
-            clear = pbe.getDataStream(privateKey, new BouncyCastleProvider());
-            encryptedData = pbe;
-            currentProgress += 5;
-        }
-
-        PGPObjectFactory plainFact = new PGPObjectFactory(clear);
-        Object dataChunk = plainFact.nextObject();
-        PGPOnePassSignature signature = null;
-        PGPPublicKey signatureKey = null;
-        int signatureIndex = -1;
-
-        if (dataChunk instanceof PGPCompressedData) {
-            progress.setProgress(R.string.progress_decompressingData, currentProgress, 100);
-            PGPObjectFactory fact =
-                    new PGPObjectFactory(((PGPCompressedData) dataChunk).getDataStream());
-            dataChunk = fact.nextObject();
-            plainFact = fact;
-            currentProgress += 10;
-        }
-
-        if (dataChunk instanceof PGPOnePassSignatureList) {
-            progress.setProgress(R.string.progress_processingSignature, currentProgress, 100);
-            returnData.putBoolean(EXTRA_SIGNATURE, true);
-            PGPOnePassSignatureList sigList = (PGPOnePassSignatureList) dataChunk;
-            for (int i = 0; i < sigList.size(); ++i) {
-                signature = sigList.get(i);
-                signatureKey = getPublicKey(signature.getKeyID());
-                if (signatureKeyId == 0) {
-                    signatureKeyId = signature.getKeyID();
-                }
-                if (signatureKey == null) {
-                    signature = null;
-                } else {
-                    signatureIndex = i;
-                    signatureKeyId = signature.getKeyID();
-                    String userId = null;
-                    PGPPublicKeyRing sigKeyRing = getPublicKeyRing(signatureKeyId);
-                    if (sigKeyRing != null) {
-                        userId = getMainUserId(getMasterKey(sigKeyRing));
-                    }
-                    returnData.putString(EXTRA_SIGNATURE_USER_ID, userId);
-                    break;
-                }
-            }
-
-            returnData.putLong(EXTRA_SIGNATURE_KEY_ID, signatureKeyId);
-
-            if (signature != null) {
-                signature.initVerify(signatureKey, new BouncyCastleProvider());
-            } else {
-                returnData.putBoolean(EXTRA_SIGNATURE_UNKNOWN, true);
-            }
-
-            dataChunk = plainFact.nextObject();
-            currentProgress += 10;
-        }
-
-        if (dataChunk instanceof PGPLiteralData) {
-            progress.setProgress(R.string.progress_decrypting, currentProgress, 100);
-            PGPLiteralData literalData = (PGPLiteralData) dataChunk;
-            OutputStream out = outStream;
-
-            byte[] buffer = new byte[1 << 16];
-            InputStream dataIn = literalData.getInputStream();
-
-            int startProgress = currentProgress;
-            int endProgress = 100;
-            if (signature != null) {
-                endProgress = 90;
-            } else if (encryptedData.isIntegrityProtected()) {
-                endProgress = 95;
-            }
-            int n = 0;
-            int done = 0;
-            long startPos = data.getStreamPosition();
-            while ((n = dataIn.read(buffer)) > 0) {
-                out.write(buffer, 0, n);
-                done += n;
-                if (signature != null) {
-                    try {
-                        signature.update(buffer, 0, n);
-                    } catch (SignatureException e) {
-                        returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, false);
-                        signature = null;
-                    }
-                }
-                // unknown size, but try to at least have a moving, slowing down progress bar
-                currentProgress = startProgress + (endProgress - startProgress) * done / (done + 100000);
-                if (data.getSize() - startPos == 0) {
-                    currentProgress = endProgress;
-                } else {
-                    currentProgress = (int)(startProgress + (endProgress - startProgress) *
-                                        (data.getStreamPosition() - startPos) / (data.getSize() - startPos));
-                }
-                progress.setProgress(currentProgress, 100);
-            }
-
-            if (signature != null) {
-                progress.setProgress(R.string.progress_verifyingSignature, 90, 100);
-                PGPSignatureList signatureList = (PGPSignatureList) plainFact.nextObject();
-                PGPSignature messageSignature = (PGPSignature) signatureList.get(signatureIndex);
-                if (signature.verify(messageSignature)) {
-                    returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, true);
-                } else {
-                    returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, false);
-                }
-            }
-        }
-
-        // TODO: add integrity somewhere
-        if (encryptedData.isIntegrityProtected()) {
-            progress.setProgress(R.string.progress_verifyingIntegrity, 95, 100);
-            if (encryptedData.verify()) {
-                // passed
-            } else {
-                // failed
-            }
-        } else {
-            // no integrity check
-        }
-
-        progress.setProgress(R.string.progress_done, 100, 100);
-        return returnData;
-    }
-
-    public static Bundle verifyText(Context context,
-                                    InputData data, OutputStream outStream,
-                                    ProgressDialogUpdater progress)
-            throws IOException, GeneralException, PGPException, SignatureException {
-        Bundle returnData = new Bundle();
-
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        ArmoredInputStream aIn = new ArmoredInputStream(data.getInputStream());
-
-        progress.setProgress(R.string.progress_done, 0, 100);
-
-        // mostly taken from ClearSignedFileProcessor
-        ByteArrayOutputStream lineOut = new ByteArrayOutputStream();
-        int lookAhead = readInputLine(lineOut, aIn);
-        byte[] lineSep = getLineSeparator();
-
-        byte[] line = lineOut.toByteArray();
-        out.write(line, 0, getLengthWithoutSeparator(line));
-        out.write(lineSep);
-
-        while (lookAhead != -1 && aIn.isClearText()) {
-            lookAhead = readInputLine(lineOut, lookAhead, aIn);
-            line = lineOut.toByteArray();
-            out.write(line, 0, getLengthWithoutSeparator(line));
-            out.write(lineSep);
-        }
-
-        out.close();
-
-        byte[] clearText = out.toByteArray();
-        outStream.write(clearText);
-
-        returnData.putBoolean(EXTRA_SIGNATURE, true);
-
-        progress.setProgress(R.string.progress_processingSignature, 60, 100);
-        PGPObjectFactory pgpFact = new PGPObjectFactory(aIn);
-
-        PGPSignatureList sigList = (PGPSignatureList) pgpFact.nextObject();
-        if (sigList == null) {
-            throw new GeneralException(context.getString(R.string.error_corruptData));
-        }
-        PGPSignature signature = null;
-        long signatureKeyId = 0;
-        PGPPublicKey signatureKey = null;
-        for (int i = 0; i < sigList.size(); ++i) {
-            signature = sigList.get(i);
-            signatureKey = getPublicKey(signature.getKeyID());
-            if (signatureKeyId == 0) {
-                signatureKeyId = signature.getKeyID();
-            }
-            if (signatureKey == null) {
-                signature = null;
-            } else {
-                signatureKeyId = signature.getKeyID();
-                String userId = null;
-                PGPPublicKeyRing sigKeyRing = getPublicKeyRing(signatureKeyId);
-                if (sigKeyRing != null) {
-                    userId = getMainUserId(getMasterKey(sigKeyRing));
-                }
-                returnData.putString(EXTRA_SIGNATURE_USER_ID, userId);
-                break;
-            }
-        }
-
-        returnData.putLong(EXTRA_SIGNATURE_KEY_ID, signatureKeyId);
-
-        if (signature == null) {
-            returnData.putBoolean(EXTRA_SIGNATURE_UNKNOWN, true);
-            progress.setProgress(R.string.progress_done, 100, 100);
-            return returnData;
-        }
-
-        signature.initVerify(signatureKey, new BouncyCastleProvider());
-
-        InputStream sigIn = new BufferedInputStream(new ByteArrayInputStream(clearText));
-
-        lookAhead = readInputLine(lineOut, sigIn);
-
-        processLine(signature, lineOut.toByteArray());
-
-        if (lookAhead != -1) {
-            do {
-                lookAhead = readInputLine(lineOut, lookAhead, sigIn);
-
-                signature.update((byte)'\r');
-                signature.update((byte)'\n');
-
-                processLine(signature, lineOut.toByteArray());
-            }
-            while (lookAhead != -1);
-        }
-
-        returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, signature.verify());
-
-        progress.setProgress(R.string.progress_done, 100, 100);
-        return returnData;
-    }
-
-    public static int getStreamContent(Context context, InputStream inStream)
-            throws IOException {
-        InputStream in = PGPUtil.getDecoderStream(inStream);
-        PGPObjectFactory pgpF = new PGPObjectFactory(in);
-        Object object = pgpF.nextObject();
-        while (object != null) {
-            if (object instanceof PGPPublicKeyRing ||
-                object instanceof PGPSecretKeyRing) {
-                return Id.content.keys;
-            } else if (object instanceof PGPEncryptedDataList) {
-                return Id.content.encrypted_data;
-            }
-            object = pgpF.nextObject();
-        }
-
-        return Id.content.unknown;
-    }
-
-    // taken from ClearSignedFileProcessor in BC
-    private static int readInputLine(ByteArrayOutputStream bOut, InputStream fIn)
-        throws IOException {
-        bOut.reset();
-
-        int lookAhead = -1;
-        int ch;
-
-        while ((ch = fIn.read()) >= 0) {
-            bOut.write(ch);
-            if (ch == '\r' || ch == '\n') {
-                lookAhead = readPassedEOL(bOut, ch, fIn);
-                break;
-            }
-        }
-
-        return lookAhead;
-    }
-
-    private static int readInputLine(ByteArrayOutputStream bOut, int lookAhead, InputStream fIn)
-        throws IOException {
-        bOut.reset();
-
-        int ch = lookAhead;
-
-        do {
-            bOut.write(ch);
-            if (ch == '\r' || ch == '\n') {
-                lookAhead = readPassedEOL(bOut, ch, fIn);
-                break;
-            }
-        }
-        while ((ch = fIn.read()) >= 0);
-
-        if (ch < 0) {
-            lookAhead = -1;
-        }
-
-        return lookAhead;
-    }
-
-    private static int readPassedEOL(ByteArrayOutputStream bOut, int lastCh, InputStream fIn)
-        throws IOException {
-        int lookAhead = fIn.read();
-
-        if (lastCh == '\r' && lookAhead == '\n') {
-            bOut.write(lookAhead);
-            lookAhead = fIn.read();
-        }
-
-        return lookAhead;
-    }
-
-    private static void processLine(PGPSignature sig, byte[] line)
-        throws SignatureException, IOException {
-        int length = getLengthWithoutWhiteSpace(line);
-        if (length > 0) {
-            sig.update(line, 0, length);
-        }
-    }
-
-    private static void processLine(OutputStream aOut, PGPSignatureGenerator sGen, byte[] line)
-        throws SignatureException, IOException {
-        int length = getLengthWithoutWhiteSpace(line);
-        if (length > 0) {
-            sGen.update(line, 0, length);
-        }
-
-        aOut.write(line, 0, line.length);
-    }
-
-    private static int getLengthWithoutSeparator(byte[] line) {
-        int end = line.length - 1;
-
-        while (end >= 0 && isLineEnding(line[end])) {
-            end--;
-        }
-
-        return end + 1;
-    }
-
-    private static boolean isLineEnding(byte b) {
-        return b == '\r' || b == '\n';
-    }
-
-    private static int getLengthWithoutWhiteSpace(byte[] line) {
-        int end = line.length - 1;
-
-        while (end >= 0 && isWhiteSpace(line[end])) {
-            end--;
-        }
-
-        return end + 1;
-    }
-
-    private static boolean isWhiteSpace(byte b) {
-        return b == '\r' || b == '\n' || b == '\t' || b == ' ';
-    }
-
-    private static byte[] getLineSeparator() {
-        String nl = System.getProperty("line.separator");
-        byte[] nlBytes = new byte[nl.length()];
-
-        for (int i = 0; i != nlBytes.length; i++) {
-            nlBytes[i] = (byte)nl.charAt(i);
-        }
-
-        return nlBytes;
-    }
-
-    public static String getVersion(Context context) {
-        if (VERSION != null) {
-            return VERSION;
-        }
-        try {
-            PackageInfo pi = context.getPackageManager().getPackageInfo(mApgPackageName, 0);
-            VERSION = pi.versionName;
-            return VERSION;
-        } catch (NameNotFoundException e) {
-            // unpossible!
-            return "0.0.0";
-        }
-    }
-
-    public static String getFullVersion(Context context) {
-        return "APG v" + getVersion(context);
-    }
-
-    public static String generateRandomString(int length) {
-        SecureRandom random = new SecureRandom();
-        /*
-        try {
-            random = SecureRandom.getInstance("SHA1PRNG", new BouncyCastleProvider());
-        } catch (NoSuchAlgorithmException e) {
-            // TODO: need to handle this case somehow
-            return null;
-        }*/
-        byte bytes[] = new byte[length];
-        random.nextBytes(bytes);
-        String result = "";
-        for (int i = 0; i < length; ++i) {
-            int v = ((int)bytes[i] + 256) % 64;
-            if (v < 10) {
-                result += (char)((int)'0' + v);
-            } else if (v < 36) {
-                result += (char)((int)'A' + v - 10);
-            } else if (v < 62) {
-                result += (char)((int)'a' + v - 36);
-            } else if (v == 62) {
-                result += '_';
-            } else if (v == 63) {
-                result += '.';
-            }
-        }
-        return result;
-    }
-
-    static long getLengthOfStream(InputStream in) throws IOException {
-        long size = 0;
-        long n = 0;
-        byte dummy[] = new byte[0x10000];
-        while ((n = in.read(dummy)) > 0) {
-            size += n;
-        }
-        return size;
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.EOFException;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.math.BigInteger;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.KeyPairGenerator;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.SecureRandom;
+import java.security.Security;
+import java.security.SignatureException;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Vector;
+import java.util.regex.Pattern;
+
+import org.bouncycastle2.bcpg.ArmoredInputStream;
+import org.bouncycastle2.bcpg.ArmoredOutputStream;
+import org.bouncycastle2.bcpg.BCPGOutputStream;
+import org.bouncycastle2.bcpg.CompressionAlgorithmTags;
+import org.bouncycastle2.bcpg.HashAlgorithmTags;
+import org.bouncycastle2.bcpg.SymmetricKeyAlgorithmTags;
+import org.bouncycastle2.bcpg.sig.KeyFlags;
+import org.bouncycastle2.jce.provider.BouncyCastleProvider;
+import org.bouncycastle2.jce.spec.ElGamalParameterSpec;
+import org.bouncycastle2.openpgp.PGPCompressedData;
+import org.bouncycastle2.openpgp.PGPCompressedDataGenerator;
+import org.bouncycastle2.openpgp.PGPEncryptedData;
+import org.bouncycastle2.openpgp.PGPEncryptedDataGenerator;
+import org.bouncycastle2.openpgp.PGPEncryptedDataList;
+import org.bouncycastle2.openpgp.PGPException;
+import org.bouncycastle2.openpgp.PGPKeyPair;
+import org.bouncycastle2.openpgp.PGPKeyRingGenerator;
+import org.bouncycastle2.openpgp.PGPLiteralData;
+import org.bouncycastle2.openpgp.PGPLiteralDataGenerator;
+import org.bouncycastle2.openpgp.PGPObjectFactory;
+import org.bouncycastle2.openpgp.PGPOnePassSignature;
+import org.bouncycastle2.openpgp.PGPOnePassSignatureList;
+import org.bouncycastle2.openpgp.PGPPBEEncryptedData;
+import org.bouncycastle2.openpgp.PGPPrivateKey;
+import org.bouncycastle2.openpgp.PGPPublicKey;
+import org.bouncycastle2.openpgp.PGPPublicKeyEncryptedData;
+import org.bouncycastle2.openpgp.PGPPublicKeyRing;
+import org.bouncycastle2.openpgp.PGPSecretKey;
+import org.bouncycastle2.openpgp.PGPSecretKeyRing;
+import org.bouncycastle2.openpgp.PGPSignature;
+import org.bouncycastle2.openpgp.PGPSignatureGenerator;
+import org.bouncycastle2.openpgp.PGPSignatureList;
+import org.bouncycastle2.openpgp.PGPSignatureSubpacketGenerator;
+import org.bouncycastle2.openpgp.PGPSignatureSubpacketVector;
+import org.bouncycastle2.openpgp.PGPUtil;
+import org.thialfihar.android.apg.provider.DataProvider;
+import org.thialfihar.android.apg.provider.Database;
+import org.thialfihar.android.apg.provider.KeyRings;
+import org.thialfihar.android.apg.provider.Keys;
+import org.thialfihar.android.apg.provider.UserIds;
+import org.thialfihar.android.apg.ui.widget.KeyEditor;
+import org.thialfihar.android.apg.ui.widget.SectionView;
+import org.thialfihar.android.apg.ui.widget.UserIdEditor;
+import org.thialfihar.android.apg.utils.IterableIterator;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.view.ViewGroup;
+
+public class Apg {
+    private static final String mApgPackageName = "org.thialfihar.android.apg";
+
+    public static class Intent {
+        public static final String DECRYPT = "org.thialfihar.android.apg.intent.DECRYPT";
+        public static final String ENCRYPT = "org.thialfihar.android.apg.intent.ENCRYPT";
+        public static final String DECRYPT_FILE = "org.thialfihar.android.apg.intent.DECRYPT_FILE";
+        public static final String ENCRYPT_FILE = "org.thialfihar.android.apg.intent.ENCRYPT_FILE";
+        public static final String DECRYPT_AND_RETURN = "org.thialfihar.android.apg.intent.DECRYPT_AND_RETURN";
+        public static final String ENCRYPT_AND_RETURN = "org.thialfihar.android.apg.intent.ENCRYPT_AND_RETURN";
+        public static final String SELECT_PUBLIC_KEYS = "org.thialfihar.android.apg.intent.SELECT_PUBLIC_KEYS";
+        public static final String SELECT_SECRET_KEY = "org.thialfihar.android.apg.intent.SELECT_SECRET_KEY";
+        public static final String IMPORT = "org.thialfihar.android.apg.intent.IMPORT";
+    }
+
+    public static final String EXTRA_TEXT = "text";
+    public static final String EXTRA_DATA = "data";
+    public static final String EXTRA_STATUS = "status";
+    public static final String EXTRA_ERROR = "error";
+    public static final String EXTRA_DECRYPTED_MESSAGE = "decryptedMessage";
+    public static final String EXTRA_DECRYPTED_DATA = "decryptedData";
+    public static final String EXTRA_ENCRYPTED_MESSAGE = "encryptedMessage";
+    public static final String EXTRA_ENCRYPTED_DATA = "encryptedData";
+    public static final String EXTRA_RESULT_URI = "resultUri";
+    public static final String EXTRA_SIGNATURE = "signature";
+    public static final String EXTRA_SIGNATURE_KEY_ID = "signatureKeyId";
+    public static final String EXTRA_SIGNATURE_USER_ID = "signatureUserId";
+    public static final String EXTRA_SIGNATURE_SUCCESS = "signatureSuccess";
+    public static final String EXTRA_SIGNATURE_UNKNOWN = "signatureUnknown";
+    public static final String EXTRA_USER_ID = "userId";
+    public static final String EXTRA_KEY_ID = "keyId";
+    public static final String EXTRA_REPLY_TO = "replyTo";
+    public static final String EXTRA_SEND_TO = "sendTo";
+    public static final String EXTRA_SUBJECT = "subject";
+    public static final String EXTRA_ENCRYPTION_KEY_IDS = "encryptionKeyIds";
+    public static final String EXTRA_SELECTION = "selection";
+    public static final String EXTRA_MESSAGE = "message";
+    public static final String EXTRA_PROGRESS = "progress";
+    public static final String EXTRA_MAX = "max";
+    public static final String EXTRA_ACCOUNT = "account";
+    public static final String EXTRA_ASCII_ARMOUR = "asciiArmour";
+    public static final String EXTRA_BINARY = "binary";
+
+    public static final String AUTHORITY = DataProvider.AUTHORITY;
+
+    public static final Uri CONTENT_URI_SECRET_KEY_RINGS =
+            Uri.parse("content://" + AUTHORITY + "/key_rings/secret/");
+    public static final Uri CONTENT_URI_SECRET_KEY_RING_BY_KEY_ID =
+            Uri.parse("content://" + AUTHORITY + "/key_rings/secret/key_id/");
+    public static final Uri CONTENT_URI_SECRET_KEY_RING_BY_EMAILS =
+            Uri.parse("content://" + AUTHORITY + "/key_rings/secret/emails/");
+
+    public static final Uri CONTENT_URI_PUBLIC_KEY_RINGS =
+            Uri.parse("content://" + AUTHORITY + "/key_rings/public/");
+    public static final Uri CONTENT_URI_PUBLIC_KEY_RING_BY_KEY_ID =
+            Uri.parse("content://" + AUTHORITY + "/key_rings/public/key_id/");
+    public static final Uri CONTENT_URI_PUBLIC_KEY_RING_BY_EMAILS =
+            Uri.parse("content://" + AUTHORITY + "/key_rings/public/emails/");
+
+    private static String VERSION = null;
+
+    private static final int[] PREFERRED_SYMMETRIC_ALGORITHMS =
+            new int[] {
+                    SymmetricKeyAlgorithmTags.AES_256,
+                    SymmetricKeyAlgorithmTags.AES_192,
+                    SymmetricKeyAlgorithmTags.AES_128,
+                    SymmetricKeyAlgorithmTags.CAST5,
+                    SymmetricKeyAlgorithmTags.TRIPLE_DES };
+    private static final int[] PREFERRED_HASH_ALGORITHMS =
+            new int[] {
+                    HashAlgorithmTags.SHA1,
+                    HashAlgorithmTags.SHA256,
+                    HashAlgorithmTags.RIPEMD160 };
+    private static final int[] PREFERRED_COMPRESSION_ALGORITHMS =
+            new int[] {
+                    CompressionAlgorithmTags.ZLIB,
+                    CompressionAlgorithmTags.BZIP2,
+                    CompressionAlgorithmTags.ZIP };
+
+    public static Pattern PGP_MESSAGE =
+            Pattern.compile(".*?(-----BEGIN PGP MESSAGE-----.*?-----END PGP MESSAGE-----).*",
+                            Pattern.DOTALL);
+
+    public static Pattern PGP_SIGNED_MESSAGE =
+            Pattern.compile(".*?(-----BEGIN PGP SIGNED MESSAGE-----.*?-----BEGIN PGP SIGNATURE-----.*?-----END PGP SIGNATURE-----).*",
+                            Pattern.DOTALL);
+
+    private static HashMap<Long, CachedPassPhrase> mPassPhraseCache =
+            new HashMap<Long, CachedPassPhrase>();
+    private static String mEditPassPhrase = null;
+
+    private static Database mDatabase = null;
+
+    public static class GeneralException extends Exception {
+        static final long serialVersionUID = 0xf812773342L;
+
+        public GeneralException(String message) {
+            super(message);
+        }
+    }
+
+    public static class NoAsymmetricEncryptionException extends Exception {
+        static final long serialVersionUID = 0xf812773343L;
+
+        public NoAsymmetricEncryptionException() {
+            super();
+        }
+    }
+
+    public static void initialize(Context context) {
+        if (mDatabase == null) {
+            mDatabase = new Database(context);
+        }
+    }
+
+    public static Database getDatabase() {
+        return mDatabase;
+    }
+
+    public static void setEditPassPhrase(String passPhrase) {
+        mEditPassPhrase = passPhrase;
+    }
+
+    public static String getEditPassPhrase() {
+        return mEditPassPhrase;
+    }
+
+    public static void setCachedPassPhrase(long keyId, String passPhrase) {
+        mPassPhraseCache.put(keyId, new CachedPassPhrase(new Date().getTime(), passPhrase));
+    }
+
+    public static String getCachedPassPhrase(long keyId) {
+        long realId = keyId;
+        if (realId != Id.key.symmetric) {
+            PGPSecretKeyRing keyRing = getSecretKeyRing(keyId);
+            if (keyRing == null) {
+                return null;
+            }
+            PGPSecretKey masterKey = getMasterKey(keyRing);
+            if (masterKey == null) {
+                return null;
+            }
+            realId = masterKey.getKeyID();
+        }
+        CachedPassPhrase cpp = mPassPhraseCache.get(realId);
+        if (cpp == null) {
+            return null;
+        }
+        // set it again to reset the cache life cycle
+        setCachedPassPhrase(realId, cpp.passPhrase);
+        return cpp.passPhrase;
+    }
+
+    public static int cleanUpCache(int ttl, int initialDelay) {
+        int delay = initialDelay;
+        long realTtl = ttl * 1000;
+        long now = new Date().getTime();
+        Vector<Long> oldKeys = new Vector<Long>();
+        for (Map.Entry<Long, CachedPassPhrase> pair : mPassPhraseCache.entrySet()) {
+            long lived = now - pair.getValue().timestamp;
+            if (lived >= realTtl) {
+                oldKeys.add(pair.getKey());
+            } else {
+                // see, whether the remaining time for this cache entry improves our
+                // check delay
+                long nextCheck = realTtl - lived + 1000;
+                if (nextCheck < delay) {
+                    delay = (int)nextCheck;
+                }
+            }
+        }
+
+        for (long keyId : oldKeys) {
+            mPassPhraseCache.remove(keyId);
+        }
+
+        return delay;
+    }
+
+    public static PGPSecretKey createKey(Context context,
+                                         int algorithmChoice, int keySize, String passPhrase,
+                                         PGPSecretKey masterKey)
+                  throws NoSuchAlgorithmException, PGPException, NoSuchProviderException,
+                  GeneralException, InvalidAlgorithmParameterException {
+
+        if (keySize < 512) {
+            throw new GeneralException(context.getString(R.string.error_keySizeMinimum512bit));
+        }
+
+        Security.addProvider(new BouncyCastleProvider());
+
+        if (passPhrase == null) {
+            passPhrase = "";
+        }
+
+        int algorithm = 0;
+        KeyPairGenerator keyGen = null;
+
+        switch (algorithmChoice) {
+            case Id.choice.algorithm.dsa: {
+                keyGen = KeyPairGenerator.getInstance("DSA", new BouncyCastleProvider());
+                keyGen.initialize(keySize, new SecureRandom());
+                algorithm = PGPPublicKey.DSA;
+                break;
+            }
+
+            case Id.choice.algorithm.elgamal: {
+                if (masterKey == null) {
+                    throw new GeneralException(context.getString(R.string.error_masterKeyMustNotBeElGamal));
+                }
+                keyGen = KeyPairGenerator.getInstance("ELGAMAL", new BouncyCastleProvider());
+                BigInteger p = Primes.getBestPrime(keySize);
+                BigInteger g = new BigInteger("2");
+
+                ElGamalParameterSpec elParams = new ElGamalParameterSpec(p, g);
+
+                keyGen.initialize(elParams);
+                algorithm = PGPPublicKey.ELGAMAL_ENCRYPT;
+                break;
+            }
+
+            case Id.choice.algorithm.rsa: {
+                keyGen = KeyPairGenerator.getInstance("RSA", new BouncyCastleProvider());
+                keyGen.initialize(keySize, new SecureRandom());
+
+                algorithm = PGPPublicKey.RSA_GENERAL;
+                break;
+            }
+
+            default: {
+                throw new GeneralException(context.getString(R.string.error_unknownAlgorithmChoice));
+            }
+        }
+
+        PGPKeyPair keyPair = new PGPKeyPair(algorithm, keyGen.generateKeyPair(), new Date());
+
+        PGPSecretKey secretKey = null;
+        if (masterKey == null) {
+            // enough for now, as we assemble the key again later anyway
+            secretKey = new PGPSecretKey(PGPSignature.DEFAULT_CERTIFICATION, keyPair, "",
+                                         PGPEncryptedData.CAST5, passPhrase.toCharArray(),
+                                         null, null,
+                                         new SecureRandom(), new BouncyCastleProvider().getName());
+
+        } else {
+            PGPPublicKey tmpKey = masterKey.getPublicKey();
+            PGPPublicKey masterPublicKey =
+                new PGPPublicKey(tmpKey.getAlgorithm(),
+                                 tmpKey.getKey(new BouncyCastleProvider()),
+                                 tmpKey.getCreationTime());
+            PGPPrivateKey masterPrivateKey =
+                masterKey.extractPrivateKey(passPhrase.toCharArray(),
+                                            new BouncyCastleProvider());
+
+            PGPKeyPair masterKeyPair = new PGPKeyPair(masterPublicKey, masterPrivateKey);
+            PGPKeyRingGenerator ringGen =
+                new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION,
+                                        masterKeyPair, "",
+                                        PGPEncryptedData.CAST5, passPhrase.toCharArray(),
+                                        null, null,
+                                        new SecureRandom(), new BouncyCastleProvider().getName());
+            ringGen.addSubKey(keyPair);
+            PGPSecretKeyRing secKeyRing = ringGen.generateSecretKeyRing();
+            Iterator it = secKeyRing.getSecretKeys();
+            // first one is the master key
+            it.next();
+            secretKey = (PGPSecretKey) it.next();
+        }
+
+        return secretKey;
+    }
+
+    private static long getNumDaysBetween(GregorianCalendar first, GregorianCalendar second) {
+        GregorianCalendar tmp = new GregorianCalendar();
+        tmp.setTime(first.getTime());
+        long numDays = (second.getTimeInMillis() - first.getTimeInMillis()) / 1000 / 86400;
+        tmp.add(Calendar.DAY_OF_MONTH, (int)numDays);
+        while (tmp.before(second)) {
+            tmp.add(Calendar.DAY_OF_MONTH, 1);
+            ++numDays;
+        }
+        return numDays;
+    }
+
+    public static void buildSecretKey(Activity context,
+                                      SectionView userIdsView, SectionView keysView,
+                                      String oldPassPhrase, String newPassPhrase,
+                                      ProgressDialogUpdater progress)
+            throws Apg.GeneralException, NoSuchProviderException, PGPException,
+            NoSuchAlgorithmException, SignatureException, IOException, Database.GeneralException {
+
+        progress.setProgress(R.string.progress_buildingKey, 0, 100);
+
+        Security.addProvider(new BouncyCastleProvider());
+
+        if (oldPassPhrase == null || oldPassPhrase.equals("")) {
+            oldPassPhrase = "";
+        }
+
+        if (newPassPhrase == null || newPassPhrase.equals("")) {
+            newPassPhrase = "";
+        }
+
+        Vector<String> userIds = new Vector<String>();
+        Vector<PGPSecretKey> keys = new Vector<PGPSecretKey>();
+
+        ViewGroup userIdEditors = userIdsView.getEditors();
+        ViewGroup keyEditors = keysView.getEditors();
+
+        boolean gotMainUserId = false;
+        for (int i = 0; i < userIdEditors.getChildCount(); ++i) {
+            UserIdEditor editor = (UserIdEditor)userIdEditors.getChildAt(i);
+            String userId = null;
+            try {
+                userId = editor.getValue();
+            } catch (UserIdEditor.NoNameException e) {
+                throw new Apg.GeneralException(context.getString(R.string.error_userIdNeedsAName));
+            } catch (UserIdEditor.NoEmailException e) {
+                throw new Apg.GeneralException(context.getString(R.string.error_userIdNeedsAnEmailAddress));
+            } catch (UserIdEditor.InvalidEmailException e) {
+                throw new Apg.GeneralException("" + e);
+            }
+
+            if (userId.equals("")) {
+                continue;
+            }
+
+            if (editor.isMainUserId()) {
+                userIds.insertElementAt(userId, 0);
+                gotMainUserId = true;
+            } else {
+                userIds.add(userId);
+            }
+        }
+
+        if (userIds.size() == 0) {
+            throw new Apg.GeneralException(context.getString(R.string.error_keyNeedsAUserId));
+        }
+
+        if (!gotMainUserId) {
+            throw new Apg.GeneralException(context.getString(R.string.error_mainUserIdMustNotBeEmpty));
+        }
+
+        if (keyEditors.getChildCount() == 0) {
+            throw new Apg.GeneralException(context.getString(R.string.error_keyNeedsMasterKey));
+        }
+
+        for (int i = 0; i < keyEditors.getChildCount(); ++i) {
+            KeyEditor editor = (KeyEditor)keyEditors.getChildAt(i);
+            keys.add(editor.getValue());
+        }
+
+        progress.setProgress(R.string.progress_preparingMasterKey, 10, 100);
+        KeyEditor keyEditor = (KeyEditor) keyEditors.getChildAt(0);
+        int usageId = keyEditor.getUsage();
+        boolean canSign = (usageId == Id.choice.usage.sign_only ||
+                           usageId == Id.choice.usage.sign_and_encrypt);
+        boolean canEncrypt = (usageId == Id.choice.usage.encrypt_only ||
+                              usageId == Id.choice.usage.sign_and_encrypt);
+
+        String mainUserId = userIds.get(0);
+
+        PGPSecretKey masterKey = keys.get(0);
+        PGPPublicKey tmpKey = masterKey.getPublicKey();
+        PGPPublicKey masterPublicKey =
+            new PGPPublicKey(tmpKey.getAlgorithm(),
+                             tmpKey.getKey(new BouncyCastleProvider()),
+                             tmpKey.getCreationTime());
+        PGPPrivateKey masterPrivateKey =
+            masterKey.extractPrivateKey(oldPassPhrase.toCharArray(),
+                                        new BouncyCastleProvider());
+
+        progress.setProgress(R.string.progress_certifyingMasterKey, 20, 100);
+        for (int i = 0; i < userIds.size(); ++i) {
+            String userId = userIds.get(i);
+
+            PGPSignatureGenerator sGen =
+                    new PGPSignatureGenerator(masterPublicKey.getAlgorithm(),
+                                              HashAlgorithmTags.SHA1, new BouncyCastleProvider());
+
+            sGen.initSign(PGPSignature.POSITIVE_CERTIFICATION, masterPrivateKey);
+
+            PGPSignature certification = sGen.generateCertification(userId, masterPublicKey);
+
+            masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, userId, certification);
+        }
+
+        // TODO: cross-certify the master key with every sub key
+
+        PGPKeyPair masterKeyPair = new PGPKeyPair(masterPublicKey, masterPrivateKey);
+
+        PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator();
+        PGPSignatureSubpacketGenerator unhashedPacketsGen = new PGPSignatureSubpacketGenerator();
+
+        int keyFlags = KeyFlags.CERTIFY_OTHER | KeyFlags.SIGN_DATA;
+        if (canEncrypt) {
+            keyFlags |= KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE;
+        }
+        hashedPacketsGen.setKeyFlags(true, keyFlags);
+
+        hashedPacketsGen.setPreferredSymmetricAlgorithms(true, PREFERRED_SYMMETRIC_ALGORITHMS);
+        hashedPacketsGen.setPreferredHashAlgorithms(true, PREFERRED_HASH_ALGORITHMS);
+        hashedPacketsGen.setPreferredCompressionAlgorithms(true, PREFERRED_COMPRESSION_ALGORITHMS);
+
+        // TODO: this doesn't work quite right yet
+        if (keyEditor.getExpiryDate() != null) {
+            GregorianCalendar creationDate = new GregorianCalendar();
+            creationDate.setTime(getCreationDate(masterKey));
+            GregorianCalendar expiryDate = keyEditor.getExpiryDate();
+            long numDays = getNumDaysBetween(creationDate, expiryDate);
+            if (numDays <= 0) {
+                throw new GeneralException(context.getString(R.string.error_expiryMustComeAfterCreation));
+            }
+            hashedPacketsGen.setKeyExpirationTime(true, numDays * 86400);
+        }
+
+        progress.setProgress(R.string.progress_buildingMasterKeyRing, 30, 100);
+        PGPKeyRingGenerator keyGen =
+                new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION,
+                                        masterKeyPair, mainUserId,
+                                        PGPEncryptedData.CAST5, newPassPhrase.toCharArray(),
+                                        hashedPacketsGen.generate(), unhashedPacketsGen.generate(),
+                                        new SecureRandom(), new BouncyCastleProvider().getName());
+
+        progress.setProgress(R.string.progress_addingSubKeys, 40, 100);
+        for (int i = 1; i < keys.size(); ++i) {
+            progress.setProgress(40 + 50 * (i - 1)/ (keys.size() - 1), 100);
+            PGPSecretKey subKey = keys.get(i);
+            keyEditor = (KeyEditor) keyEditors.getChildAt(i);
+            PGPPublicKey subPublicKey = subKey.getPublicKey();
+            PGPPrivateKey subPrivateKey =
+                    subKey.extractPrivateKey(oldPassPhrase.toCharArray(),
+                                             new BouncyCastleProvider());
+            PGPKeyPair subKeyPair =
+                new PGPKeyPair(subPublicKey.getAlgorithm(),
+                               subPublicKey.getKey(new BouncyCastleProvider()),
+                               subPrivateKey.getKey(),
+                               subPublicKey.getCreationTime());
+
+            hashedPacketsGen = new PGPSignatureSubpacketGenerator();
+            unhashedPacketsGen = new PGPSignatureSubpacketGenerator();
+
+            keyFlags = 0;
+            usageId = keyEditor.getUsage();
+            canSign = (usageId == Id.choice.usage.sign_only ||
+                       usageId == Id.choice.usage.sign_and_encrypt);
+            canEncrypt = (usageId == Id.choice.usage.encrypt_only ||
+                          usageId == Id.choice.usage.sign_and_encrypt);
+            if (canSign) {
+                keyFlags |= KeyFlags.SIGN_DATA;
+            }
+            if (canEncrypt) {
+                keyFlags |= KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE;
+            }
+            hashedPacketsGen.setKeyFlags(true, keyFlags);
+
+            // TODO: this doesn't work quite right yet
+            if (keyEditor.getExpiryDate() != null) {
+                GregorianCalendar creationDate = new GregorianCalendar();
+                creationDate.setTime(getCreationDate(masterKey));
+                GregorianCalendar expiryDate = keyEditor.getExpiryDate();
+                long numDays = getNumDaysBetween(creationDate, expiryDate);
+                if (numDays <= 0) {
+                    throw new GeneralException(context.getString(R.string.error_expiryMustComeAfterCreation));
+                }
+                hashedPacketsGen.setKeyExpirationTime(true, numDays * 86400);
+            }
+
+            keyGen.addSubKey(subKeyPair,
+                             hashedPacketsGen.generate(), unhashedPacketsGen.generate());
+        }
+
+        PGPSecretKeyRing secretKeyRing = keyGen.generateSecretKeyRing();
+        PGPPublicKeyRing publicKeyRing = keyGen.generatePublicKeyRing();
+
+        progress.setProgress(R.string.progress_savingKeyRing, 90, 100);
+        mDatabase.saveKeyRing(secretKeyRing);
+        mDatabase.saveKeyRing(publicKeyRing);
+
+        progress.setProgress(R.string.progress_done, 100, 100);
+    }
+
+    public static Bundle importKeyRings(Activity context, int type,
+                                        InputData data,
+                                        ProgressDialogUpdater progress)
+            throws GeneralException, FileNotFoundException, PGPException, IOException {
+        Bundle returnData = new Bundle();
+
+        if (type == Id.type.secret_key) {
+            progress.setProgress(R.string.progress_importingSecretKeys, 0, 100);
+        } else {
+            progress.setProgress(R.string.progress_importingPublicKeys, 0, 100);
+        }
+
+        if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+            throw new GeneralException(context.getString(R.string.error_externalStorageNotReady));
+        }
+
+        PositionAwareInputStream progressIn = new PositionAwareInputStream(data.getInputStream());
+        // need to have access to the bufferedInput, so we can reuse it for the possible
+        // PGPObject chunks after the first one, e.g. files with several consecutive ASCII
+        // armour blocks
+        BufferedInputStream bufferedInput = new BufferedInputStream(progressIn);
+        int newKeys = 0;
+        int oldKeys = 0;
+        try {
+            while (true) {
+                InputStream in = PGPUtil.getDecoderStream(bufferedInput);
+                PGPObjectFactory objectFactory = new PGPObjectFactory(in);
+                Object obj = objectFactory.nextObject();
+                // if the first is already a null object, then we can stop trying
+                if (obj == null) {
+                    break;
+                }
+                while (obj != null) {
+                    PGPPublicKeyRing publicKeyRing;
+                    PGPSecretKeyRing secretKeyRing;
+                    // a return value that doesn't match any Id.return_value.* values, in case
+                    // saveKeyRing is never called
+                    int retValue = 2107;
+
+                    try {
+                        if (type == Id.type.secret_key && obj instanceof PGPSecretKeyRing) {
+                            secretKeyRing = (PGPSecretKeyRing) obj;
+                            retValue = mDatabase.saveKeyRing(secretKeyRing);
+                        } else if (type == Id.type.public_key && obj instanceof PGPPublicKeyRing) {
+                            publicKeyRing = (PGPPublicKeyRing) obj;
+                            retValue = mDatabase.saveKeyRing(publicKeyRing);
+                        }
+                    } catch (IOException e) {
+                        retValue = Id.return_value.error;
+                    } catch (Database.GeneralException e) {
+                        retValue = Id.return_value.error;
+                    }
+
+                    if (retValue == Id.return_value.error) {
+                        throw new GeneralException(context.getString(R.string.error_savingKeys));
+                    }
+
+                    if (retValue == Id.return_value.updated) {
+                        ++oldKeys;
+                    } else if (retValue == Id.return_value.ok) {
+                        ++newKeys;
+                    }
+                    progress.setProgress((int)(100 * progressIn.position() / data.getSize()), 100);
+                    obj = objectFactory.nextObject();
+                }
+            }
+        } catch (EOFException e) {
+            // nothing to do, we are done
+        }
+
+        returnData.putInt("added", newKeys);
+        returnData.putInt("updated", oldKeys);
+
+        progress.setProgress(R.string.progress_done, 100, 100);
+
+        return returnData;
+    }
+
+    public static Bundle exportKeyRings(Activity context, Vector<Integer> keyRingIds,
+                                        OutputStream outStream,
+                                        ProgressDialogUpdater progress)
+            throws GeneralException, FileNotFoundException, PGPException, IOException {
+        Bundle returnData = new Bundle();
+
+        if (keyRingIds.size() == 1) {
+            progress.setProgress(R.string.progress_exportingKey, 0, 100);
+        } else {
+            progress.setProgress(R.string.progress_exportingKeys, 0, 100);
+        }
+
+        if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+            throw new GeneralException(context.getString(R.string.error_externalStorageNotReady));
+        }
+        ArmoredOutputStream out = new ArmoredOutputStream(outStream);
+
+        int numKeys = 0;
+        for (int i = 0; i < keyRingIds.size(); ++i) {
+            progress.setProgress(i * 100 / keyRingIds.size(), 100);
+            Object obj = mDatabase.getKeyRing(keyRingIds.get(i));
+            PGPPublicKeyRing publicKeyRing;
+            PGPSecretKeyRing secretKeyRing;
+
+            if (obj instanceof PGPSecretKeyRing) {
+                secretKeyRing = (PGPSecretKeyRing) obj;
+                secretKeyRing.encode(out);
+            } else if (obj instanceof PGPPublicKeyRing) {
+                publicKeyRing = (PGPPublicKeyRing) obj;
+                publicKeyRing.encode(out);
+            } else {
+                continue;
+            }
+            ++numKeys;
+        }
+        out.close();
+        returnData.putInt("exported", numKeys);
+
+        progress.setProgress(R.string.progress_done, 100, 100);
+
+        return returnData;
+    }
+
+    public static Date getCreationDate(PGPPublicKey key) {
+        return key.getCreationTime();
+    }
+
+    public static Date getCreationDate(PGPSecretKey key) {
+        return key.getPublicKey().getCreationTime();
+    }
+
+    public static PGPPublicKey getMasterKey(PGPPublicKeyRing keyRing) {
+        if (keyRing == null) {
+            return null;
+        }
+        for (PGPPublicKey key : new IterableIterator<PGPPublicKey>(keyRing.getPublicKeys())) {
+            if (key.isMasterKey()) {
+                return key;
+            }
+        }
+
+        return null;
+    }
+
+    public static PGPSecretKey getMasterKey(PGPSecretKeyRing keyRing) {
+        if (keyRing == null) {
+            return null;
+        }
+        for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
+            if (key.isMasterKey()) {
+                return key;
+            }
+        }
+
+        return null;
+    }
+
+    public static Vector<PGPPublicKey> getEncryptKeys(PGPPublicKeyRing keyRing) {
+        Vector<PGPPublicKey> encryptKeys = new Vector<PGPPublicKey>();
+
+        for (PGPPublicKey key : new IterableIterator<PGPPublicKey>(keyRing.getPublicKeys())) {
+            if (isEncryptionKey(key)) {
+                encryptKeys.add(key);
+            }
+        }
+
+        return encryptKeys;
+    }
+
+    public static Vector<PGPSecretKey> getSigningKeys(PGPSecretKeyRing keyRing) {
+        Vector<PGPSecretKey> signingKeys = new Vector<PGPSecretKey>();
+
+        for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
+            if (isSigningKey(key)) {
+                signingKeys.add(key);
+            }
+        }
+
+        return signingKeys;
+    }
+
+    public static Vector<PGPPublicKey> getUsableEncryptKeys(PGPPublicKeyRing keyRing) {
+        Vector<PGPPublicKey> usableKeys = new Vector<PGPPublicKey>();
+        Vector<PGPPublicKey> encryptKeys = getEncryptKeys(keyRing);
+        PGPPublicKey masterKey = null;
+        for (int i = 0; i < encryptKeys.size(); ++i) {
+            PGPPublicKey key = encryptKeys.get(i);
+            if (!isExpired(key)) {
+                if (key.isMasterKey()) {
+                    masterKey = key;
+                } else {
+                    usableKeys.add(key);
+                }
+            }
+        }
+        if (masterKey != null) {
+            usableKeys.add(masterKey);
+        }
+        return usableKeys;
+    }
+
+    public static boolean isExpired(PGPPublicKey key) {
+        Date creationDate = getCreationDate(key);
+        Date expiryDate = getExpiryDate(key);
+        Date now = new Date();
+        if (now.compareTo(creationDate) >= 0 &&
+            (expiryDate == null || now.compareTo(expiryDate) <= 0)) {
+            return false;
+        }
+        return true;
+    }
+
+    public static boolean isExpired(PGPSecretKey key) {
+        return isExpired(key.getPublicKey());
+    }
+
+    public static Vector<PGPSecretKey> getUsableSigningKeys(PGPSecretKeyRing keyRing) {
+        Vector<PGPSecretKey> usableKeys = new Vector<PGPSecretKey>();
+        Vector<PGPSecretKey> signingKeys = getSigningKeys(keyRing);
+        PGPSecretKey masterKey = null;
+        for (int i = 0; i < signingKeys.size(); ++i) {
+            PGPSecretKey key = signingKeys.get(i);
+            if (key.isMasterKey()) {
+                masterKey = key;
+            } else {
+                usableKeys.add(key);
+            }
+        }
+        if (masterKey != null) {
+            usableKeys.add(masterKey);
+        }
+        return usableKeys;
+    }
+
+    public static Date getExpiryDate(PGPPublicKey key) {
+        Date creationDate = getCreationDate(key);
+        if (key.getValidDays() == 0) {
+            // no expiry
+            return null;
+        }
+        Calendar calendar = GregorianCalendar.getInstance();
+        calendar.setTime(creationDate);
+        calendar.add(Calendar.DATE, key.getValidDays());
+        Date expiryDate = calendar.getTime();
+
+        return expiryDate;
+    }
+
+    public static Date getExpiryDate(PGPSecretKey key) {
+        return getExpiryDate(key.getPublicKey());
+    }
+
+    public static PGPPublicKey getEncryptPublicKey(long masterKeyId) {
+        PGPPublicKeyRing keyRing = getPublicKeyRing(masterKeyId);
+        if (keyRing == null) {
+            return null;
+        }
+        Vector<PGPPublicKey> encryptKeys = getUsableEncryptKeys(keyRing);
+        if (encryptKeys.size() == 0) {
+            return null;
+        }
+        return encryptKeys.get(0);
+    }
+
+    public static PGPSecretKey getSigningKey(long masterKeyId) {
+        PGPSecretKeyRing keyRing = getSecretKeyRing(masterKeyId);
+        if (keyRing == null) {
+            return null;
+        }
+        Vector<PGPSecretKey> signingKeys = getUsableSigningKeys(keyRing);
+        if (signingKeys.size() == 0) {
+            return null;
+        }
+        return signingKeys.get(0);
+    }
+
+    public static String getMainUserId(PGPPublicKey key) {
+        for (String userId : new IterableIterator<String>(key.getUserIDs())) {
+            return userId;
+        }
+        return null;
+    }
+
+    public static String getMainUserId(PGPSecretKey key) {
+        for (String userId : new IterableIterator<String>(key.getUserIDs())) {
+            return userId;
+        }
+        return null;
+    }
+
+    public static String getMainUserIdSafe(Context context, PGPPublicKey key) {
+        String userId = getMainUserId(key);
+        if (userId == null) {
+            userId = context.getResources().getString(R.string.unknownUserId);
+        }
+        return userId;
+    }
+
+    public static String getMainUserIdSafe(Context context, PGPSecretKey key) {
+        String userId = getMainUserId(key);
+        if (userId == null) {
+            userId = context.getResources().getString(R.string.unknownUserId);
+        }
+        return userId;
+    }
+
+    public static boolean isEncryptionKey(PGPPublicKey key) {
+        if (!key.isEncryptionKey()) {
+            return false;
+        }
+
+        if (key.getVersion() <= 3) {
+            // this must be true now
+            return key.isEncryptionKey();
+        }
+
+        // special cases
+        if (key.getAlgorithm() == PGPPublicKey.ELGAMAL_ENCRYPT) {
+            return true;
+        }
+
+        if (key.getAlgorithm() == PGPPublicKey.RSA_ENCRYPT) {
+            return true;
+        }
+
+        for (PGPSignature sig : new IterableIterator<PGPSignature>(key.getSignatures())) {
+            if (key.isMasterKey() && sig.getKeyID() != key.getKeyID()) {
+                continue;
+            }
+            PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
+
+            if (hashed != null &&(hashed.getKeyFlags() &
+                                  (KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE)) != 0) {
+                return true;
+            }
+
+            PGPSignatureSubpacketVector unhashed = sig.getUnhashedSubPackets();
+
+            if (unhashed != null &&(unhashed.getKeyFlags() &
+                                  (KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE)) != 0) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean isEncryptionKey(PGPSecretKey key) {
+        return isEncryptionKey(key.getPublicKey());
+    }
+
+    public static boolean isSigningKey(PGPPublicKey key) {
+        if (key.getVersion() <= 3) {
+            return true;
+        }
+
+        // special case
+        if (key.getAlgorithm() == PGPPublicKey.RSA_SIGN) {
+            return true;
+        }
+
+        for (PGPSignature sig : new IterableIterator<PGPSignature>(key.getSignatures())) {
+            if (key.isMasterKey() && sig.getKeyID() != key.getKeyID()) {
+                continue;
+            }
+            PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
+
+            if (hashed != null && (hashed.getKeyFlags() & KeyFlags.SIGN_DATA) != 0) {
+                return true;
+            }
+
+            PGPSignatureSubpacketVector unhashed = sig.getUnhashedSubPackets();
+
+            if (unhashed != null && (unhashed.getKeyFlags() & KeyFlags.SIGN_DATA) != 0) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public static boolean isSigningKey(PGPSecretKey key) {
+        return isSigningKey(key.getPublicKey());
+    }
+
+    public static String getAlgorithmInfo(PGPPublicKey key) {
+        return getAlgorithmInfo(key.getAlgorithm(), key.getBitStrength());
+    }
+
+    public static String getAlgorithmInfo(PGPSecretKey key) {
+        return getAlgorithmInfo(key.getPublicKey());
+    }
+
+    public static String getAlgorithmInfo(int algorithm, int keySize) {
+        String algorithmStr = null;
+
+        switch (algorithm) {
+            case PGPPublicKey.RSA_ENCRYPT:
+            case PGPPublicKey.RSA_GENERAL:
+            case PGPPublicKey.RSA_SIGN: {
+                algorithmStr = "RSA";
+                break;
+            }
+
+            case PGPPublicKey.DSA: {
+                algorithmStr = "DSA";
+                break;
+            }
+
+            case PGPPublicKey.ELGAMAL_ENCRYPT:
+            case PGPPublicKey.ELGAMAL_GENERAL: {
+                algorithmStr = "ElGamal";
+                break;
+            }
+
+            default: {
+                algorithmStr = "???";
+                break;
+            }
+        }
+        return algorithmStr + ", " + keySize + "bit";
+    }
+
+    public static void deleteKey(int keyRingId) {
+        mDatabase.deleteKeyRing(keyRingId);
+    }
+
+    public static Object getKeyRing(int keyRingId) {
+        return mDatabase.getKeyRing(keyRingId);
+    }
+
+    public static PGPSecretKeyRing getSecretKeyRing(long keyId) {
+        byte[] data = mDatabase.getKeyRingDataFromKeyId(Id.database.type_secret, keyId);
+        if (data == null) {
+            return null;
+        }
+        try {
+            return new PGPSecretKeyRing(data);
+        } catch (IOException e) {
+            // no good way to handle this, return null
+            // TODO: some info?
+        } catch (PGPException e) {
+            // no good way to handle this, return null
+            // TODO: some info?
+        }
+        return null;
+    }
+
+    public static PGPPublicKeyRing getPublicKeyRing(long keyId) {
+        byte[] data = mDatabase.getKeyRingDataFromKeyId(Id.database.type_public, keyId);
+        if (data == null) {
+            return null;
+        }
+        try {
+            return new PGPPublicKeyRing(data);
+        } catch (IOException e) {
+            // no good way to handle this, return null
+            // TODO: some info?
+        }
+        return null;
+    }
+
+    public static PGPSecretKey getSecretKey(long keyId) {
+        PGPSecretKeyRing keyRing = getSecretKeyRing(keyId);
+        if (keyRing == null) {
+            return null;
+        }
+        return keyRing.getSecretKey(keyId);
+    }
+
+    public static PGPPublicKey getPublicKey(long keyId) {
+        PGPPublicKeyRing keyRing = getPublicKeyRing(keyId);
+        if (keyRing == null) {
+            return null;
+        }
+        try {
+            return keyRing.getPublicKey(keyId);
+        } catch (PGPException e) {
+            return null;
+        }
+    }
+
+    public static Vector<Integer> getKeyRingIds(int type) {
+        SQLiteDatabase db = mDatabase.db();
+        Vector<Integer> keyIds = new Vector<Integer>();
+        Cursor c = db.query(KeyRings.TABLE_NAME,
+                            new String[] { KeyRings._ID },
+                            KeyRings.TYPE + " = ?", new String[] { "" + type },
+                            null, null, null);
+        if (c != null && c.moveToFirst()) {
+            do {
+                keyIds.add(c.getInt(0));
+            } while (c.moveToNext());
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        return keyIds;
+    }
+
+    public static String getMainUserId(long keyId, int type) {
+        SQLiteDatabase db = mDatabase.db();
+        Cursor c = db.query(Keys.TABLE_NAME + " INNER JOIN " + KeyRings.TABLE_NAME + " ON (" +
+                            KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
+                            Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + ") " +
+                            " INNER JOIN " + Keys.TABLE_NAME + " AS masterKey ON (" +
+                            KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
+                            "masterKey." + Keys.KEY_RING_ID + " AND " +
+                            "masterKey." + Keys.IS_MASTER_KEY + " = '1') " +
+                            " INNER JOIN " + UserIds.TABLE_NAME + " ON (" +
+                            UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " = " +
+                            "masterKey." + Keys._ID + " AND " +
+                            UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0')",
+                            new String[] { UserIds.USER_ID },
+                             Keys.TABLE_NAME + "." + Keys.KEY_ID + " = ? AND " +
+                             KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
+                             new String[] {
+                                 "" + keyId,
+                                 "" + type,
+                             },
+                             null, null, null);
+        String userId = "";
+        if (c != null && c.moveToFirst()) {
+            do {
+                userId = c.getString(0);
+            } while (c.moveToNext());
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        return userId;
+    }
+
+    public static void encrypt(Context context,
+                               InputData data, OutputStream outStream,
+                               boolean armored,
+                               long encryptionKeyIds[], long signatureKeyId,
+                               String signaturePassPhrase,
+                               ProgressDialogUpdater progress,
+                               int symmetricAlgorithm, int hashAlgorithm, int compression,
+                               String passPhrase)
+            throws IOException, GeneralException, PGPException, NoSuchProviderException,
+            NoSuchAlgorithmException, SignatureException {
+        Security.addProvider(new BouncyCastleProvider());
+
+        if (encryptionKeyIds == null) {
+            encryptionKeyIds = new long[0];
+        }
+
+        ArmoredOutputStream armorOut = null;
+        OutputStream out = null;
+        OutputStream encryptOut = null;
+        if (armored) {
+            armorOut = new ArmoredOutputStream(outStream);
+            armorOut.setHeader("Version", getFullVersion(context));
+            out = armorOut;
+        } else {
+            out = outStream;
+        }
+        PGPSecretKey signingKey = null;
+        PGPSecretKeyRing signingKeyRing = null;
+        PGPPrivateKey signaturePrivateKey = null;
+
+        if (encryptionKeyIds.length == 0 && passPhrase == null) {
+            throw new GeneralException(context.getString(R.string.error_noEncryptionKeysOrPassPhrase));
+        }
+
+        if (signatureKeyId != 0) {
+            signingKeyRing = getSecretKeyRing(signatureKeyId);
+            signingKey = getSigningKey(signatureKeyId);
+            if (signingKey == null) {
+                throw new GeneralException(context.getString(R.string.error_signatureFailed));
+            }
+
+            if (signaturePassPhrase == null) {
+                throw new GeneralException(context.getString(R.string.error_noSignaturePassPhrase));
+            }
+            progress.setProgress(R.string.progress_extractingSignatureKey, 0, 100);
+            signaturePrivateKey = signingKey.extractPrivateKey(signaturePassPhrase.toCharArray(),
+                                                               new BouncyCastleProvider());
+        }
+
+        PGPSignatureGenerator signatureGenerator = null;
+        progress.setProgress(R.string.progress_preparingStreams, 5, 100);
+        // encrypt and compress input file content
+        PGPEncryptedDataGenerator cPk =
+                new PGPEncryptedDataGenerator(symmetricAlgorithm, true, new SecureRandom(),
+                                              new BouncyCastleProvider());
+
+        if (encryptionKeyIds.length == 0) {
+            // symmetric encryption
+            cPk.addMethod(passPhrase.toCharArray());
+        }
+        for (int i = 0; i < encryptionKeyIds.length; ++i) {
+            PGPPublicKey key = getEncryptPublicKey(encryptionKeyIds[i]);
+            if (key != null) {
+                cPk.addMethod(key);
+            }
+        }
+        encryptOut = cPk.open(out, new byte[1 << 16]);
+
+        if (signatureKeyId != 0) {
+            progress.setProgress(R.string.progress_preparingSignature, 10, 100);
+            signatureGenerator =
+                    new PGPSignatureGenerator(signingKey.getPublicKey().getAlgorithm(),
+                                              hashAlgorithm,
+                                              new BouncyCastleProvider());
+            signatureGenerator.initSign(PGPSignature.BINARY_DOCUMENT, signaturePrivateKey);
+            String userId = getMainUserId(getMasterKey(signingKeyRing));
+
+            PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator();
+            spGen.setSignerUserID(false, userId);
+            signatureGenerator.setHashedSubpackets(spGen.generate());
+        }
+
+        PGPCompressedDataGenerator compressGen = null;
+        BCPGOutputStream bcpgOut = null;
+        if (compression == Id.choice.compression.none) {
+            bcpgOut = new BCPGOutputStream(encryptOut);
+        } else {
+            compressGen = new PGPCompressedDataGenerator(compression);
+            bcpgOut = new BCPGOutputStream(compressGen.open(encryptOut));
+        }
+        if (signatureKeyId != 0) {
+            signatureGenerator.generateOnePassVersion(false).encode(bcpgOut);
+        }
+
+        PGPLiteralDataGenerator literalGen = new PGPLiteralDataGenerator();
+        // file name not needed, so empty string
+        OutputStream pOut = literalGen.open(bcpgOut, PGPLiteralData.BINARY, "",
+                                            new Date(), new byte[1 << 16]);
+
+        progress.setProgress(R.string.progress_encrypting, 20, 100);
+        long done = 0;
+        int n = 0;
+        byte[] buffer = new byte[1 << 16];
+        InputStream in = data.getInputStream();
+        while ((n = in.read(buffer)) > 0) {
+            pOut.write(buffer, 0, n);
+            if (signatureKeyId != 0) {
+                signatureGenerator.update(buffer, 0, n);
+            }
+            done += n;
+            if (data.getSize() != 0) {
+                progress.setProgress((int) (20 + (95 - 20) * done / data.getSize()), 100);
+            }
+        }
+
+        literalGen.close();
+
+        if (signatureKeyId != 0) {
+            progress.setProgress(R.string.progress_generatingSignature, 95, 100);
+            signatureGenerator.generate().encode(pOut);
+        }
+        if (compressGen != null) {
+            compressGen.close();
+        }
+        encryptOut.close();
+        if (armored) {
+            armorOut.close();
+        }
+
+        progress.setProgress(R.string.progress_done, 100, 100);
+    }
+
+    public static void signText(Context context,
+                                InputData data, OutputStream outStream,
+                                long signatureKeyId, String signaturePassPhrase,
+                                int hashAlgorithm,
+                                ProgressDialogUpdater progress)
+            throws GeneralException, PGPException, IOException, NoSuchAlgorithmException,
+            SignatureException {
+        Security.addProvider(new BouncyCastleProvider());
+
+        ArmoredOutputStream armorOut = new ArmoredOutputStream(outStream);
+        armorOut.setHeader("Version", getFullVersion(context));
+
+        PGPSecretKey signingKey = null;
+        PGPSecretKeyRing signingKeyRing = null;
+        PGPPrivateKey signaturePrivateKey = null;
+
+        if (signatureKeyId == 0) {
+            throw new GeneralException(context.getString(R.string.error_noSignatureKey));
+        }
+
+        signingKeyRing = getSecretKeyRing(signatureKeyId);
+        signingKey = getSigningKey(signatureKeyId);
+        if (signingKey == null) {
+            throw new GeneralException(context.getString(R.string.error_signatureFailed));
+        }
+
+        if (signaturePassPhrase == null) {
+            throw new GeneralException(context.getString(R.string.error_noSignaturePassPhrase));
+        }
+        signaturePrivateKey =
+                signingKey.extractPrivateKey(signaturePassPhrase.toCharArray(),
+                                             new BouncyCastleProvider());
+
+        PGPSignatureGenerator signatureGenerator = null;
+        progress.setProgress(R.string.progress_preparingStreams, 0, 100);
+
+        progress.setProgress(R.string.progress_preparingSignature, 30, 100);
+        signatureGenerator =
+                new PGPSignatureGenerator(signingKey.getPublicKey().getAlgorithm(),
+                                          hashAlgorithm,
+                                          new BouncyCastleProvider());
+        signatureGenerator.initSign(PGPSignature.CANONICAL_TEXT_DOCUMENT, signaturePrivateKey);
+        String userId = getMainUserId(getMasterKey(signingKeyRing));
+
+        PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator();
+        spGen.setSignerUserID(false, userId);
+        signatureGenerator.setHashedSubpackets(spGen.generate());
+
+        progress.setProgress(R.string.progress_signing, 40, 100);
+
+        armorOut.beginClearText(hashAlgorithm);
+
+        ByteArrayOutputStream lineOut = new ByteArrayOutputStream();
+        InputStream inStream = data.getInputStream();
+        int lookAhead = readInputLine(lineOut, inStream);
+
+        processLine(armorOut, signatureGenerator, lineOut.toByteArray());
+
+        if (lookAhead != -1) {
+            do {
+                lookAhead = readInputLine(lineOut, lookAhead, inStream);
+
+                signatureGenerator.update((byte)'\r');
+                signatureGenerator.update((byte)'\n');
+
+                processLine(armorOut, signatureGenerator, lineOut.toByteArray());
+            }
+            while (lookAhead != -1);
+        }
+
+        armorOut.endClearText();
+
+        BCPGOutputStream bOut = new BCPGOutputStream(armorOut);
+        signatureGenerator.generate().encode(bOut);
+        armorOut.close();
+
+        progress.setProgress(R.string.progress_done, 100, 100);
+    }
+
+    public static long getDecryptionKeyId(Context context, InputData data)
+            throws GeneralException, NoAsymmetricEncryptionException, IOException {
+        InputStream in = PGPUtil.getDecoderStream(data.getInputStream());
+        PGPObjectFactory pgpF = new PGPObjectFactory(in);
+        PGPEncryptedDataList enc;
+        Object o = pgpF.nextObject();
+
+        // the first object might be a PGP marker packet.
+        if (o instanceof PGPEncryptedDataList) {
+            enc = (PGPEncryptedDataList) o;
+        } else {
+            enc = (PGPEncryptedDataList) pgpF.nextObject();
+        }
+
+        if (enc == null) {
+            throw new GeneralException(context.getString(R.string.error_invalidData));
+        }
+
+        // TODO: currently we always only look at the first known key
+        // find the secret key
+        PGPSecretKey secretKey = null;
+        Iterator it = enc.getEncryptedDataObjects();
+        boolean gotAsymmetricEncryption = false;
+        while (it.hasNext()) {
+            Object obj = it.next();
+            if (obj instanceof PGPPublicKeyEncryptedData) {
+                gotAsymmetricEncryption = true;
+                PGPPublicKeyEncryptedData pbe = (PGPPublicKeyEncryptedData) obj;
+                secretKey = getSecretKey(pbe.getKeyID());
+                if (secretKey != null) {
+                    break;
+                }
+            }
+        }
+
+        if (!gotAsymmetricEncryption) {
+            throw new NoAsymmetricEncryptionException();
+        }
+
+        if (secretKey == null) {
+            return Id.key.none;
+        }
+
+        return secretKey.getKeyID();
+    }
+
+    public static boolean hasSymmetricEncryption(Context context, InputData data)
+            throws GeneralException, IOException {
+        InputStream in = PGPUtil.getDecoderStream(data.getInputStream());
+        PGPObjectFactory pgpF = new PGPObjectFactory(in);
+        PGPEncryptedDataList enc;
+        Object o = pgpF.nextObject();
+
+        // the first object might be a PGP marker packet.
+        if (o instanceof PGPEncryptedDataList) {
+            enc = (PGPEncryptedDataList) o;
+        } else {
+            enc = (PGPEncryptedDataList) pgpF.nextObject();
+        }
+
+        if (enc == null) {
+            throw new GeneralException(context.getString(R.string.error_invalidData));
+        }
+
+        Iterator it = enc.getEncryptedDataObjects();
+        while (it.hasNext()) {
+            Object obj = it.next();
+            if (obj instanceof PGPPBEEncryptedData) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public static Bundle decrypt(Context context,
+                                 InputData data, OutputStream outStream,
+                                 String passPhrase, ProgressDialogUpdater progress,
+                                 boolean assumeSymmetric)
+            throws IOException, GeneralException, PGPException, SignatureException {
+        if (passPhrase == null) {
+            passPhrase = "";
+        }
+        Bundle returnData = new Bundle();
+        InputStream in = PGPUtil.getDecoderStream(data.getInputStream());
+        PGPObjectFactory pgpF = new PGPObjectFactory(in);
+        PGPEncryptedDataList enc;
+        Object o = pgpF.nextObject();
+        long signatureKeyId = 0;
+
+        int currentProgress = 0;
+        progress.setProgress(R.string.progress_readingData, currentProgress, 100);
+
+        if (o instanceof PGPEncryptedDataList) {
+            enc = (PGPEncryptedDataList) o;
+        } else {
+            enc = (PGPEncryptedDataList) pgpF.nextObject();
+        }
+
+        if (enc == null) {
+            throw new GeneralException(context.getString(R.string.error_invalidData));
+        }
+
+        InputStream clear = null;
+        PGPEncryptedData encryptedData = null;
+
+        currentProgress += 5;
+
+        // TODO: currently we always only look at the first known key or symmetric encryption,
+        // there might be more...
+        if (assumeSymmetric) {
+            PGPPBEEncryptedData pbe = null;
+            Iterator it = enc.getEncryptedDataObjects();
+            // find secret key
+            while (it.hasNext()) {
+                Object obj = it.next();
+                if (obj instanceof PGPPBEEncryptedData) {
+                    pbe = (PGPPBEEncryptedData) obj;
+                    break;
+                }
+            }
+
+            if (pbe == null) {
+                throw new GeneralException(context.getString(R.string.error_noSymmetricEncryptionPacket));
+            }
+
+            progress.setProgress(R.string.progress_preparingStreams, currentProgress, 100);
+            clear = pbe.getDataStream(passPhrase.toCharArray(), new BouncyCastleProvider());
+            encryptedData = pbe;
+            currentProgress += 5;
+        } else {
+            progress.setProgress(R.string.progress_findingKey, currentProgress, 100);
+            PGPPublicKeyEncryptedData pbe = null;
+            PGPSecretKey secretKey = null;
+            Iterator it = enc.getEncryptedDataObjects();
+            // find secret key
+            while (it.hasNext()) {
+                Object obj = it.next();
+                if (obj instanceof PGPPublicKeyEncryptedData) {
+                    PGPPublicKeyEncryptedData encData = (PGPPublicKeyEncryptedData) obj;
+                    secretKey = getSecretKey(encData.getKeyID());
+                    if (secretKey != null) {
+                        pbe = encData;
+                        break;
+                    }
+                }
+            }
+
+            if (secretKey == null) {
+                throw new GeneralException(context.getString(R.string.error_noSecretKeyFound));
+            }
+
+            currentProgress += 5;
+            progress.setProgress(R.string.progress_extractingKey, currentProgress, 100);
+            PGPPrivateKey privateKey = null;
+            try {
+                privateKey = secretKey.extractPrivateKey(passPhrase.toCharArray(),
+                                                         new BouncyCastleProvider());
+            } catch (PGPException e) {
+                throw new PGPException(context.getString(R.string.error_wrongPassPhrase));
+            }
+            currentProgress += 5;
+            progress.setProgress(R.string.progress_preparingStreams, currentProgress, 100);
+            clear = pbe.getDataStream(privateKey, new BouncyCastleProvider());
+            encryptedData = pbe;
+            currentProgress += 5;
+        }
+
+        PGPObjectFactory plainFact = new PGPObjectFactory(clear);
+        Object dataChunk = plainFact.nextObject();
+        PGPOnePassSignature signature = null;
+        PGPPublicKey signatureKey = null;
+        int signatureIndex = -1;
+
+        if (dataChunk instanceof PGPCompressedData) {
+            progress.setProgress(R.string.progress_decompressingData, currentProgress, 100);
+            PGPObjectFactory fact =
+                    new PGPObjectFactory(((PGPCompressedData) dataChunk).getDataStream());
+            dataChunk = fact.nextObject();
+            plainFact = fact;
+            currentProgress += 10;
+        }
+
+        if (dataChunk instanceof PGPOnePassSignatureList) {
+            progress.setProgress(R.string.progress_processingSignature, currentProgress, 100);
+            returnData.putBoolean(EXTRA_SIGNATURE, true);
+            PGPOnePassSignatureList sigList = (PGPOnePassSignatureList) dataChunk;
+            for (int i = 0; i < sigList.size(); ++i) {
+                signature = sigList.get(i);
+                signatureKey = getPublicKey(signature.getKeyID());
+                if (signatureKeyId == 0) {
+                    signatureKeyId = signature.getKeyID();
+                }
+                if (signatureKey == null) {
+                    signature = null;
+                } else {
+                    signatureIndex = i;
+                    signatureKeyId = signature.getKeyID();
+                    String userId = null;
+                    PGPPublicKeyRing sigKeyRing = getPublicKeyRing(signatureKeyId);
+                    if (sigKeyRing != null) {
+                        userId = getMainUserId(getMasterKey(sigKeyRing));
+                    }
+                    returnData.putString(EXTRA_SIGNATURE_USER_ID, userId);
+                    break;
+                }
+            }
+
+            returnData.putLong(EXTRA_SIGNATURE_KEY_ID, signatureKeyId);
+
+            if (signature != null) {
+                signature.initVerify(signatureKey, new BouncyCastleProvider());
+            } else {
+                returnData.putBoolean(EXTRA_SIGNATURE_UNKNOWN, true);
+            }
+
+            dataChunk = plainFact.nextObject();
+            currentProgress += 10;
+        }
+
+        if (dataChunk instanceof PGPLiteralData) {
+            progress.setProgress(R.string.progress_decrypting, currentProgress, 100);
+            PGPLiteralData literalData = (PGPLiteralData) dataChunk;
+            OutputStream out = outStream;
+
+            byte[] buffer = new byte[1 << 16];
+            InputStream dataIn = literalData.getInputStream();
+
+            int startProgress = currentProgress;
+            int endProgress = 100;
+            if (signature != null) {
+                endProgress = 90;
+            } else if (encryptedData.isIntegrityProtected()) {
+                endProgress = 95;
+            }
+            int n = 0;
+            int done = 0;
+            long startPos = data.getStreamPosition();
+            while ((n = dataIn.read(buffer)) > 0) {
+                out.write(buffer, 0, n);
+                done += n;
+                if (signature != null) {
+                    try {
+                        signature.update(buffer, 0, n);
+                    } catch (SignatureException e) {
+                        returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, false);
+                        signature = null;
+                    }
+                }
+                // unknown size, but try to at least have a moving, slowing down progress bar
+                currentProgress = startProgress + (endProgress - startProgress) * done / (done + 100000);
+                if (data.getSize() - startPos == 0) {
+                    currentProgress = endProgress;
+                } else {
+                    currentProgress = (int)(startProgress + (endProgress - startProgress) *
+                                        (data.getStreamPosition() - startPos) / (data.getSize() - startPos));
+                }
+                progress.setProgress(currentProgress, 100);
+            }
+
+            if (signature != null) {
+                progress.setProgress(R.string.progress_verifyingSignature, 90, 100);
+                PGPSignatureList signatureList = (PGPSignatureList) plainFact.nextObject();
+                PGPSignature messageSignature = (PGPSignature) signatureList.get(signatureIndex);
+                if (signature.verify(messageSignature)) {
+                    returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, true);
+                } else {
+                    returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, false);
+                }
+            }
+        }
+
+        // TODO: add integrity somewhere
+        if (encryptedData.isIntegrityProtected()) {
+            progress.setProgress(R.string.progress_verifyingIntegrity, 95, 100);
+            if (encryptedData.verify()) {
+                // passed
+            } else {
+                // failed
+            }
+        } else {
+            // no integrity check
+        }
+
+        progress.setProgress(R.string.progress_done, 100, 100);
+        return returnData;
+    }
+
+    public static Bundle verifyText(Context context,
+                                    InputData data, OutputStream outStream,
+                                    ProgressDialogUpdater progress)
+            throws IOException, GeneralException, PGPException, SignatureException {
+        Bundle returnData = new Bundle();
+
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        ArmoredInputStream aIn = new ArmoredInputStream(data.getInputStream());
+
+        progress.setProgress(R.string.progress_done, 0, 100);
+
+        // mostly taken from ClearSignedFileProcessor
+        ByteArrayOutputStream lineOut = new ByteArrayOutputStream();
+        int lookAhead = readInputLine(lineOut, aIn);
+        byte[] lineSep = getLineSeparator();
+
+        byte[] line = lineOut.toByteArray();
+        out.write(line, 0, getLengthWithoutSeparator(line));
+        out.write(lineSep);
+
+        while (lookAhead != -1 && aIn.isClearText()) {
+            lookAhead = readInputLine(lineOut, lookAhead, aIn);
+            line = lineOut.toByteArray();
+            out.write(line, 0, getLengthWithoutSeparator(line));
+            out.write(lineSep);
+        }
+
+        out.close();
+
+        byte[] clearText = out.toByteArray();
+        outStream.write(clearText);
+
+        returnData.putBoolean(EXTRA_SIGNATURE, true);
+
+        progress.setProgress(R.string.progress_processingSignature, 60, 100);
+        PGPObjectFactory pgpFact = new PGPObjectFactory(aIn);
+
+        PGPSignatureList sigList = (PGPSignatureList) pgpFact.nextObject();
+        if (sigList == null) {
+            throw new GeneralException(context.getString(R.string.error_corruptData));
+        }
+        PGPSignature signature = null;
+        long signatureKeyId = 0;
+        PGPPublicKey signatureKey = null;
+        for (int i = 0; i < sigList.size(); ++i) {
+            signature = sigList.get(i);
+            signatureKey = getPublicKey(signature.getKeyID());
+            if (signatureKeyId == 0) {
+                signatureKeyId = signature.getKeyID();
+            }
+            if (signatureKey == null) {
+                signature = null;
+            } else {
+                signatureKeyId = signature.getKeyID();
+                String userId = null;
+                PGPPublicKeyRing sigKeyRing = getPublicKeyRing(signatureKeyId);
+                if (sigKeyRing != null) {
+                    userId = getMainUserId(getMasterKey(sigKeyRing));
+                }
+                returnData.putString(EXTRA_SIGNATURE_USER_ID, userId);
+                break;
+            }
+        }
+
+        returnData.putLong(EXTRA_SIGNATURE_KEY_ID, signatureKeyId);
+
+        if (signature == null) {
+            returnData.putBoolean(EXTRA_SIGNATURE_UNKNOWN, true);
+            progress.setProgress(R.string.progress_done, 100, 100);
+            return returnData;
+        }
+
+        signature.initVerify(signatureKey, new BouncyCastleProvider());
+
+        InputStream sigIn = new BufferedInputStream(new ByteArrayInputStream(clearText));
+
+        lookAhead = readInputLine(lineOut, sigIn);
+
+        processLine(signature, lineOut.toByteArray());
+
+        if (lookAhead != -1) {
+            do {
+                lookAhead = readInputLine(lineOut, lookAhead, sigIn);
+
+                signature.update((byte)'\r');
+                signature.update((byte)'\n');
+
+                processLine(signature, lineOut.toByteArray());
+            }
+            while (lookAhead != -1);
+        }
+
+        returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, signature.verify());
+
+        progress.setProgress(R.string.progress_done, 100, 100);
+        return returnData;
+    }
+
+    public static int getStreamContent(Context context, InputStream inStream)
+            throws IOException {
+        InputStream in = PGPUtil.getDecoderStream(inStream);
+        PGPObjectFactory pgpF = new PGPObjectFactory(in);
+        Object object = pgpF.nextObject();
+        while (object != null) {
+            if (object instanceof PGPPublicKeyRing ||
+                object instanceof PGPSecretKeyRing) {
+                return Id.content.keys;
+            } else if (object instanceof PGPEncryptedDataList) {
+                return Id.content.encrypted_data;
+            }
+            object = pgpF.nextObject();
+        }
+
+        return Id.content.unknown;
+    }
+
+    // taken from ClearSignedFileProcessor in BC
+    private static int readInputLine(ByteArrayOutputStream bOut, InputStream fIn)
+        throws IOException {
+        bOut.reset();
+
+        int lookAhead = -1;
+        int ch;
+
+        while ((ch = fIn.read()) >= 0) {
+            bOut.write(ch);
+            if (ch == '\r' || ch == '\n') {
+                lookAhead = readPassedEOL(bOut, ch, fIn);
+                break;
+            }
+        }
+
+        return lookAhead;
+    }
+
+    private static int readInputLine(ByteArrayOutputStream bOut, int lookAhead, InputStream fIn)
+        throws IOException {
+        bOut.reset();
+
+        int ch = lookAhead;
+
+        do {
+            bOut.write(ch);
+            if (ch == '\r' || ch == '\n') {
+                lookAhead = readPassedEOL(bOut, ch, fIn);
+                break;
+            }
+        }
+        while ((ch = fIn.read()) >= 0);
+
+        if (ch < 0) {
+            lookAhead = -1;
+        }
+
+        return lookAhead;
+    }
+
+    private static int readPassedEOL(ByteArrayOutputStream bOut, int lastCh, InputStream fIn)
+        throws IOException {
+        int lookAhead = fIn.read();
+
+        if (lastCh == '\r' && lookAhead == '\n') {
+            bOut.write(lookAhead);
+            lookAhead = fIn.read();
+        }
+
+        return lookAhead;
+    }
+
+    private static void processLine(PGPSignature sig, byte[] line)
+        throws SignatureException, IOException {
+        int length = getLengthWithoutWhiteSpace(line);
+        if (length > 0) {
+            sig.update(line, 0, length);
+        }
+    }
+
+    private static void processLine(OutputStream aOut, PGPSignatureGenerator sGen, byte[] line)
+        throws SignatureException, IOException {
+        int length = getLengthWithoutWhiteSpace(line);
+        if (length > 0) {
+            sGen.update(line, 0, length);
+        }
+
+        aOut.write(line, 0, line.length);
+    }
+
+    private static int getLengthWithoutSeparator(byte[] line) {
+        int end = line.length - 1;
+
+        while (end >= 0 && isLineEnding(line[end])) {
+            end--;
+        }
+
+        return end + 1;
+    }
+
+    private static boolean isLineEnding(byte b) {
+        return b == '\r' || b == '\n';
+    }
+
+    private static int getLengthWithoutWhiteSpace(byte[] line) {
+        int end = line.length - 1;
+
+        while (end >= 0 && isWhiteSpace(line[end])) {
+            end--;
+        }
+
+        return end + 1;
+    }
+
+    private static boolean isWhiteSpace(byte b) {
+        return b == '\r' || b == '\n' || b == '\t' || b == ' ';
+    }
+
+    private static byte[] getLineSeparator() {
+        String nl = System.getProperty("line.separator");
+        byte[] nlBytes = new byte[nl.length()];
+
+        for (int i = 0; i != nlBytes.length; i++) {
+            nlBytes[i] = (byte)nl.charAt(i);
+        }
+
+        return nlBytes;
+    }
+
+    public static String getVersion(Context context) {
+        if (VERSION != null) {
+            return VERSION;
+        }
+        try {
+            PackageInfo pi = context.getPackageManager().getPackageInfo(mApgPackageName, 0);
+            VERSION = pi.versionName;
+            return VERSION;
+        } catch (NameNotFoundException e) {
+            // unpossible!
+            return "0.0.0";
+        }
+    }
+
+    public static String getFullVersion(Context context) {
+        return "APG v" + getVersion(context);
+    }
+
+    public static String generateRandomString(int length) {
+        SecureRandom random = new SecureRandom();
+        /*
+        try {
+            random = SecureRandom.getInstance("SHA1PRNG", new BouncyCastleProvider());
+        } catch (NoSuchAlgorithmException e) {
+            // TODO: need to handle this case somehow
+            return null;
+        }*/
+        byte bytes[] = new byte[length];
+        random.nextBytes(bytes);
+        String result = "";
+        for (int i = 0; i < length; ++i) {
+            int v = ((int)bytes[i] + 256) % 64;
+            if (v < 10) {
+                result += (char)((int)'0' + v);
+            } else if (v < 36) {
+                result += (char)((int)'A' + v - 10);
+            } else if (v < 62) {
+                result += (char)((int)'a' + v - 36);
+            } else if (v == 62) {
+                result += '_';
+            } else if (v == 63) {
+                result += '.';
+            }
+        }
+        return result;
+    }
+
+    static long getLengthOfStream(InputStream in) throws IOException {
+        long size = 0;
+        long n = 0;
+        byte dummy[] = new byte[0x10000];
+        while ((n = in.read(dummy)) > 0) {
+            size += n;
+        }
+        return size;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/AskForSecretKeyPassPhrase.java b/src/org/thialfihar/android/apg/AskForSecretKeyPassPhrase.java
index 01cd2de25..7c582ef0c 100644
--- a/src/org/thialfihar/android/apg/AskForSecretKeyPassPhrase.java
+++ b/src/org/thialfihar/android/apg/AskForSecretKeyPassPhrase.java
@@ -1,112 +1,112 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import org.bouncycastle2.jce.provider.BouncyCastleProvider;
-import org.bouncycastle2.openpgp.PGPException;
-import org.bouncycastle2.openpgp.PGPSecretKey;
-
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.DialogInterface.OnClickListener;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.EditText;
-import android.widget.Toast;
-
-public class AskForSecretKeyPassPhrase {
-    public static interface PassPhraseCallbackInterface {
-        void passPhraseCallback(long keyId, String passPhrase);
-    }
-
-    public static Dialog createDialog(Activity context, long secretKeyId,
-                                      PassPhraseCallbackInterface callback) {
-        AlertDialog.Builder alert = new AlertDialog.Builder(context);
-
-        alert.setTitle(R.string.title_authentification);
-
-        final PGPSecretKey secretKey;
-        final Activity activity = context;
-
-        if (secretKeyId == Id.key.symmetric || secretKeyId == Id.key.none) {
-            secretKey = null;
-            alert.setMessage(context.getString(R.string.passPhraseForSymmetricEncryption));
-        } else {
-            secretKey = Apg.getMasterKey(Apg.getSecretKeyRing(secretKeyId));
-            if (secretKey == null) {
-                alert.setTitle(R.string.title_keyNotFound);
-                alert.setMessage(context.getString(R.string.keyNotFound, secretKeyId));
-                alert.setPositiveButton(android.R.string.ok, new OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int which) {
-                        activity.removeDialog(Id.dialog.pass_phrase);
-                    }
-                });
-                alert.setCancelable(false);
-                return alert.create();
-            }
-            String userId = Apg.getMainUserIdSafe(context, secretKey);
-            alert.setMessage(context.getString(R.string.passPhraseFor, userId));
-        }
-
-        LayoutInflater inflater =
-            (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-        View view = inflater.inflate(R.layout.pass_phrase, null);
-        final EditText input = (EditText) view.findViewById(R.id.passPhrase);
-        final EditText inputNotUsed = (EditText) view.findViewById(R.id.passPhraseAgain);
-        inputNotUsed.setVisibility(View.GONE);
-
-        alert.setView(view);
-
-        final PassPhraseCallbackInterface cb = callback;
-        alert.setPositiveButton(android.R.string.ok,
-                new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        activity.removeDialog(Id.dialog.pass_phrase);
-                        String passPhrase = "" + input.getText();
-                        long keyId;
-                        if (secretKey != null) {
-                            try {
-                                secretKey.extractPrivateKey(passPhrase.toCharArray(),
-                                                            new BouncyCastleProvider());
-                            } catch (PGPException e) {
-                                Toast.makeText(activity,
-                                               R.string.wrongPassPhrase,
-                                               Toast.LENGTH_SHORT).show();
-                                return;
-                            }
-                            keyId = secretKey.getKeyID();
-                        } else {
-                            keyId = Id.key.symmetric;
-                        }
-                        cb.passPhraseCallback(keyId, passPhrase);
-                    }
-                });
-
-        alert.setNegativeButton(android.R.string.cancel,
-                                new DialogInterface.OnClickListener() {
-                                    public void onClick(DialogInterface dialog, int id) {
-                                        activity.removeDialog(Id.dialog.pass_phrase);
-                                    }
-                                });
-
-        return alert.create();
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import org.bouncycastle2.jce.provider.BouncyCastleProvider;
+import org.bouncycastle2.openpgp.PGPException;
+import org.bouncycastle2.openpgp.PGPSecretKey;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.Toast;
+
+public class AskForSecretKeyPassPhrase {
+    public static interface PassPhraseCallbackInterface {
+        void passPhraseCallback(long keyId, String passPhrase);
+    }
+
+    public static Dialog createDialog(Activity context, long secretKeyId,
+                                      PassPhraseCallbackInterface callback) {
+        AlertDialog.Builder alert = new AlertDialog.Builder(context);
+
+        alert.setTitle(R.string.title_authentification);
+
+        final PGPSecretKey secretKey;
+        final Activity activity = context;
+
+        if (secretKeyId == Id.key.symmetric || secretKeyId == Id.key.none) {
+            secretKey = null;
+            alert.setMessage(context.getString(R.string.passPhraseForSymmetricEncryption));
+        } else {
+            secretKey = Apg.getMasterKey(Apg.getSecretKeyRing(secretKeyId));
+            if (secretKey == null) {
+                alert.setTitle(R.string.title_keyNotFound);
+                alert.setMessage(context.getString(R.string.keyNotFound, secretKeyId));
+                alert.setPositiveButton(android.R.string.ok, new OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        activity.removeDialog(Id.dialog.pass_phrase);
+                    }
+                });
+                alert.setCancelable(false);
+                return alert.create();
+            }
+            String userId = Apg.getMainUserIdSafe(context, secretKey);
+            alert.setMessage(context.getString(R.string.passPhraseFor, userId));
+        }
+
+        LayoutInflater inflater =
+            (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        View view = inflater.inflate(R.layout.pass_phrase, null);
+        final EditText input = (EditText) view.findViewById(R.id.passPhrase);
+        final EditText inputNotUsed = (EditText) view.findViewById(R.id.passPhraseAgain);
+        inputNotUsed.setVisibility(View.GONE);
+
+        alert.setView(view);
+
+        final PassPhraseCallbackInterface cb = callback;
+        alert.setPositiveButton(android.R.string.ok,
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        activity.removeDialog(Id.dialog.pass_phrase);
+                        String passPhrase = "" + input.getText();
+                        long keyId;
+                        if (secretKey != null) {
+                            try {
+                                secretKey.extractPrivateKey(passPhrase.toCharArray(),
+                                                            new BouncyCastleProvider());
+                            } catch (PGPException e) {
+                                Toast.makeText(activity,
+                                               R.string.wrongPassPhrase,
+                                               Toast.LENGTH_SHORT).show();
+                                return;
+                            }
+                            keyId = secretKey.getKeyID();
+                        } else {
+                            keyId = Id.key.symmetric;
+                        }
+                        cb.passPhraseCallback(keyId, passPhrase);
+                    }
+                });
+
+        alert.setNegativeButton(android.R.string.cancel,
+                                new DialogInterface.OnClickListener() {
+                                    public void onClick(DialogInterface dialog, int id) {
+                                        activity.removeDialog(Id.dialog.pass_phrase);
+                                    }
+                                });
+
+        return alert.create();
+    }
+}
diff --git a/src/org/thialfihar/android/apg/BaseActivity.java b/src/org/thialfihar/android/apg/BaseActivity.java
index 7fd8752b7..17fe3b0c8 100644
--- a/src/org/thialfihar/android/apg/BaseActivity.java
+++ b/src/org/thialfihar/android/apg/BaseActivity.java
@@ -1,381 +1,381 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import java.io.File;
-
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.app.ProgressDialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.os.Bundle;
-import android.os.Environment;
-import android.os.Handler;
-import android.os.Message;
-import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.TextView;
-import android.widget.Toast;
-
-public class BaseActivity extends Activity
-                          implements Runnable, ProgressDialogUpdater,
-                          AskForSecretKeyPassPhrase.PassPhraseCallbackInterface {
-
-    private ProgressDialog mProgressDialog = null;
-    private Thread mRunningThread = null;
-
-    private long mSecretKeyId = 0;
-    private String mDeleteFile = null;
-
-    protected Preferences mPreferences;
-
-    private Handler mHandler = new Handler() {
-        @Override
-        public void handleMessage(Message msg) {
-            handlerCallback(msg);
-        }
-    };
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        mPreferences = Preferences.getPreferences(this);
-
-        Apg.initialize(this);
-
-        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
-            File dir = new File(Constants.path.app_dir);
-            if (!dir.exists() && !dir.mkdirs()) {
-                // ignore this for now, it's not crucial
-                // that the directory doesn't exist at this point
-            }
-        }
-
-        startCacheService(this, mPreferences);
-    }
-
-    public static void startCacheService(Activity activity, Preferences preferences) {
-        Intent intent = new Intent(activity, Service.class);
-        intent.putExtra(Service.EXTRA_TTL, preferences.getPassPhraseCacheTtl());
-        activity.startService(intent);
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        menu.add(0, Id.menu.option.preferences, 0, R.string.menu_preferences)
-                .setIcon(android.R.drawable.ic_menu_preferences);
-        menu.add(0, Id.menu.option.about, 1, R.string.menu_about)
-                .setIcon(android.R.drawable.ic_menu_info_details);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case Id.menu.option.about: {
-                showDialog(Id.dialog.about);
-                return true;
-            }
-
-            case Id.menu.option.preferences: {
-                startActivity(new Intent(this, PreferencesActivity.class));
-                return true;
-            }
-
-            case Id.menu.option.search: {
-                startSearch("", false, null, false);
-                return true;
-            }
-
-            default: {
-                break;
-            }
-        }
-        return false;
-    }
-
-    @Override
-    protected Dialog onCreateDialog(int id) {
-        // in case it is a progress dialog
-        mProgressDialog = new ProgressDialog(this);
-        mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
-        mProgressDialog.setCancelable(false);
-        switch (id) {
-            case Id.dialog.encrypting: {
-                mProgressDialog.setMessage(this.getString(R.string.progress_initializing));
-                return mProgressDialog;
-            }
-
-            case Id.dialog.decrypting: {
-                mProgressDialog.setMessage(this.getString(R.string.progress_initializing));
-                return mProgressDialog;
-            }
-
-            case Id.dialog.saving: {
-                mProgressDialog.setMessage(this.getString(R.string.progress_saving));
-                return mProgressDialog;
-            }
-
-            case Id.dialog.importing: {
-                mProgressDialog.setMessage(this.getString(R.string.progress_importing));
-                return mProgressDialog;
-            }
-
-            case Id.dialog.exporting: {
-                mProgressDialog.setMessage(this.getString(R.string.progress_exporting));
-                return mProgressDialog;
-            }
-
-            default: {
-                break;
-            }
-        }
-        mProgressDialog = null;
-
-        switch (id) {
-            case Id.dialog.about: {
-                AlertDialog.Builder alert = new AlertDialog.Builder(this);
-
-                alert.setTitle("About " + Apg.getFullVersion(this));
-
-                LayoutInflater inflater =
-                        (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-                View layout = inflater.inflate(R.layout.info, null);
-                TextView message = (TextView) layout.findViewById(R.id.message);
-                message.setText("This is an attempt to bring OpenPGP to Android. " +
-                        "It is far from complete, but more features are planned (see website).\n\n" +
-                        "Feel free to send bug reports, suggestions, feature requests, feedback, " +
-                        "photographs.\n\n" +
-                        "mail: thi@thialfihar.org\n" +
-                        "site: http://apg.thialfihar.org\n\n" +
-                        "This software is provided \"as is\", without warranty of any kind.");
-                alert.setView(layout);
-
-                alert.setPositiveButton(android.R.string.ok,
-                                        new DialogInterface.OnClickListener() {
-                                            public void onClick(DialogInterface dialog, int id) {
-                                                BaseActivity.this.removeDialog(Id.dialog.about);
-                                            }
-                                        });
-
-                return alert.create();
-            }
-
-            case Id.dialog.pass_phrase: {
-                return AskForSecretKeyPassPhrase.createDialog(this, getSecretKeyId(), this);
-            }
-
-            case Id.dialog.pass_phrases_do_not_match: {
-                AlertDialog.Builder alert = new AlertDialog.Builder(this);
-
-                alert.setIcon(android.R.drawable.ic_dialog_alert);
-                alert.setTitle(R.string.error);
-                alert.setMessage(R.string.passPhrasesDoNotMatch);
-
-                alert.setPositiveButton(android.R.string.ok,
-                                        new DialogInterface.OnClickListener() {
-                                            public void onClick(DialogInterface dialog, int id) {
-                                                removeDialog(Id.dialog.pass_phrases_do_not_match);
-                                            }
-                                        });
-                alert.setCancelable(false);
-
-                return alert.create();
-            }
-
-            case Id.dialog.no_pass_phrase: {
-                AlertDialog.Builder alert = new AlertDialog.Builder(this);
-
-                alert.setIcon(android.R.drawable.ic_dialog_alert);
-                alert.setTitle(R.string.error);
-                alert.setMessage(R.string.passPhraseMustNotBeEmpty);
-
-                alert.setPositiveButton(android.R.string.ok,
-                                        new DialogInterface.OnClickListener() {
-                                            public void onClick(DialogInterface dialog, int id) {
-                                                removeDialog(Id.dialog.no_pass_phrase);
-                                            }
-                                        });
-                alert.setCancelable(false);
-
-                return alert.create();
-            }
-
-            case Id.dialog.delete_file: {
-                AlertDialog.Builder alert = new AlertDialog.Builder(this);
-
-                alert.setIcon(android.R.drawable.ic_dialog_alert);
-                alert.setTitle(R.string.warning);
-                alert.setMessage(this.getString(R.string.fileDeleteConfirmation, getDeleteFile()));
-
-                alert.setPositiveButton(android.R.string.ok,
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int id) {
-                                removeDialog(Id.dialog.delete_file);
-                                File file = new File(getDeleteFile());
-                                String msg = "";
-                                if (file.delete()) {
-                                    msg = BaseActivity.this.getString(
-                                            R.string.fileDeleteSuccessful);
-                                } else {
-                                    msg = BaseActivity.this.getString(
-                                            R.string.errorMessage,
-                                            BaseActivity.this.getString(
-                                                    R.string.error_fileDeleteFailed, file));
-                                }
-                                Toast.makeText(BaseActivity.this,
-                                               msg, Toast.LENGTH_SHORT).show();
-                            }
-                        });
-                alert.setNegativeButton(android.R.string.cancel,
-                                        new DialogInterface.OnClickListener() {
-                                            public void onClick(DialogInterface dialog, int id) {
-                                                removeDialog(Id.dialog.delete_file);
-                                            }
-                                        });
-                alert.setCancelable(true);
-
-                return alert.create();
-            }
-
-            default: {
-                break;
-            }
-        }
-
-        return super.onCreateDialog(id);
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        switch (requestCode) {
-            case Id.request.secret_keys: {
-                if (resultCode == RESULT_OK) {
-                    Bundle bundle = data.getExtras();
-                    setSecretKeyId(bundle.getLong(Apg.EXTRA_KEY_ID));
-                } else {
-                    setSecretKeyId(Id.key.none);
-                }
-                break;
-            }
-
-            default: {
-                break;
-            }
-        }
-
-        super.onActivityResult(requestCode, resultCode, data);
-    }
-
-    public void setProgress(int resourceId, int progress, int max) {
-        setProgress(getString(resourceId), progress, max);
-    }
-
-    public void setProgress(int progress, int max) {
-        Message msg = new Message();
-        Bundle data = new Bundle();
-        data.putInt(Apg.EXTRA_STATUS, Id.message.progress_update);
-        data.putInt(Apg.EXTRA_PROGRESS, progress);
-        data.putInt(Apg.EXTRA_MAX, max);
-        msg.setData(data);
-        mHandler.sendMessage(msg);
-    }
-
-    public void setProgress(String message, int progress, int max) {
-        Message msg = new Message();
-        Bundle data = new Bundle();
-        data.putInt(Apg.EXTRA_STATUS, Id.message.progress_update);
-        data.putString(Apg.EXTRA_MESSAGE, message);
-        data.putInt(Apg.EXTRA_PROGRESS, progress);
-        data.putInt(Apg.EXTRA_MAX, max);
-        msg.setData(data);
-        mHandler.sendMessage(msg);
-    }
-
-    public void handlerCallback(Message msg) {
-        Bundle data = msg.getData();
-        if (data == null) {
-            return;
-        }
-
-        int type = data.getInt(Apg.EXTRA_STATUS);
-        switch (type) {
-            case Id.message.progress_update: {
-                String message = data.getString(Apg.EXTRA_MESSAGE);
-                if (mProgressDialog != null) {
-                    if (message != null) {
-                        mProgressDialog.setMessage(message);
-                    }
-                    mProgressDialog.setMax(data.getInt(Apg.EXTRA_MAX));
-                    mProgressDialog.setProgress(data.getInt(Apg.EXTRA_PROGRESS));
-                }
-                break;
-            }
-
-            case Id.message.import_done: // intentionall no break
-            case Id.message.export_done: // intentionall no break
-            case Id.message.done: {
-                mProgressDialog = null;
-                doneCallback(msg);
-                break;
-            }
-        }
-    }
-
-    public void doneCallback(Message msg) {
-
-    }
-
-    public void passPhraseCallback(long keyId, String passPhrase) {
-        Apg.setCachedPassPhrase(keyId, passPhrase);
-    }
-
-    public void sendMessage(Message msg) {
-        mHandler.sendMessage(msg);
-    }
-
-    public void startThread() {
-        mRunningThread = new Thread(this);
-        mRunningThread.start();
-    }
-
-    public void run() {
-
-    }
-
-    public void setSecretKeyId(long id) {
-        mSecretKeyId = id;
-    }
-
-    public long getSecretKeyId() {
-        return mSecretKeyId;
-    }
-
-    protected void setDeleteFile(String deleteFile) {
-        mDeleteFile = deleteFile;
-    }
-
-    protected String getDeleteFile() {
-        return mDeleteFile;
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import java.io.File;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.Message;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class BaseActivity extends Activity
+                          implements Runnable, ProgressDialogUpdater,
+                          AskForSecretKeyPassPhrase.PassPhraseCallbackInterface {
+
+    private ProgressDialog mProgressDialog = null;
+    private Thread mRunningThread = null;
+
+    private long mSecretKeyId = 0;
+    private String mDeleteFile = null;
+
+    protected Preferences mPreferences;
+
+    private Handler mHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            handlerCallback(msg);
+        }
+    };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mPreferences = Preferences.getPreferences(this);
+
+        Apg.initialize(this);
+
+        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+            File dir = new File(Constants.path.app_dir);
+            if (!dir.exists() && !dir.mkdirs()) {
+                // ignore this for now, it's not crucial
+                // that the directory doesn't exist at this point
+            }
+        }
+
+        startCacheService(this, mPreferences);
+    }
+
+    public static void startCacheService(Activity activity, Preferences preferences) {
+        Intent intent = new Intent(activity, Service.class);
+        intent.putExtra(Service.EXTRA_TTL, preferences.getPassPhraseCacheTtl());
+        activity.startService(intent);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        menu.add(0, Id.menu.option.preferences, 0, R.string.menu_preferences)
+                .setIcon(android.R.drawable.ic_menu_preferences);
+        menu.add(0, Id.menu.option.about, 1, R.string.menu_about)
+                .setIcon(android.R.drawable.ic_menu_info_details);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case Id.menu.option.about: {
+                showDialog(Id.dialog.about);
+                return true;
+            }
+
+            case Id.menu.option.preferences: {
+                startActivity(new Intent(this, PreferencesActivity.class));
+                return true;
+            }
+
+            case Id.menu.option.search: {
+                startSearch("", false, null, false);
+                return true;
+            }
+
+            default: {
+                break;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    protected Dialog onCreateDialog(int id) {
+        // in case it is a progress dialog
+        mProgressDialog = new ProgressDialog(this);
+        mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
+        mProgressDialog.setCancelable(false);
+        switch (id) {
+            case Id.dialog.encrypting: {
+                mProgressDialog.setMessage(this.getString(R.string.progress_initializing));
+                return mProgressDialog;
+            }
+
+            case Id.dialog.decrypting: {
+                mProgressDialog.setMessage(this.getString(R.string.progress_initializing));
+                return mProgressDialog;
+            }
+
+            case Id.dialog.saving: {
+                mProgressDialog.setMessage(this.getString(R.string.progress_saving));
+                return mProgressDialog;
+            }
+
+            case Id.dialog.importing: {
+                mProgressDialog.setMessage(this.getString(R.string.progress_importing));
+                return mProgressDialog;
+            }
+
+            case Id.dialog.exporting: {
+                mProgressDialog.setMessage(this.getString(R.string.progress_exporting));
+                return mProgressDialog;
+            }
+
+            default: {
+                break;
+            }
+        }
+        mProgressDialog = null;
+
+        switch (id) {
+            case Id.dialog.about: {
+                AlertDialog.Builder alert = new AlertDialog.Builder(this);
+
+                alert.setTitle("About " + Apg.getFullVersion(this));
+
+                LayoutInflater inflater =
+                        (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+                View layout = inflater.inflate(R.layout.info, null);
+                TextView message = (TextView) layout.findViewById(R.id.message);
+                message.setText("This is an attempt to bring OpenPGP to Android. " +
+                        "It is far from complete, but more features are planned (see website).\n\n" +
+                        "Feel free to send bug reports, suggestions, feature requests, feedback, " +
+                        "photographs.\n\n" +
+                        "mail: thi@thialfihar.org\n" +
+                        "site: http://apg.thialfihar.org\n\n" +
+                        "This software is provided \"as is\", without warranty of any kind.");
+                alert.setView(layout);
+
+                alert.setPositiveButton(android.R.string.ok,
+                                        new DialogInterface.OnClickListener() {
+                                            public void onClick(DialogInterface dialog, int id) {
+                                                BaseActivity.this.removeDialog(Id.dialog.about);
+                                            }
+                                        });
+
+                return alert.create();
+            }
+
+            case Id.dialog.pass_phrase: {
+                return AskForSecretKeyPassPhrase.createDialog(this, getSecretKeyId(), this);
+            }
+
+            case Id.dialog.pass_phrases_do_not_match: {
+                AlertDialog.Builder alert = new AlertDialog.Builder(this);
+
+                alert.setIcon(android.R.drawable.ic_dialog_alert);
+                alert.setTitle(R.string.error);
+                alert.setMessage(R.string.passPhrasesDoNotMatch);
+
+                alert.setPositiveButton(android.R.string.ok,
+                                        new DialogInterface.OnClickListener() {
+                                            public void onClick(DialogInterface dialog, int id) {
+                                                removeDialog(Id.dialog.pass_phrases_do_not_match);
+                                            }
+                                        });
+                alert.setCancelable(false);
+
+                return alert.create();
+            }
+
+            case Id.dialog.no_pass_phrase: {
+                AlertDialog.Builder alert = new AlertDialog.Builder(this);
+
+                alert.setIcon(android.R.drawable.ic_dialog_alert);
+                alert.setTitle(R.string.error);
+                alert.setMessage(R.string.passPhraseMustNotBeEmpty);
+
+                alert.setPositiveButton(android.R.string.ok,
+                                        new DialogInterface.OnClickListener() {
+                                            public void onClick(DialogInterface dialog, int id) {
+                                                removeDialog(Id.dialog.no_pass_phrase);
+                                            }
+                                        });
+                alert.setCancelable(false);
+
+                return alert.create();
+            }
+
+            case Id.dialog.delete_file: {
+                AlertDialog.Builder alert = new AlertDialog.Builder(this);
+
+                alert.setIcon(android.R.drawable.ic_dialog_alert);
+                alert.setTitle(R.string.warning);
+                alert.setMessage(this.getString(R.string.fileDeleteConfirmation, getDeleteFile()));
+
+                alert.setPositiveButton(android.R.string.ok,
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int id) {
+                                removeDialog(Id.dialog.delete_file);
+                                File file = new File(getDeleteFile());
+                                String msg = "";
+                                if (file.delete()) {
+                                    msg = BaseActivity.this.getString(
+                                            R.string.fileDeleteSuccessful);
+                                } else {
+                                    msg = BaseActivity.this.getString(
+                                            R.string.errorMessage,
+                                            BaseActivity.this.getString(
+                                                    R.string.error_fileDeleteFailed, file));
+                                }
+                                Toast.makeText(BaseActivity.this,
+                                               msg, Toast.LENGTH_SHORT).show();
+                            }
+                        });
+                alert.setNegativeButton(android.R.string.cancel,
+                                        new DialogInterface.OnClickListener() {
+                                            public void onClick(DialogInterface dialog, int id) {
+                                                removeDialog(Id.dialog.delete_file);
+                                            }
+                                        });
+                alert.setCancelable(true);
+
+                return alert.create();
+            }
+
+            default: {
+                break;
+            }
+        }
+
+        return super.onCreateDialog(id);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        switch (requestCode) {
+            case Id.request.secret_keys: {
+                if (resultCode == RESULT_OK) {
+                    Bundle bundle = data.getExtras();
+                    setSecretKeyId(bundle.getLong(Apg.EXTRA_KEY_ID));
+                } else {
+                    setSecretKeyId(Id.key.none);
+                }
+                break;
+            }
+
+            default: {
+                break;
+            }
+        }
+
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+
+    public void setProgress(int resourceId, int progress, int max) {
+        setProgress(getString(resourceId), progress, max);
+    }
+
+    public void setProgress(int progress, int max) {
+        Message msg = new Message();
+        Bundle data = new Bundle();
+        data.putInt(Apg.EXTRA_STATUS, Id.message.progress_update);
+        data.putInt(Apg.EXTRA_PROGRESS, progress);
+        data.putInt(Apg.EXTRA_MAX, max);
+        msg.setData(data);
+        mHandler.sendMessage(msg);
+    }
+
+    public void setProgress(String message, int progress, int max) {
+        Message msg = new Message();
+        Bundle data = new Bundle();
+        data.putInt(Apg.EXTRA_STATUS, Id.message.progress_update);
+        data.putString(Apg.EXTRA_MESSAGE, message);
+        data.putInt(Apg.EXTRA_PROGRESS, progress);
+        data.putInt(Apg.EXTRA_MAX, max);
+        msg.setData(data);
+        mHandler.sendMessage(msg);
+    }
+
+    public void handlerCallback(Message msg) {
+        Bundle data = msg.getData();
+        if (data == null) {
+            return;
+        }
+
+        int type = data.getInt(Apg.EXTRA_STATUS);
+        switch (type) {
+            case Id.message.progress_update: {
+                String message = data.getString(Apg.EXTRA_MESSAGE);
+                if (mProgressDialog != null) {
+                    if (message != null) {
+                        mProgressDialog.setMessage(message);
+                    }
+                    mProgressDialog.setMax(data.getInt(Apg.EXTRA_MAX));
+                    mProgressDialog.setProgress(data.getInt(Apg.EXTRA_PROGRESS));
+                }
+                break;
+            }
+
+            case Id.message.import_done: // intentionall no break
+            case Id.message.export_done: // intentionall no break
+            case Id.message.done: {
+                mProgressDialog = null;
+                doneCallback(msg);
+                break;
+            }
+        }
+    }
+
+    public void doneCallback(Message msg) {
+
+    }
+
+    public void passPhraseCallback(long keyId, String passPhrase) {
+        Apg.setCachedPassPhrase(keyId, passPhrase);
+    }
+
+    public void sendMessage(Message msg) {
+        mHandler.sendMessage(msg);
+    }
+
+    public void startThread() {
+        mRunningThread = new Thread(this);
+        mRunningThread.start();
+    }
+
+    public void run() {
+
+    }
+
+    public void setSecretKeyId(long id) {
+        mSecretKeyId = id;
+    }
+
+    public long getSecretKeyId() {
+        return mSecretKeyId;
+    }
+
+    protected void setDeleteFile(String deleteFile) {
+        mDeleteFile = deleteFile;
+    }
+
+    protected String getDeleteFile() {
+        return mDeleteFile;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/CachedPassPhrase.java b/src/org/thialfihar/android/apg/CachedPassPhrase.java
index 74248aee3..92ef708c2 100644
--- a/src/org/thialfihar/android/apg/CachedPassPhrase.java
+++ b/src/org/thialfihar/android/apg/CachedPassPhrase.java
@@ -1,45 +1,45 @@
-package org.thialfihar.android.apg;
-
-public class CachedPassPhrase {
-    public final long timestamp;
-    public final String passPhrase;
-
-    public CachedPassPhrase(long timestamp, String passPhrase) {
-        super();
-        this.timestamp = timestamp;
-        this.passPhrase = passPhrase;
-    }
-
-    public int hashCode() {
-        int hc1 = (int)(this.timestamp & 0xffffffff);
-        int hc2 = (this.passPhrase == null ? 0 : this.passPhrase.hashCode());
-        return (hc1 + hc2) * hc2 + hc1;
-    }
-
-    public boolean equals(Object other) {
-        if (!(other instanceof CachedPassPhrase)) {
-            return false;
-        }
-
-        CachedPassPhrase o = (CachedPassPhrase) other;
-        if (timestamp != o.timestamp) {
-            return false;
-        }
-
-        if (passPhrase != o.passPhrase) {
-            if (passPhrase == null || o.passPhrase == null) {
-                return false;
-            }
-
-            if (!passPhrase.equals(o.passPhrase)) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    public String toString() {
-        return "(" + timestamp + ", *******)";
-    }
-}
+package org.thialfihar.android.apg;
+
+public class CachedPassPhrase {
+    public final long timestamp;
+    public final String passPhrase;
+
+    public CachedPassPhrase(long timestamp, String passPhrase) {
+        super();
+        this.timestamp = timestamp;
+        this.passPhrase = passPhrase;
+    }
+
+    public int hashCode() {
+        int hc1 = (int)(this.timestamp & 0xffffffff);
+        int hc2 = (this.passPhrase == null ? 0 : this.passPhrase.hashCode());
+        return (hc1 + hc2) * hc2 + hc1;
+    }
+
+    public boolean equals(Object other) {
+        if (!(other instanceof CachedPassPhrase)) {
+            return false;
+        }
+
+        CachedPassPhrase o = (CachedPassPhrase) other;
+        if (timestamp != o.timestamp) {
+            return false;
+        }
+
+        if (passPhrase != o.passPhrase) {
+            if (passPhrase == null || o.passPhrase == null) {
+                return false;
+            }
+
+            if (!passPhrase.equals(o.passPhrase)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public String toString() {
+        return "(" + timestamp + ", *******)";
+    }
+}
diff --git a/src/org/thialfihar/android/apg/Constants.java b/src/org/thialfihar/android/apg/Constants.java
index d4b86029d..4e818b0b9 100644
--- a/src/org/thialfihar/android/apg/Constants.java
+++ b/src/org/thialfihar/android/apg/Constants.java
@@ -1,35 +1,35 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import android.os.Environment;
-
-public final class Constants {
-    public static final class path {
-        public static final String app_dir = Environment.getExternalStorageDirectory() + "/APG";
-    }
-
-    public static final class pref {
-        public static final String has_seen_change_log = "seenChangeLogDialog";
-        public static final String default_encryption_algorithm = "defaultEncryptionAlgorithm";
-        public static final String default_hash_algorithm = "defaultHashAlgorithm";
-        public static final String default_ascii_armour = "defaultAsciiArmour";
-        public static final String default_message_compression = "defaultMessageCompression";
-        public static final String default_file_compression = "defaultFileCompression";
-        public static final String pass_phrase_cache_ttl = "passPhraseCacheTtl";
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import android.os.Environment;
+
+public final class Constants {
+    public static final class path {
+        public static final String app_dir = Environment.getExternalStorageDirectory() + "/APG";
+    }
+
+    public static final class pref {
+        public static final String has_seen_change_log = "seenChangeLogDialog";
+        public static final String default_encryption_algorithm = "defaultEncryptionAlgorithm";
+        public static final String default_hash_algorithm = "defaultHashAlgorithm";
+        public static final String default_ascii_armour = "defaultAsciiArmour";
+        public static final String default_message_compression = "defaultMessageCompression";
+        public static final String default_file_compression = "defaultFileCompression";
+        public static final String pass_phrase_cache_ttl = "passPhraseCacheTtl";
+    }
+}
diff --git a/src/org/thialfihar/android/apg/DataDestination.java b/src/org/thialfihar/android/apg/DataDestination.java
index 28cacd7ae..a09154c2d 100644
--- a/src/org/thialfihar/android/apg/DataDestination.java
+++ b/src/org/thialfihar/android/apg/DataDestination.java
@@ -1,79 +1,79 @@
-package org.thialfihar.android.apg;
-
-import java.io.ByteArrayOutputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-
-import org.thialfihar.android.apg.Apg.GeneralException;
-
-import android.content.Context;
-import android.os.Environment;
-
-public class DataDestination {
-    private String mStreamFilename;
-    private String mFilename;
-    private int mMode = Id.mode.undefined;
-
-    public DataDestination() {
-
-    }
-
-    public void setMode(int mode) {
-        mMode = mode;
-    }
-
-    public void setFilename(String filename) {
-        mFilename = filename;
-    }
-
-    public String getStreamFilename() {
-        return mStreamFilename;
-    }
-
-    protected OutputStream getOutputStream(Context context)
-            throws Apg.GeneralException, FileNotFoundException, IOException {
-        OutputStream out = null;
-        mStreamFilename = null;
-
-        switch (mMode) {
-            case Id.mode.stream: {
-                try {
-                    while (true) {
-                        mStreamFilename = Apg.generateRandomString(32);
-                        if (mStreamFilename == null) {
-                            throw new Apg.GeneralException("couldn't generate random file name");
-                        }
-                        context.openFileInput(mStreamFilename).close();
-                    }
-                } catch (FileNotFoundException e) {
-                    // found a name that isn't used yet
-                }
-                out = context.openFileOutput(mStreamFilename, Context.MODE_PRIVATE);
-                break;
-            }
-
-            case Id.mode.byte_array: {
-                out = new ByteArrayOutputStream();
-                break;
-            }
-
-            case Id.mode.file: {
-                if (mFilename.startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())) {
-                    if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
-                        throw new GeneralException(context.getString(R.string.error_externalStorageNotReady));
-                    }
-                }
-                out = new FileOutputStream(mFilename);
-                break;
-            }
-
-            default: {
-                break;
-            }
-        }
-
-        return out;
-    }
-}
+package org.thialfihar.android.apg;
+
+import java.io.ByteArrayOutputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.thialfihar.android.apg.Apg.GeneralException;
+
+import android.content.Context;
+import android.os.Environment;
+
+public class DataDestination {
+    private String mStreamFilename;
+    private String mFilename;
+    private int mMode = Id.mode.undefined;
+
+    public DataDestination() {
+
+    }
+
+    public void setMode(int mode) {
+        mMode = mode;
+    }
+
+    public void setFilename(String filename) {
+        mFilename = filename;
+    }
+
+    public String getStreamFilename() {
+        return mStreamFilename;
+    }
+
+    protected OutputStream getOutputStream(Context context)
+            throws Apg.GeneralException, FileNotFoundException, IOException {
+        OutputStream out = null;
+        mStreamFilename = null;
+
+        switch (mMode) {
+            case Id.mode.stream: {
+                try {
+                    while (true) {
+                        mStreamFilename = Apg.generateRandomString(32);
+                        if (mStreamFilename == null) {
+                            throw new Apg.GeneralException("couldn't generate random file name");
+                        }
+                        context.openFileInput(mStreamFilename).close();
+                    }
+                } catch (FileNotFoundException e) {
+                    // found a name that isn't used yet
+                }
+                out = context.openFileOutput(mStreamFilename, Context.MODE_PRIVATE);
+                break;
+            }
+
+            case Id.mode.byte_array: {
+                out = new ByteArrayOutputStream();
+                break;
+            }
+
+            case Id.mode.file: {
+                if (mFilename.startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())) {
+                    if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+                        throw new GeneralException(context.getString(R.string.error_externalStorageNotReady));
+                    }
+                }
+                out = new FileOutputStream(mFilename);
+                break;
+            }
+
+            default: {
+                break;
+            }
+        }
+
+        return out;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/DataSource.java b/src/org/thialfihar/android/apg/DataSource.java
index 159cdb349..34583ab59 100644
--- a/src/org/thialfihar/android/apg/DataSource.java
+++ b/src/org/thialfihar/android/apg/DataSource.java
@@ -1,88 +1,88 @@
-package org.thialfihar.android.apg;
-
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStream;
-
-import org.thialfihar.android.apg.Apg.GeneralException;
-
-import android.content.Context;
-import android.net.Uri;
-import android.os.Environment;
-
-public class DataSource {
-    private Uri mContentUri = null;
-    private String mText = null;
-    private byte[] mData = null;
-
-    public DataSource() {
-
-    }
-
-    public void setUri(Uri uri) {
-        mContentUri = uri;
-    }
-
-    public void setUri(String uri) {
-        if (uri.startsWith("/")) {
-            setUri(Uri.parse("file://" + uri));
-        } else {
-            setUri(Uri.parse(uri));
-        }
-    }
-
-    public void setText(String text) {
-        mText = text;
-    }
-
-    public void setData(byte[] data) {
-        mData = data;
-    }
-
-    public InputData getInputData(Context context, boolean withSize)
-            throws GeneralException, FileNotFoundException, IOException {
-        InputStream in = null;
-        long size = 0;
-
-        if (mContentUri != null) {
-            if (mContentUri.getScheme().equals("file")) {
-                // get the rest after "file://"
-                String path = mContentUri.toString().substring(6);
-                if (path.startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())) {
-                    if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
-                        throw new GeneralException(context.getString(R.string.error_externalStorageNotReady));
-                    }
-                }
-                in = new FileInputStream(path);
-                File file = new File(path);
-                if (withSize) {
-                    size = file.length();
-                }
-            } else {
-                in = context.getContentResolver().openInputStream(mContentUri);
-                if (withSize) {
-                    InputStream tmp = context.getContentResolver().openInputStream(mContentUri);
-                    size = Apg.getLengthOfStream(tmp);
-                    tmp.close();
-                }
-            }
-        } else if (mText != null || mData != null) {
-            byte[] bytes = null;
-            if (mData != null) {
-                bytes = mData;
-            } else {
-                bytes = mText.getBytes();
-            }
-            in = new ByteArrayInputStream(bytes);
-            if (withSize) {
-                size = bytes.length;
-            }
-        }
-
-        return new InputData(in, size);
-    }
-
-}
+package org.thialfihar.android.apg;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.thialfihar.android.apg.Apg.GeneralException;
+
+import android.content.Context;
+import android.net.Uri;
+import android.os.Environment;
+
+public class DataSource {
+    private Uri mContentUri = null;
+    private String mText = null;
+    private byte[] mData = null;
+
+    public DataSource() {
+
+    }
+
+    public void setUri(Uri uri) {
+        mContentUri = uri;
+    }
+
+    public void setUri(String uri) {
+        if (uri.startsWith("/")) {
+            setUri(Uri.parse("file://" + uri));
+        } else {
+            setUri(Uri.parse(uri));
+        }
+    }
+
+    public void setText(String text) {
+        mText = text;
+    }
+
+    public void setData(byte[] data) {
+        mData = data;
+    }
+
+    public InputData getInputData(Context context, boolean withSize)
+            throws GeneralException, FileNotFoundException, IOException {
+        InputStream in = null;
+        long size = 0;
+
+        if (mContentUri != null) {
+            if (mContentUri.getScheme().equals("file")) {
+                // get the rest after "file://"
+                String path = mContentUri.toString().substring(6);
+                if (path.startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())) {
+                    if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+                        throw new GeneralException(context.getString(R.string.error_externalStorageNotReady));
+                    }
+                }
+                in = new FileInputStream(path);
+                File file = new File(path);
+                if (withSize) {
+                    size = file.length();
+                }
+            } else {
+                in = context.getContentResolver().openInputStream(mContentUri);
+                if (withSize) {
+                    InputStream tmp = context.getContentResolver().openInputStream(mContentUri);
+                    size = Apg.getLengthOfStream(tmp);
+                    tmp.close();
+                }
+            }
+        } else if (mText != null || mData != null) {
+            byte[] bytes = null;
+            if (mData != null) {
+                bytes = mData;
+            } else {
+                bytes = mText.getBytes();
+            }
+            in = new ByteArrayInputStream(bytes);
+            if (withSize) {
+                size = bytes.length;
+            }
+        }
+
+        return new InputData(in, size);
+    }
+
+}
diff --git a/src/org/thialfihar/android/apg/FileDialog.java b/src/org/thialfihar/android/apg/FileDialog.java
index b6bbbf3f1..d717bb0bb 100644
--- a/src/org/thialfihar/android/apg/FileDialog.java
+++ b/src/org/thialfihar/android/apg/FileDialog.java
@@ -1,118 +1,118 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.content.ActivityNotFoundException;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.net.Uri;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.EditText;
-import android.widget.ImageButton;
-import android.widget.Toast;
-
-public class FileDialog {
-    private static EditText mFilename;
-    private static ImageButton mBrowse;
-    private static Activity mActivity;
-    private static String mFileManagerTitle;
-    private static String mFileManagerButton;
-    private static int mRequestCode;
-
-    public static interface OnClickListener {
-        public void onCancelClick();
-        public void onOkClick(String filename);
-    }
-
-    public static AlertDialog build(Activity activity, String title, String message,
-                                    String defaultFile, OnClickListener onClickListener,
-                                    String fileManagerTitle, String fileManagerButton,
-                                    int requestCode) {
-        // TODO: fileManagerTitle and fileManagerButton are deprecated, no use for them right now,
-        // but maybe the Intent now used will someday support them again, so leaving them in
-        LayoutInflater inflater =
-            (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-        AlertDialog.Builder alert = new AlertDialog.Builder(activity);
-
-        alert.setTitle(title);
-        alert.setMessage(message);
-
-        View view = (View) inflater.inflate(R.layout.file_dialog, null);
-
-        mActivity = activity;
-        mFilename = (EditText) view.findViewById(R.id.input);
-        mFilename.setText(defaultFile);
-        mBrowse = (ImageButton) view.findViewById(R.id.btn_browse);
-        mBrowse.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                openFile();
-            }
-        });
-        mFileManagerTitle = fileManagerTitle;
-        mFileManagerButton = fileManagerButton;
-        mRequestCode = requestCode;
-
-        alert.setView(view);
-
-        final OnClickListener clickListener = onClickListener;
-
-        alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
-                                    public void onClick(DialogInterface dialog, int id) {
-                                        clickListener.onOkClick(mFilename.getText().toString());
-                                    }
-                                });
-
-        alert.setNegativeButton(android.R.string.cancel,
-                                new DialogInterface.OnClickListener() {
-                                    public void onClick(DialogInterface dialog, int id) {
-                                        clickListener.onCancelClick();
-                                    }
-                                });
-        return alert.create();
-    }
-
-    public static void setFilename(String filename) {
-        if (mFilename != null) {
-            mFilename.setText(filename);
-        }
-    }
-
-    /**
-     * Opens the file manager to select a file to open.
-     */
-    private static void openFile() {
-        String filename = mFilename.getText().toString();
-
-        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
-        intent.addCategory(Intent.CATEGORY_OPENABLE);
-
-        intent.setData(Uri.parse("file://" + filename));
-        intent.setType("*/*");
-
-        try {
-            mActivity.startActivityForResult(intent, mRequestCode);
-        } catch (ActivityNotFoundException e) {
-            // No compatible file manager was found.
-            Toast.makeText(mActivity, R.string.noFilemanagerInstalled, Toast.LENGTH_SHORT).show();
-        }
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.Toast;
+
+public class FileDialog {
+    private static EditText mFilename;
+    private static ImageButton mBrowse;
+    private static Activity mActivity;
+    private static String mFileManagerTitle;
+    private static String mFileManagerButton;
+    private static int mRequestCode;
+
+    public static interface OnClickListener {
+        public void onCancelClick();
+        public void onOkClick(String filename);
+    }
+
+    public static AlertDialog build(Activity activity, String title, String message,
+                                    String defaultFile, OnClickListener onClickListener,
+                                    String fileManagerTitle, String fileManagerButton,
+                                    int requestCode) {
+        // TODO: fileManagerTitle and fileManagerButton are deprecated, no use for them right now,
+        // but maybe the Intent now used will someday support them again, so leaving them in
+        LayoutInflater inflater =
+            (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        AlertDialog.Builder alert = new AlertDialog.Builder(activity);
+
+        alert.setTitle(title);
+        alert.setMessage(message);
+
+        View view = (View) inflater.inflate(R.layout.file_dialog, null);
+
+        mActivity = activity;
+        mFilename = (EditText) view.findViewById(R.id.input);
+        mFilename.setText(defaultFile);
+        mBrowse = (ImageButton) view.findViewById(R.id.btn_browse);
+        mBrowse.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                openFile();
+            }
+        });
+        mFileManagerTitle = fileManagerTitle;
+        mFileManagerButton = fileManagerButton;
+        mRequestCode = requestCode;
+
+        alert.setView(view);
+
+        final OnClickListener clickListener = onClickListener;
+
+        alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                                    public void onClick(DialogInterface dialog, int id) {
+                                        clickListener.onOkClick(mFilename.getText().toString());
+                                    }
+                                });
+
+        alert.setNegativeButton(android.R.string.cancel,
+                                new DialogInterface.OnClickListener() {
+                                    public void onClick(DialogInterface dialog, int id) {
+                                        clickListener.onCancelClick();
+                                    }
+                                });
+        return alert.create();
+    }
+
+    public static void setFilename(String filename) {
+        if (mFilename != null) {
+            mFilename.setText(filename);
+        }
+    }
+
+    /**
+     * Opens the file manager to select a file to open.
+     */
+    private static void openFile() {
+        String filename = mFilename.getText().toString();
+
+        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
+        intent.addCategory(Intent.CATEGORY_OPENABLE);
+
+        intent.setData(Uri.parse("file://" + filename));
+        intent.setType("*/*");
+
+        try {
+            mActivity.startActivityForResult(intent, mRequestCode);
+        } catch (ActivityNotFoundException e) {
+            // No compatible file manager was found.
+            Toast.makeText(mActivity, R.string.noFilemanagerInstalled, Toast.LENGTH_SHORT).show();
+        }
+    }
+}
diff --git a/src/org/thialfihar/android/apg/GeneralActivity.java b/src/org/thialfihar/android/apg/GeneralActivity.java
index 49cbdcf2a..01bd93f92 100644
--- a/src/org/thialfihar/android/apg/GeneralActivity.java
+++ b/src/org/thialfihar/android/apg/GeneralActivity.java
@@ -1,177 +1,177 @@
-package org.thialfihar.android.apg;
-
-import java.io.ByteArrayInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Vector;
-
-import org.thialfihar.android.apg.utils.Choice;
-
-import android.content.Intent;
-import android.net.Uri;
-import android.os.Bundle;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemClickListener;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.ListView;
-import android.widget.Toast;
-
-public class GeneralActivity extends BaseActivity {
-    private Intent mIntent;
-    private ArrayAdapter<Choice> mAdapter;
-    private ListView mList;
-    private Button mCancelButton;
-    private String mDataString;
-    private Uri mDataUri;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        setContentView(R.layout.general);
-
-        mIntent = getIntent();
-
-        InputStream inStream = null;
-        {
-            String data = mIntent.getStringExtra(Intent.EXTRA_TEXT);
-            if (data != null) {
-                mDataString = data;
-                inStream = new ByteArrayInputStream(data.getBytes());
-            }
-        }
-
-        if (inStream == null) {
-            Uri data = mIntent.getData();
-            if (data != null) {
-                mDataUri = data;
-                try {
-                    inStream = getContentResolver().openInputStream(data);
-                } catch (FileNotFoundException e) {
-                    // didn't work
-                    Toast.makeText(this, "failed to open stream", Toast.LENGTH_SHORT).show();
-                }
-            }
-        }
-
-        if (inStream == null) {
-            Toast.makeText(this, "no data found", Toast.LENGTH_SHORT).show();
-            finish();
-            return;
-        }
-
-        int contentType = Id.content.unknown;
-        try {
-            contentType = Apg.getStreamContent(this, inStream);
-            inStream.close();
-        } catch (IOException e) {
-            // just means that there's no PGP data in there
-        }
-
-        mList = (ListView) findViewById(R.id.options);
-        Vector<Choice> choices = new Vector<Choice>();
-
-        if (contentType == Id.content.keys) {
-            choices.add(new Choice(Id.choice.action.import_public,
-                                   getString(R.string.action_importPublic)));
-            choices.add(new Choice(Id.choice.action.import_secret,
-                                   getString(R.string.action_importSecret)));
-        }
-
-        if (contentType == Id.content.encrypted_data) {
-            choices.add(new Choice(Id.choice.action.decrypt, getString(R.string.action_decrypt)));
-        }
-
-        if (contentType == Id.content.unknown) {
-            choices.add(new Choice(Id.choice.action.encrypt, getString(R.string.action_encrypt)));
-        }
-
-        mAdapter = new ArrayAdapter<Choice>(this, android.R.layout.simple_list_item_1, choices);
-        mList.setAdapter(mAdapter);
-
-        mList.setOnItemClickListener(new OnItemClickListener() {
-            @Override
-            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
-                clicked(mAdapter.getItem(arg2).getId());
-            }
-        });
-
-        mCancelButton = (Button) findViewById(R.id.btn_cancel);
-        mCancelButton.setOnClickListener(new OnClickListener() {
-
-            @Override
-            public void onClick(View v) {
-                GeneralActivity.this.finish();
-            }
-        });
-
-        if (choices.size() == 1) {
-            clicked(choices.get(0).getId());
-        }
-    }
-
-    private void clicked(int id) {
-        Intent intent = new Intent();
-        switch (id) {
-            case Id.choice.action.encrypt: {
-                intent.setClass(this, EncryptActivity.class);
-                if (mDataString != null) {
-                    intent.setAction(Apg.Intent.ENCRYPT);
-                    intent.putExtra(Apg.EXTRA_TEXT, mDataString);
-                } else if (mDataUri != null) {
-                    intent.setAction(Apg.Intent.ENCRYPT_FILE);
-                    intent.setDataAndType(mDataUri, mIntent.getType());
-                }
-
-                break;
-            }
-
-            case Id.choice.action.decrypt: {
-                intent.setClass(this, DecryptActivity.class);
-                if (mDataString != null) {
-                    intent.setAction(Apg.Intent.DECRYPT);
-                    intent.putExtra(Apg.EXTRA_TEXT, mDataString);
-                } else if (mDataUri != null) {
-                    intent.setAction(Apg.Intent.DECRYPT_FILE);
-                    intent.setDataAndType(mDataUri, mIntent.getType());
-                }
-
-                break;
-            }
-
-            case Id.choice.action.import_public: {
-                intent.setClass(this, PublicKeyListActivity.class);
-                intent.setAction(Apg.Intent.IMPORT);
-                if (mDataString != null) {
-                    intent.putExtra(Apg.EXTRA_TEXT, mDataString);
-                } else if (mDataUri != null) {
-                    intent.setDataAndType(mDataUri, mIntent.getType());
-                }
-                break;
-            }
-
-            case Id.choice.action.import_secret: {
-                intent.setClass(this, SecretKeyListActivity.class);
-                intent.setAction(Apg.Intent.IMPORT);
-                if (mDataString != null) {
-                    intent.putExtra(Apg.EXTRA_TEXT, mDataString);
-                } else if (mDataUri != null) {
-                    intent.setDataAndType(mDataUri, mIntent.getType());
-                }
-                break;
-            }
-
-            default: {
-                // shouldn't happen
-                return;
-            }
-        }
-
-        startActivity(intent);
-        finish();
-    }
-}
+package org.thialfihar.android.apg;
+
+import java.io.ByteArrayInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Vector;
+
+import org.thialfihar.android.apg.utils.Choice;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.ListView;
+import android.widget.Toast;
+
+public class GeneralActivity extends BaseActivity {
+    private Intent mIntent;
+    private ArrayAdapter<Choice> mAdapter;
+    private ListView mList;
+    private Button mCancelButton;
+    private String mDataString;
+    private Uri mDataUri;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.general);
+
+        mIntent = getIntent();
+
+        InputStream inStream = null;
+        {
+            String data = mIntent.getStringExtra(Intent.EXTRA_TEXT);
+            if (data != null) {
+                mDataString = data;
+                inStream = new ByteArrayInputStream(data.getBytes());
+            }
+        }
+
+        if (inStream == null) {
+            Uri data = mIntent.getData();
+            if (data != null) {
+                mDataUri = data;
+                try {
+                    inStream = getContentResolver().openInputStream(data);
+                } catch (FileNotFoundException e) {
+                    // didn't work
+                    Toast.makeText(this, "failed to open stream", Toast.LENGTH_SHORT).show();
+                }
+            }
+        }
+
+        if (inStream == null) {
+            Toast.makeText(this, "no data found", Toast.LENGTH_SHORT).show();
+            finish();
+            return;
+        }
+
+        int contentType = Id.content.unknown;
+        try {
+            contentType = Apg.getStreamContent(this, inStream);
+            inStream.close();
+        } catch (IOException e) {
+            // just means that there's no PGP data in there
+        }
+
+        mList = (ListView) findViewById(R.id.options);
+        Vector<Choice> choices = new Vector<Choice>();
+
+        if (contentType == Id.content.keys) {
+            choices.add(new Choice(Id.choice.action.import_public,
+                                   getString(R.string.action_importPublic)));
+            choices.add(new Choice(Id.choice.action.import_secret,
+                                   getString(R.string.action_importSecret)));
+        }
+
+        if (contentType == Id.content.encrypted_data) {
+            choices.add(new Choice(Id.choice.action.decrypt, getString(R.string.action_decrypt)));
+        }
+
+        if (contentType == Id.content.unknown) {
+            choices.add(new Choice(Id.choice.action.encrypt, getString(R.string.action_encrypt)));
+        }
+
+        mAdapter = new ArrayAdapter<Choice>(this, android.R.layout.simple_list_item_1, choices);
+        mList.setAdapter(mAdapter);
+
+        mList.setOnItemClickListener(new OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
+                clicked(mAdapter.getItem(arg2).getId());
+            }
+        });
+
+        mCancelButton = (Button) findViewById(R.id.btn_cancel);
+        mCancelButton.setOnClickListener(new OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                GeneralActivity.this.finish();
+            }
+        });
+
+        if (choices.size() == 1) {
+            clicked(choices.get(0).getId());
+        }
+    }
+
+    private void clicked(int id) {
+        Intent intent = new Intent();
+        switch (id) {
+            case Id.choice.action.encrypt: {
+                intent.setClass(this, EncryptActivity.class);
+                if (mDataString != null) {
+                    intent.setAction(Apg.Intent.ENCRYPT);
+                    intent.putExtra(Apg.EXTRA_TEXT, mDataString);
+                } else if (mDataUri != null) {
+                    intent.setAction(Apg.Intent.ENCRYPT_FILE);
+                    intent.setDataAndType(mDataUri, mIntent.getType());
+                }
+
+                break;
+            }
+
+            case Id.choice.action.decrypt: {
+                intent.setClass(this, DecryptActivity.class);
+                if (mDataString != null) {
+                    intent.setAction(Apg.Intent.DECRYPT);
+                    intent.putExtra(Apg.EXTRA_TEXT, mDataString);
+                } else if (mDataUri != null) {
+                    intent.setAction(Apg.Intent.DECRYPT_FILE);
+                    intent.setDataAndType(mDataUri, mIntent.getType());
+                }
+
+                break;
+            }
+
+            case Id.choice.action.import_public: {
+                intent.setClass(this, PublicKeyListActivity.class);
+                intent.setAction(Apg.Intent.IMPORT);
+                if (mDataString != null) {
+                    intent.putExtra(Apg.EXTRA_TEXT, mDataString);
+                } else if (mDataUri != null) {
+                    intent.setDataAndType(mDataUri, mIntent.getType());
+                }
+                break;
+            }
+
+            case Id.choice.action.import_secret: {
+                intent.setClass(this, SecretKeyListActivity.class);
+                intent.setAction(Apg.Intent.IMPORT);
+                if (mDataString != null) {
+                    intent.putExtra(Apg.EXTRA_TEXT, mDataString);
+                } else if (mDataUri != null) {
+                    intent.setDataAndType(mDataUri, mIntent.getType());
+                }
+                break;
+            }
+
+            default: {
+                // shouldn't happen
+                return;
+            }
+        }
+
+        startActivity(intent);
+        finish();
+    }
+}
diff --git a/src/org/thialfihar/android/apg/Id.java b/src/org/thialfihar/android/apg/Id.java
index bc8b7e443..9ff484271 100644
--- a/src/org/thialfihar/android/apg/Id.java
+++ b/src/org/thialfihar/android/apg/Id.java
@@ -1,155 +1,155 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import org.bouncycastle2.bcpg.CompressionAlgorithmTags;
-
-public final class Id {
-    public static final class menu {
-        public static final int export = 0x21070001;
-        public static final int delete = 0x21070002;
-        public static final int edit = 0x21070003;
-
-        public static final class option {
-            public static final int new_pass_phrase = 0x21070001;
-            public static final int create = 0x21070002;
-            public static final int about = 0x21070003;
-            public static final int manage_public_keys = 0x21070004;
-            public static final int manage_secret_keys = 0x21070005;
-            public static final int import_keys = 0x21070006;
-            public static final int export_keys = 0x21070007;
-            public static final int preferences = 0x21070008;
-            public static final int search = 0x21070009;
-        }
-    }
-
-    public static final class message {
-        public static final int progress_update = 0x21070001;
-        public static final int done = 0x21070002;
-        public static final int import_keys = 0x21070003;
-        public static final int export_keys = 0x21070004;
-        public static final int import_done = 0x21070005;
-        public static final int export_done = 0x21070006;
-        public static final int create_key = 0x21070007;
-        public static final int edit_key = 0x21070008;
-    }
-
-    public static final class request {
-        public static final int public_keys = 0x21070001;
-        public static final int secret_keys = 0x21070002;
-        public static final int filename = 0x21070003;
-        public static final int output_filename = 0x21070004;
-    }
-
-    public static final class dialog {
-        public static final int pass_phrase = 0x21070001;
-        public static final int encrypting = 0x21070002;
-        public static final int decrypting = 0x21070003;
-        public static final int new_pass_phrase = 0x21070004;
-        public static final int pass_phrases_do_not_match = 0x21070005;
-        public static final int no_pass_phrase = 0x21070006;
-        public static final int saving = 0x21070007;
-        public static final int delete_key = 0x21070008;
-        public static final int import_keys = 0x21070009;
-        public static final int importing = 0x2107000a;
-        public static final int export_key = 0x2107000b;
-        public static final int export_keys = 0x2107000c;
-        public static final int exporting = 0x2107000d;
-        public static final int new_account = 0x2107000e;
-        public static final int about = 0x2107000f;
-        public static final int change_log = 0x21070010;
-        public static final int output_filename = 0x21070011;
-        public static final int delete_file = 0x21070012;
-    }
-
-    public static final class task {
-        public static final int import_keys = 0x21070001;
-        public static final int export_keys = 0x21070002;
-    }
-
-    public static final class database {
-        public static final int type_public = 0;
-        public static final int type_secret = 1;
-    }
-
-    public static final class type {
-        public static final int public_key = 0x21070001;
-        public static final int secret_key = 0x21070002;
-        public static final int user_id = 0x21070003;
-        public static final int key = 0x21070004;
-    }
-
-    public static final class choice {
-        public static final class algorithm {
-            public static final int dsa = 0x21070001;
-            public static final int elgamal = 0x21070002;
-            public static final int rsa = 0x21070003;
-        }
-
-        public static final class compression {
-            public static final int none = 0x21070001;
-            public static final int zlib = CompressionAlgorithmTags.ZLIB;
-            public static final int bzip2 = CompressionAlgorithmTags.BZIP2;
-            public static final int zip = CompressionAlgorithmTags.ZIP;
-        }
-
-        public static final class usage {
-            public static final int sign_only = 0x21070001;
-            public static final int encrypt_only = 0x21070002;
-            public static final int sign_and_encrypt = 0x21070003;
-        }
-
-        public static final class action {
-            public static final int encrypt = 0x21070001;
-            public static final int decrypt = 0x21070002;
-            public static final int import_public = 0x21070003;
-            public static final int import_secret = 0x21070004;
-        }
-    }
-
-    public static final class return_value {
-        public static final int ok = 0;
-        public static final int error = -1;
-        public static final int no_master_key = -2;
-        public static final int updated = 1;
-    }
-
-    public static final class target {
-        public static final int clipboard = 0x21070001;
-        public static final int email = 0x21070002;
-        public static final int file = 0x21070003;
-        public static final int message = 0x21070004;
-    }
-
-    public static final class mode {
-        public static final int undefined = 0x21070001;
-        public static final int byte_array = 0x21070002;
-        public static final int file = 0x21070003;
-        public static final int stream = 0x21070004;
-    }
-
-    public static final class key {
-        public static final int none = 0;
-        public static final int symmetric = -1;
-    }
-
-    public static final class content {
-        public static final int unknown = 0;
-        public static final int encrypted_data = 1;
-        public static final int keys = 2;
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import org.bouncycastle2.bcpg.CompressionAlgorithmTags;
+
+public final class Id {
+    public static final class menu {
+        public static final int export = 0x21070001;
+        public static final int delete = 0x21070002;
+        public static final int edit = 0x21070003;
+
+        public static final class option {
+            public static final int new_pass_phrase = 0x21070001;
+            public static final int create = 0x21070002;
+            public static final int about = 0x21070003;
+            public static final int manage_public_keys = 0x21070004;
+            public static final int manage_secret_keys = 0x21070005;
+            public static final int import_keys = 0x21070006;
+            public static final int export_keys = 0x21070007;
+            public static final int preferences = 0x21070008;
+            public static final int search = 0x21070009;
+        }
+    }
+
+    public static final class message {
+        public static final int progress_update = 0x21070001;
+        public static final int done = 0x21070002;
+        public static final int import_keys = 0x21070003;
+        public static final int export_keys = 0x21070004;
+        public static final int import_done = 0x21070005;
+        public static final int export_done = 0x21070006;
+        public static final int create_key = 0x21070007;
+        public static final int edit_key = 0x21070008;
+    }
+
+    public static final class request {
+        public static final int public_keys = 0x21070001;
+        public static final int secret_keys = 0x21070002;
+        public static final int filename = 0x21070003;
+        public static final int output_filename = 0x21070004;
+    }
+
+    public static final class dialog {
+        public static final int pass_phrase = 0x21070001;
+        public static final int encrypting = 0x21070002;
+        public static final int decrypting = 0x21070003;
+        public static final int new_pass_phrase = 0x21070004;
+        public static final int pass_phrases_do_not_match = 0x21070005;
+        public static final int no_pass_phrase = 0x21070006;
+        public static final int saving = 0x21070007;
+        public static final int delete_key = 0x21070008;
+        public static final int import_keys = 0x21070009;
+        public static final int importing = 0x2107000a;
+        public static final int export_key = 0x2107000b;
+        public static final int export_keys = 0x2107000c;
+        public static final int exporting = 0x2107000d;
+        public static final int new_account = 0x2107000e;
+        public static final int about = 0x2107000f;
+        public static final int change_log = 0x21070010;
+        public static final int output_filename = 0x21070011;
+        public static final int delete_file = 0x21070012;
+    }
+
+    public static final class task {
+        public static final int import_keys = 0x21070001;
+        public static final int export_keys = 0x21070002;
+    }
+
+    public static final class database {
+        public static final int type_public = 0;
+        public static final int type_secret = 1;
+    }
+
+    public static final class type {
+        public static final int public_key = 0x21070001;
+        public static final int secret_key = 0x21070002;
+        public static final int user_id = 0x21070003;
+        public static final int key = 0x21070004;
+    }
+
+    public static final class choice {
+        public static final class algorithm {
+            public static final int dsa = 0x21070001;
+            public static final int elgamal = 0x21070002;
+            public static final int rsa = 0x21070003;
+        }
+
+        public static final class compression {
+            public static final int none = 0x21070001;
+            public static final int zlib = CompressionAlgorithmTags.ZLIB;
+            public static final int bzip2 = CompressionAlgorithmTags.BZIP2;
+            public static final int zip = CompressionAlgorithmTags.ZIP;
+        }
+
+        public static final class usage {
+            public static final int sign_only = 0x21070001;
+            public static final int encrypt_only = 0x21070002;
+            public static final int sign_and_encrypt = 0x21070003;
+        }
+
+        public static final class action {
+            public static final int encrypt = 0x21070001;
+            public static final int decrypt = 0x21070002;
+            public static final int import_public = 0x21070003;
+            public static final int import_secret = 0x21070004;
+        }
+    }
+
+    public static final class return_value {
+        public static final int ok = 0;
+        public static final int error = -1;
+        public static final int no_master_key = -2;
+        public static final int updated = 1;
+    }
+
+    public static final class target {
+        public static final int clipboard = 0x21070001;
+        public static final int email = 0x21070002;
+        public static final int file = 0x21070003;
+        public static final int message = 0x21070004;
+    }
+
+    public static final class mode {
+        public static final int undefined = 0x21070001;
+        public static final int byte_array = 0x21070002;
+        public static final int file = 0x21070003;
+        public static final int stream = 0x21070004;
+    }
+
+    public static final class key {
+        public static final int none = 0;
+        public static final int symmetric = -1;
+    }
+
+    public static final class content {
+        public static final int unknown = 0;
+        public static final int encrypted_data = 1;
+        public static final int keys = 2;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/InputData.java b/src/org/thialfihar/android/apg/InputData.java
index cf49f1c33..49f66d5b6 100644
--- a/src/org/thialfihar/android/apg/InputData.java
+++ b/src/org/thialfihar/android/apg/InputData.java
@@ -1,25 +1,25 @@
-package org.thialfihar.android.apg;
-
-import java.io.InputStream;
-
-public class InputData {
-    private PositionAwareInputStream mInputStream;
-    private long mSize;
-
-    InputData(InputStream inputStream, long size) {
-        mInputStream = new PositionAwareInputStream(inputStream);
-        mSize = size;
-    }
-
-    public InputStream getInputStream() {
-        return mInputStream;
-    }
-
-    public long getSize() {
-        return mSize;
-    }
-
-    public long getStreamPosition() {
-        return mInputStream.position();
-    }
-}
+package org.thialfihar.android.apg;
+
+import java.io.InputStream;
+
+public class InputData {
+    private PositionAwareInputStream mInputStream;
+    private long mSize;
+
+    InputData(InputStream inputStream, long size) {
+        mInputStream = new PositionAwareInputStream(inputStream);
+        mSize = size;
+    }
+
+    public InputStream getInputStream() {
+        return mInputStream;
+    }
+
+    public long getSize() {
+        return mSize;
+    }
+
+    public long getStreamPosition() {
+        return mInputStream.position();
+    }
+}
diff --git a/src/org/thialfihar/android/apg/IntegerListPreference.java b/src/org/thialfihar/android/apg/IntegerListPreference.java
index 26a58afd5..0c5a643ef 100644
--- a/src/org/thialfihar/android/apg/IntegerListPreference.java
+++ b/src/org/thialfihar/android/apg/IntegerListPreference.java
@@ -1,95 +1,95 @@
-/*
- * Copyright 2010 Google Inc.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package org.thialfihar.android.apg;
-
-import android.content.Context;
-import android.preference.ListPreference;
-import android.util.AttributeSet;
-
-/**
- * A list preference which persists its values as integers instead of strings.
- * Code reading the values should use
- * {@link android.content.SharedPreferences#getInt}.
- * When using XML-declared arrays for entry values, the arrays should be regular
- * string arrays containing valid integer values.
- *
- * @author Rodrigo Damazio
- */
-public class IntegerListPreference extends ListPreference {
-
-  public IntegerListPreference(Context context) {
-    super(context);
-
-    verifyEntryValues(null);
-  }
-
-  public IntegerListPreference(Context context, AttributeSet attrs) {
-    super(context, attrs);
-
-    verifyEntryValues(null);
-  }
-
-  @Override
-  public void setEntryValues(CharSequence[] entryValues) {
-    CharSequence[] oldValues = getEntryValues();
-    super.setEntryValues(entryValues);
-    verifyEntryValues(oldValues);
-  }
-
-  @Override
-  public void setEntryValues(int entryValuesResId) {
-    CharSequence[] oldValues = getEntryValues();
-    super.setEntryValues(entryValuesResId);
-    verifyEntryValues(oldValues);
-  }
-
-  @Override
-  protected String getPersistedString(String defaultReturnValue) {
-    // During initial load, there's no known default value
-    int defaultIntegerValue = Integer.MIN_VALUE;
-    if (defaultReturnValue != null) {
-      defaultIntegerValue = Integer.parseInt(defaultReturnValue);
-    }
-
-    // When the list preference asks us to read a string, instead read an
-    // integer.
-    int value = getPersistedInt(defaultIntegerValue);
-    return Integer.toString(value);
-  }
-
-  @Override
-  protected boolean persistString(String value) {
-    // When asked to save a string, instead save an integer
-    return persistInt(Integer.parseInt(value));
-  }
-
-  private void verifyEntryValues(CharSequence[] oldValues) {
-    CharSequence[] entryValues = getEntryValues();
-    if (entryValues == null) {
-      return;
-    }
-
-    for (CharSequence entryValue : entryValues) {
-      try {
-        Integer.parseInt(entryValue.toString());
-      } catch (NumberFormatException nfe) {
-        super.setEntryValues(oldValues);
-        throw nfe;
-      }
-    }
-  }
-}
+/*
+ * Copyright 2010 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import android.content.Context;
+import android.preference.ListPreference;
+import android.util.AttributeSet;
+
+/**
+ * A list preference which persists its values as integers instead of strings.
+ * Code reading the values should use
+ * {@link android.content.SharedPreferences#getInt}.
+ * When using XML-declared arrays for entry values, the arrays should be regular
+ * string arrays containing valid integer values.
+ *
+ * @author Rodrigo Damazio
+ */
+public class IntegerListPreference extends ListPreference {
+
+  public IntegerListPreference(Context context) {
+    super(context);
+
+    verifyEntryValues(null);
+  }
+
+  public IntegerListPreference(Context context, AttributeSet attrs) {
+    super(context, attrs);
+
+    verifyEntryValues(null);
+  }
+
+  @Override
+  public void setEntryValues(CharSequence[] entryValues) {
+    CharSequence[] oldValues = getEntryValues();
+    super.setEntryValues(entryValues);
+    verifyEntryValues(oldValues);
+  }
+
+  @Override
+  public void setEntryValues(int entryValuesResId) {
+    CharSequence[] oldValues = getEntryValues();
+    super.setEntryValues(entryValuesResId);
+    verifyEntryValues(oldValues);
+  }
+
+  @Override
+  protected String getPersistedString(String defaultReturnValue) {
+    // During initial load, there's no known default value
+    int defaultIntegerValue = Integer.MIN_VALUE;
+    if (defaultReturnValue != null) {
+      defaultIntegerValue = Integer.parseInt(defaultReturnValue);
+    }
+
+    // When the list preference asks us to read a string, instead read an
+    // integer.
+    int value = getPersistedInt(defaultIntegerValue);
+    return Integer.toString(value);
+  }
+
+  @Override
+  protected boolean persistString(String value) {
+    // When asked to save a string, instead save an integer
+    return persistInt(Integer.parseInt(value));
+  }
+
+  private void verifyEntryValues(CharSequence[] oldValues) {
+    CharSequence[] entryValues = getEntryValues();
+    if (entryValues == null) {
+      return;
+    }
+
+    for (CharSequence entryValue : entryValues) {
+      try {
+        Integer.parseInt(entryValue.toString());
+      } catch (NumberFormatException nfe) {
+        super.setEntryValues(oldValues);
+        throw nfe;
+      }
+    }
+  }
+}
diff --git a/src/org/thialfihar/android/apg/KeyListActivity.java b/src/org/thialfihar/android/apg/KeyListActivity.java
index 26c744f33..fc074e75d 100644
--- a/src/org/thialfihar/android/apg/KeyListActivity.java
+++ b/src/org/thialfihar/android/apg/KeyListActivity.java
@@ -1,762 +1,762 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.Vector;
-
-import org.bouncycastle2.openpgp.PGPException;
-import org.bouncycastle2.openpgp.PGPPublicKeyRing;
-import org.bouncycastle2.openpgp.PGPSecretKeyRing;
-import org.thialfihar.android.apg.provider.KeyRings;
-import org.thialfihar.android.apg.provider.Keys;
-import org.thialfihar.android.apg.provider.UserIds;
-
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.app.SearchManager;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteQueryBuilder;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Message;
-import android.view.LayoutInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.widget.BaseExpandableListAdapter;
-import android.widget.Button;
-import android.widget.ExpandableListView;
-import android.widget.ExpandableListView.ExpandableListContextMenuInfo;
-import android.widget.ImageView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-public class KeyListActivity extends BaseActivity {
-    protected ExpandableListView mList;
-    protected KeyListAdapter mListAdapter;
-    protected View mFilterLayout;
-    protected Button mClearFilterButton;
-    protected TextView mFilterInfo;
-
-    protected int mSelectedItem = -1;
-    protected int mTask = 0;
-
-    protected String mImportFilename = Constants.path.app_dir + "/";
-    protected String mExportFilename = Constants.path.app_dir + "/";
-
-    protected String mImportData;
-
-    protected int mKeyType = Id.type.public_key;
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.key_list);
-
-        setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
-
-        mList = (ExpandableListView) findViewById(R.id.list);
-        registerForContextMenu(mList);
-
-        mFilterLayout = (View) findViewById(R.id.layout_filter);
-        mFilterInfo = (TextView) mFilterLayout.findViewById(R.id.filterInfo);
-        mClearFilterButton = (Button) mFilterLayout.findViewById(R.id.btn_clear);
-
-        mClearFilterButton.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                handleIntent(new Intent());
-            }
-        });
-
-        handleIntent(getIntent());
-
-        Intent intent = getIntent();
-        if (Apg.Intent.IMPORT.equals(intent.getAction())) {
-            if ("file".equals(intent.getScheme()) && intent.getDataString() != null) {
-                mImportFilename = intent.getDataString().replace("file://", "");
-            } else {
-                mImportData = intent.getStringExtra(Apg.EXTRA_TEXT);
-            }
-            importKeys();
-        }
-    }
-
-    @Override
-    protected void onNewIntent(Intent intent) {
-        super.onNewIntent(intent);
-        handleIntent(intent);
-    }
-
-    private void handleIntent(Intent intent) {
-        String searchString = null;
-        if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
-            searchString = intent.getStringExtra(SearchManager.QUERY);
-            if (searchString != null && searchString.trim().length() == 0) {
-                searchString = null;
-            }
-        }
-
-        if (searchString == null) {
-            mFilterLayout.setVisibility(View.GONE);
-        } else {
-            mFilterLayout.setVisibility(View.VISIBLE);
-            mFilterInfo.setText(getString(R.string.filterInfo, searchString));
-        }
-
-        if (mListAdapter != null) {
-            mListAdapter.cleanup();
-        }
-        mListAdapter = new KeyListAdapter(this, searchString);
-        mList.setAdapter(mListAdapter);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case Id.menu.option.import_keys: {
-                showDialog(Id.dialog.import_keys);
-                return true;
-            }
-
-            case Id.menu.option.export_keys: {
-                showDialog(Id.dialog.export_keys);
-                return true;
-            }
-
-            default: {
-                return super.onOptionsItemSelected(item);
-            }
-        }
-    }
-
-    @Override
-    public boolean onContextItemSelected(MenuItem menuItem) {
-        ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) menuItem.getMenuInfo();
-        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
-        int groupPosition = ExpandableListView.getPackedPositionGroup(info.packedPosition);
-
-        if (type != ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
-            return super.onContextItemSelected(menuItem);
-        }
-
-        switch (menuItem.getItemId()) {
-            case Id.menu.export: {
-                mSelectedItem = groupPosition;
-                showDialog(Id.dialog.export_key);
-                return true;
-            }
-
-            case Id.menu.delete: {
-                mSelectedItem = groupPosition;
-                showDialog(Id.dialog.delete_key);
-                return true;
-            }
-
-            default: {
-                return super.onContextItemSelected(menuItem);
-            }
-        }
-    }
-
-    @Override
-    protected Dialog onCreateDialog(int id) {
-        boolean singleKeyExport = false;
-
-        switch (id) {
-            case Id.dialog.delete_key: {
-                final int keyRingId = mListAdapter.getKeyRingId(mSelectedItem);
-                mSelectedItem = -1;
-                // TODO: better way to do this?
-                String userId = "<unknown>";
-                Object keyRing = Apg.getKeyRing(keyRingId);
-                if (keyRing != null) {
-                    if (keyRing instanceof PGPPublicKeyRing) {
-                        userId = Apg.getMainUserIdSafe(this, Apg.getMasterKey((PGPPublicKeyRing) keyRing));
-                    } else {
-                        userId = Apg.getMainUserIdSafe(this, Apg.getMasterKey((PGPSecretKeyRing) keyRing));
-                    }
-                }
-
-                AlertDialog.Builder builder = new AlertDialog.Builder(this);
-                builder.setTitle(R.string.warning);
-                builder.setMessage(getString(mKeyType == Id.type.public_key ?
-                                                 R.string.keyDeletionConfirmation :
-                                                 R.string.secretKeyDeletionConfirmation, userId));
-                builder.setIcon(android.R.drawable.ic_dialog_alert);
-                builder.setPositiveButton(R.string.btn_delete,
-                                          new DialogInterface.OnClickListener() {
-                                              public void onClick(DialogInterface dialog, int id) {
-                                                  deleteKey(keyRingId);
-                                                  removeDialog(Id.dialog.delete_key);
-                                              }
-                                          });
-                builder.setNegativeButton(android.R.string.cancel,
-                                          new DialogInterface.OnClickListener() {
-                                              public void onClick(DialogInterface dialog, int id) {
-                                                  removeDialog(Id.dialog.delete_key);
-                                              }
-                                          });
-                return builder.create();
-            }
-
-            case Id.dialog.import_keys: {
-                return FileDialog.build(this, getString(R.string.title_importKeys),
-                                        getString(R.string.specifyFileToImportFrom),
-                                        mImportFilename,
-                                        new FileDialog.OnClickListener() {
-
-                                            @Override
-                                            public void onOkClick(String filename) {
-                                                removeDialog(Id.dialog.import_keys);
-                                                mImportFilename = filename;
-                                                importKeys();
-                                            }
-
-                                            @Override
-                                            public void onCancelClick() {
-                                                removeDialog(Id.dialog.import_keys);
-                                            }
-                                        },
-                                        getString(R.string.filemanager_titleOpen),
-                                        getString(R.string.filemanager_btnOpen),
-                                        Id.request.filename);
-            }
-
-            case Id.dialog.export_key: {
-                singleKeyExport = true;
-                // break intentionally omitted, to use the Id.dialog.export_keys dialog
-            }
-
-            case Id.dialog.export_keys: {
-                String title = (singleKeyExport ?
-                                    getString(R.string.title_exportKey) :
-                                    getString(R.string.title_exportKeys));
-
-                final int thisDialogId = (singleKeyExport ? Id.dialog.export_key : Id.dialog.export_keys);
-
-                return FileDialog.build(this, title,
-                                        getString(mKeyType == Id.type.public_key ?
-                                                      R.string.specifyFileToExportTo :
-                                                      R.string.specifyFileToExportSecretKeysTo),
-                                        mExportFilename,
-                                        new FileDialog.OnClickListener() {
-                                            @Override
-                                            public void onOkClick(String filename) {
-                                                removeDialog(thisDialogId);
-                                                mExportFilename = filename;
-                                                exportKeys();
-                                            }
-
-                                            @Override
-                                            public void onCancelClick() {
-                                                removeDialog(thisDialogId);
-                                            }
-                                        },
-                                        getString(R.string.filemanager_titleSave),
-                                        getString(R.string.filemanager_btnSave),
-                                        Id.request.filename);
-            }
-
-            default: {
-                return super.onCreateDialog(id);
-            }
-        }
-    }
-
-    public void importKeys() {
-        showDialog(Id.dialog.importing);
-        mTask = Id.task.import_keys;
-        startThread();
-    }
-
-    public void exportKeys() {
-        showDialog(Id.dialog.exporting);
-        mTask = Id.task.export_keys;
-        startThread();
-    }
-
-    @Override
-    public void run() {
-        String error = null;
-        Bundle data = new Bundle();
-        Message msg = new Message();
-
-        try {
-            InputStream importInputStream = null;
-            OutputStream exportOutputStream = null;
-            long size = 0;
-            if (mTask == Id.task.import_keys) {
-                if (mImportData != null) {
-                    byte[] bytes = mImportData.getBytes();
-                    size = bytes.length;
-                    importInputStream = new ByteArrayInputStream(bytes);
-                } else {
-                    File file = new File(mImportFilename);
-                    size = file.length();
-                    importInputStream = new FileInputStream(file);
-                }
-            } else {
-                exportOutputStream = new FileOutputStream(mExportFilename);
-            }
-
-            if (mTask == Id.task.import_keys) {
-                data = Apg.importKeyRings(this, mKeyType, new InputData(importInputStream, size), this);
-            } else {
-                Vector<Integer> keyRingIds = new Vector<Integer>();
-                if (mSelectedItem == -1) {
-                    keyRingIds = Apg.getKeyRingIds(mKeyType == Id.type.public_key ?
-                                                       Id.database.type_public :
-                                                       Id.database.type_secret);
-                } else {
-                    int keyRingId = mListAdapter.getKeyRingId(mSelectedItem);
-                    keyRingIds.add(keyRingId);
-                    mSelectedItem = -1;
-                }
-                data = Apg.exportKeyRings(this, keyRingIds, exportOutputStream, this);
-            }
-        } catch (FileNotFoundException e) {
-            error = getString(R.string.error_fileNotFound);
-        } catch (IOException e) {
-            error = "" + e;
-        } catch (PGPException e) {
-            error = "" + e;
-        } catch (Apg.GeneralException e) {
-            error = "" + e;
-        }
-
-        mImportData = null;
-
-        if (mTask == Id.task.import_keys) {
-            data.putInt(Apg.EXTRA_STATUS, Id.message.import_done);
-        } else {
-            data.putInt(Apg.EXTRA_STATUS, Id.message.export_done);
-        }
-
-        if (error != null) {
-            data.putString(Apg.EXTRA_ERROR, error);
-        }
-
-        msg.setData(data);
-        sendMessage(msg);
-    }
-
-    protected void deleteKey(int keyRingId) {
-        Apg.deleteKey(keyRingId);
-        refreshList();
-    }
-
-    protected void refreshList() {
-        mListAdapter.rebuild(true);
-        mListAdapter.notifyDataSetChanged();
-    }
-
-    @Override
-    public void doneCallback(Message msg) {
-        super.doneCallback(msg);
-
-        Bundle data = msg.getData();
-        if (data != null) {
-            int type = data.getInt(Apg.EXTRA_STATUS);
-            switch (type) {
-                case Id.message.import_done: {
-                    removeDialog(Id.dialog.importing);
-
-                    String error = data.getString(Apg.EXTRA_ERROR);
-                    if (error != null) {
-                        Toast.makeText(KeyListActivity.this,
-                                       getString(R.string.errorMessage, error),
-                                       Toast.LENGTH_SHORT).show();
-                    } else {
-                        int added = data.getInt("added");
-                        int updated = data.getInt("updated");
-                        String message;
-                        if (added > 0 && updated > 0) {
-                            message = getString(R.string.keysAddedAndUpdated, added, updated);
-                        } else if (added > 0) {
-                            message = getString(R.string.keysAdded, added);
-                        } else if (updated > 0) {
-                            message = getString(R.string.keysUpdated, updated);
-                        } else {
-                            message = getString(R.string.noKeysAddedOrUpdated);
-                        }
-                        Toast.makeText(KeyListActivity.this, message,
-                                       Toast.LENGTH_SHORT).show();
-                    }
-                    refreshList();
-                    break;
-                }
-
-                case Id.message.export_done: {
-                    removeDialog(Id.dialog.exporting);
-
-                    String error = data.getString(Apg.EXTRA_ERROR);
-                    if (error != null) {
-                        Toast.makeText(KeyListActivity.this,
-                                       getString(R.string.errorMessage, error),
-                                       Toast.LENGTH_SHORT).show();
-                    } else {
-                        int exported = data.getInt("exported");
-                        String message;
-                        if (exported == 1) {
-                            message = getString(R.string.keyExported);
-                        } else if (exported > 0) {
-                            message = getString(R.string.keysExported, exported);
-                        } else{
-                            message = getString(R.string.noKeysExported);
-                        }
-                        Toast.makeText(KeyListActivity.this, message,
-                                       Toast.LENGTH_SHORT).show();
-                    }
-                    break;
-                }
-
-                default: {
-                    break;
-                }
-            }
-        }
-    }
-
-    protected class KeyListAdapter extends BaseExpandableListAdapter {
-        private LayoutInflater mInflater;
-        private Vector<Vector<KeyChild>> mChildren;
-        private SQLiteDatabase mDatabase;
-        private Cursor mCursor;
-        private String mSearchString;
-
-        private class KeyChild {
-            public static final int KEY = 0;
-            public static final int USER_ID = 1;
-
-            public int type;
-            public String userId;
-            public long keyId;
-            public boolean isMasterKey;
-            public int algorithm;
-            public int keySize;
-            public boolean canSign;
-            public boolean canEncrypt;
-
-            public KeyChild(long keyId, boolean isMasterKey, int algorithm, int keySize,
-                            boolean canSign, boolean canEncrypt) {
-                this.keyId = keyId;
-                this.isMasterKey = isMasterKey;
-                this.algorithm = algorithm;
-                this.keySize = keySize;
-                this.canSign = canSign;
-                this.canEncrypt = canEncrypt;
-            }
-
-            public KeyChild(String userId) {
-                type = USER_ID;
-                this.userId = userId;
-            }
-        }
-
-        public KeyListAdapter(Context context, String searchString) {
-            mSearchString = searchString;
-
-            mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-            mDatabase = Apg.getDatabase().db();
-            SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
-            qb.setTables(KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " +
-                                          "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
-                                          Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + " AND " +
-                                          Keys.TABLE_NAME + "." + Keys.IS_MASTER_KEY + " = '1'" +
-                                          ") " +
-                                          " INNER JOIN " + UserIds.TABLE_NAME + " ON " +
-                                          "(" + Keys.TABLE_NAME + "." + Keys._ID + " = " +
-                                          UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " AND " +
-                                          UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0')");
-
-            if (searchString != null && searchString.trim().length() > 0) {
-                String[] chunks = searchString.trim().split(" +");
-                qb.appendWhere("EXISTS (SELECT tmp." + UserIds._ID + " FROM " +
-                                        UserIds.TABLE_NAME + " AS tmp WHERE " +
-                                        "tmp." + UserIds.KEY_ID + " = " +
-                                        Keys.TABLE_NAME + "." + Keys._ID);
-                for (int i = 0; i < chunks.length; ++i) {
-                    qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE ");
-                    qb.appendWhereEscapeString("%" + chunks[i] + "%");
-                }
-                qb.appendWhere(")");
-            }
-
-            mCursor = qb.query(mDatabase,
-                    new String[] {
-                        KeyRings.TABLE_NAME + "." + KeyRings._ID,           // 0
-                        KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID, // 1
-                        UserIds.TABLE_NAME + "." + UserIds.USER_ID,         // 2
-                    },
-                    KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
-                    new String[] { "" + (mKeyType == Id.type.public_key ?
-                                             Id.database.type_public : Id.database.type_secret) },
-                    null, null, UserIds.TABLE_NAME + "." + UserIds.USER_ID + " ASC");
-
-            // content provider way for reference, might have to go back to it sometime:
-            /*Uri contentUri = null;
-            if (mKeyType == Id.type.secret_key) {
-                contentUri = Apg.CONTENT_URI_SECRET_KEY_RINGS;
-            } else {
-                contentUri = Apg.CONTENT_URI_PUBLIC_KEY_RINGS;
-            }
-            mCursor = getContentResolver().query(
-                    contentUri,
-                    new String[] {
-                        DataProvider._ID,           // 0
-                        DataProvider.MASTER_KEY_ID, // 1
-                        DataProvider.USER_ID,       // 2
-                    },
-                    null, null, null);*/
-
-            startManagingCursor(mCursor);
-            rebuild(false);
-        }
-
-        public void cleanup() {
-            if (mCursor != null) {
-                stopManagingCursor(mCursor);
-                mCursor.close();
-            }
-        }
-
-        public void rebuild(boolean requery) {
-            if (requery) {
-                mCursor.requery();
-            }
-            mChildren = new Vector<Vector<KeyChild>>();
-            for (int i = 0; i < mCursor.getCount(); ++i) {
-                mChildren.add(null);
-            }
-        }
-
-        protected Vector<KeyChild> getChildrenOfGroup(int groupPosition) {
-            Vector<KeyChild> children = mChildren.get(groupPosition);
-            if (children != null) {
-                return children;
-            }
-
-            mCursor.moveToPosition(groupPosition);
-            children = new Vector<KeyChild>();
-            Cursor c = mDatabase.query(Keys.TABLE_NAME,
-                    new String[] {
-                        Keys._ID,           // 0
-                        Keys.KEY_ID,        // 1
-                        Keys.IS_MASTER_KEY, // 2
-                        Keys.ALGORITHM,     // 3
-                        Keys.KEY_SIZE,      // 4
-                        Keys.CAN_SIGN,      // 5
-                        Keys.CAN_ENCRYPT,   // 6
-                    },
-                    Keys.KEY_RING_ID + " = ?",
-                    new String[] { mCursor.getString(0) },
-                    null, null, Keys.RANK + " ASC");
-
-            long masterKeyId = -1;
-            for (int i = 0; i < c.getCount(); ++i) {
-                c.moveToPosition(i);
-                children.add(new KeyChild(c.getLong(1), c.getInt(2) == 1, c.getInt(3), c.getInt(4),
-                                          c.getInt(5) == 1, c.getInt(6) == 1));
-                if (i == 0) {
-                    masterKeyId = c.getInt(0);
-                }
-            }
-            c.close();
-
-            if (masterKeyId != -1) {
-                c = mDatabase.query(UserIds.TABLE_NAME,
-                         new String[] {
-                             UserIds.USER_ID, // 0
-                         },
-                         UserIds.KEY_ID + " = ? AND " + UserIds.RANK + " > 0",
-                         new String[] { "" + masterKeyId },
-                         null, null, UserIds.RANK + " ASC");
-
-                 for (int i = 0; i < c.getCount(); ++i) {
-                     c.moveToPosition(i);
-                     children.add(new KeyChild(c.getString(0)));
-                 }
-                 c.close();
-            }
-
-            mChildren.set(groupPosition, children);
-            return children;
-        }
-
-        @Override
-        public boolean hasStableIds() {
-            return true;
-        }
-
-        @Override
-        public boolean isChildSelectable(int groupPosition, int childPosition) {
-            return true;
-        }
-
-        public int getGroupCount() {
-            return mCursor.getCount();
-        }
-
-        public Object getChild(int groupPosition, int childPosition) {
-            return null;
-        }
-
-        public long getChildId(int groupPosition, int childPosition) {
-            return childPosition;
-        }
-
-        public int getChildrenCount(int groupPosition) {
-            return getChildrenOfGroup(groupPosition).size();
-        }
-
-        public Object getGroup(int position) {
-            return position;
-        }
-
-        public long getGroupId(int position) {
-            mCursor.moveToPosition(position);
-            return mCursor.getLong(1); // MASTER_KEY_ID
-        }
-
-        public int getKeyRingId(int position) {
-            mCursor.moveToPosition(position);
-            return mCursor.getInt(0); // _ID
-        }
-
-        public View getGroupView(int groupPosition, boolean isExpanded, View convertView,
-                                 ViewGroup parent) {
-            mCursor.moveToPosition(groupPosition);
-
-            View view = mInflater.inflate(R.layout.key_list_group_item, null);
-            view.setBackgroundResource(android.R.drawable.list_selector_background);
-
-            TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
-            mainUserId.setText("");
-            TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
-            mainUserIdRest.setText("");
-
-            String userId = mCursor.getString(2); // USER_ID
-            if (userId != null) {
-                String chunks[] = userId.split(" <", 2);
-                userId = chunks[0];
-                if (chunks.length > 1) {
-                    mainUserIdRest.setText("<" + chunks[1]);
-                }
-                mainUserId.setText(userId);
-            }
-
-            if (mainUserId.getText().length() == 0) {
-                mainUserId.setText(R.string.unknownUserId);
-            }
-
-            if (mainUserIdRest.getText().length() == 0) {
-                mainUserIdRest.setVisibility(View.GONE);
-            }
-            return view;
-        }
-
-        public View getChildView(int groupPosition, int childPosition,
-                                 boolean isLastChild, View convertView,
-                                 ViewGroup parent) {
-            mCursor.moveToPosition(groupPosition);
-
-            Vector<KeyChild> children = getChildrenOfGroup(groupPosition);
-
-            KeyChild child = children.get(childPosition);
-            View view = null;
-            switch (child.type) {
-                case KeyChild.KEY: {
-                    if (child.isMasterKey) {
-                        view = mInflater.inflate(R.layout.key_list_child_item_master_key, null);
-                    } else {
-                        view = mInflater.inflate(R.layout.key_list_child_item_sub_key, null);
-                    }
-
-                    TextView keyId = (TextView) view.findViewById(R.id.keyId);
-                    String keyIdStr = Long.toHexString(child.keyId & 0xffffffffL);
-                    while (keyIdStr.length() < 8) {
-                        keyIdStr = "0" + keyIdStr;
-                    }
-                    keyId.setText(keyIdStr);
-                    TextView keyDetails = (TextView) view.findViewById(R.id.keyDetails);
-                    String algorithmStr = Apg.getAlgorithmInfo(child.algorithm, child.keySize);
-                    keyDetails.setText("(" + algorithmStr + ")");
-
-                    ImageView encryptIcon = (ImageView) view.findViewById(R.id.ic_encryptKey);
-                    if (!child.canEncrypt) {
-                        encryptIcon.setVisibility(View.GONE);
-                    }
-
-                    ImageView signIcon = (ImageView) view.findViewById(R.id.ic_signKey);
-                    if (!child.canSign) {
-                        signIcon.setVisibility(View.GONE);
-                    }
-                    break;
-                }
-
-                case KeyChild.USER_ID: {
-                    view = mInflater.inflate(R.layout.key_list_child_item_user_id, null);
-                    TextView userId = (TextView) view.findViewById(R.id.userId);
-                    userId.setText(child.userId);
-                    break;
-                }
-            }
-            return view;
-        }
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        switch (requestCode) {
-            case Id.request.filename: {
-                if (resultCode == RESULT_OK && data != null) {
-                    String filename = data.getDataString();
-                    if (filename != null) {
-                        // Get rid of URI prefix:
-                        if (filename.startsWith("file://")) {
-                            filename = filename.substring(7);
-                        }
-                        // replace %20 and so on
-                        filename = Uri.decode(filename);
-
-                        FileDialog.setFilename(filename);
-                    }
-                }
-                return;
-            }
-
-            default: {
-                break;
-            }
-        }
-        super.onActivityResult(requestCode, resultCode, data);
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Vector;
+
+import org.bouncycastle2.openpgp.PGPException;
+import org.bouncycastle2.openpgp.PGPPublicKeyRing;
+import org.bouncycastle2.openpgp.PGPSecretKeyRing;
+import org.thialfihar.android.apg.provider.KeyRings;
+import org.thialfihar.android.apg.provider.Keys;
+import org.thialfihar.android.apg.provider.UserIds;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.SearchManager;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteQueryBuilder;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Message;
+import android.view.LayoutInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.BaseExpandableListAdapter;
+import android.widget.Button;
+import android.widget.ExpandableListView;
+import android.widget.ExpandableListView.ExpandableListContextMenuInfo;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class KeyListActivity extends BaseActivity {
+    protected ExpandableListView mList;
+    protected KeyListAdapter mListAdapter;
+    protected View mFilterLayout;
+    protected Button mClearFilterButton;
+    protected TextView mFilterInfo;
+
+    protected int mSelectedItem = -1;
+    protected int mTask = 0;
+
+    protected String mImportFilename = Constants.path.app_dir + "/";
+    protected String mExportFilename = Constants.path.app_dir + "/";
+
+    protected String mImportData;
+
+    protected int mKeyType = Id.type.public_key;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.key_list);
+
+        setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
+
+        mList = (ExpandableListView) findViewById(R.id.list);
+        registerForContextMenu(mList);
+
+        mFilterLayout = (View) findViewById(R.id.layout_filter);
+        mFilterInfo = (TextView) mFilterLayout.findViewById(R.id.filterInfo);
+        mClearFilterButton = (Button) mFilterLayout.findViewById(R.id.btn_clear);
+
+        mClearFilterButton.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                handleIntent(new Intent());
+            }
+        });
+
+        handleIntent(getIntent());
+
+        Intent intent = getIntent();
+        if (Apg.Intent.IMPORT.equals(intent.getAction())) {
+            if ("file".equals(intent.getScheme()) && intent.getDataString() != null) {
+                mImportFilename = intent.getDataString().replace("file://", "");
+            } else {
+                mImportData = intent.getStringExtra(Apg.EXTRA_TEXT);
+            }
+            importKeys();
+        }
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+        handleIntent(intent);
+    }
+
+    private void handleIntent(Intent intent) {
+        String searchString = null;
+        if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
+            searchString = intent.getStringExtra(SearchManager.QUERY);
+            if (searchString != null && searchString.trim().length() == 0) {
+                searchString = null;
+            }
+        }
+
+        if (searchString == null) {
+            mFilterLayout.setVisibility(View.GONE);
+        } else {
+            mFilterLayout.setVisibility(View.VISIBLE);
+            mFilterInfo.setText(getString(R.string.filterInfo, searchString));
+        }
+
+        if (mListAdapter != null) {
+            mListAdapter.cleanup();
+        }
+        mListAdapter = new KeyListAdapter(this, searchString);
+        mList.setAdapter(mListAdapter);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case Id.menu.option.import_keys: {
+                showDialog(Id.dialog.import_keys);
+                return true;
+            }
+
+            case Id.menu.option.export_keys: {
+                showDialog(Id.dialog.export_keys);
+                return true;
+            }
+
+            default: {
+                return super.onOptionsItemSelected(item);
+            }
+        }
+    }
+
+    @Override
+    public boolean onContextItemSelected(MenuItem menuItem) {
+        ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) menuItem.getMenuInfo();
+        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
+        int groupPosition = ExpandableListView.getPackedPositionGroup(info.packedPosition);
+
+        if (type != ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
+            return super.onContextItemSelected(menuItem);
+        }
+
+        switch (menuItem.getItemId()) {
+            case Id.menu.export: {
+                mSelectedItem = groupPosition;
+                showDialog(Id.dialog.export_key);
+                return true;
+            }
+
+            case Id.menu.delete: {
+                mSelectedItem = groupPosition;
+                showDialog(Id.dialog.delete_key);
+                return true;
+            }
+
+            default: {
+                return super.onContextItemSelected(menuItem);
+            }
+        }
+    }
+
+    @Override
+    protected Dialog onCreateDialog(int id) {
+        boolean singleKeyExport = false;
+
+        switch (id) {
+            case Id.dialog.delete_key: {
+                final int keyRingId = mListAdapter.getKeyRingId(mSelectedItem);
+                mSelectedItem = -1;
+                // TODO: better way to do this?
+                String userId = "<unknown>";
+                Object keyRing = Apg.getKeyRing(keyRingId);
+                if (keyRing != null) {
+                    if (keyRing instanceof PGPPublicKeyRing) {
+                        userId = Apg.getMainUserIdSafe(this, Apg.getMasterKey((PGPPublicKeyRing) keyRing));
+                    } else {
+                        userId = Apg.getMainUserIdSafe(this, Apg.getMasterKey((PGPSecretKeyRing) keyRing));
+                    }
+                }
+
+                AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                builder.setTitle(R.string.warning);
+                builder.setMessage(getString(mKeyType == Id.type.public_key ?
+                                                 R.string.keyDeletionConfirmation :
+                                                 R.string.secretKeyDeletionConfirmation, userId));
+                builder.setIcon(android.R.drawable.ic_dialog_alert);
+                builder.setPositiveButton(R.string.btn_delete,
+                                          new DialogInterface.OnClickListener() {
+                                              public void onClick(DialogInterface dialog, int id) {
+                                                  deleteKey(keyRingId);
+                                                  removeDialog(Id.dialog.delete_key);
+                                              }
+                                          });
+                builder.setNegativeButton(android.R.string.cancel,
+                                          new DialogInterface.OnClickListener() {
+                                              public void onClick(DialogInterface dialog, int id) {
+                                                  removeDialog(Id.dialog.delete_key);
+                                              }
+                                          });
+                return builder.create();
+            }
+
+            case Id.dialog.import_keys: {
+                return FileDialog.build(this, getString(R.string.title_importKeys),
+                                        getString(R.string.specifyFileToImportFrom),
+                                        mImportFilename,
+                                        new FileDialog.OnClickListener() {
+
+                                            @Override
+                                            public void onOkClick(String filename) {
+                                                removeDialog(Id.dialog.import_keys);
+                                                mImportFilename = filename;
+                                                importKeys();
+                                            }
+
+                                            @Override
+                                            public void onCancelClick() {
+                                                removeDialog(Id.dialog.import_keys);
+                                            }
+                                        },
+                                        getString(R.string.filemanager_titleOpen),
+                                        getString(R.string.filemanager_btnOpen),
+                                        Id.request.filename);
+            }
+
+            case Id.dialog.export_key: {
+                singleKeyExport = true;
+                // break intentionally omitted, to use the Id.dialog.export_keys dialog
+            }
+
+            case Id.dialog.export_keys: {
+                String title = (singleKeyExport ?
+                                    getString(R.string.title_exportKey) :
+                                    getString(R.string.title_exportKeys));
+
+                final int thisDialogId = (singleKeyExport ? Id.dialog.export_key : Id.dialog.export_keys);
+
+                return FileDialog.build(this, title,
+                                        getString(mKeyType == Id.type.public_key ?
+                                                      R.string.specifyFileToExportTo :
+                                                      R.string.specifyFileToExportSecretKeysTo),
+                                        mExportFilename,
+                                        new FileDialog.OnClickListener() {
+                                            @Override
+                                            public void onOkClick(String filename) {
+                                                removeDialog(thisDialogId);
+                                                mExportFilename = filename;
+                                                exportKeys();
+                                            }
+
+                                            @Override
+                                            public void onCancelClick() {
+                                                removeDialog(thisDialogId);
+                                            }
+                                        },
+                                        getString(R.string.filemanager_titleSave),
+                                        getString(R.string.filemanager_btnSave),
+                                        Id.request.filename);
+            }
+
+            default: {
+                return super.onCreateDialog(id);
+            }
+        }
+    }
+
+    public void importKeys() {
+        showDialog(Id.dialog.importing);
+        mTask = Id.task.import_keys;
+        startThread();
+    }
+
+    public void exportKeys() {
+        showDialog(Id.dialog.exporting);
+        mTask = Id.task.export_keys;
+        startThread();
+    }
+
+    @Override
+    public void run() {
+        String error = null;
+        Bundle data = new Bundle();
+        Message msg = new Message();
+
+        try {
+            InputStream importInputStream = null;
+            OutputStream exportOutputStream = null;
+            long size = 0;
+            if (mTask == Id.task.import_keys) {
+                if (mImportData != null) {
+                    byte[] bytes = mImportData.getBytes();
+                    size = bytes.length;
+                    importInputStream = new ByteArrayInputStream(bytes);
+                } else {
+                    File file = new File(mImportFilename);
+                    size = file.length();
+                    importInputStream = new FileInputStream(file);
+                }
+            } else {
+                exportOutputStream = new FileOutputStream(mExportFilename);
+            }
+
+            if (mTask == Id.task.import_keys) {
+                data = Apg.importKeyRings(this, mKeyType, new InputData(importInputStream, size), this);
+            } else {
+                Vector<Integer> keyRingIds = new Vector<Integer>();
+                if (mSelectedItem == -1) {
+                    keyRingIds = Apg.getKeyRingIds(mKeyType == Id.type.public_key ?
+                                                       Id.database.type_public :
+                                                       Id.database.type_secret);
+                } else {
+                    int keyRingId = mListAdapter.getKeyRingId(mSelectedItem);
+                    keyRingIds.add(keyRingId);
+                    mSelectedItem = -1;
+                }
+                data = Apg.exportKeyRings(this, keyRingIds, exportOutputStream, this);
+            }
+        } catch (FileNotFoundException e) {
+            error = getString(R.string.error_fileNotFound);
+        } catch (IOException e) {
+            error = "" + e;
+        } catch (PGPException e) {
+            error = "" + e;
+        } catch (Apg.GeneralException e) {
+            error = "" + e;
+        }
+
+        mImportData = null;
+
+        if (mTask == Id.task.import_keys) {
+            data.putInt(Apg.EXTRA_STATUS, Id.message.import_done);
+        } else {
+            data.putInt(Apg.EXTRA_STATUS, Id.message.export_done);
+        }
+
+        if (error != null) {
+            data.putString(Apg.EXTRA_ERROR, error);
+        }
+
+        msg.setData(data);
+        sendMessage(msg);
+    }
+
+    protected void deleteKey(int keyRingId) {
+        Apg.deleteKey(keyRingId);
+        refreshList();
+    }
+
+    protected void refreshList() {
+        mListAdapter.rebuild(true);
+        mListAdapter.notifyDataSetChanged();
+    }
+
+    @Override
+    public void doneCallback(Message msg) {
+        super.doneCallback(msg);
+
+        Bundle data = msg.getData();
+        if (data != null) {
+            int type = data.getInt(Apg.EXTRA_STATUS);
+            switch (type) {
+                case Id.message.import_done: {
+                    removeDialog(Id.dialog.importing);
+
+                    String error = data.getString(Apg.EXTRA_ERROR);
+                    if (error != null) {
+                        Toast.makeText(KeyListActivity.this,
+                                       getString(R.string.errorMessage, error),
+                                       Toast.LENGTH_SHORT).show();
+                    } else {
+                        int added = data.getInt("added");
+                        int updated = data.getInt("updated");
+                        String message;
+                        if (added > 0 && updated > 0) {
+                            message = getString(R.string.keysAddedAndUpdated, added, updated);
+                        } else if (added > 0) {
+                            message = getString(R.string.keysAdded, added);
+                        } else if (updated > 0) {
+                            message = getString(R.string.keysUpdated, updated);
+                        } else {
+                            message = getString(R.string.noKeysAddedOrUpdated);
+                        }
+                        Toast.makeText(KeyListActivity.this, message,
+                                       Toast.LENGTH_SHORT).show();
+                    }
+                    refreshList();
+                    break;
+                }
+
+                case Id.message.export_done: {
+                    removeDialog(Id.dialog.exporting);
+
+                    String error = data.getString(Apg.EXTRA_ERROR);
+                    if (error != null) {
+                        Toast.makeText(KeyListActivity.this,
+                                       getString(R.string.errorMessage, error),
+                                       Toast.LENGTH_SHORT).show();
+                    } else {
+                        int exported = data.getInt("exported");
+                        String message;
+                        if (exported == 1) {
+                            message = getString(R.string.keyExported);
+                        } else if (exported > 0) {
+                            message = getString(R.string.keysExported, exported);
+                        } else{
+                            message = getString(R.string.noKeysExported);
+                        }
+                        Toast.makeText(KeyListActivity.this, message,
+                                       Toast.LENGTH_SHORT).show();
+                    }
+                    break;
+                }
+
+                default: {
+                    break;
+                }
+            }
+        }
+    }
+
+    protected class KeyListAdapter extends BaseExpandableListAdapter {
+        private LayoutInflater mInflater;
+        private Vector<Vector<KeyChild>> mChildren;
+        private SQLiteDatabase mDatabase;
+        private Cursor mCursor;
+        private String mSearchString;
+
+        private class KeyChild {
+            public static final int KEY = 0;
+            public static final int USER_ID = 1;
+
+            public int type;
+            public String userId;
+            public long keyId;
+            public boolean isMasterKey;
+            public int algorithm;
+            public int keySize;
+            public boolean canSign;
+            public boolean canEncrypt;
+
+            public KeyChild(long keyId, boolean isMasterKey, int algorithm, int keySize,
+                            boolean canSign, boolean canEncrypt) {
+                this.keyId = keyId;
+                this.isMasterKey = isMasterKey;
+                this.algorithm = algorithm;
+                this.keySize = keySize;
+                this.canSign = canSign;
+                this.canEncrypt = canEncrypt;
+            }
+
+            public KeyChild(String userId) {
+                type = USER_ID;
+                this.userId = userId;
+            }
+        }
+
+        public KeyListAdapter(Context context, String searchString) {
+            mSearchString = searchString;
+
+            mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            mDatabase = Apg.getDatabase().db();
+            SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
+            qb.setTables(KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " +
+                                          "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
+                                          Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + " AND " +
+                                          Keys.TABLE_NAME + "." + Keys.IS_MASTER_KEY + " = '1'" +
+                                          ") " +
+                                          " INNER JOIN " + UserIds.TABLE_NAME + " ON " +
+                                          "(" + Keys.TABLE_NAME + "." + Keys._ID + " = " +
+                                          UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " AND " +
+                                          UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0')");
+
+            if (searchString != null && searchString.trim().length() > 0) {
+                String[] chunks = searchString.trim().split(" +");
+                qb.appendWhere("EXISTS (SELECT tmp." + UserIds._ID + " FROM " +
+                                        UserIds.TABLE_NAME + " AS tmp WHERE " +
+                                        "tmp." + UserIds.KEY_ID + " = " +
+                                        Keys.TABLE_NAME + "." + Keys._ID);
+                for (int i = 0; i < chunks.length; ++i) {
+                    qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE ");
+                    qb.appendWhereEscapeString("%" + chunks[i] + "%");
+                }
+                qb.appendWhere(")");
+            }
+
+            mCursor = qb.query(mDatabase,
+                    new String[] {
+                        KeyRings.TABLE_NAME + "." + KeyRings._ID,           // 0
+                        KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID, // 1
+                        UserIds.TABLE_NAME + "." + UserIds.USER_ID,         // 2
+                    },
+                    KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
+                    new String[] { "" + (mKeyType == Id.type.public_key ?
+                                             Id.database.type_public : Id.database.type_secret) },
+                    null, null, UserIds.TABLE_NAME + "." + UserIds.USER_ID + " ASC");
+
+            // content provider way for reference, might have to go back to it sometime:
+            /*Uri contentUri = null;
+            if (mKeyType == Id.type.secret_key) {
+                contentUri = Apg.CONTENT_URI_SECRET_KEY_RINGS;
+            } else {
+                contentUri = Apg.CONTENT_URI_PUBLIC_KEY_RINGS;
+            }
+            mCursor = getContentResolver().query(
+                    contentUri,
+                    new String[] {
+                        DataProvider._ID,           // 0
+                        DataProvider.MASTER_KEY_ID, // 1
+                        DataProvider.USER_ID,       // 2
+                    },
+                    null, null, null);*/
+
+            startManagingCursor(mCursor);
+            rebuild(false);
+        }
+
+        public void cleanup() {
+            if (mCursor != null) {
+                stopManagingCursor(mCursor);
+                mCursor.close();
+            }
+        }
+
+        public void rebuild(boolean requery) {
+            if (requery) {
+                mCursor.requery();
+            }
+            mChildren = new Vector<Vector<KeyChild>>();
+            for (int i = 0; i < mCursor.getCount(); ++i) {
+                mChildren.add(null);
+            }
+        }
+
+        protected Vector<KeyChild> getChildrenOfGroup(int groupPosition) {
+            Vector<KeyChild> children = mChildren.get(groupPosition);
+            if (children != null) {
+                return children;
+            }
+
+            mCursor.moveToPosition(groupPosition);
+            children = new Vector<KeyChild>();
+            Cursor c = mDatabase.query(Keys.TABLE_NAME,
+                    new String[] {
+                        Keys._ID,           // 0
+                        Keys.KEY_ID,        // 1
+                        Keys.IS_MASTER_KEY, // 2
+                        Keys.ALGORITHM,     // 3
+                        Keys.KEY_SIZE,      // 4
+                        Keys.CAN_SIGN,      // 5
+                        Keys.CAN_ENCRYPT,   // 6
+                    },
+                    Keys.KEY_RING_ID + " = ?",
+                    new String[] { mCursor.getString(0) },
+                    null, null, Keys.RANK + " ASC");
+
+            long masterKeyId = -1;
+            for (int i = 0; i < c.getCount(); ++i) {
+                c.moveToPosition(i);
+                children.add(new KeyChild(c.getLong(1), c.getInt(2) == 1, c.getInt(3), c.getInt(4),
+                                          c.getInt(5) == 1, c.getInt(6) == 1));
+                if (i == 0) {
+                    masterKeyId = c.getInt(0);
+                }
+            }
+            c.close();
+
+            if (masterKeyId != -1) {
+                c = mDatabase.query(UserIds.TABLE_NAME,
+                         new String[] {
+                             UserIds.USER_ID, // 0
+                         },
+                         UserIds.KEY_ID + " = ? AND " + UserIds.RANK + " > 0",
+                         new String[] { "" + masterKeyId },
+                         null, null, UserIds.RANK + " ASC");
+
+                 for (int i = 0; i < c.getCount(); ++i) {
+                     c.moveToPosition(i);
+                     children.add(new KeyChild(c.getString(0)));
+                 }
+                 c.close();
+            }
+
+            mChildren.set(groupPosition, children);
+            return children;
+        }
+
+        @Override
+        public boolean hasStableIds() {
+            return true;
+        }
+
+        @Override
+        public boolean isChildSelectable(int groupPosition, int childPosition) {
+            return true;
+        }
+
+        public int getGroupCount() {
+            return mCursor.getCount();
+        }
+
+        public Object getChild(int groupPosition, int childPosition) {
+            return null;
+        }
+
+        public long getChildId(int groupPosition, int childPosition) {
+            return childPosition;
+        }
+
+        public int getChildrenCount(int groupPosition) {
+            return getChildrenOfGroup(groupPosition).size();
+        }
+
+        public Object getGroup(int position) {
+            return position;
+        }
+
+        public long getGroupId(int position) {
+            mCursor.moveToPosition(position);
+            return mCursor.getLong(1); // MASTER_KEY_ID
+        }
+
+        public int getKeyRingId(int position) {
+            mCursor.moveToPosition(position);
+            return mCursor.getInt(0); // _ID
+        }
+
+        public View getGroupView(int groupPosition, boolean isExpanded, View convertView,
+                                 ViewGroup parent) {
+            mCursor.moveToPosition(groupPosition);
+
+            View view = mInflater.inflate(R.layout.key_list_group_item, null);
+            view.setBackgroundResource(android.R.drawable.list_selector_background);
+
+            TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
+            mainUserId.setText("");
+            TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
+            mainUserIdRest.setText("");
+
+            String userId = mCursor.getString(2); // USER_ID
+            if (userId != null) {
+                String chunks[] = userId.split(" <", 2);
+                userId = chunks[0];
+                if (chunks.length > 1) {
+                    mainUserIdRest.setText("<" + chunks[1]);
+                }
+                mainUserId.setText(userId);
+            }
+
+            if (mainUserId.getText().length() == 0) {
+                mainUserId.setText(R.string.unknownUserId);
+            }
+
+            if (mainUserIdRest.getText().length() == 0) {
+                mainUserIdRest.setVisibility(View.GONE);
+            }
+            return view;
+        }
+
+        public View getChildView(int groupPosition, int childPosition,
+                                 boolean isLastChild, View convertView,
+                                 ViewGroup parent) {
+            mCursor.moveToPosition(groupPosition);
+
+            Vector<KeyChild> children = getChildrenOfGroup(groupPosition);
+
+            KeyChild child = children.get(childPosition);
+            View view = null;
+            switch (child.type) {
+                case KeyChild.KEY: {
+                    if (child.isMasterKey) {
+                        view = mInflater.inflate(R.layout.key_list_child_item_master_key, null);
+                    } else {
+                        view = mInflater.inflate(R.layout.key_list_child_item_sub_key, null);
+                    }
+
+                    TextView keyId = (TextView) view.findViewById(R.id.keyId);
+                    String keyIdStr = Long.toHexString(child.keyId & 0xffffffffL);
+                    while (keyIdStr.length() < 8) {
+                        keyIdStr = "0" + keyIdStr;
+                    }
+                    keyId.setText(keyIdStr);
+                    TextView keyDetails = (TextView) view.findViewById(R.id.keyDetails);
+                    String algorithmStr = Apg.getAlgorithmInfo(child.algorithm, child.keySize);
+                    keyDetails.setText("(" + algorithmStr + ")");
+
+                    ImageView encryptIcon = (ImageView) view.findViewById(R.id.ic_encryptKey);
+                    if (!child.canEncrypt) {
+                        encryptIcon.setVisibility(View.GONE);
+                    }
+
+                    ImageView signIcon = (ImageView) view.findViewById(R.id.ic_signKey);
+                    if (!child.canSign) {
+                        signIcon.setVisibility(View.GONE);
+                    }
+                    break;
+                }
+
+                case KeyChild.USER_ID: {
+                    view = mInflater.inflate(R.layout.key_list_child_item_user_id, null);
+                    TextView userId = (TextView) view.findViewById(R.id.userId);
+                    userId.setText(child.userId);
+                    break;
+                }
+            }
+            return view;
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        switch (requestCode) {
+            case Id.request.filename: {
+                if (resultCode == RESULT_OK && data != null) {
+                    String filename = data.getDataString();
+                    if (filename != null) {
+                        // Get rid of URI prefix:
+                        if (filename.startsWith("file://")) {
+                            filename = filename.substring(7);
+                        }
+                        // replace %20 and so on
+                        filename = Uri.decode(filename);
+
+                        FileDialog.setFilename(filename);
+                    }
+                }
+                return;
+            }
+
+            default: {
+                break;
+            }
+        }
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+}
diff --git a/src/org/thialfihar/android/apg/MailListActivity.java b/src/org/thialfihar/android/apg/MailListActivity.java
index d78dd47e1..dd856fc90 100644
--- a/src/org/thialfihar/android/apg/MailListActivity.java
+++ b/src/org/thialfihar/android/apg/MailListActivity.java
@@ -1,218 +1,218 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import java.util.Vector;
-import java.util.regex.Matcher;
-
-import android.app.ListActivity;
-import android.content.Context;
-import android.content.Intent;
-import android.database.Cursor;
-import android.net.Uri;
-import android.os.Bundle;
-import android.text.Html;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemClickListener;
-import android.widget.BaseAdapter;
-import android.widget.ImageView;
-import android.widget.ListAdapter;
-import android.widget.TextView;
-
-public class MailListActivity extends ListActivity {
-    LayoutInflater mInflater = null;
-
-    private static class Conversation {
-        public long id;
-        public String subject;
-        public Vector<Message> messages;
-
-        public Conversation(long id, String subject) {
-            this.id = id;
-            this.subject = subject;
-        }
-    }
-
-    private static class Message {
-        public Conversation parent;
-        public long id;
-        public String subject;
-        public String fromAddress;
-        public String data;
-        public String replyTo;
-        public boolean signedOnly;
-
-        public Message(Conversation parent, long id, String subject,
-                       String fromAddress, String replyTo,
-                       String data, boolean signedOnly) {
-            this.parent = parent;
-            this.id = id;
-            this.subject = subject;
-            this.fromAddress = fromAddress;
-            this.replyTo = replyTo;
-            this.data = data;
-            if (this.replyTo == null || this.replyTo.equals("")) {
-                this.replyTo = this.fromAddress;
-            }
-            this.signedOnly = signedOnly;
-        }
-    }
-
-    private Vector<Conversation> mconversations;
-    private Vector<Message> mmessages;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        mInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-
-        mconversations = new Vector<Conversation>();
-        mmessages = new Vector<Message>();
-
-        String account = getIntent().getExtras().getString(Apg.EXTRA_ACCOUNT);
-        // TODO: what if account is null?
-        Uri uri = Uri.parse("content://gmail-ls/conversations/" + account);
-        Cursor cursor =
-                managedQuery(uri, new String[] { "conversation_id", "subject" }, null, null, null);
-        for (int i = 0; i < cursor.getCount(); ++i) {
-            cursor.moveToPosition(i);
-
-            int idIndex = cursor.getColumnIndex("conversation_id");
-            int subjectIndex = cursor.getColumnIndex("subject");
-            long conversationId = cursor.getLong(idIndex);
-            Conversation conversation =
-                    new Conversation(conversationId, cursor.getString(subjectIndex));
-            Uri messageUri = Uri.withAppendedPath(uri, "" + conversationId + "/messages");
-            Cursor messageCursor =
-                    managedQuery(messageUri, new String[] {
-                            "messageId",
-                            "subject",
-                            "fromAddress",
-                            "replyToAddresses",
-                            "body" }, null, null, null);
-            Vector<Message> messages = new Vector<Message>();
-            for (int j = 0; j < messageCursor.getCount(); ++j) {
-                messageCursor.moveToPosition(j);
-                idIndex = messageCursor.getColumnIndex("messageId");
-                subjectIndex = messageCursor.getColumnIndex("subject");
-                int fromAddressIndex = messageCursor.getColumnIndex("fromAddress");
-                int replyToIndex = messageCursor.getColumnIndex("replyToAddresses");
-                int bodyIndex = messageCursor.getColumnIndex("body");
-                String data = messageCursor.getString(bodyIndex);
-                data = Html.fromHtml(data).toString();
-                boolean signedOnly = false;
-                Matcher matcher = Apg.PGP_MESSAGE.matcher(data);
-                if (matcher.matches()) {
-                    data = matcher.group(1);
-                } else {
-                    matcher = Apg.PGP_SIGNED_MESSAGE.matcher(data);
-                    if (matcher.matches()) {
-                        data = matcher.group(1);
-                        signedOnly = true;
-                    } else {
-                        data = null;
-                    }
-                }
-                Message message =
-                        new Message(conversation,
-                                    messageCursor.getLong(idIndex),
-                                    messageCursor.getString(subjectIndex),
-                                    messageCursor.getString(fromAddressIndex),
-                                    messageCursor.getString(replyToIndex),
-                                    data, signedOnly);
-
-                messages.add(message);
-                mmessages.add(message);
-            }
-            conversation.messages = messages;
-            mconversations.add(conversation);
-        }
-
-        setListAdapter(new MailboxAdapter());
-        getListView().setOnItemClickListener(new OnItemClickListener() {
-            @Override
-            public void onItemClick(AdapterView<?> arg0, View v, int position, long id) {
-                Intent intent = new Intent(MailListActivity.this, DecryptActivity.class);
-                intent.setAction(Apg.Intent.DECRYPT);
-                Message message = (Message) ((MailboxAdapter) getListAdapter()).getItem(position);
-                intent.putExtra(Apg.EXTRA_TEXT, message.data);
-                intent.putExtra(Apg.EXTRA_SUBJECT, message.subject);
-                intent.putExtra(Apg.EXTRA_REPLY_TO, message.replyTo);
-                startActivity(intent);
-            }
-        });
-    }
-
-    private class MailboxAdapter extends BaseAdapter implements ListAdapter {
-
-        @Override
-        public boolean isEnabled(int position) {
-            Message message = (Message) getItem(position);
-            return message.data != null;
-        }
-
-        @Override
-        public boolean hasStableIds() {
-            return true;
-        }
-
-        @Override
-        public int getCount() {
-            return mmessages.size();
-        }
-
-        @Override
-        public Object getItem(int position) {
-            return mmessages.get(position);
-        }
-
-        @Override
-        public long getItemId(int position) {
-            return mmessages.get(position).id;
-        }
-
-        @Override
-        public View getView(int position, View convertView, ViewGroup parent) {
-            View view = mInflater.inflate(R.layout.mailbox_message_item, null);
-
-            Message message = (Message) getItem(position);
-
-            TextView subject = (TextView) view.findViewById(R.id.subject);
-            TextView email = (TextView) view.findViewById(R.id.emailAddress);
-            ImageView status = (ImageView) view.findViewById(R.id.ic_status);
-
-            subject.setText(message.subject);
-            email.setText(message.fromAddress);
-            if (message.data != null) {
-                if (message.signedOnly) {
-                    status.setImageResource(R.drawable.signed);
-                } else {
-                    status.setImageResource(R.drawable.encrypted);
-                }
-                status.setVisibility(View.VISIBLE);
-            } else {
-                status.setVisibility(View.INVISIBLE);
-            }
-
-            return view;
-        }
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import java.util.Vector;
+import java.util.regex.Matcher;
+
+import android.app.ListActivity;
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.text.Html;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.ListAdapter;
+import android.widget.TextView;
+
+public class MailListActivity extends ListActivity {
+    LayoutInflater mInflater = null;
+
+    private static class Conversation {
+        public long id;
+        public String subject;
+        public Vector<Message> messages;
+
+        public Conversation(long id, String subject) {
+            this.id = id;
+            this.subject = subject;
+        }
+    }
+
+    private static class Message {
+        public Conversation parent;
+        public long id;
+        public String subject;
+        public String fromAddress;
+        public String data;
+        public String replyTo;
+        public boolean signedOnly;
+
+        public Message(Conversation parent, long id, String subject,
+                       String fromAddress, String replyTo,
+                       String data, boolean signedOnly) {
+            this.parent = parent;
+            this.id = id;
+            this.subject = subject;
+            this.fromAddress = fromAddress;
+            this.replyTo = replyTo;
+            this.data = data;
+            if (this.replyTo == null || this.replyTo.equals("")) {
+                this.replyTo = this.fromAddress;
+            }
+            this.signedOnly = signedOnly;
+        }
+    }
+
+    private Vector<Conversation> mconversations;
+    private Vector<Message> mmessages;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+
+        mconversations = new Vector<Conversation>();
+        mmessages = new Vector<Message>();
+
+        String account = getIntent().getExtras().getString(Apg.EXTRA_ACCOUNT);
+        // TODO: what if account is null?
+        Uri uri = Uri.parse("content://gmail-ls/conversations/" + account);
+        Cursor cursor =
+                managedQuery(uri, new String[] { "conversation_id", "subject" }, null, null, null);
+        for (int i = 0; i < cursor.getCount(); ++i) {
+            cursor.moveToPosition(i);
+
+            int idIndex = cursor.getColumnIndex("conversation_id");
+            int subjectIndex = cursor.getColumnIndex("subject");
+            long conversationId = cursor.getLong(idIndex);
+            Conversation conversation =
+                    new Conversation(conversationId, cursor.getString(subjectIndex));
+            Uri messageUri = Uri.withAppendedPath(uri, "" + conversationId + "/messages");
+            Cursor messageCursor =
+                    managedQuery(messageUri, new String[] {
+                            "messageId",
+                            "subject",
+                            "fromAddress",
+                            "replyToAddresses",
+                            "body" }, null, null, null);
+            Vector<Message> messages = new Vector<Message>();
+            for (int j = 0; j < messageCursor.getCount(); ++j) {
+                messageCursor.moveToPosition(j);
+                idIndex = messageCursor.getColumnIndex("messageId");
+                subjectIndex = messageCursor.getColumnIndex("subject");
+                int fromAddressIndex = messageCursor.getColumnIndex("fromAddress");
+                int replyToIndex = messageCursor.getColumnIndex("replyToAddresses");
+                int bodyIndex = messageCursor.getColumnIndex("body");
+                String data = messageCursor.getString(bodyIndex);
+                data = Html.fromHtml(data).toString();
+                boolean signedOnly = false;
+                Matcher matcher = Apg.PGP_MESSAGE.matcher(data);
+                if (matcher.matches()) {
+                    data = matcher.group(1);
+                } else {
+                    matcher = Apg.PGP_SIGNED_MESSAGE.matcher(data);
+                    if (matcher.matches()) {
+                        data = matcher.group(1);
+                        signedOnly = true;
+                    } else {
+                        data = null;
+                    }
+                }
+                Message message =
+                        new Message(conversation,
+                                    messageCursor.getLong(idIndex),
+                                    messageCursor.getString(subjectIndex),
+                                    messageCursor.getString(fromAddressIndex),
+                                    messageCursor.getString(replyToIndex),
+                                    data, signedOnly);
+
+                messages.add(message);
+                mmessages.add(message);
+            }
+            conversation.messages = messages;
+            mconversations.add(conversation);
+        }
+
+        setListAdapter(new MailboxAdapter());
+        getListView().setOnItemClickListener(new OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> arg0, View v, int position, long id) {
+                Intent intent = new Intent(MailListActivity.this, DecryptActivity.class);
+                intent.setAction(Apg.Intent.DECRYPT);
+                Message message = (Message) ((MailboxAdapter) getListAdapter()).getItem(position);
+                intent.putExtra(Apg.EXTRA_TEXT, message.data);
+                intent.putExtra(Apg.EXTRA_SUBJECT, message.subject);
+                intent.putExtra(Apg.EXTRA_REPLY_TO, message.replyTo);
+                startActivity(intent);
+            }
+        });
+    }
+
+    private class MailboxAdapter extends BaseAdapter implements ListAdapter {
+
+        @Override
+        public boolean isEnabled(int position) {
+            Message message = (Message) getItem(position);
+            return message.data != null;
+        }
+
+        @Override
+        public boolean hasStableIds() {
+            return true;
+        }
+
+        @Override
+        public int getCount() {
+            return mmessages.size();
+        }
+
+        @Override
+        public Object getItem(int position) {
+            return mmessages.get(position);
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return mmessages.get(position).id;
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            View view = mInflater.inflate(R.layout.mailbox_message_item, null);
+
+            Message message = (Message) getItem(position);
+
+            TextView subject = (TextView) view.findViewById(R.id.subject);
+            TextView email = (TextView) view.findViewById(R.id.emailAddress);
+            ImageView status = (ImageView) view.findViewById(R.id.ic_status);
+
+            subject.setText(message.subject);
+            email.setText(message.fromAddress);
+            if (message.data != null) {
+                if (message.signedOnly) {
+                    status.setImageResource(R.drawable.signed);
+                } else {
+                    status.setImageResource(R.drawable.encrypted);
+                }
+                status.setVisibility(View.VISIBLE);
+            } else {
+                status.setVisibility(View.INVISIBLE);
+            }
+
+            return view;
+        }
+    }
+}
diff --git a/src/org/thialfihar/android/apg/PositionAwareInputStream.java b/src/org/thialfihar/android/apg/PositionAwareInputStream.java
index 661e053f2..3b0fdc1f9 100644
--- a/src/org/thialfihar/android/apg/PositionAwareInputStream.java
+++ b/src/org/thialfihar/android/apg/PositionAwareInputStream.java
@@ -1,67 +1,67 @@
-package org.thialfihar.android.apg;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-public class PositionAwareInputStream extends InputStream {
-    private InputStream mStream;
-    private long mPosition;
-
-    public PositionAwareInputStream(InputStream in) {
-        mStream = in;
-        mPosition = 0;
-    }
-
-    @Override
-    public int read() throws IOException {
-        int ch = mStream.read();
-        ++mPosition;
-        return ch;
-    }
-
-    @Override
-    public int available() throws IOException {
-        return mStream.available();
-    }
-
-    @Override
-    public void close() throws IOException {
-        mStream.close();
-    }
-
-    @Override
-    public boolean markSupported() {
-        return false;
-    }
-
-    @Override
-    public int read(byte[] b) throws IOException {
-        int result = mStream.read(b);
-        mPosition += result;
-        return result;
-    }
-
-    @Override
-    public int read(byte[] b, int offset, int length) throws IOException {
-        int result = mStream.read(b, offset, length);
-        mPosition += result;
-        return result;
-    }
-
-    @Override
-    public synchronized void reset() throws IOException {
-        mStream.reset();
-        mPosition = 0;
-    }
-
-    @Override
-    public long skip(long n) throws IOException {
-        long result = mStream.skip(n);
-        mPosition += result;
-        return result;
-    }
-
-    public long position() {
-        return mPosition;
-    }
-}
+package org.thialfihar.android.apg;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+public class PositionAwareInputStream extends InputStream {
+    private InputStream mStream;
+    private long mPosition;
+
+    public PositionAwareInputStream(InputStream in) {
+        mStream = in;
+        mPosition = 0;
+    }
+
+    @Override
+    public int read() throws IOException {
+        int ch = mStream.read();
+        ++mPosition;
+        return ch;
+    }
+
+    @Override
+    public int available() throws IOException {
+        return mStream.available();
+    }
+
+    @Override
+    public void close() throws IOException {
+        mStream.close();
+    }
+
+    @Override
+    public boolean markSupported() {
+        return false;
+    }
+
+    @Override
+    public int read(byte[] b) throws IOException {
+        int result = mStream.read(b);
+        mPosition += result;
+        return result;
+    }
+
+    @Override
+    public int read(byte[] b, int offset, int length) throws IOException {
+        int result = mStream.read(b, offset, length);
+        mPosition += result;
+        return result;
+    }
+
+    @Override
+    public synchronized void reset() throws IOException {
+        mStream.reset();
+        mPosition = 0;
+    }
+
+    @Override
+    public long skip(long n) throws IOException {
+        long result = mStream.skip(n);
+        mPosition += result;
+        return result;
+    }
+
+    public long position() {
+        return mPosition;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/PreferencesActivity.java b/src/org/thialfihar/android/apg/PreferencesActivity.java
index 7e584a7a6..c8778c780 100644
--- a/src/org/thialfihar/android/apg/PreferencesActivity.java
+++ b/src/org/thialfihar/android/apg/PreferencesActivity.java
@@ -1,180 +1,180 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import org.bouncycastle2.bcpg.HashAlgorithmTags;
-import org.bouncycastle2.openpgp.PGPEncryptedData;
-
-import android.os.Bundle;
-import android.preference.CheckBoxPreference;
-import android.preference.Preference;
-import android.preference.PreferenceActivity;
-
-public class PreferencesActivity extends PreferenceActivity {
-    private IntegerListPreference mPassPhraseCacheTtl = null;
-    private IntegerListPreference mEncryptionAlgorithm = null;
-    private IntegerListPreference mHashAlgorithm = null;
-    private IntegerListPreference mMessageCompression = null;
-    private IntegerListPreference mFileCompression = null;
-    private CheckBoxPreference mAsciiArmour = null;
-    private Preferences mPreferences;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        mPreferences = Preferences.getPreferences(this);
-
-        addPreferencesFromResource(R.xml.apg_preferences);
-
-        mPassPhraseCacheTtl = (IntegerListPreference) findPreference(Constants.pref.pass_phrase_cache_ttl);
-        mPassPhraseCacheTtl.setValue("" + mPreferences.getPassPhraseCacheTtl());
-        mPassPhraseCacheTtl.setSummary(mPassPhraseCacheTtl.getEntry());
-        mPassPhraseCacheTtl.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
-        {
-            public boolean onPreferenceChange(Preference preference, Object newValue)
-            {
-                mPassPhraseCacheTtl.setValue(newValue.toString());
-                mPassPhraseCacheTtl.setSummary(mPassPhraseCacheTtl.getEntry());
-                mPreferences.setPassPhraseCacheTtl(Integer.parseInt(newValue.toString()));
-                BaseActivity.startCacheService(PreferencesActivity.this, mPreferences);
-                return false;
-            }
-        });
-
-        mEncryptionAlgorithm = (IntegerListPreference) findPreference(Constants.pref.default_encryption_algorithm);
-        int valueIds[] = {
-                PGPEncryptedData.AES_128, PGPEncryptedData.AES_192, PGPEncryptedData.AES_256,
-                PGPEncryptedData.BLOWFISH, PGPEncryptedData.TWOFISH, PGPEncryptedData.CAST5,
-                PGPEncryptedData.DES, PGPEncryptedData.TRIPLE_DES, PGPEncryptedData.IDEA,
-        };
-        String entries[] = {
-                "AES-128", "AES-192", "AES-256",
-                "Blowfish", "Twofish", "CAST5",
-                "DES", "Triple DES", "IDEA",
-        };
-        String values[] = new String[valueIds.length];
-        for (int i = 0; i < values.length; ++i) {
-            values[i] = "" + valueIds[i];
-        }
-        mEncryptionAlgorithm.setEntries(entries);
-        mEncryptionAlgorithm.setEntryValues(values);
-        mEncryptionAlgorithm.setValue("" + mPreferences.getDefaultEncryptionAlgorithm());
-        mEncryptionAlgorithm.setSummary(mEncryptionAlgorithm.getEntry());
-        mEncryptionAlgorithm.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
-        {
-            public boolean onPreferenceChange(Preference preference, Object newValue)
-            {
-                mEncryptionAlgorithm.setValue(newValue.toString());
-                mEncryptionAlgorithm.setSummary(mEncryptionAlgorithm.getEntry());
-                mPreferences.setDefaultEncryptionAlgorithm(Integer.parseInt(newValue.toString()));
-                return false;
-            }
-        });
-
-        mHashAlgorithm = (IntegerListPreference) findPreference(Constants.pref.default_hash_algorithm);
-        valueIds = new int[] {
-                HashAlgorithmTags.MD5, HashAlgorithmTags.RIPEMD160, HashAlgorithmTags.SHA1,
-                HashAlgorithmTags.SHA224, HashAlgorithmTags.SHA256, HashAlgorithmTags.SHA384,
-                HashAlgorithmTags.SHA512,
-        };
-        entries = new String[] {
-                "MD5", "RIPEMD-160", "SHA-1",
-                "SHA-224", "SHA-256", "SHA-384",
-                "SHA-512",
-        };
-        values = new String[valueIds.length];
-        for (int i = 0; i < values.length; ++i) {
-            values[i] = "" + valueIds[i];
-        }
-        mHashAlgorithm.setEntries(entries);
-        mHashAlgorithm.setEntryValues(values);
-        mHashAlgorithm.setValue("" + mPreferences.getDefaultHashAlgorithm());
-        mHashAlgorithm.setSummary(mHashAlgorithm.getEntry());
-        mHashAlgorithm.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
-        {
-            public boolean onPreferenceChange(Preference preference, Object newValue)
-            {
-                mHashAlgorithm.setValue(newValue.toString());
-                mHashAlgorithm.setSummary(mHashAlgorithm.getEntry());
-                mPreferences.setDefaultHashAlgorithm(Integer.parseInt(newValue.toString()));
-                return false;
-            }
-        });
-
-        mMessageCompression = (IntegerListPreference) findPreference(Constants.pref.default_message_compression);
-        valueIds = new int[] {
-                Id.choice.compression.none,
-                Id.choice.compression.zip,
-                Id.choice.compression.zlib,
-                Id.choice.compression.bzip2,
-        };
-        entries = new String[] {
-                getString(R.string.choice_none) + " (" + getString(R.string.fast) + ")",
-                "ZIP (" + getString(R.string.fast) + ")",
-                "ZLIB (" + getString(R.string.fast) + ")",
-                "BZIP2 (" + getString(R.string.very_slow) + ")",
-        };
-        values = new String[valueIds.length];
-        for (int i = 0; i < values.length; ++i) {
-            values[i] = "" + valueIds[i];
-        }
-        mMessageCompression.setEntries(entries);
-        mMessageCompression.setEntryValues(values);
-        mMessageCompression.setValue("" + mPreferences.getDefaultMessageCompression());
-        mMessageCompression.setSummary(mMessageCompression.getEntry());
-        mMessageCompression.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
-        {
-            public boolean onPreferenceChange(Preference preference, Object newValue)
-            {
-                mMessageCompression.setValue(newValue.toString());
-                mMessageCompression.setSummary(mMessageCompression.getEntry());
-                mPreferences.setDefaultMessageCompression(Integer.parseInt(newValue.toString()));
-                return false;
-            }
-        });
-
-        mFileCompression = (IntegerListPreference) findPreference(Constants.pref.default_file_compression);
-        mFileCompression.setEntries(entries);
-        mFileCompression.setEntryValues(values);
-        mFileCompression.setValue("" + mPreferences.getDefaultFileCompression());
-        mFileCompression.setSummary(mFileCompression.getEntry());
-        mFileCompression.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
-        {
-            public boolean onPreferenceChange(Preference preference, Object newValue)
-            {
-                mFileCompression.setValue(newValue.toString());
-                mFileCompression.setSummary(mFileCompression.getEntry());
-                mPreferences.setDefaultFileCompression(Integer.parseInt(newValue.toString()));
-                return false;
-            }
-        });
-
-        mAsciiArmour = (CheckBoxPreference) findPreference(Constants.pref.default_ascii_armour);
-        mAsciiArmour.setChecked(mPreferences.getDefaultAsciiArmour());
-        mAsciiArmour.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
-        {
-            public boolean onPreferenceChange(Preference preference, Object newValue)
-            {
-                mAsciiArmour.setChecked((Boolean)newValue);
-                mPreferences.setDefaultAsciiArmour((Boolean)newValue);
-                return false;
-            }
-        });
-    }
-}
-
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import org.bouncycastle2.bcpg.HashAlgorithmTags;
+import org.bouncycastle2.openpgp.PGPEncryptedData;
+
+import android.os.Bundle;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+
+public class PreferencesActivity extends PreferenceActivity {
+    private IntegerListPreference mPassPhraseCacheTtl = null;
+    private IntegerListPreference mEncryptionAlgorithm = null;
+    private IntegerListPreference mHashAlgorithm = null;
+    private IntegerListPreference mMessageCompression = null;
+    private IntegerListPreference mFileCompression = null;
+    private CheckBoxPreference mAsciiArmour = null;
+    private Preferences mPreferences;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mPreferences = Preferences.getPreferences(this);
+
+        addPreferencesFromResource(R.xml.apg_preferences);
+
+        mPassPhraseCacheTtl = (IntegerListPreference) findPreference(Constants.pref.pass_phrase_cache_ttl);
+        mPassPhraseCacheTtl.setValue("" + mPreferences.getPassPhraseCacheTtl());
+        mPassPhraseCacheTtl.setSummary(mPassPhraseCacheTtl.getEntry());
+        mPassPhraseCacheTtl.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
+        {
+            public boolean onPreferenceChange(Preference preference, Object newValue)
+            {
+                mPassPhraseCacheTtl.setValue(newValue.toString());
+                mPassPhraseCacheTtl.setSummary(mPassPhraseCacheTtl.getEntry());
+                mPreferences.setPassPhraseCacheTtl(Integer.parseInt(newValue.toString()));
+                BaseActivity.startCacheService(PreferencesActivity.this, mPreferences);
+                return false;
+            }
+        });
+
+        mEncryptionAlgorithm = (IntegerListPreference) findPreference(Constants.pref.default_encryption_algorithm);
+        int valueIds[] = {
+                PGPEncryptedData.AES_128, PGPEncryptedData.AES_192, PGPEncryptedData.AES_256,
+                PGPEncryptedData.BLOWFISH, PGPEncryptedData.TWOFISH, PGPEncryptedData.CAST5,
+                PGPEncryptedData.DES, PGPEncryptedData.TRIPLE_DES, PGPEncryptedData.IDEA,
+        };
+        String entries[] = {
+                "AES-128", "AES-192", "AES-256",
+                "Blowfish", "Twofish", "CAST5",
+                "DES", "Triple DES", "IDEA",
+        };
+        String values[] = new String[valueIds.length];
+        for (int i = 0; i < values.length; ++i) {
+            values[i] = "" + valueIds[i];
+        }
+        mEncryptionAlgorithm.setEntries(entries);
+        mEncryptionAlgorithm.setEntryValues(values);
+        mEncryptionAlgorithm.setValue("" + mPreferences.getDefaultEncryptionAlgorithm());
+        mEncryptionAlgorithm.setSummary(mEncryptionAlgorithm.getEntry());
+        mEncryptionAlgorithm.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
+        {
+            public boolean onPreferenceChange(Preference preference, Object newValue)
+            {
+                mEncryptionAlgorithm.setValue(newValue.toString());
+                mEncryptionAlgorithm.setSummary(mEncryptionAlgorithm.getEntry());
+                mPreferences.setDefaultEncryptionAlgorithm(Integer.parseInt(newValue.toString()));
+                return false;
+            }
+        });
+
+        mHashAlgorithm = (IntegerListPreference) findPreference(Constants.pref.default_hash_algorithm);
+        valueIds = new int[] {
+                HashAlgorithmTags.MD5, HashAlgorithmTags.RIPEMD160, HashAlgorithmTags.SHA1,
+                HashAlgorithmTags.SHA224, HashAlgorithmTags.SHA256, HashAlgorithmTags.SHA384,
+                HashAlgorithmTags.SHA512,
+        };
+        entries = new String[] {
+                "MD5", "RIPEMD-160", "SHA-1",
+                "SHA-224", "SHA-256", "SHA-384",
+                "SHA-512",
+        };
+        values = new String[valueIds.length];
+        for (int i = 0; i < values.length; ++i) {
+            values[i] = "" + valueIds[i];
+        }
+        mHashAlgorithm.setEntries(entries);
+        mHashAlgorithm.setEntryValues(values);
+        mHashAlgorithm.setValue("" + mPreferences.getDefaultHashAlgorithm());
+        mHashAlgorithm.setSummary(mHashAlgorithm.getEntry());
+        mHashAlgorithm.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
+        {
+            public boolean onPreferenceChange(Preference preference, Object newValue)
+            {
+                mHashAlgorithm.setValue(newValue.toString());
+                mHashAlgorithm.setSummary(mHashAlgorithm.getEntry());
+                mPreferences.setDefaultHashAlgorithm(Integer.parseInt(newValue.toString()));
+                return false;
+            }
+        });
+
+        mMessageCompression = (IntegerListPreference) findPreference(Constants.pref.default_message_compression);
+        valueIds = new int[] {
+                Id.choice.compression.none,
+                Id.choice.compression.zip,
+                Id.choice.compression.zlib,
+                Id.choice.compression.bzip2,
+        };
+        entries = new String[] {
+                getString(R.string.choice_none) + " (" + getString(R.string.fast) + ")",
+                "ZIP (" + getString(R.string.fast) + ")",
+                "ZLIB (" + getString(R.string.fast) + ")",
+                "BZIP2 (" + getString(R.string.very_slow) + ")",
+        };
+        values = new String[valueIds.length];
+        for (int i = 0; i < values.length; ++i) {
+            values[i] = "" + valueIds[i];
+        }
+        mMessageCompression.setEntries(entries);
+        mMessageCompression.setEntryValues(values);
+        mMessageCompression.setValue("" + mPreferences.getDefaultMessageCompression());
+        mMessageCompression.setSummary(mMessageCompression.getEntry());
+        mMessageCompression.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
+        {
+            public boolean onPreferenceChange(Preference preference, Object newValue)
+            {
+                mMessageCompression.setValue(newValue.toString());
+                mMessageCompression.setSummary(mMessageCompression.getEntry());
+                mPreferences.setDefaultMessageCompression(Integer.parseInt(newValue.toString()));
+                return false;
+            }
+        });
+
+        mFileCompression = (IntegerListPreference) findPreference(Constants.pref.default_file_compression);
+        mFileCompression.setEntries(entries);
+        mFileCompression.setEntryValues(values);
+        mFileCompression.setValue("" + mPreferences.getDefaultFileCompression());
+        mFileCompression.setSummary(mFileCompression.getEntry());
+        mFileCompression.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
+        {
+            public boolean onPreferenceChange(Preference preference, Object newValue)
+            {
+                mFileCompression.setValue(newValue.toString());
+                mFileCompression.setSummary(mFileCompression.getEntry());
+                mPreferences.setDefaultFileCompression(Integer.parseInt(newValue.toString()));
+                return false;
+            }
+        });
+
+        mAsciiArmour = (CheckBoxPreference) findPreference(Constants.pref.default_ascii_armour);
+        mAsciiArmour.setChecked(mPreferences.getDefaultAsciiArmour());
+        mAsciiArmour.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
+        {
+            public boolean onPreferenceChange(Preference preference, Object newValue)
+            {
+                mAsciiArmour.setChecked((Boolean)newValue);
+                mPreferences.setDefaultAsciiArmour((Boolean)newValue);
+                return false;
+            }
+        });
+    }
+}
+
diff --git a/src/org/thialfihar/android/apg/Primes.java b/src/org/thialfihar/android/apg/Primes.java
index e97a6c6c5..f0f391291 100644
--- a/src/org/thialfihar/android/apg/Primes.java
+++ b/src/org/thialfihar/android/apg/Primes.java
@@ -1,185 +1,185 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import java.math.BigInteger;
-
-public final class Primes {
-    // taken from http://www.ietf.org/rfc/rfc3526.txt
-    public static final String P1536 =
-            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
-            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
-            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
-            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
-            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
-            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
-            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
-            "670C354E 4ABC9804 F1746C08 CA237327 FFFFFFFF FFFFFFFF";
-
-    public static final String P2048 =
-            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
-            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
-            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
-            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
-            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
-            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
-            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
-            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
-            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
-            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
-            "15728E5A 8AACAA68 FFFFFFFF FFFFFFFF";
-
-    public static final String P3072 =
-            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
-            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
-            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
-            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
-            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
-            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
-            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
-            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
-            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
-            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
-            "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" +
-            "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" +
-            "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" +
-            "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" +
-            "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" +
-            "43DB5BFC E0FD108E 4B82D120 A93AD2CA FFFFFFFF FFFFFFFF";
-
-    public static final String P4096 =
-            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
-            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
-            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
-            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
-            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
-            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
-            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
-            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
-            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
-            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
-            "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" +
-            "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" +
-            "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" +
-            "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" +
-            "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" +
-            "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" +
-            "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" +
-            "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" +
-            "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" +
-            "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" +
-            "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34063199" +
-            "FFFFFFFF FFFFFFFF";
-
-    public static final String P6144 =
-            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
-            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
-            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
-            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
-            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
-            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
-            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
-            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
-            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
-            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
-            "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" +
-            "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" +
-            "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" +
-            "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" +
-            "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" +
-            "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" +
-            "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" +
-            "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" +
-            "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" +
-            "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" +
-            "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34028492" +
-            "36C3FAB4 D27C7026 C1D4DCB2 602646DE C9751E76 3DBA37BD" +
-            "F8FF9406 AD9E530E E5DB382F 413001AE B06A53ED 9027D831" +
-            "179727B0 865A8918 DA3EDBEB CF9B14ED 44CE6CBA CED4BB1B" +
-            "DB7F1447 E6CC254B 33205151 2BD7AF42 6FB8F401 378CD2BF" +
-            "5983CA01 C64B92EC F032EA15 D1721D03 F482D7CE 6E74FEF6" +
-            "D55E702F 46980C82 B5A84031 900B1C9E 59E7C97F BEC7E8F3" +
-            "23A97A7E 36CC88BE 0F1D45B7 FF585AC5 4BD407B2 2B4154AA" +
-            "CC8F6D7E BF48E1D8 14CC5ED2 0F8037E0 A79715EE F29BE328" +
-            "06A1D58B B7C5DA76 F550AA3D 8A1FBFF0 EB19CCB1 A313D55C" +
-            "DA56C9EC 2EF29632 387FE8D7 6E3C0468 043E8F66 3F4860EE" +
-            "12BF2D5B 0B7474D6 E694F91E 6DCC4024 FFFFFFFF FFFFFFFF";
-
-    public static final String P8192 =
-            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
-            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
-            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
-            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
-            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
-            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
-            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
-            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
-            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
-            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
-            "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" +
-            "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" +
-            "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" +
-            "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" +
-            "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" +
-            "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" +
-            "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" +
-            "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" +
-            "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" +
-            "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" +
-            "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34028492" +
-            "36C3FAB4 D27C7026 C1D4DCB2 602646DE C9751E76 3DBA37BD" +
-            "F8FF9406 AD9E530E E5DB382F 413001AE B06A53ED 9027D831" +
-            "179727B0 865A8918 DA3EDBEB CF9B14ED 44CE6CBA CED4BB1B" +
-            "DB7F1447 E6CC254B 33205151 2BD7AF42 6FB8F401 378CD2BF" +
-            "5983CA01 C64B92EC F032EA15 D1721D03 F482D7CE 6E74FEF6" +
-            "D55E702F 46980C82 B5A84031 900B1C9E 59E7C97F BEC7E8F3" +
-            "23A97A7E 36CC88BE 0F1D45B7 FF585AC5 4BD407B2 2B4154AA" +
-            "CC8F6D7E BF48E1D8 14CC5ED2 0F8037E0 A79715EE F29BE328" +
-            "06A1D58B B7C5DA76 F550AA3D 8A1FBFF0 EB19CCB1 A313D55C" +
-            "DA56C9EC 2EF29632 387FE8D7 6E3C0468 043E8F66 3F4860EE" +
-            "12BF2D5B 0B7474D6 E694F91E 6DBE1159 74A3926F 12FEE5E4" +
-            "38777CB6 A932DF8C D8BEC4D0 73B931BA 3BC832B6 8D9DD300" +
-            "741FA7BF 8AFC47ED 2576F693 6BA42466 3AAB639C 5AE4F568" +
-            "3423B474 2BF1C978 238F16CB E39D652D E3FDB8BE FC848AD9" +
-            "22222E04 A4037C07 13EB57A8 1A23F0C7 3473FC64 6CEA306B" +
-            "4BCBC886 2F8385DD FA9D4B7F A2C087E8 79683303 ED5BDD3A" +
-            "062B3CF5 B3A278A6 6D2A13F8 3F44F82D DF310EE0 74AB6A36" +
-            "4597E899 A0255DC1 64F31CC5 0846851D F9AB4819 5DED7EA1" +
-            "B1D510BD 7EE74D73 FAF36BC3 1ECFA268 359046F4 EB879F92" +
-            "4009438B 481C6CD7 889A002E D5EE382B C9190DA6 FC026E47" +
-            "9558E447 5677E9AA 9E3050E2 765694DF C81F56E8 80B96E71" +
-            "60C980DD 98EDD3DF FFFFFFFF FFFFFFFF";
-
-    public static BigInteger getBestPrime(int keySize) {
-        String primeString;
-        if (keySize >= (8192 + 6144) / 2) {
-            primeString = P8192;
-        } else if (keySize >= (6144 + 4096) / 2) {
-            primeString = P6144;
-        } else if (keySize >= (4096 + 3072) / 2) {
-            primeString = P4096;
-        } else if (keySize >= (3072 + 2048) / 2) {
-            primeString = P3072;
-        } else if (keySize >= (2048 + 1536) / 2) {
-            primeString = P2048;
-        } else {
-            primeString = P1536;
-        }
-
-        return new BigInteger(primeString.replaceAll(" ", ""), 16);
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import java.math.BigInteger;
+
+public final class Primes {
+    // taken from http://www.ietf.org/rfc/rfc3526.txt
+    public static final String P1536 =
+            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
+            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
+            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
+            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
+            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
+            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
+            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
+            "670C354E 4ABC9804 F1746C08 CA237327 FFFFFFFF FFFFFFFF";
+
+    public static final String P2048 =
+            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
+            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
+            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
+            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
+            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
+            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
+            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
+            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
+            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
+            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
+            "15728E5A 8AACAA68 FFFFFFFF FFFFFFFF";
+
+    public static final String P3072 =
+            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
+            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
+            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
+            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
+            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
+            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
+            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
+            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
+            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
+            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
+            "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" +
+            "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" +
+            "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" +
+            "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" +
+            "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" +
+            "43DB5BFC E0FD108E 4B82D120 A93AD2CA FFFFFFFF FFFFFFFF";
+
+    public static final String P4096 =
+            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
+            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
+            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
+            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
+            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
+            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
+            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
+            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
+            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
+            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
+            "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" +
+            "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" +
+            "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" +
+            "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" +
+            "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" +
+            "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" +
+            "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" +
+            "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" +
+            "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" +
+            "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" +
+            "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34063199" +
+            "FFFFFFFF FFFFFFFF";
+
+    public static final String P6144 =
+            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
+            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
+            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
+            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
+            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
+            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
+            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
+            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
+            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
+            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
+            "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" +
+            "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" +
+            "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" +
+            "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" +
+            "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" +
+            "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" +
+            "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" +
+            "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" +
+            "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" +
+            "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" +
+            "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34028492" +
+            "36C3FAB4 D27C7026 C1D4DCB2 602646DE C9751E76 3DBA37BD" +
+            "F8FF9406 AD9E530E E5DB382F 413001AE B06A53ED 9027D831" +
+            "179727B0 865A8918 DA3EDBEB CF9B14ED 44CE6CBA CED4BB1B" +
+            "DB7F1447 E6CC254B 33205151 2BD7AF42 6FB8F401 378CD2BF" +
+            "5983CA01 C64B92EC F032EA15 D1721D03 F482D7CE 6E74FEF6" +
+            "D55E702F 46980C82 B5A84031 900B1C9E 59E7C97F BEC7E8F3" +
+            "23A97A7E 36CC88BE 0F1D45B7 FF585AC5 4BD407B2 2B4154AA" +
+            "CC8F6D7E BF48E1D8 14CC5ED2 0F8037E0 A79715EE F29BE328" +
+            "06A1D58B B7C5DA76 F550AA3D 8A1FBFF0 EB19CCB1 A313D55C" +
+            "DA56C9EC 2EF29632 387FE8D7 6E3C0468 043E8F66 3F4860EE" +
+            "12BF2D5B 0B7474D6 E694F91E 6DCC4024 FFFFFFFF FFFFFFFF";
+
+    public static final String P8192 =
+            "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" +
+            "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" +
+            "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" +
+            "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" +
+            "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" +
+            "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" +
+            "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" +
+            "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" +
+            "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" +
+            "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" +
+            "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" +
+            "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" +
+            "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" +
+            "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" +
+            "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" +
+            "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" +
+            "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" +
+            "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" +
+            "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" +
+            "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" +
+            "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34028492" +
+            "36C3FAB4 D27C7026 C1D4DCB2 602646DE C9751E76 3DBA37BD" +
+            "F8FF9406 AD9E530E E5DB382F 413001AE B06A53ED 9027D831" +
+            "179727B0 865A8918 DA3EDBEB CF9B14ED 44CE6CBA CED4BB1B" +
+            "DB7F1447 E6CC254B 33205151 2BD7AF42 6FB8F401 378CD2BF" +
+            "5983CA01 C64B92EC F032EA15 D1721D03 F482D7CE 6E74FEF6" +
+            "D55E702F 46980C82 B5A84031 900B1C9E 59E7C97F BEC7E8F3" +
+            "23A97A7E 36CC88BE 0F1D45B7 FF585AC5 4BD407B2 2B4154AA" +
+            "CC8F6D7E BF48E1D8 14CC5ED2 0F8037E0 A79715EE F29BE328" +
+            "06A1D58B B7C5DA76 F550AA3D 8A1FBFF0 EB19CCB1 A313D55C" +
+            "DA56C9EC 2EF29632 387FE8D7 6E3C0468 043E8F66 3F4860EE" +
+            "12BF2D5B 0B7474D6 E694F91E 6DBE1159 74A3926F 12FEE5E4" +
+            "38777CB6 A932DF8C D8BEC4D0 73B931BA 3BC832B6 8D9DD300" +
+            "741FA7BF 8AFC47ED 2576F693 6BA42466 3AAB639C 5AE4F568" +
+            "3423B474 2BF1C978 238F16CB E39D652D E3FDB8BE FC848AD9" +
+            "22222E04 A4037C07 13EB57A8 1A23F0C7 3473FC64 6CEA306B" +
+            "4BCBC886 2F8385DD FA9D4B7F A2C087E8 79683303 ED5BDD3A" +
+            "062B3CF5 B3A278A6 6D2A13F8 3F44F82D DF310EE0 74AB6A36" +
+            "4597E899 A0255DC1 64F31CC5 0846851D F9AB4819 5DED7EA1" +
+            "B1D510BD 7EE74D73 FAF36BC3 1ECFA268 359046F4 EB879F92" +
+            "4009438B 481C6CD7 889A002E D5EE382B C9190DA6 FC026E47" +
+            "9558E447 5677E9AA 9E3050E2 765694DF C81F56E8 80B96E71" +
+            "60C980DD 98EDD3DF FFFFFFFF FFFFFFFF";
+
+    public static BigInteger getBestPrime(int keySize) {
+        String primeString;
+        if (keySize >= (8192 + 6144) / 2) {
+            primeString = P8192;
+        } else if (keySize >= (6144 + 4096) / 2) {
+            primeString = P6144;
+        } else if (keySize >= (4096 + 3072) / 2) {
+            primeString = P4096;
+        } else if (keySize >= (3072 + 2048) / 2) {
+            primeString = P3072;
+        } else if (keySize >= (2048 + 1536) / 2) {
+            primeString = P2048;
+        } else {
+            primeString = P1536;
+        }
+
+        return new BigInteger(primeString.replaceAll(" ", ""), 16);
+    }
+}
diff --git a/src/org/thialfihar/android/apg/ProgressDialogUpdater.java b/src/org/thialfihar/android/apg/ProgressDialogUpdater.java
index fe38c2a34..691a90353 100644
--- a/src/org/thialfihar/android/apg/ProgressDialogUpdater.java
+++ b/src/org/thialfihar/android/apg/ProgressDialogUpdater.java
@@ -1,23 +1,23 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-public interface ProgressDialogUpdater {
-    void setProgress(String message, int current, int total);
-    void setProgress(int resourceId, int current, int total);
-    void setProgress(int current, int total);
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+public interface ProgressDialogUpdater {
+    void setProgress(String message, int current, int total);
+    void setProgress(int resourceId, int current, int total);
+    void setProgress(int current, int total);
+}
diff --git a/src/org/thialfihar/android/apg/PublicKeyListActivity.java b/src/org/thialfihar/android/apg/PublicKeyListActivity.java
index 916d4e6c2..610e23683 100644
--- a/src/org/thialfihar/android/apg/PublicKeyListActivity.java
+++ b/src/org/thialfihar/android/apg/PublicKeyListActivity.java
@@ -1,62 +1,62 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import android.os.Bundle;
-import android.view.ContextMenu;
-import android.view.ContextMenu.ContextMenuInfo;
-import android.view.Menu;
-import android.view.View;
-import android.widget.ExpandableListView;
-
-public class PublicKeyListActivity extends KeyListActivity {
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        mExportFilename = Constants.path.app_dir + "/pubexport.asc";
-        mKeyType = Id.type.public_key;
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        menu.add(0, Id.menu.option.import_keys, 0, R.string.menu_importKeys)
-                .setIcon(android.R.drawable.ic_menu_add);
-        menu.add(0, Id.menu.option.export_keys, 1, R.string.menu_exportKeys)
-                .setIcon(android.R.drawable.ic_menu_save);
-        menu.add(1, Id.menu.option.search, 2, R.string.menu_search)
-                .setIcon(android.R.drawable.ic_menu_search);
-        menu.add(1, Id.menu.option.preferences, 3, R.string.menu_preferences)
-                .setIcon(android.R.drawable.ic_menu_preferences);
-        menu.add(1, Id.menu.option.about, 4, R.string.menu_about)
-                .setIcon(android.R.drawable.ic_menu_info_details);
-        return true;
-    }
-
-    @Override
-    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
-        super.onCreateContextMenu(menu, v, menuInfo);
-        ExpandableListView.ExpandableListContextMenuInfo info =
-                (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;
-        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
-
-        if (type == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
-            // TODO: user id? menu.setHeaderTitle("Key");
-            menu.add(0, Id.menu.export, 0, R.string.menu_exportKey);
-            menu.add(0, Id.menu.delete, 1, R.string.menu_deleteKey);
-        }
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import android.os.Bundle;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.Menu;
+import android.view.View;
+import android.widget.ExpandableListView;
+
+public class PublicKeyListActivity extends KeyListActivity {
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        mExportFilename = Constants.path.app_dir + "/pubexport.asc";
+        mKeyType = Id.type.public_key;
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        menu.add(0, Id.menu.option.import_keys, 0, R.string.menu_importKeys)
+                .setIcon(android.R.drawable.ic_menu_add);
+        menu.add(0, Id.menu.option.export_keys, 1, R.string.menu_exportKeys)
+                .setIcon(android.R.drawable.ic_menu_save);
+        menu.add(1, Id.menu.option.search, 2, R.string.menu_search)
+                .setIcon(android.R.drawable.ic_menu_search);
+        menu.add(1, Id.menu.option.preferences, 3, R.string.menu_preferences)
+                .setIcon(android.R.drawable.ic_menu_preferences);
+        menu.add(1, Id.menu.option.about, 4, R.string.menu_about)
+                .setIcon(android.R.drawable.ic_menu_info_details);
+        return true;
+    }
+
+    @Override
+    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+        super.onCreateContextMenu(menu, v, menuInfo);
+        ExpandableListView.ExpandableListContextMenuInfo info =
+                (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;
+        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
+
+        if (type == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
+            // TODO: user id? menu.setHeaderTitle("Key");
+            menu.add(0, Id.menu.export, 0, R.string.menu_exportKey);
+            menu.add(0, Id.menu.delete, 1, R.string.menu_deleteKey);
+        }
+    }
+}
diff --git a/src/org/thialfihar/android/apg/SecretKeyListActivity.java b/src/org/thialfihar/android/apg/SecretKeyListActivity.java
index 9ff7f0fa3..d3c89ddc9 100644
--- a/src/org/thialfihar/android/apg/SecretKeyListActivity.java
+++ b/src/org/thialfihar/android/apg/SecretKeyListActivity.java
@@ -1,180 +1,180 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import android.app.Dialog;
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.ContextMenu;
-import android.view.ContextMenu.ContextMenuInfo;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.ExpandableListView;
-import android.widget.ExpandableListView.ExpandableListContextMenuInfo;
-import android.widget.ExpandableListView.OnChildClickListener;
-
-public class SecretKeyListActivity extends KeyListActivity implements OnChildClickListener {
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        mExportFilename = Constants.path.app_dir + "/secexport.asc";
-        mKeyType = Id.type.secret_key;
-        super.onCreate(savedInstanceState);
-        mList.setOnChildClickListener(this);
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        menu.add(0, Id.menu.option.import_keys, 0, R.string.menu_importKeys)
-                .setIcon(android.R.drawable.ic_menu_add);
-        menu.add(0, Id.menu.option.export_keys, 1, R.string.menu_exportKeys)
-                .setIcon(android.R.drawable.ic_menu_save);
-        menu.add(1, Id.menu.option.create, 2, R.string.menu_createKey)
-                .setIcon(android.R.drawable.ic_menu_add);
-        menu.add(3, Id.menu.option.search, 3, R.string.menu_search)
-                .setIcon(android.R.drawable.ic_menu_search);
-        menu.add(3, Id.menu.option.preferences, 4, R.string.menu_preferences)
-                .setIcon(android.R.drawable.ic_menu_preferences);
-        menu.add(3, Id.menu.option.about, 5, R.string.menu_about)
-                .setIcon(android.R.drawable.ic_menu_info_details);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case Id.menu.option.create: {
-                createKey();
-                return true;
-            }
-
-            default: {
-                return super.onOptionsItemSelected(item);
-            }
-        }
-    }
-
-    @Override
-    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
-        super.onCreateContextMenu(menu, v, menuInfo);
-        ExpandableListView.ExpandableListContextMenuInfo info =
-                (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;
-        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
-
-        if (type == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
-            // TODO: user id? menu.setHeaderTitle("Key");
-            menu.add(0, Id.menu.edit, 0, R.string.menu_editKey);
-            menu.add(0, Id.menu.export, 1, R.string.menu_exportKey);
-            menu.add(0, Id.menu.delete, 2, R.string.menu_deleteKey);
-        }
-    }
-
-    @Override
-    public boolean onContextItemSelected(MenuItem menuItem) {
-        ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) menuItem.getMenuInfo();
-        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
-        int groupPosition = ExpandableListView.getPackedPositionGroup(info.packedPosition);
-
-        if (type != ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
-            return super.onContextItemSelected(menuItem);
-        }
-
-        switch (menuItem.getItemId()) {
-            case Id.menu.edit: {
-                mSelectedItem = groupPosition;
-                checkPassPhraseAndEdit();
-                return true;
-            }
-
-            default: {
-                return super.onContextItemSelected(menuItem);
-            }
-        }
-    }
-
-    @Override
-    public boolean onChildClick(ExpandableListView parent, View v, int groupPosition,
-                                int childPosition, long id) {
-        mSelectedItem = groupPosition;
-        checkPassPhraseAndEdit();
-        return true;
-    }
-
-    @Override
-    protected Dialog onCreateDialog(int id) {
-        switch (id) {
-            case Id.dialog.pass_phrase: {
-                long keyId = ((KeyListAdapter) mList.getExpandableListAdapter()).getGroupId(mSelectedItem);
-                return AskForSecretKeyPassPhrase.createDialog(this, keyId, this);
-            }
-
-            default: {
-                return super.onCreateDialog(id);
-            }
-        }
-    }
-
-    public void checkPassPhraseAndEdit() {
-        long keyId = ((KeyListAdapter) mList.getExpandableListAdapter()).getGroupId(mSelectedItem);
-        String passPhrase = Apg.getCachedPassPhrase(keyId);
-        if (passPhrase == null) {
-            showDialog(Id.dialog.pass_phrase);
-        } else {
-            Apg.setEditPassPhrase(passPhrase);
-            editKey();
-        }
-    }
-
-    @Override
-    public void passPhraseCallback(long keyId, String passPhrase) {
-        super.passPhraseCallback(keyId, passPhrase);
-        Apg.setEditPassPhrase(passPhrase);
-        editKey();
-    }
-
-    private void createKey() {
-        Apg.setEditPassPhrase("");
-        Intent intent = new Intent(this, EditKeyActivity.class);
-        startActivityForResult(intent, Id.message.create_key);
-    }
-
-    private void editKey() {
-        long keyId = ((KeyListAdapter) mList.getExpandableListAdapter()).getGroupId(mSelectedItem);
-        Intent intent = new Intent(this, EditKeyActivity.class);
-        intent.putExtra(Apg.EXTRA_KEY_ID, keyId);
-        startActivityForResult(intent, Id.message.edit_key);
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        switch (requestCode) {
-            case Id.message.create_key: // intentionally no break
-            case Id.message.edit_key: {
-                if (resultCode == RESULT_OK) {
-                    refreshList();
-                }
-                break;
-            }
-
-            default: {
-                break;
-            }
-        }
-
-        super.onActivityResult(requestCode, resultCode, data);
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import android.app.Dialog;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.ExpandableListView;
+import android.widget.ExpandableListView.ExpandableListContextMenuInfo;
+import android.widget.ExpandableListView.OnChildClickListener;
+
+public class SecretKeyListActivity extends KeyListActivity implements OnChildClickListener {
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        mExportFilename = Constants.path.app_dir + "/secexport.asc";
+        mKeyType = Id.type.secret_key;
+        super.onCreate(savedInstanceState);
+        mList.setOnChildClickListener(this);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        menu.add(0, Id.menu.option.import_keys, 0, R.string.menu_importKeys)
+                .setIcon(android.R.drawable.ic_menu_add);
+        menu.add(0, Id.menu.option.export_keys, 1, R.string.menu_exportKeys)
+                .setIcon(android.R.drawable.ic_menu_save);
+        menu.add(1, Id.menu.option.create, 2, R.string.menu_createKey)
+                .setIcon(android.R.drawable.ic_menu_add);
+        menu.add(3, Id.menu.option.search, 3, R.string.menu_search)
+                .setIcon(android.R.drawable.ic_menu_search);
+        menu.add(3, Id.menu.option.preferences, 4, R.string.menu_preferences)
+                .setIcon(android.R.drawable.ic_menu_preferences);
+        menu.add(3, Id.menu.option.about, 5, R.string.menu_about)
+                .setIcon(android.R.drawable.ic_menu_info_details);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case Id.menu.option.create: {
+                createKey();
+                return true;
+            }
+
+            default: {
+                return super.onOptionsItemSelected(item);
+            }
+        }
+    }
+
+    @Override
+    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+        super.onCreateContextMenu(menu, v, menuInfo);
+        ExpandableListView.ExpandableListContextMenuInfo info =
+                (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;
+        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
+
+        if (type == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
+            // TODO: user id? menu.setHeaderTitle("Key");
+            menu.add(0, Id.menu.edit, 0, R.string.menu_editKey);
+            menu.add(0, Id.menu.export, 1, R.string.menu_exportKey);
+            menu.add(0, Id.menu.delete, 2, R.string.menu_deleteKey);
+        }
+    }
+
+    @Override
+    public boolean onContextItemSelected(MenuItem menuItem) {
+        ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) menuItem.getMenuInfo();
+        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
+        int groupPosition = ExpandableListView.getPackedPositionGroup(info.packedPosition);
+
+        if (type != ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
+            return super.onContextItemSelected(menuItem);
+        }
+
+        switch (menuItem.getItemId()) {
+            case Id.menu.edit: {
+                mSelectedItem = groupPosition;
+                checkPassPhraseAndEdit();
+                return true;
+            }
+
+            default: {
+                return super.onContextItemSelected(menuItem);
+            }
+        }
+    }
+
+    @Override
+    public boolean onChildClick(ExpandableListView parent, View v, int groupPosition,
+                                int childPosition, long id) {
+        mSelectedItem = groupPosition;
+        checkPassPhraseAndEdit();
+        return true;
+    }
+
+    @Override
+    protected Dialog onCreateDialog(int id) {
+        switch (id) {
+            case Id.dialog.pass_phrase: {
+                long keyId = ((KeyListAdapter) mList.getExpandableListAdapter()).getGroupId(mSelectedItem);
+                return AskForSecretKeyPassPhrase.createDialog(this, keyId, this);
+            }
+
+            default: {
+                return super.onCreateDialog(id);
+            }
+        }
+    }
+
+    public void checkPassPhraseAndEdit() {
+        long keyId = ((KeyListAdapter) mList.getExpandableListAdapter()).getGroupId(mSelectedItem);
+        String passPhrase = Apg.getCachedPassPhrase(keyId);
+        if (passPhrase == null) {
+            showDialog(Id.dialog.pass_phrase);
+        } else {
+            Apg.setEditPassPhrase(passPhrase);
+            editKey();
+        }
+    }
+
+    @Override
+    public void passPhraseCallback(long keyId, String passPhrase) {
+        super.passPhraseCallback(keyId, passPhrase);
+        Apg.setEditPassPhrase(passPhrase);
+        editKey();
+    }
+
+    private void createKey() {
+        Apg.setEditPassPhrase("");
+        Intent intent = new Intent(this, EditKeyActivity.class);
+        startActivityForResult(intent, Id.message.create_key);
+    }
+
+    private void editKey() {
+        long keyId = ((KeyListAdapter) mList.getExpandableListAdapter()).getGroupId(mSelectedItem);
+        Intent intent = new Intent(this, EditKeyActivity.class);
+        intent.putExtra(Apg.EXTRA_KEY_ID, keyId);
+        startActivityForResult(intent, Id.message.edit_key);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        switch (requestCode) {
+            case Id.message.create_key: // intentionally no break
+            case Id.message.edit_key: {
+                if (resultCode == RESULT_OK) {
+                    refreshList();
+                }
+                break;
+            }
+
+            default: {
+                break;
+            }
+        }
+
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+}
diff --git a/src/org/thialfihar/android/apg/SelectPublicKeyListAdapter.java b/src/org/thialfihar/android/apg/SelectPublicKeyListAdapter.java
index 095772ec2..cbbb88371 100644
--- a/src/org/thialfihar/android/apg/SelectPublicKeyListAdapter.java
+++ b/src/org/thialfihar/android/apg/SelectPublicKeyListAdapter.java
@@ -1,225 +1,225 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg;
-
-import java.util.Date;
-
-import org.thialfihar.android.apg.provider.KeyRings;
-import org.thialfihar.android.apg.provider.Keys;
-import org.thialfihar.android.apg.provider.UserIds;
-
-import android.app.Activity;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.DatabaseUtils;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteQueryBuilder;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-import android.widget.CheckBox;
-import android.widget.ListView;
-import android.widget.TextView;
-
-public class SelectPublicKeyListAdapter extends BaseAdapter {
-    protected LayoutInflater mInflater;
-    protected ListView mParent;
-    protected SQLiteDatabase mDatabase;
-    protected Cursor mCursor;
-    protected String mSearchString;
-    protected Activity mActivity;
-
-    public SelectPublicKeyListAdapter(Activity activity, ListView parent,
-                                      String searchString, long selectedKeyIds[]) {
-        mSearchString = searchString;
-
-        mActivity = activity;
-        mParent = parent;
-        mDatabase =  Apg.getDatabase().db();
-        mInflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-        long now = new Date().getTime() / 1000;
-        SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
-        qb.setTables(KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " +
-                                    "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
-                                    Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + " AND " +
-                                    Keys.TABLE_NAME + "." + Keys.IS_MASTER_KEY + " = '1'" +
-                                    ") " +
-                                    " INNER JOIN " + UserIds.TABLE_NAME + " ON " +
-                                    "(" + Keys.TABLE_NAME + "." + Keys._ID + " = " +
-                                    UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " AND " +
-                                    UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0') ");
-
-        String inIdList = null;
-
-        if (selectedKeyIds != null && selectedKeyIds.length > 0) {
-            inIdList = KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID + " IN (";
-            for (int i = 0; i < selectedKeyIds.length; ++i) {
-                if (i != 0) {
-                    inIdList += ", ";
-                }
-                inIdList += DatabaseUtils.sqlEscapeString("" + selectedKeyIds[i]);
-            }
-            inIdList += ")";
-        }
-
-        if (searchString != null && searchString.trim().length() > 0) {
-            String[] chunks = searchString.trim().split(" +");
-            qb.appendWhere("(EXISTS (SELECT tmp." + UserIds._ID + " FROM " +
-                                    UserIds.TABLE_NAME + " AS tmp WHERE " +
-                                    "tmp." + UserIds.KEY_ID + " = " +
-                                    Keys.TABLE_NAME + "." + Keys._ID);
-            for (int i = 0; i < chunks.length; ++i) {
-                qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE ");
-                qb.appendWhereEscapeString("%" + chunks[i] + "%");
-            }
-            qb.appendWhere("))");
-
-            if (inIdList != null) {
-                qb.appendWhere(" OR (" + inIdList + ")");
-            }
-        }
-
-        String orderBy = UserIds.TABLE_NAME + "." + UserIds.USER_ID + " ASC";
-        if (inIdList != null) {
-            orderBy = inIdList + " DESC, " + orderBy;
-        }
-
-        mCursor = qb.query(mDatabase,
-              new String[] {
-                  KeyRings.TABLE_NAME + "." + KeyRings._ID,           // 0
-                  KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID, // 1
-                  UserIds.TABLE_NAME + "." + UserIds.USER_ID,         // 2
-                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
-                      "tmp." + Keys.KEY_RING_ID + " = " +
-                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
-                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
-                      "tmp." + Keys.CAN_ENCRYPT + " = '1')",          // 3
-                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
-                      "tmp." + Keys.KEY_RING_ID + " = " +
-                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
-                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
-                      "tmp." + Keys.CAN_ENCRYPT + " = '1' AND " +
-                      "tmp." + Keys.CREATION + " <= '" + now + "' AND " +
-                      "(tmp." + Keys.EXPIRY + " IS NULL OR " +
-                       "tmp." + Keys.EXPIRY + " >= '" + now + "'))",  // 4
-              },
-              KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
-              new String[] { "" + Id.database.type_public },
-              null, null, orderBy);
-
-        activity.startManagingCursor(mCursor);
-    }
-
-    public void cleanup() {
-        if (mCursor != null) {
-            mActivity.stopManagingCursor(mCursor);
-            mCursor.close();
-        }
-    }
-
-    @Override
-    public boolean isEnabled(int position) {
-        mCursor.moveToPosition(position);
-        return mCursor.getInt(4) > 0; // valid CAN_ENCRYPT
-    }
-
-    @Override
-    public boolean hasStableIds() {
-        return true;
-    }
-
-    @Override
-    public int getCount() {
-        return mCursor.getCount();
-    }
-
-    @Override
-    public Object getItem(int position) {
-        return position;
-    }
-
-    @Override
-    public long getItemId(int position) {
-        mCursor.moveToPosition(position);
-        return mCursor.getLong(1); // MASTER_KEY_ID
-    }
-
-    @Override
-    public View getView(int position, View convertView, ViewGroup parent) {
-        mCursor.moveToPosition(position);
-
-        View view = mInflater.inflate(R.layout.select_public_key_item, null);
-        boolean enabled = isEnabled(position);
-
-        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
-        mainUserId.setText(R.string.unknownUserId);
-        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
-        mainUserIdRest.setText("");
-        TextView keyId = (TextView) view.findViewById(R.id.keyId);
-        keyId.setText(R.string.noKey);
-        TextView status = (TextView) view.findViewById(R.id.status);
-        status.setText(R.string.unknownStatus);
-
-        String userId = mCursor.getString(2); // USER_ID
-        if (userId != null) {
-            String chunks[] = userId.split(" <", 2);
-            userId = chunks[0];
-            if (chunks.length > 1) {
-                mainUserIdRest.setText("<" + chunks[1]);
-            }
-            mainUserId.setText(userId);
-        }
-
-        long masterKeyId = mCursor.getLong(1); // MASTER_KEY_ID
-        keyId.setText("" + Long.toHexString(masterKeyId & 0xffffffffL));
-
-        if (mainUserIdRest.getText().length() == 0) {
-            mainUserIdRest.setVisibility(View.GONE);
-        }
-
-        if (enabled) {
-            status.setText(R.string.canEncrypt);
-        } else {
-            if (mCursor.getInt(3) > 0) {
-                // has some CAN_ENCRYPT keys, but col(4) = 0, so must be revoked or expired
-                status.setText(R.string.expired);
-            } else {
-                status.setText(R.string.noKey);
-            }
-        }
-
-        status.setText(status.getText() + " ");
-
-        CheckBox selected = (CheckBox) view.findViewById(R.id.selected);
-
-        if (!enabled) {
-            mParent.setItemChecked(position, false);
-        }
-
-        selected.setChecked(mParent.isItemChecked(position));
-
-        view.setEnabled(enabled);
-        mainUserId.setEnabled(enabled);
-        mainUserIdRest.setEnabled(enabled);
-        keyId.setEnabled(enabled);
-        selected.setEnabled(enabled);
-        status.setEnabled(enabled);
-
-        return view;
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg;
+
+import java.util.Date;
+
+import org.thialfihar.android.apg.provider.KeyRings;
+import org.thialfihar.android.apg.provider.Keys;
+import org.thialfihar.android.apg.provider.UserIds;
+
+import android.app.Activity;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.DatabaseUtils;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteQueryBuilder;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.CheckBox;
+import android.widget.ListView;
+import android.widget.TextView;
+
+public class SelectPublicKeyListAdapter extends BaseAdapter {
+    protected LayoutInflater mInflater;
+    protected ListView mParent;
+    protected SQLiteDatabase mDatabase;
+    protected Cursor mCursor;
+    protected String mSearchString;
+    protected Activity mActivity;
+
+    public SelectPublicKeyListAdapter(Activity activity, ListView parent,
+                                      String searchString, long selectedKeyIds[]) {
+        mSearchString = searchString;
+
+        mActivity = activity;
+        mParent = parent;
+        mDatabase =  Apg.getDatabase().db();
+        mInflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        long now = new Date().getTime() / 1000;
+        SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
+        qb.setTables(KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " +
+                                    "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
+                                    Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + " AND " +
+                                    Keys.TABLE_NAME + "." + Keys.IS_MASTER_KEY + " = '1'" +
+                                    ") " +
+                                    " INNER JOIN " + UserIds.TABLE_NAME + " ON " +
+                                    "(" + Keys.TABLE_NAME + "." + Keys._ID + " = " +
+                                    UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " AND " +
+                                    UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0') ");
+
+        String inIdList = null;
+
+        if (selectedKeyIds != null && selectedKeyIds.length > 0) {
+            inIdList = KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID + " IN (";
+            for (int i = 0; i < selectedKeyIds.length; ++i) {
+                if (i != 0) {
+                    inIdList += ", ";
+                }
+                inIdList += DatabaseUtils.sqlEscapeString("" + selectedKeyIds[i]);
+            }
+            inIdList += ")";
+        }
+
+        if (searchString != null && searchString.trim().length() > 0) {
+            String[] chunks = searchString.trim().split(" +");
+            qb.appendWhere("(EXISTS (SELECT tmp." + UserIds._ID + " FROM " +
+                                    UserIds.TABLE_NAME + " AS tmp WHERE " +
+                                    "tmp." + UserIds.KEY_ID + " = " +
+                                    Keys.TABLE_NAME + "." + Keys._ID);
+            for (int i = 0; i < chunks.length; ++i) {
+                qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE ");
+                qb.appendWhereEscapeString("%" + chunks[i] + "%");
+            }
+            qb.appendWhere("))");
+
+            if (inIdList != null) {
+                qb.appendWhere(" OR (" + inIdList + ")");
+            }
+        }
+
+        String orderBy = UserIds.TABLE_NAME + "." + UserIds.USER_ID + " ASC";
+        if (inIdList != null) {
+            orderBy = inIdList + " DESC, " + orderBy;
+        }
+
+        mCursor = qb.query(mDatabase,
+              new String[] {
+                  KeyRings.TABLE_NAME + "." + KeyRings._ID,           // 0
+                  KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID, // 1
+                  UserIds.TABLE_NAME + "." + UserIds.USER_ID,         // 2
+                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
+                      "tmp." + Keys.KEY_RING_ID + " = " +
+                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
+                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
+                      "tmp." + Keys.CAN_ENCRYPT + " = '1')",          // 3
+                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
+                      "tmp." + Keys.KEY_RING_ID + " = " +
+                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
+                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
+                      "tmp." + Keys.CAN_ENCRYPT + " = '1' AND " +
+                      "tmp." + Keys.CREATION + " <= '" + now + "' AND " +
+                      "(tmp." + Keys.EXPIRY + " IS NULL OR " +
+                       "tmp." + Keys.EXPIRY + " >= '" + now + "'))",  // 4
+              },
+              KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
+              new String[] { "" + Id.database.type_public },
+              null, null, orderBy);
+
+        activity.startManagingCursor(mCursor);
+    }
+
+    public void cleanup() {
+        if (mCursor != null) {
+            mActivity.stopManagingCursor(mCursor);
+            mCursor.close();
+        }
+    }
+
+    @Override
+    public boolean isEnabled(int position) {
+        mCursor.moveToPosition(position);
+        return mCursor.getInt(4) > 0; // valid CAN_ENCRYPT
+    }
+
+    @Override
+    public boolean hasStableIds() {
+        return true;
+    }
+
+    @Override
+    public int getCount() {
+        return mCursor.getCount();
+    }
+
+    @Override
+    public Object getItem(int position) {
+        return position;
+    }
+
+    @Override
+    public long getItemId(int position) {
+        mCursor.moveToPosition(position);
+        return mCursor.getLong(1); // MASTER_KEY_ID
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        mCursor.moveToPosition(position);
+
+        View view = mInflater.inflate(R.layout.select_public_key_item, null);
+        boolean enabled = isEnabled(position);
+
+        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
+        mainUserId.setText(R.string.unknownUserId);
+        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
+        mainUserIdRest.setText("");
+        TextView keyId = (TextView) view.findViewById(R.id.keyId);
+        keyId.setText(R.string.noKey);
+        TextView status = (TextView) view.findViewById(R.id.status);
+        status.setText(R.string.unknownStatus);
+
+        String userId = mCursor.getString(2); // USER_ID
+        if (userId != null) {
+            String chunks[] = userId.split(" <", 2);
+            userId = chunks[0];
+            if (chunks.length > 1) {
+                mainUserIdRest.setText("<" + chunks[1]);
+            }
+            mainUserId.setText(userId);
+        }
+
+        long masterKeyId = mCursor.getLong(1); // MASTER_KEY_ID
+        keyId.setText("" + Long.toHexString(masterKeyId & 0xffffffffL));
+
+        if (mainUserIdRest.getText().length() == 0) {
+            mainUserIdRest.setVisibility(View.GONE);
+        }
+
+        if (enabled) {
+            status.setText(R.string.canEncrypt);
+        } else {
+            if (mCursor.getInt(3) > 0) {
+                // has some CAN_ENCRYPT keys, but col(4) = 0, so must be revoked or expired
+                status.setText(R.string.expired);
+            } else {
+                status.setText(R.string.noKey);
+            }
+        }
+
+        status.setText(status.getText() + " ");
+
+        CheckBox selected = (CheckBox) view.findViewById(R.id.selected);
+
+        if (!enabled) {
+            mParent.setItemChecked(position, false);
+        }
+
+        selected.setChecked(mParent.isItemChecked(position));
+
+        view.setEnabled(enabled);
+        mainUserId.setEnabled(enabled);
+        mainUserIdRest.setEnabled(enabled);
+        keyId.setEnabled(enabled);
+        selected.setEnabled(enabled);
+        status.setEnabled(enabled);
+
+        return view;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/SelectSecretKeyListAdapter.java b/src/org/thialfihar/android/apg/SelectSecretKeyListAdapter.java
index d83c2aca6..898a9e6da 100644
--- a/src/org/thialfihar/android/apg/SelectSecretKeyListAdapter.java
+++ b/src/org/thialfihar/android/apg/SelectSecretKeyListAdapter.java
@@ -1,175 +1,175 @@
-package org.thialfihar.android.apg;
-
-import java.util.Date;
-
-import org.thialfihar.android.apg.provider.KeyRings;
-import org.thialfihar.android.apg.provider.Keys;
-import org.thialfihar.android.apg.provider.UserIds;
-
-import android.app.Activity;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteQueryBuilder;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-import android.widget.ListView;
-import android.widget.TextView;
-
-public class SelectSecretKeyListAdapter extends BaseAdapter {
-    protected LayoutInflater mInflater;
-    protected ListView mParent;
-    protected SQLiteDatabase mDatabase;
-    protected Cursor mCursor;
-    protected String mSearchString;
-    protected Activity mActivity;
-
-    public SelectSecretKeyListAdapter(Activity activity, ListView parent, String searchString) {
-        mSearchString = searchString;
-
-        mActivity = activity;
-        mParent = parent;
-        mDatabase =  Apg.getDatabase().db();
-        mInflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-        long now = new Date().getTime() / 1000;
-        SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
-        qb.setTables(KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " +
-                                    "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
-                                    Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + " AND " +
-                                    Keys.TABLE_NAME + "." + Keys.IS_MASTER_KEY + " = '1'" +
-                                    ") " +
-                                    " INNER JOIN " + UserIds.TABLE_NAME + " ON " +
-                                    "(" + Keys.TABLE_NAME + "." + Keys._ID + " = " +
-                                    UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " AND " +
-                                    UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0') ");
-
-        if (searchString != null && searchString.trim().length() > 0) {
-            String[] chunks = searchString.trim().split(" +");
-            qb.appendWhere("EXISTS (SELECT tmp." + UserIds._ID + " FROM " +
-                                    UserIds.TABLE_NAME + " AS tmp WHERE " +
-                                    "tmp." + UserIds.KEY_ID + " = " +
-                                    Keys.TABLE_NAME + "." + Keys._ID);
-            for (int i = 0; i < chunks.length; ++i) {
-                qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE ");
-                qb.appendWhereEscapeString("%" + chunks[i] + "%");
-            }
-            qb.appendWhere(")");
-        }
-
-        mCursor = qb.query(mDatabase,
-              new String[] {
-                  KeyRings.TABLE_NAME + "." + KeyRings._ID,           // 0
-                  KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID, // 1
-                  UserIds.TABLE_NAME + "." + UserIds.USER_ID,         // 2
-                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
-                      "tmp." + Keys.KEY_RING_ID + " = " +
-                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
-                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
-                      "tmp." + Keys.CAN_SIGN + " = '1')",             // 3,
-                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
-                      "tmp." + Keys.KEY_RING_ID + " = " +
-                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
-                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
-                      "tmp." + Keys.CAN_SIGN + " = '1' AND " +
-                      "tmp." + Keys.CREATION + " <= '" + now + "' AND " +
-                      "(tmp." + Keys.EXPIRY + " IS NULL OR " +
-                       "tmp." + Keys.EXPIRY + " >= '" + now + "'))",  // 4
-              },
-              KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
-              new String[] { "" + Id.database.type_secret },
-              null, null, UserIds.TABLE_NAME + "." + UserIds.USER_ID + " ASC");
-
-        activity.startManagingCursor(mCursor);
-    }
-
-    public void cleanup() {
-        if (mCursor != null) {
-            mActivity.stopManagingCursor(mCursor);
-            mCursor.close();
-        }
-    }
-
-    @Override
-    public boolean isEnabled(int position) {
-        mCursor.moveToPosition(position);
-        return mCursor.getInt(4) > 0; // valid CAN_SIGN
-    }
-
-    @Override
-    public boolean hasStableIds() {
-        return true;
-    }
-
-    @Override
-    public int getCount() {
-        return mCursor.getCount();
-    }
-
-    @Override
-    public Object getItem(int position) {
-        return position;
-    }
-
-    @Override
-    public long getItemId(int position) {
-        mCursor.moveToPosition(position);
-        return mCursor.getLong(1); // MASTER_KEY_ID
-    }
-
-    @Override
-    public View getView(int position, View convertView, ViewGroup parent) {
-        mCursor.moveToPosition(position);
-
-        View view = mInflater.inflate(R.layout.select_secret_key_item, null);
-        boolean enabled = isEnabled(position);
-
-        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
-        mainUserId.setText(R.string.unknownUserId);
-        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
-        mainUserIdRest.setText("");
-        TextView keyId = (TextView) view.findViewById(R.id.keyId);
-        keyId.setText(R.string.noKey);
-        TextView status = (TextView) view.findViewById(R.id.status);
-        status.setText(R.string.unknownStatus);
-
-        String userId = mCursor.getString(2); // USER_ID
-        if (userId != null) {
-            String chunks[] = userId.split(" <", 2);
-            userId = chunks[0];
-            if (chunks.length > 1) {
-                mainUserIdRest.setText("<" + chunks[1]);
-            }
-            mainUserId.setText(userId);
-        }
-
-        long masterKeyId = mCursor.getLong(1); // MASTER_KEY_ID
-        keyId.setText("" + Long.toHexString(masterKeyId & 0xffffffffL));
-
-        if (mainUserIdRest.getText().length() == 0) {
-            mainUserIdRest.setVisibility(View.GONE);
-        }
-
-        if (enabled) {
-            status.setText(R.string.canSign);
-        } else {
-            if (mCursor.getInt(3) > 0) {
-                // has some CAN_SIGN keys, but col(4) = 0, so must be revoked or expired
-                status.setText(R.string.expired);
-            } else {
-                status.setText(R.string.noKey);
-            }
-        }
-
-        status.setText(status.getText() + " ");
-
-        view.setEnabled(enabled);
-        mainUserId.setEnabled(enabled);
-        mainUserIdRest.setEnabled(enabled);
-        keyId.setEnabled(enabled);
-        status.setEnabled(enabled);
-
-        return view;
-    }
+package org.thialfihar.android.apg;
+
+import java.util.Date;
+
+import org.thialfihar.android.apg.provider.KeyRings;
+import org.thialfihar.android.apg.provider.Keys;
+import org.thialfihar.android.apg.provider.UserIds;
+
+import android.app.Activity;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteQueryBuilder;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+public class SelectSecretKeyListAdapter extends BaseAdapter {
+    protected LayoutInflater mInflater;
+    protected ListView mParent;
+    protected SQLiteDatabase mDatabase;
+    protected Cursor mCursor;
+    protected String mSearchString;
+    protected Activity mActivity;
+
+    public SelectSecretKeyListAdapter(Activity activity, ListView parent, String searchString) {
+        mSearchString = searchString;
+
+        mActivity = activity;
+        mParent = parent;
+        mDatabase =  Apg.getDatabase().db();
+        mInflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        long now = new Date().getTime() / 1000;
+        SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
+        qb.setTables(KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " +
+                                    "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
+                                    Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + " AND " +
+                                    Keys.TABLE_NAME + "." + Keys.IS_MASTER_KEY + " = '1'" +
+                                    ") " +
+                                    " INNER JOIN " + UserIds.TABLE_NAME + " ON " +
+                                    "(" + Keys.TABLE_NAME + "." + Keys._ID + " = " +
+                                    UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " AND " +
+                                    UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0') ");
+
+        if (searchString != null && searchString.trim().length() > 0) {
+            String[] chunks = searchString.trim().split(" +");
+            qb.appendWhere("EXISTS (SELECT tmp." + UserIds._ID + " FROM " +
+                                    UserIds.TABLE_NAME + " AS tmp WHERE " +
+                                    "tmp." + UserIds.KEY_ID + " = " +
+                                    Keys.TABLE_NAME + "." + Keys._ID);
+            for (int i = 0; i < chunks.length; ++i) {
+                qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE ");
+                qb.appendWhereEscapeString("%" + chunks[i] + "%");
+            }
+            qb.appendWhere(")");
+        }
+
+        mCursor = qb.query(mDatabase,
+              new String[] {
+                  KeyRings.TABLE_NAME + "." + KeyRings._ID,           // 0
+                  KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID, // 1
+                  UserIds.TABLE_NAME + "." + UserIds.USER_ID,         // 2
+                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
+                      "tmp." + Keys.KEY_RING_ID + " = " +
+                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
+                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
+                      "tmp." + Keys.CAN_SIGN + " = '1')",             // 3,
+                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
+                      "tmp." + Keys.KEY_RING_ID + " = " +
+                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
+                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
+                      "tmp." + Keys.CAN_SIGN + " = '1' AND " +
+                      "tmp." + Keys.CREATION + " <= '" + now + "' AND " +
+                      "(tmp." + Keys.EXPIRY + " IS NULL OR " +
+                       "tmp." + Keys.EXPIRY + " >= '" + now + "'))",  // 4
+              },
+              KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
+              new String[] { "" + Id.database.type_secret },
+              null, null, UserIds.TABLE_NAME + "." + UserIds.USER_ID + " ASC");
+
+        activity.startManagingCursor(mCursor);
+    }
+
+    public void cleanup() {
+        if (mCursor != null) {
+            mActivity.stopManagingCursor(mCursor);
+            mCursor.close();
+        }
+    }
+
+    @Override
+    public boolean isEnabled(int position) {
+        mCursor.moveToPosition(position);
+        return mCursor.getInt(4) > 0; // valid CAN_SIGN
+    }
+
+    @Override
+    public boolean hasStableIds() {
+        return true;
+    }
+
+    @Override
+    public int getCount() {
+        return mCursor.getCount();
+    }
+
+    @Override
+    public Object getItem(int position) {
+        return position;
+    }
+
+    @Override
+    public long getItemId(int position) {
+        mCursor.moveToPosition(position);
+        return mCursor.getLong(1); // MASTER_KEY_ID
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        mCursor.moveToPosition(position);
+
+        View view = mInflater.inflate(R.layout.select_secret_key_item, null);
+        boolean enabled = isEnabled(position);
+
+        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
+        mainUserId.setText(R.string.unknownUserId);
+        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
+        mainUserIdRest.setText("");
+        TextView keyId = (TextView) view.findViewById(R.id.keyId);
+        keyId.setText(R.string.noKey);
+        TextView status = (TextView) view.findViewById(R.id.status);
+        status.setText(R.string.unknownStatus);
+
+        String userId = mCursor.getString(2); // USER_ID
+        if (userId != null) {
+            String chunks[] = userId.split(" <", 2);
+            userId = chunks[0];
+            if (chunks.length > 1) {
+                mainUserIdRest.setText("<" + chunks[1]);
+            }
+            mainUserId.setText(userId);
+        }
+
+        long masterKeyId = mCursor.getLong(1); // MASTER_KEY_ID
+        keyId.setText("" + Long.toHexString(masterKeyId & 0xffffffffL));
+
+        if (mainUserIdRest.getText().length() == 0) {
+            mainUserIdRest.setVisibility(View.GONE);
+        }
+
+        if (enabled) {
+            status.setText(R.string.canSign);
+        } else {
+            if (mCursor.getInt(3) > 0) {
+                // has some CAN_SIGN keys, but col(4) = 0, so must be revoked or expired
+                status.setText(R.string.expired);
+            } else {
+                status.setText(R.string.noKey);
+            }
+        }
+
+        status.setText(status.getText() + " ");
+
+        view.setEnabled(enabled);
+        mainUserId.setEnabled(enabled);
+        mainUserIdRest.setEnabled(enabled);
+        keyId.setEnabled(enabled);
+        status.setEnabled(enabled);
+
+        return view;
+    }
 }
\ No newline at end of file
diff --git a/src/org/thialfihar/android/apg/Service.java b/src/org/thialfihar/android/apg/Service.java
index 6105473db..70bc80a16 100644
--- a/src/org/thialfihar/android/apg/Service.java
+++ b/src/org/thialfihar/android/apg/Service.java
@@ -1,78 +1,78 @@
-package org.thialfihar.android.apg;
-
-import android.content.Intent;
-import android.os.Binder;
-import android.os.Handler;
-import android.os.IBinder;
-
-public class Service extends android.app.Service {
-    private final IBinder mBinder = new LocalBinder();
-
-    public static final String EXTRA_TTL = "ttl";
-
-    private int mPassPhraseCacheTtl = 15;
-    private Handler mCacheHandler = new Handler();
-    private Runnable mCacheTask = new Runnable() {
-        public void run() {
-            // check every ttl/2 seconds, which shouldn't be heavy on the device (even if ttl = 15),
-            // and makes sure the longest a pass phrase survives in the cache is 1.5 * ttl
-            int delay = mPassPhraseCacheTtl * 1000 / 2;
-            // also make sure the delay is not longer than one minute
-            if (delay > 60000) {
-                delay = 60000;
-            }
-
-            delay = Apg.cleanUpCache(mPassPhraseCacheTtl, delay);
-            // don't check too often, even if we were close
-            if (delay < 5000) {
-                delay = 5000;
-            }
-
-            mCacheHandler.postDelayed(this, delay);
-        }
-    };
-
-    static private boolean mIsRunning = false;
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-
-        mIsRunning = true;
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        mIsRunning = false;
-    }
-
-    @Override
-    public void onStart(Intent intent, int startId) {
-        super.onStart(intent, startId);
-
-        if (intent != null) {
-            mPassPhraseCacheTtl = intent.getIntExtra(EXTRA_TTL, 15);
-        }
-        if (mPassPhraseCacheTtl < 15) {
-            mPassPhraseCacheTtl = 15;
-        }
-        mCacheHandler.removeCallbacks(mCacheTask);
-        mCacheHandler.postDelayed(mCacheTask, 1000);
-    }
-
-    static public boolean isRunning() {
-        return mIsRunning;
-    }
-
-    public class LocalBinder extends Binder {
-        Service getService() {
-            return Service.this;
-        }
-    }
-
-    @Override
-    public IBinder onBind(Intent intent) {
-        return mBinder;
-    }
-}
+package org.thialfihar.android.apg;
+
+import android.content.Intent;
+import android.os.Binder;
+import android.os.Handler;
+import android.os.IBinder;
+
+public class Service extends android.app.Service {
+    private final IBinder mBinder = new LocalBinder();
+
+    public static final String EXTRA_TTL = "ttl";
+
+    private int mPassPhraseCacheTtl = 15;
+    private Handler mCacheHandler = new Handler();
+    private Runnable mCacheTask = new Runnable() {
+        public void run() {
+            // check every ttl/2 seconds, which shouldn't be heavy on the device (even if ttl = 15),
+            // and makes sure the longest a pass phrase survives in the cache is 1.5 * ttl
+            int delay = mPassPhraseCacheTtl * 1000 / 2;
+            // also make sure the delay is not longer than one minute
+            if (delay > 60000) {
+                delay = 60000;
+            }
+
+            delay = Apg.cleanUpCache(mPassPhraseCacheTtl, delay);
+            // don't check too often, even if we were close
+            if (delay < 5000) {
+                delay = 5000;
+            }
+
+            mCacheHandler.postDelayed(this, delay);
+        }
+    };
+
+    static private boolean mIsRunning = false;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        mIsRunning = true;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        mIsRunning = false;
+    }
+
+    @Override
+    public void onStart(Intent intent, int startId) {
+        super.onStart(intent, startId);
+
+        if (intent != null) {
+            mPassPhraseCacheTtl = intent.getIntExtra(EXTRA_TTL, 15);
+        }
+        if (mPassPhraseCacheTtl < 15) {
+            mPassPhraseCacheTtl = 15;
+        }
+        mCacheHandler.removeCallbacks(mCacheTask);
+        mCacheHandler.postDelayed(mCacheTask, 1000);
+    }
+
+    static public boolean isRunning() {
+        return mIsRunning;
+    }
+
+    public class LocalBinder extends Binder {
+        Service getService() {
+            return Service.this;
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return mBinder;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/provider/Accounts.java b/src/org/thialfihar/android/apg/provider/Accounts.java
index 8162472ec..e1829ef4b 100644
--- a/src/org/thialfihar/android/apg/provider/Accounts.java
+++ b/src/org/thialfihar/android/apg/provider/Accounts.java
@@ -1,27 +1,27 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.provider;
-
-import android.provider.BaseColumns;
-
-public class Accounts implements BaseColumns {
-    public static final String TABLE_NAME = "accounts";
-
-    public static final String _ID_type = "INTEGER PRIMARY KEY";
-    public static final String NAME = "c_name";
-    public static final String NAME_type = "TEXT";
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.provider;
+
+import android.provider.BaseColumns;
+
+public class Accounts implements BaseColumns {
+    public static final String TABLE_NAME = "accounts";
+
+    public static final String _ID_type = "INTEGER PRIMARY KEY";
+    public static final String NAME = "c_name";
+    public static final String NAME_type = "TEXT";
+}
diff --git a/src/org/thialfihar/android/apg/provider/Database.java b/src/org/thialfihar/android/apg/provider/Database.java
index 810ebebbf..05beb980d 100644
--- a/src/org/thialfihar/android/apg/provider/Database.java
+++ b/src/org/thialfihar/android/apg/provider/Database.java
@@ -1,605 +1,605 @@
-package org.thialfihar.android.apg.provider;
-
-import java.io.IOException;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Vector;
-
-import org.bouncycastle2.openpgp.PGPException;
-import org.bouncycastle2.openpgp.PGPPublicKey;
-import org.bouncycastle2.openpgp.PGPPublicKeyRing;
-import org.bouncycastle2.openpgp.PGPSecretKey;
-import org.bouncycastle2.openpgp.PGPSecretKeyRing;
-import org.thialfihar.android.apg.Apg;
-import org.thialfihar.android.apg.Id;
-import org.thialfihar.android.apg.utils.IterableIterator;
-
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-import android.util.Log;
-
-public class Database extends SQLiteOpenHelper {
-    public static class GeneralException extends Exception {
-        static final long serialVersionUID = 0xf812773343L;
-
-        public GeneralException(String message) {
-            super(message);
-        }
-    }
-
-    private static final String DATABASE_NAME = "apg";
-    private static final int DATABASE_VERSION = 2;
-
-    public static final String AUTHORITY = "org.thialfihar.android.apg.database";
-
-    public static HashMap<String, String> sKeyRingsProjection;
-    public static HashMap<String, String> sKeysProjection;
-    public static HashMap<String, String> sUserIdsProjection;
-
-    private SQLiteDatabase mDb = null;
-    private int mStatus = 0;
-
-    static {
-        sKeyRingsProjection = new HashMap<String, String>();
-        sKeyRingsProjection.put(KeyRings._ID, KeyRings._ID);
-        sKeyRingsProjection.put(KeyRings.MASTER_KEY_ID, KeyRings.MASTER_KEY_ID);
-        sKeyRingsProjection.put(KeyRings.TYPE, KeyRings.TYPE);
-        sKeyRingsProjection.put(KeyRings.WHO_ID, KeyRings.WHO_ID);
-        sKeyRingsProjection.put(KeyRings.KEY_RING_DATA, KeyRings.KEY_RING_DATA);
-
-        sKeysProjection = new HashMap<String, String>();
-        sKeysProjection.put(Keys._ID, Keys._ID);
-        sKeysProjection.put(Keys.KEY_ID, Keys.KEY_ID);
-        sKeysProjection.put(Keys.TYPE, Keys.TYPE);
-        sKeysProjection.put(Keys.IS_MASTER_KEY, Keys.IS_MASTER_KEY);
-        sKeysProjection.put(Keys.ALGORITHM, Keys.ALGORITHM);
-        sKeysProjection.put(Keys.KEY_SIZE, Keys.KEY_SIZE);
-        sKeysProjection.put(Keys.CAN_SIGN, Keys.CAN_SIGN);
-        sKeysProjection.put(Keys.CAN_ENCRYPT, Keys.CAN_ENCRYPT);
-        sKeysProjection.put(Keys.IS_REVOKED, Keys.IS_REVOKED);
-        sKeysProjection.put(Keys.CREATION, Keys.CREATION);
-        sKeysProjection.put(Keys.EXPIRY, Keys.EXPIRY);
-        sKeysProjection.put(Keys.KEY_DATA, Keys.KEY_DATA);
-        sKeysProjection.put(Keys.RANK, Keys.RANK);
-
-        sUserIdsProjection = new HashMap<String, String>();
-        sUserIdsProjection.put(UserIds._ID, UserIds._ID);
-        sUserIdsProjection.put(UserIds.KEY_ID, UserIds.KEY_ID);
-        sUserIdsProjection.put(UserIds.USER_ID, UserIds.USER_ID);
-        sUserIdsProjection.put(UserIds.RANK, UserIds.RANK);
-    }
-
-    public Database(Context context) {
-        super(context, DATABASE_NAME, null, DATABASE_VERSION);
-        // force upgrade to test things
-        //onUpgrade(getWritableDatabase(), 1, 2);
-        mDb = getWritableDatabase();
-    }
-
-    @Override
-    protected void finalize() throws Throwable {
-        mDb.close();
-        super.finalize();
-    }
-
-    @Override
-    public void onCreate(SQLiteDatabase db) {
-        db.execSQL("CREATE TABLE " + KeyRings.TABLE_NAME + " (" +
-                   KeyRings._ID + " " + KeyRings._ID_type + "," +
-                   KeyRings.MASTER_KEY_ID + " " + KeyRings.MASTER_KEY_ID_type + ", " +
-                   KeyRings.TYPE + " " + KeyRings.TYPE_type + ", " +
-                   KeyRings.WHO_ID + " " + KeyRings.WHO_ID_type + ", " +
-                   KeyRings.KEY_RING_DATA + " " + KeyRings.KEY_RING_DATA_type + ");");
-
-        db.execSQL("CREATE TABLE " + Keys.TABLE_NAME + " (" +
-                   Keys._ID + " " + Keys._ID_type + "," +
-                   Keys.KEY_ID + " " + Keys.KEY_ID_type + ", " +
-                   Keys.TYPE + " " + Keys.TYPE_type + ", " +
-                   Keys.IS_MASTER_KEY + " " + Keys.IS_MASTER_KEY_type + ", " +
-                   Keys.ALGORITHM + " " + Keys.ALGORITHM_type + ", " +
-                   Keys.KEY_SIZE + " " + Keys.KEY_SIZE_type + ", " +
-                   Keys.CAN_SIGN + " " + Keys.CAN_SIGN_type + ", " +
-                   Keys.CAN_ENCRYPT + " " + Keys.CAN_ENCRYPT_type + ", " +
-                   Keys.IS_REVOKED + " " + Keys.IS_REVOKED_type + ", " +
-                   Keys.CREATION + " " + Keys.CREATION_type + ", " +
-                   Keys.EXPIRY + " " + Keys.EXPIRY_type + ", " +
-                   Keys.KEY_RING_ID + " " + Keys.KEY_RING_ID_type + ", " +
-                   Keys.KEY_DATA + " " + Keys.KEY_DATA_type +
-                   Keys.RANK + " " + Keys.RANK_type + ");");
-
-        db.execSQL("CREATE TABLE " + UserIds.TABLE_NAME + " (" +
-                   UserIds._ID + " " + UserIds._ID_type + "," +
-                   UserIds.KEY_ID + " " + UserIds.KEY_ID_type + "," +
-                   UserIds.USER_ID + " " + UserIds.USER_ID_type + "," +
-                   UserIds.RANK + " " + UserIds.RANK_type + ");");
-
-        db.execSQL("CREATE TABLE " + Accounts.TABLE_NAME + " (" +
-                   Accounts._ID + " " + Accounts._ID_type + "," +
-                   Accounts.NAME + " " + Accounts.NAME_type + ");");
-    }
-
-    @Override
-    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-        mDb = db;
-        for (int version = oldVersion; version < newVersion; ++version) {
-            switch (version) {
-                case 1: { // upgrade 1 to 2
-                    db.execSQL("DROP TABLE IF EXISTS " + KeyRings.TABLE_NAME + ";");
-                    db.execSQL("DROP TABLE IF EXISTS " + Keys.TABLE_NAME + ";");
-                    db.execSQL("DROP TABLE IF EXISTS " + UserIds.TABLE_NAME + ";");
-
-                    db.execSQL("CREATE TABLE " + KeyRings.TABLE_NAME + " (" +
-                               KeyRings._ID + " " + KeyRings._ID_type + "," +
-                               KeyRings.MASTER_KEY_ID + " " + KeyRings.MASTER_KEY_ID_type + ", " +
-                               KeyRings.TYPE + " " + KeyRings.TYPE_type + ", " +
-                               KeyRings.WHO_ID + " " + KeyRings.WHO_ID_type + ", " +
-                               KeyRings.KEY_RING_DATA + " " + KeyRings.KEY_RING_DATA_type + ");");
-
-                    db.execSQL("CREATE TABLE " + Keys.TABLE_NAME + " (" +
-                               Keys._ID + " " + Keys._ID_type + "," +
-                               Keys.KEY_ID + " " + Keys.KEY_ID_type + ", " +
-                               Keys.TYPE + " " + Keys.TYPE_type + ", " +
-                               Keys.IS_MASTER_KEY + " " + Keys.IS_MASTER_KEY_type + ", " +
-                               Keys.ALGORITHM + " " + Keys.ALGORITHM_type + ", " +
-                               Keys.KEY_SIZE + " " + Keys.KEY_SIZE_type + ", " +
-                               Keys.CAN_SIGN + " " + Keys.CAN_SIGN_type + ", " +
-                               Keys.CAN_ENCRYPT + " " + Keys.CAN_ENCRYPT_type + ", " +
-                               Keys.IS_REVOKED + " " + Keys.IS_REVOKED_type + ", " +
-                               Keys.CREATION + " " + Keys.CREATION_type + ", " +
-                               Keys.EXPIRY + " " + Keys.EXPIRY_type + ", " +
-                               Keys.KEY_RING_ID + " " + Keys.KEY_RING_ID_type + ", " +
-                               Keys.KEY_DATA + " " + Keys.KEY_DATA_type +
-                               Keys.RANK + " " + Keys.RANK_type + ");");
-
-                    db.execSQL("CREATE TABLE " + UserIds.TABLE_NAME + " (" +
-                               UserIds._ID + " " + UserIds._ID_type + "," +
-                               UserIds.KEY_ID + " " + UserIds.KEY_ID_type + "," +
-                               UserIds.USER_ID + " " + UserIds.USER_ID_type + "," +
-                               UserIds.RANK + " " + UserIds.RANK_type + ");");
-
-                    Cursor cursor = db.query("public_keys", new String[] { "c_key_data" },
-                                             null, null, null, null, null);
-                    if (cursor != null && cursor.moveToFirst()) {
-                        do {
-                            byte[] data = cursor.getBlob(0);
-                            try {
-                                PGPPublicKeyRing keyRing = new PGPPublicKeyRing(data);
-                                saveKeyRing(keyRing);
-                            } catch (IOException e) {
-                                Log.e("apg.db.upgrade", "key import failed: " + e);
-                            } catch (GeneralException e) {
-                                Log.e("apg.db.upgrade", "key import failed: " + e);
-                            }
-                        } while (cursor.moveToNext());
-                    }
-
-                    if (cursor != null) {
-                        cursor.close();
-                    }
-
-                    cursor = db.query("secret_keys", new String[]{ "c_key_data" },
-                                      null, null, null, null, null);
-                    if (cursor != null && cursor.moveToFirst()) {
-                        do {
-                            byte[] data = cursor.getBlob(0);
-                            try {
-                                PGPSecretKeyRing keyRing = new PGPSecretKeyRing(data);
-                                saveKeyRing(keyRing);
-                            } catch (IOException e) {
-                                Log.e("apg.db.upgrade", "key import failed: " + e);
-                            } catch (PGPException e) {
-                                Log.e("apg.db.upgrade", "key import failed: " + e);
-                            } catch (GeneralException e) {
-                                Log.e("apg.db.upgrade", "key import failed: " + e);
-                            }
-                        } while (cursor.moveToNext());
-                    }
-
-                    if (cursor != null) {
-                        cursor.close();
-                    }
-
-                    db.execSQL("DROP TABLE IF EXISTS public_keys;");
-                    db.execSQL("DROP TABLE IF EXISTS secret_keys;");
-
-                    break;
-                }
-
-                default: {
-                    break;
-                }
-            }
-        }
-        mDb = null;
-    }
-
-    public int saveKeyRing(PGPPublicKeyRing keyRing) throws IOException, GeneralException {
-        mDb.beginTransaction();
-        ContentValues values = new ContentValues();
-        PGPPublicKey masterKey = keyRing.getPublicKey();
-        long masterKeyId = masterKey.getKeyID();
-
-        values.put(KeyRings.MASTER_KEY_ID, masterKeyId);
-        values.put(KeyRings.TYPE, Id.database.type_public);
-        values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded());
-
-        long rowId = insertOrUpdateKeyRing(values);
-        int returnValue = mStatus;
-
-        if (rowId == -1) {
-            throw new GeneralException("saving public key ring " + masterKeyId + " failed");
-        }
-
-        Vector<Integer> seenIds = new Vector<Integer>();
-        int rank = 0;
-        for (PGPPublicKey key : new IterableIterator<PGPPublicKey>(keyRing.getPublicKeys())) {
-            seenIds.add(saveKey(rowId, key, rank));
-            ++rank;
-        }
-
-        String seenIdsStr = "";
-        for (Integer id : seenIds) {
-            if (seenIdsStr.length() > 0) {
-                seenIdsStr += ",";
-            }
-            seenIdsStr += id;
-        }
-        mDb.delete(Keys.TABLE_NAME,
-                   Keys.KEY_RING_ID + " = ? AND " +
-                   Keys._ID + " NOT IN (" + seenIdsStr + ")",
-                   new String[] { "" + rowId });
-
-        mDb.setTransactionSuccessful();
-        mDb.endTransaction();
-        return returnValue;
-    }
-
-    public int saveKeyRing(PGPSecretKeyRing keyRing) throws IOException, GeneralException {
-        mDb.beginTransaction();
-        ContentValues values = new ContentValues();
-        PGPSecretKey masterKey = keyRing.getSecretKey();
-        long masterKeyId = masterKey.getKeyID();
-
-        values.put(KeyRings.MASTER_KEY_ID, masterKeyId);
-        values.put(KeyRings.TYPE, Id.database.type_secret);
-        values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded());
-
-        long rowId = insertOrUpdateKeyRing(values);
-        int returnValue = mStatus;
-
-        if (rowId == -1) {
-            throw new GeneralException("saving secret key ring " + masterKeyId + " failed");
-        }
-
-        Vector<Integer> seenIds = new Vector<Integer>();
-        int rank = 0;
-        for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
-            seenIds.add(saveKey(rowId, key, rank));
-            ++rank;
-        }
-
-        String seenIdsStr = "";
-        for (Integer id : seenIds) {
-            if (seenIdsStr.length() > 0) {
-                seenIdsStr += ",";
-            }
-            seenIdsStr += id;
-        }
-        mDb.delete(Keys.TABLE_NAME,
-                   Keys.KEY_RING_ID + " = ? AND " +
-                   Keys._ID + " NOT IN (" + seenIdsStr + ")",
-                   new String[] { "" + rowId });
-
-        mDb.setTransactionSuccessful();
-        mDb.endTransaction();
-        return returnValue;
-    }
-
-    private int saveKey(long keyRingId, PGPPublicKey key, int rank)
-            throws IOException, GeneralException {
-        ContentValues values = new ContentValues();
-
-        values.put(Keys.KEY_ID, key.getKeyID());
-        values.put(Keys.TYPE, Id.database.type_public);
-        values.put(Keys.IS_MASTER_KEY, key.isMasterKey());
-        values.put(Keys.ALGORITHM, key.getAlgorithm());
-        values.put(Keys.KEY_SIZE, key.getBitStrength());
-        values.put(Keys.CAN_SIGN, Apg.isSigningKey(key));
-        values.put(Keys.CAN_ENCRYPT, Apg.isEncryptionKey(key));
-        values.put(Keys.IS_REVOKED, key.isRevoked());
-        values.put(Keys.CREATION, Apg.getCreationDate(key).getTime() / 1000);
-        Date expiryDate = Apg.getExpiryDate(key);
-        if (expiryDate != null) {
-            values.put(Keys.EXPIRY, expiryDate.getTime() / 1000);
-        }
-        values.put(Keys.KEY_RING_ID, keyRingId);
-        values.put(Keys.KEY_DATA, key.getEncoded());
-        values.put(Keys.RANK, rank);
-
-        long rowId = insertOrUpdateKey(values);
-
-        if (rowId == -1) {
-            throw new GeneralException("saving public key " + key.getKeyID() + " failed");
-        }
-
-        Vector<Integer> seenIds = new Vector<Integer>();
-        int userIdRank = 0;
-        for (String userId : new IterableIterator<String>(key.getUserIDs())) {
-            seenIds.add(saveUserId(rowId, userId, userIdRank));
-            ++userIdRank;
-        }
-
-        String seenIdsStr = "";
-        for (Integer id : seenIds) {
-            if (seenIdsStr.length() > 0) {
-                seenIdsStr += ",";
-            }
-            seenIdsStr += id;
-        }
-        mDb.delete(UserIds.TABLE_NAME,
-                   UserIds.KEY_ID + " = ? AND " +
-                   UserIds._ID + " NOT IN (" + seenIdsStr + ")",
-                   new String[] { "" + rowId });
-
-        return (int)rowId;
-    }
-
-    private int saveKey(long keyRingId, PGPSecretKey key, int rank)
-            throws IOException, GeneralException {
-        ContentValues values = new ContentValues();
-
-        values.put(Keys.KEY_ID, key.getPublicKey().getKeyID());
-        values.put(Keys.TYPE, Id.database.type_secret);
-        values.put(Keys.IS_MASTER_KEY, key.isMasterKey());
-        values.put(Keys.ALGORITHM, key.getPublicKey().getAlgorithm());
-        values.put(Keys.KEY_SIZE, key.getPublicKey().getBitStrength());
-        values.put(Keys.CAN_SIGN, Apg.isSigningKey(key));
-        values.put(Keys.CAN_ENCRYPT, Apg.isEncryptionKey(key));
-        values.put(Keys.IS_REVOKED, key.getPublicKey().isRevoked());
-        values.put(Keys.CREATION, Apg.getCreationDate(key).getTime() / 1000);
-        Date expiryDate = Apg.getExpiryDate(key);
-        if (expiryDate != null) {
-            values.put(Keys.EXPIRY, expiryDate.getTime() / 1000);
-        }
-        values.put(Keys.KEY_RING_ID, keyRingId);
-        values.put(Keys.KEY_DATA, key.getEncoded());
-        values.put(Keys.RANK, rank);
-
-        long rowId = insertOrUpdateKey(values);
-
-        if (rowId == -1) {
-            throw new GeneralException("saving secret key " + key.getPublicKey().getKeyID() + " failed");
-        }
-
-        Vector<Integer> seenIds = new Vector<Integer>();
-        int userIdRank = 0;
-        for (String userId : new IterableIterator<String>(key.getUserIDs())) {
-            seenIds.add(saveUserId(rowId, userId, userIdRank));
-            ++userIdRank;
-        }
-
-        String seenIdsStr = "";
-        for (Integer id : seenIds) {
-            if (seenIdsStr.length() > 0) {
-                seenIdsStr += ",";
-            }
-            seenIdsStr += id;
-        }
-        mDb.delete(UserIds.TABLE_NAME,
-                   UserIds.KEY_ID + " = ? AND " +
-                   UserIds._ID + " NOT IN (" + seenIdsStr + ")",
-                   new String[] { "" + rowId });
-
-        return (int)rowId;
-    }
-
-    private int saveUserId(long keyId, String userId, int rank) throws GeneralException {
-        ContentValues values = new ContentValues();
-
-        values.put(UserIds.KEY_ID, keyId);
-        values.put(UserIds.USER_ID, userId);
-        values.put(UserIds.RANK, rank);
-
-        long rowId = insertOrUpdateUserId(values);
-
-        if (rowId == -1) {
-            throw new GeneralException("saving user id " + userId + " failed");
-        }
-
-        return (int)rowId;
-    }
-
-    private long insertOrUpdateKeyRing(ContentValues values) {
-        Cursor c = mDb.query(KeyRings.TABLE_NAME, new String[] { KeyRings._ID },
-                             KeyRings.MASTER_KEY_ID + " = ? AND " + KeyRings.TYPE + " = ?",
-                             new String[] {
-                                 values.getAsString(KeyRings.MASTER_KEY_ID),
-                                 values.getAsString(KeyRings.TYPE),
-                             },
-                             null, null, null);
-        long rowId = -1;
-        if (c != null && c.moveToFirst()) {
-            rowId = c.getLong(0);
-            mDb.update(KeyRings.TABLE_NAME, values,
-                       KeyRings._ID + " = ?", new String[] { "" + rowId });
-            mStatus = Id.return_value.updated;
-        } else {
-            rowId = mDb.insert(KeyRings.TABLE_NAME, KeyRings.WHO_ID, values);
-            mStatus = Id.return_value.ok;
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        return rowId;
-    }
-
-    private long insertOrUpdateKey(ContentValues values) {
-        Cursor c = mDb.query(Keys.TABLE_NAME, new String[] { Keys._ID },
-                             Keys.KEY_ID + " = ? AND " + Keys.TYPE + " = ?",
-                             new String[] {
-                                 values.getAsString(Keys.KEY_ID),
-                                 values.getAsString(Keys.TYPE),
-                             },
-                             null, null, null);
-        long rowId = -1;
-        if (c != null && c.moveToFirst()) {
-            rowId = c.getLong(0);
-            mDb.update(Keys.TABLE_NAME, values,
-                       Keys._ID + " = ?", new String[] { "" + rowId });
-        } else {
-            rowId = mDb.insert(Keys.TABLE_NAME, Keys.KEY_DATA, values);
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        return rowId;
-    }
-
-    private long insertOrUpdateUserId(ContentValues values) {
-        Cursor c = mDb.query(UserIds.TABLE_NAME, new String[] { UserIds._ID },
-                             UserIds.KEY_ID + " = ? AND " + UserIds.USER_ID + " = ?",
-                             new String[] {
-                                 values.getAsString(UserIds.KEY_ID),
-                                 values.getAsString(UserIds.USER_ID),
-                             },
-                             null, null, null);
-        long rowId = -1;
-        if (c != null && c.moveToFirst()) {
-            rowId = c.getLong(0);
-            mDb.update(UserIds.TABLE_NAME, values,
-                       UserIds._ID + " = ?", new String[] { "" + rowId });
-        } else {
-            rowId = mDb.insert(UserIds.TABLE_NAME, UserIds.USER_ID, values);
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        return rowId;
-    }
-
-    public Object getKeyRing(int keyRingId) {
-        Cursor c = mDb.query(KeyRings.TABLE_NAME,
-                             new String[] { KeyRings.KEY_RING_DATA, KeyRings.TYPE },
-                             KeyRings._ID + " = ?",
-                             new String[] {
-                                 "" + keyRingId,
-                             },
-                             null, null, null);
-        byte[] data = null;
-        Object keyRing = null;
-        if (c != null && c.moveToFirst()) {
-            data = c.getBlob(0);
-            if (data != null) {
-                try {
-                    if (c.getInt(1) == Id.database.type_public) {
-                        keyRing = new PGPPublicKeyRing(data);
-                    } else {
-                        keyRing = new PGPSecretKeyRing(data);
-                    }
-                } catch (IOException e) {
-                    // can't load it, then
-                } catch (PGPException e) {
-                    // can't load it, then
-                }
-            }
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        return keyRing;
-    }
-
-    public byte[] getKeyRingDataFromKeyId(int type, long keyId) {
-        Cursor c = mDb.query(Keys.TABLE_NAME + " INNER JOIN " + KeyRings.TABLE_NAME + " ON (" +
-                             KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
-                             Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + ")",
-                             new String[] { KeyRings.TABLE_NAME + "." + KeyRings.KEY_RING_DATA },
-                             Keys.TABLE_NAME + "." + Keys.KEY_ID + " = ? AND " +
-                             KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
-                             new String[] {
-                                 "" + keyId,
-                                 "" + type,
-                             },
-                             null, null, null);
-
-        byte[] data = null;
-        if (c != null && c.moveToFirst()) {
-            data = c.getBlob(0);
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        return data;
-    }
-
-    public byte[] getKeyDataFromKeyId(int type, long keyId) {
-        Cursor c = mDb.query(Keys.TABLE_NAME, new String[] { Keys.KEY_DATA },
-                             Keys.KEY_ID + " = ? AND " + Keys.TYPE + " = ?",
-                             new String[] {
-                                 "" + keyId,
-                                 "" + type,
-                             },
-                             null, null, null);
-        byte[] data = null;
-        if (c != null && c.moveToFirst()) {
-            data = c.getBlob(0);
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        return data;
-    }
-
-    public void deleteKeyRing(int keyRingId) {
-        mDb.beginTransaction();
-        mDb.delete(KeyRings.TABLE_NAME,
-                   KeyRings._ID + " = ?", new String[] { "" + keyRingId });
-
-        Cursor c = mDb.query(Keys.TABLE_NAME, new String[] { Keys._ID },
-                             Keys.KEY_RING_ID + " = ?",
-                             new String[] {
-                                 "" + keyRingId,
-                             },
-                                    null, null, null);
-        if (c != null && c.moveToFirst()) {
-            do {
-                int keyId = c.getInt(0);
-                deleteKey(keyId);
-            } while (c.moveToNext());
-        }
-
-        if (c != null) {
-            c.close();
-        }
-
-        mDb.setTransactionSuccessful();
-        mDb.endTransaction();
-    }
-
-    private void deleteKey(int keyId) {
-        mDb.delete(Keys.TABLE_NAME,
-                   Keys._ID + " = ?", new String[] { "" + keyId });
-
-        mDb.delete(UserIds.TABLE_NAME,
-                   UserIds.KEY_ID + " = ?", new String[] { "" + keyId });
-    }
-
-    public SQLiteDatabase db() {
-        return mDb;
-    }
-}
+package org.thialfihar.android.apg.provider;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Vector;
+
+import org.bouncycastle2.openpgp.PGPException;
+import org.bouncycastle2.openpgp.PGPPublicKey;
+import org.bouncycastle2.openpgp.PGPPublicKeyRing;
+import org.bouncycastle2.openpgp.PGPSecretKey;
+import org.bouncycastle2.openpgp.PGPSecretKeyRing;
+import org.thialfihar.android.apg.Apg;
+import org.thialfihar.android.apg.Id;
+import org.thialfihar.android.apg.utils.IterableIterator;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.util.Log;
+
+public class Database extends SQLiteOpenHelper {
+    public static class GeneralException extends Exception {
+        static final long serialVersionUID = 0xf812773343L;
+
+        public GeneralException(String message) {
+            super(message);
+        }
+    }
+
+    private static final String DATABASE_NAME = "apg";
+    private static final int DATABASE_VERSION = 2;
+
+    public static final String AUTHORITY = "org.thialfihar.android.apg.database";
+
+    public static HashMap<String, String> sKeyRingsProjection;
+    public static HashMap<String, String> sKeysProjection;
+    public static HashMap<String, String> sUserIdsProjection;
+
+    private SQLiteDatabase mDb = null;
+    private int mStatus = 0;
+
+    static {
+        sKeyRingsProjection = new HashMap<String, String>();
+        sKeyRingsProjection.put(KeyRings._ID, KeyRings._ID);
+        sKeyRingsProjection.put(KeyRings.MASTER_KEY_ID, KeyRings.MASTER_KEY_ID);
+        sKeyRingsProjection.put(KeyRings.TYPE, KeyRings.TYPE);
+        sKeyRingsProjection.put(KeyRings.WHO_ID, KeyRings.WHO_ID);
+        sKeyRingsProjection.put(KeyRings.KEY_RING_DATA, KeyRings.KEY_RING_DATA);
+
+        sKeysProjection = new HashMap<String, String>();
+        sKeysProjection.put(Keys._ID, Keys._ID);
+        sKeysProjection.put(Keys.KEY_ID, Keys.KEY_ID);
+        sKeysProjection.put(Keys.TYPE, Keys.TYPE);
+        sKeysProjection.put(Keys.IS_MASTER_KEY, Keys.IS_MASTER_KEY);
+        sKeysProjection.put(Keys.ALGORITHM, Keys.ALGORITHM);
+        sKeysProjection.put(Keys.KEY_SIZE, Keys.KEY_SIZE);
+        sKeysProjection.put(Keys.CAN_SIGN, Keys.CAN_SIGN);
+        sKeysProjection.put(Keys.CAN_ENCRYPT, Keys.CAN_ENCRYPT);
+        sKeysProjection.put(Keys.IS_REVOKED, Keys.IS_REVOKED);
+        sKeysProjection.put(Keys.CREATION, Keys.CREATION);
+        sKeysProjection.put(Keys.EXPIRY, Keys.EXPIRY);
+        sKeysProjection.put(Keys.KEY_DATA, Keys.KEY_DATA);
+        sKeysProjection.put(Keys.RANK, Keys.RANK);
+
+        sUserIdsProjection = new HashMap<String, String>();
+        sUserIdsProjection.put(UserIds._ID, UserIds._ID);
+        sUserIdsProjection.put(UserIds.KEY_ID, UserIds.KEY_ID);
+        sUserIdsProjection.put(UserIds.USER_ID, UserIds.USER_ID);
+        sUserIdsProjection.put(UserIds.RANK, UserIds.RANK);
+    }
+
+    public Database(Context context) {
+        super(context, DATABASE_NAME, null, DATABASE_VERSION);
+        // force upgrade to test things
+        //onUpgrade(getWritableDatabase(), 1, 2);
+        mDb = getWritableDatabase();
+    }
+
+    @Override
+    protected void finalize() throws Throwable {
+        mDb.close();
+        super.finalize();
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL("CREATE TABLE " + KeyRings.TABLE_NAME + " (" +
+                   KeyRings._ID + " " + KeyRings._ID_type + "," +
+                   KeyRings.MASTER_KEY_ID + " " + KeyRings.MASTER_KEY_ID_type + ", " +
+                   KeyRings.TYPE + " " + KeyRings.TYPE_type + ", " +
+                   KeyRings.WHO_ID + " " + KeyRings.WHO_ID_type + ", " +
+                   KeyRings.KEY_RING_DATA + " " + KeyRings.KEY_RING_DATA_type + ");");
+
+        db.execSQL("CREATE TABLE " + Keys.TABLE_NAME + " (" +
+                   Keys._ID + " " + Keys._ID_type + "," +
+                   Keys.KEY_ID + " " + Keys.KEY_ID_type + ", " +
+                   Keys.TYPE + " " + Keys.TYPE_type + ", " +
+                   Keys.IS_MASTER_KEY + " " + Keys.IS_MASTER_KEY_type + ", " +
+                   Keys.ALGORITHM + " " + Keys.ALGORITHM_type + ", " +
+                   Keys.KEY_SIZE + " " + Keys.KEY_SIZE_type + ", " +
+                   Keys.CAN_SIGN + " " + Keys.CAN_SIGN_type + ", " +
+                   Keys.CAN_ENCRYPT + " " + Keys.CAN_ENCRYPT_type + ", " +
+                   Keys.IS_REVOKED + " " + Keys.IS_REVOKED_type + ", " +
+                   Keys.CREATION + " " + Keys.CREATION_type + ", " +
+                   Keys.EXPIRY + " " + Keys.EXPIRY_type + ", " +
+                   Keys.KEY_RING_ID + " " + Keys.KEY_RING_ID_type + ", " +
+                   Keys.KEY_DATA + " " + Keys.KEY_DATA_type +
+                   Keys.RANK + " " + Keys.RANK_type + ");");
+
+        db.execSQL("CREATE TABLE " + UserIds.TABLE_NAME + " (" +
+                   UserIds._ID + " " + UserIds._ID_type + "," +
+                   UserIds.KEY_ID + " " + UserIds.KEY_ID_type + "," +
+                   UserIds.USER_ID + " " + UserIds.USER_ID_type + "," +
+                   UserIds.RANK + " " + UserIds.RANK_type + ");");
+
+        db.execSQL("CREATE TABLE " + Accounts.TABLE_NAME + " (" +
+                   Accounts._ID + " " + Accounts._ID_type + "," +
+                   Accounts.NAME + " " + Accounts.NAME_type + ");");
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        mDb = db;
+        for (int version = oldVersion; version < newVersion; ++version) {
+            switch (version) {
+                case 1: { // upgrade 1 to 2
+                    db.execSQL("DROP TABLE IF EXISTS " + KeyRings.TABLE_NAME + ";");
+                    db.execSQL("DROP TABLE IF EXISTS " + Keys.TABLE_NAME + ";");
+                    db.execSQL("DROP TABLE IF EXISTS " + UserIds.TABLE_NAME + ";");
+
+                    db.execSQL("CREATE TABLE " + KeyRings.TABLE_NAME + " (" +
+                               KeyRings._ID + " " + KeyRings._ID_type + "," +
+                               KeyRings.MASTER_KEY_ID + " " + KeyRings.MASTER_KEY_ID_type + ", " +
+                               KeyRings.TYPE + " " + KeyRings.TYPE_type + ", " +
+                               KeyRings.WHO_ID + " " + KeyRings.WHO_ID_type + ", " +
+                               KeyRings.KEY_RING_DATA + " " + KeyRings.KEY_RING_DATA_type + ");");
+
+                    db.execSQL("CREATE TABLE " + Keys.TABLE_NAME + " (" +
+                               Keys._ID + " " + Keys._ID_type + "," +
+                               Keys.KEY_ID + " " + Keys.KEY_ID_type + ", " +
+                               Keys.TYPE + " " + Keys.TYPE_type + ", " +
+                               Keys.IS_MASTER_KEY + " " + Keys.IS_MASTER_KEY_type + ", " +
+                               Keys.ALGORITHM + " " + Keys.ALGORITHM_type + ", " +
+                               Keys.KEY_SIZE + " " + Keys.KEY_SIZE_type + ", " +
+                               Keys.CAN_SIGN + " " + Keys.CAN_SIGN_type + ", " +
+                               Keys.CAN_ENCRYPT + " " + Keys.CAN_ENCRYPT_type + ", " +
+                               Keys.IS_REVOKED + " " + Keys.IS_REVOKED_type + ", " +
+                               Keys.CREATION + " " + Keys.CREATION_type + ", " +
+                               Keys.EXPIRY + " " + Keys.EXPIRY_type + ", " +
+                               Keys.KEY_RING_ID + " " + Keys.KEY_RING_ID_type + ", " +
+                               Keys.KEY_DATA + " " + Keys.KEY_DATA_type +
+                               Keys.RANK + " " + Keys.RANK_type + ");");
+
+                    db.execSQL("CREATE TABLE " + UserIds.TABLE_NAME + " (" +
+                               UserIds._ID + " " + UserIds._ID_type + "," +
+                               UserIds.KEY_ID + " " + UserIds.KEY_ID_type + "," +
+                               UserIds.USER_ID + " " + UserIds.USER_ID_type + "," +
+                               UserIds.RANK + " " + UserIds.RANK_type + ");");
+
+                    Cursor cursor = db.query("public_keys", new String[] { "c_key_data" },
+                                             null, null, null, null, null);
+                    if (cursor != null && cursor.moveToFirst()) {
+                        do {
+                            byte[] data = cursor.getBlob(0);
+                            try {
+                                PGPPublicKeyRing keyRing = new PGPPublicKeyRing(data);
+                                saveKeyRing(keyRing);
+                            } catch (IOException e) {
+                                Log.e("apg.db.upgrade", "key import failed: " + e);
+                            } catch (GeneralException e) {
+                                Log.e("apg.db.upgrade", "key import failed: " + e);
+                            }
+                        } while (cursor.moveToNext());
+                    }
+
+                    if (cursor != null) {
+                        cursor.close();
+                    }
+
+                    cursor = db.query("secret_keys", new String[]{ "c_key_data" },
+                                      null, null, null, null, null);
+                    if (cursor != null && cursor.moveToFirst()) {
+                        do {
+                            byte[] data = cursor.getBlob(0);
+                            try {
+                                PGPSecretKeyRing keyRing = new PGPSecretKeyRing(data);
+                                saveKeyRing(keyRing);
+                            } catch (IOException e) {
+                                Log.e("apg.db.upgrade", "key import failed: " + e);
+                            } catch (PGPException e) {
+                                Log.e("apg.db.upgrade", "key import failed: " + e);
+                            } catch (GeneralException e) {
+                                Log.e("apg.db.upgrade", "key import failed: " + e);
+                            }
+                        } while (cursor.moveToNext());
+                    }
+
+                    if (cursor != null) {
+                        cursor.close();
+                    }
+
+                    db.execSQL("DROP TABLE IF EXISTS public_keys;");
+                    db.execSQL("DROP TABLE IF EXISTS secret_keys;");
+
+                    break;
+                }
+
+                default: {
+                    break;
+                }
+            }
+        }
+        mDb = null;
+    }
+
+    public int saveKeyRing(PGPPublicKeyRing keyRing) throws IOException, GeneralException {
+        mDb.beginTransaction();
+        ContentValues values = new ContentValues();
+        PGPPublicKey masterKey = keyRing.getPublicKey();
+        long masterKeyId = masterKey.getKeyID();
+
+        values.put(KeyRings.MASTER_KEY_ID, masterKeyId);
+        values.put(KeyRings.TYPE, Id.database.type_public);
+        values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded());
+
+        long rowId = insertOrUpdateKeyRing(values);
+        int returnValue = mStatus;
+
+        if (rowId == -1) {
+            throw new GeneralException("saving public key ring " + masterKeyId + " failed");
+        }
+
+        Vector<Integer> seenIds = new Vector<Integer>();
+        int rank = 0;
+        for (PGPPublicKey key : new IterableIterator<PGPPublicKey>(keyRing.getPublicKeys())) {
+            seenIds.add(saveKey(rowId, key, rank));
+            ++rank;
+        }
+
+        String seenIdsStr = "";
+        for (Integer id : seenIds) {
+            if (seenIdsStr.length() > 0) {
+                seenIdsStr += ",";
+            }
+            seenIdsStr += id;
+        }
+        mDb.delete(Keys.TABLE_NAME,
+                   Keys.KEY_RING_ID + " = ? AND " +
+                   Keys._ID + " NOT IN (" + seenIdsStr + ")",
+                   new String[] { "" + rowId });
+
+        mDb.setTransactionSuccessful();
+        mDb.endTransaction();
+        return returnValue;
+    }
+
+    public int saveKeyRing(PGPSecretKeyRing keyRing) throws IOException, GeneralException {
+        mDb.beginTransaction();
+        ContentValues values = new ContentValues();
+        PGPSecretKey masterKey = keyRing.getSecretKey();
+        long masterKeyId = masterKey.getKeyID();
+
+        values.put(KeyRings.MASTER_KEY_ID, masterKeyId);
+        values.put(KeyRings.TYPE, Id.database.type_secret);
+        values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded());
+
+        long rowId = insertOrUpdateKeyRing(values);
+        int returnValue = mStatus;
+
+        if (rowId == -1) {
+            throw new GeneralException("saving secret key ring " + masterKeyId + " failed");
+        }
+
+        Vector<Integer> seenIds = new Vector<Integer>();
+        int rank = 0;
+        for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
+            seenIds.add(saveKey(rowId, key, rank));
+            ++rank;
+        }
+
+        String seenIdsStr = "";
+        for (Integer id : seenIds) {
+            if (seenIdsStr.length() > 0) {
+                seenIdsStr += ",";
+            }
+            seenIdsStr += id;
+        }
+        mDb.delete(Keys.TABLE_NAME,
+                   Keys.KEY_RING_ID + " = ? AND " +
+                   Keys._ID + " NOT IN (" + seenIdsStr + ")",
+                   new String[] { "" + rowId });
+
+        mDb.setTransactionSuccessful();
+        mDb.endTransaction();
+        return returnValue;
+    }
+
+    private int saveKey(long keyRingId, PGPPublicKey key, int rank)
+            throws IOException, GeneralException {
+        ContentValues values = new ContentValues();
+
+        values.put(Keys.KEY_ID, key.getKeyID());
+        values.put(Keys.TYPE, Id.database.type_public);
+        values.put(Keys.IS_MASTER_KEY, key.isMasterKey());
+        values.put(Keys.ALGORITHM, key.getAlgorithm());
+        values.put(Keys.KEY_SIZE, key.getBitStrength());
+        values.put(Keys.CAN_SIGN, Apg.isSigningKey(key));
+        values.put(Keys.CAN_ENCRYPT, Apg.isEncryptionKey(key));
+        values.put(Keys.IS_REVOKED, key.isRevoked());
+        values.put(Keys.CREATION, Apg.getCreationDate(key).getTime() / 1000);
+        Date expiryDate = Apg.getExpiryDate(key);
+        if (expiryDate != null) {
+            values.put(Keys.EXPIRY, expiryDate.getTime() / 1000);
+        }
+        values.put(Keys.KEY_RING_ID, keyRingId);
+        values.put(Keys.KEY_DATA, key.getEncoded());
+        values.put(Keys.RANK, rank);
+
+        long rowId = insertOrUpdateKey(values);
+
+        if (rowId == -1) {
+            throw new GeneralException("saving public key " + key.getKeyID() + " failed");
+        }
+
+        Vector<Integer> seenIds = new Vector<Integer>();
+        int userIdRank = 0;
+        for (String userId : new IterableIterator<String>(key.getUserIDs())) {
+            seenIds.add(saveUserId(rowId, userId, userIdRank));
+            ++userIdRank;
+        }
+
+        String seenIdsStr = "";
+        for (Integer id : seenIds) {
+            if (seenIdsStr.length() > 0) {
+                seenIdsStr += ",";
+            }
+            seenIdsStr += id;
+        }
+        mDb.delete(UserIds.TABLE_NAME,
+                   UserIds.KEY_ID + " = ? AND " +
+                   UserIds._ID + " NOT IN (" + seenIdsStr + ")",
+                   new String[] { "" + rowId });
+
+        return (int)rowId;
+    }
+
+    private int saveKey(long keyRingId, PGPSecretKey key, int rank)
+            throws IOException, GeneralException {
+        ContentValues values = new ContentValues();
+
+        values.put(Keys.KEY_ID, key.getPublicKey().getKeyID());
+        values.put(Keys.TYPE, Id.database.type_secret);
+        values.put(Keys.IS_MASTER_KEY, key.isMasterKey());
+        values.put(Keys.ALGORITHM, key.getPublicKey().getAlgorithm());
+        values.put(Keys.KEY_SIZE, key.getPublicKey().getBitStrength());
+        values.put(Keys.CAN_SIGN, Apg.isSigningKey(key));
+        values.put(Keys.CAN_ENCRYPT, Apg.isEncryptionKey(key));
+        values.put(Keys.IS_REVOKED, key.getPublicKey().isRevoked());
+        values.put(Keys.CREATION, Apg.getCreationDate(key).getTime() / 1000);
+        Date expiryDate = Apg.getExpiryDate(key);
+        if (expiryDate != null) {
+            values.put(Keys.EXPIRY, expiryDate.getTime() / 1000);
+        }
+        values.put(Keys.KEY_RING_ID, keyRingId);
+        values.put(Keys.KEY_DATA, key.getEncoded());
+        values.put(Keys.RANK, rank);
+
+        long rowId = insertOrUpdateKey(values);
+
+        if (rowId == -1) {
+            throw new GeneralException("saving secret key " + key.getPublicKey().getKeyID() + " failed");
+        }
+
+        Vector<Integer> seenIds = new Vector<Integer>();
+        int userIdRank = 0;
+        for (String userId : new IterableIterator<String>(key.getUserIDs())) {
+            seenIds.add(saveUserId(rowId, userId, userIdRank));
+            ++userIdRank;
+        }
+
+        String seenIdsStr = "";
+        for (Integer id : seenIds) {
+            if (seenIdsStr.length() > 0) {
+                seenIdsStr += ",";
+            }
+            seenIdsStr += id;
+        }
+        mDb.delete(UserIds.TABLE_NAME,
+                   UserIds.KEY_ID + " = ? AND " +
+                   UserIds._ID + " NOT IN (" + seenIdsStr + ")",
+                   new String[] { "" + rowId });
+
+        return (int)rowId;
+    }
+
+    private int saveUserId(long keyId, String userId, int rank) throws GeneralException {
+        ContentValues values = new ContentValues();
+
+        values.put(UserIds.KEY_ID, keyId);
+        values.put(UserIds.USER_ID, userId);
+        values.put(UserIds.RANK, rank);
+
+        long rowId = insertOrUpdateUserId(values);
+
+        if (rowId == -1) {
+            throw new GeneralException("saving user id " + userId + " failed");
+        }
+
+        return (int)rowId;
+    }
+
+    private long insertOrUpdateKeyRing(ContentValues values) {
+        Cursor c = mDb.query(KeyRings.TABLE_NAME, new String[] { KeyRings._ID },
+                             KeyRings.MASTER_KEY_ID + " = ? AND " + KeyRings.TYPE + " = ?",
+                             new String[] {
+                                 values.getAsString(KeyRings.MASTER_KEY_ID),
+                                 values.getAsString(KeyRings.TYPE),
+                             },
+                             null, null, null);
+        long rowId = -1;
+        if (c != null && c.moveToFirst()) {
+            rowId = c.getLong(0);
+            mDb.update(KeyRings.TABLE_NAME, values,
+                       KeyRings._ID + " = ?", new String[] { "" + rowId });
+            mStatus = Id.return_value.updated;
+        } else {
+            rowId = mDb.insert(KeyRings.TABLE_NAME, KeyRings.WHO_ID, values);
+            mStatus = Id.return_value.ok;
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        return rowId;
+    }
+
+    private long insertOrUpdateKey(ContentValues values) {
+        Cursor c = mDb.query(Keys.TABLE_NAME, new String[] { Keys._ID },
+                             Keys.KEY_ID + " = ? AND " + Keys.TYPE + " = ?",
+                             new String[] {
+                                 values.getAsString(Keys.KEY_ID),
+                                 values.getAsString(Keys.TYPE),
+                             },
+                             null, null, null);
+        long rowId = -1;
+        if (c != null && c.moveToFirst()) {
+            rowId = c.getLong(0);
+            mDb.update(Keys.TABLE_NAME, values,
+                       Keys._ID + " = ?", new String[] { "" + rowId });
+        } else {
+            rowId = mDb.insert(Keys.TABLE_NAME, Keys.KEY_DATA, values);
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        return rowId;
+    }
+
+    private long insertOrUpdateUserId(ContentValues values) {
+        Cursor c = mDb.query(UserIds.TABLE_NAME, new String[] { UserIds._ID },
+                             UserIds.KEY_ID + " = ? AND " + UserIds.USER_ID + " = ?",
+                             new String[] {
+                                 values.getAsString(UserIds.KEY_ID),
+                                 values.getAsString(UserIds.USER_ID),
+                             },
+                             null, null, null);
+        long rowId = -1;
+        if (c != null && c.moveToFirst()) {
+            rowId = c.getLong(0);
+            mDb.update(UserIds.TABLE_NAME, values,
+                       UserIds._ID + " = ?", new String[] { "" + rowId });
+        } else {
+            rowId = mDb.insert(UserIds.TABLE_NAME, UserIds.USER_ID, values);
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        return rowId;
+    }
+
+    public Object getKeyRing(int keyRingId) {
+        Cursor c = mDb.query(KeyRings.TABLE_NAME,
+                             new String[] { KeyRings.KEY_RING_DATA, KeyRings.TYPE },
+                             KeyRings._ID + " = ?",
+                             new String[] {
+                                 "" + keyRingId,
+                             },
+                             null, null, null);
+        byte[] data = null;
+        Object keyRing = null;
+        if (c != null && c.moveToFirst()) {
+            data = c.getBlob(0);
+            if (data != null) {
+                try {
+                    if (c.getInt(1) == Id.database.type_public) {
+                        keyRing = new PGPPublicKeyRing(data);
+                    } else {
+                        keyRing = new PGPSecretKeyRing(data);
+                    }
+                } catch (IOException e) {
+                    // can't load it, then
+                } catch (PGPException e) {
+                    // can't load it, then
+                }
+            }
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        return keyRing;
+    }
+
+    public byte[] getKeyRingDataFromKeyId(int type, long keyId) {
+        Cursor c = mDb.query(Keys.TABLE_NAME + " INNER JOIN " + KeyRings.TABLE_NAME + " ON (" +
+                             KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
+                             Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + ")",
+                             new String[] { KeyRings.TABLE_NAME + "." + KeyRings.KEY_RING_DATA },
+                             Keys.TABLE_NAME + "." + Keys.KEY_ID + " = ? AND " +
+                             KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
+                             new String[] {
+                                 "" + keyId,
+                                 "" + type,
+                             },
+                             null, null, null);
+
+        byte[] data = null;
+        if (c != null && c.moveToFirst()) {
+            data = c.getBlob(0);
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        return data;
+    }
+
+    public byte[] getKeyDataFromKeyId(int type, long keyId) {
+        Cursor c = mDb.query(Keys.TABLE_NAME, new String[] { Keys.KEY_DATA },
+                             Keys.KEY_ID + " = ? AND " + Keys.TYPE + " = ?",
+                             new String[] {
+                                 "" + keyId,
+                                 "" + type,
+                             },
+                             null, null, null);
+        byte[] data = null;
+        if (c != null && c.moveToFirst()) {
+            data = c.getBlob(0);
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        return data;
+    }
+
+    public void deleteKeyRing(int keyRingId) {
+        mDb.beginTransaction();
+        mDb.delete(KeyRings.TABLE_NAME,
+                   KeyRings._ID + " = ?", new String[] { "" + keyRingId });
+
+        Cursor c = mDb.query(Keys.TABLE_NAME, new String[] { Keys._ID },
+                             Keys.KEY_RING_ID + " = ?",
+                             new String[] {
+                                 "" + keyRingId,
+                             },
+                                    null, null, null);
+        if (c != null && c.moveToFirst()) {
+            do {
+                int keyId = c.getInt(0);
+                deleteKey(keyId);
+            } while (c.moveToNext());
+        }
+
+        if (c != null) {
+            c.close();
+        }
+
+        mDb.setTransactionSuccessful();
+        mDb.endTransaction();
+    }
+
+    private void deleteKey(int keyId) {
+        mDb.delete(Keys.TABLE_NAME,
+                   Keys._ID + " = ?", new String[] { "" + keyId });
+
+        mDb.delete(UserIds.TABLE_NAME,
+                   UserIds.KEY_ID + " = ?", new String[] { "" + keyId });
+    }
+
+    public SQLiteDatabase db() {
+        return mDb;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/provider/KeyRings.java b/src/org/thialfihar/android/apg/provider/KeyRings.java
index a4eae6695..58e95eba6 100644
--- a/src/org/thialfihar/android/apg/provider/KeyRings.java
+++ b/src/org/thialfihar/android/apg/provider/KeyRings.java
@@ -1,33 +1,33 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.provider;
-
-import android.provider.BaseColumns;
-
-public class KeyRings implements BaseColumns {
-    public static final String TABLE_NAME = "key_rings";
-
-    public static final String _ID_type = "INTEGER PRIMARY KEY";
-    public static final String MASTER_KEY_ID = "c_master_key_id";
-    public static final String MASTER_KEY_ID_type = "INT64";
-    public static final String TYPE = "c_type";
-    public static final String TYPE_type = "INTEGER";
-    public static final String WHO_ID = "c_who_id";
-    public static final String WHO_ID_type = "INTEGER";
-    public static final String KEY_RING_DATA = "c_key_ring_data";
-    public static final String KEY_RING_DATA_type = "BLOB";
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.provider;
+
+import android.provider.BaseColumns;
+
+public class KeyRings implements BaseColumns {
+    public static final String TABLE_NAME = "key_rings";
+
+    public static final String _ID_type = "INTEGER PRIMARY KEY";
+    public static final String MASTER_KEY_ID = "c_master_key_id";
+    public static final String MASTER_KEY_ID_type = "INT64";
+    public static final String TYPE = "c_type";
+    public static final String TYPE_type = "INTEGER";
+    public static final String WHO_ID = "c_who_id";
+    public static final String WHO_ID_type = "INTEGER";
+    public static final String KEY_RING_DATA = "c_key_ring_data";
+    public static final String KEY_RING_DATA_type = "BLOB";
+}
diff --git a/src/org/thialfihar/android/apg/provider/UserIds.java b/src/org/thialfihar/android/apg/provider/UserIds.java
index 2b1162beb..2050ccf9c 100644
--- a/src/org/thialfihar/android/apg/provider/UserIds.java
+++ b/src/org/thialfihar/android/apg/provider/UserIds.java
@@ -1,31 +1,31 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.provider;
-
-import android.provider.BaseColumns;
-
-public class UserIds implements BaseColumns {
-    public static final String TABLE_NAME = "user_ids";
-
-    public static final String _ID_type = "INTEGER PRIMARY KEY";
-    public static final String KEY_ID = "c_key_id";
-    public static final String KEY_ID_type = "INTEGER";
-    public static final String USER_ID = "c_user_id";
-    public static final String USER_ID_type = "TEXT";
-    public static final String RANK = "c_rank";
-    public static final String RANK_type = "INTEGER";
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.provider;
+
+import android.provider.BaseColumns;
+
+public class UserIds implements BaseColumns {
+    public static final String TABLE_NAME = "user_ids";
+
+    public static final String _ID_type = "INTEGER PRIMARY KEY";
+    public static final String KEY_ID = "c_key_id";
+    public static final String KEY_ID_type = "INTEGER";
+    public static final String USER_ID = "c_user_id";
+    public static final String USER_ID_type = "TEXT";
+    public static final String RANK = "c_rank";
+    public static final String RANK_type = "INTEGER";
+}
diff --git a/src/org/thialfihar/android/apg/ui/widget/Editor.java b/src/org/thialfihar/android/apg/ui/widget/Editor.java
index ab29581a4..a7200fad0 100644
--- a/src/org/thialfihar/android/apg/ui/widget/Editor.java
+++ b/src/org/thialfihar/android/apg/ui/widget/Editor.java
@@ -1,25 +1,25 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.ui.widget;
-
-public interface Editor {
-    public interface EditorListener {
-        public void onDeleted(Editor editor);
-    }
-
-    public void setEditorListener(EditorListener listener);
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.ui.widget;
+
+public interface Editor {
+    public interface EditorListener {
+        public void onDeleted(Editor editor);
+    }
+
+    public void setEditorListener(EditorListener listener);
+}
diff --git a/src/org/thialfihar/android/apg/ui/widget/KeyEditor.java b/src/org/thialfihar/android/apg/ui/widget/KeyEditor.java
index 1a9cfdbac..1bc7515f5 100644
--- a/src/org/thialfihar/android/apg/ui/widget/KeyEditor.java
+++ b/src/org/thialfihar/android/apg/ui/widget/KeyEditor.java
@@ -1,242 +1,242 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.ui.widget;
-
-import java.text.DateFormat;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.Vector;
-
-import org.bouncycastle2.openpgp.PGPPublicKey;
-import org.bouncycastle2.openpgp.PGPSecretKey;
-import org.thialfihar.android.apg.Apg;
-import org.thialfihar.android.apg.Id;
-import org.thialfihar.android.apg.R;
-import org.thialfihar.android.apg.utils.Choice;
-
-import android.app.DatePickerDialog;
-import android.app.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.DatePicker;
-import android.widget.ImageButton;
-import android.widget.LinearLayout;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-public class KeyEditor extends LinearLayout implements Editor, OnClickListener {
-    private PGPSecretKey mKey;
-
-    private EditorListener mEditorListener = null;
-
-    private boolean mIsMasterKey;
-    ImageButton mDeleteButton;
-    TextView mAlgorithm;
-    TextView mKeyId;
-    Spinner mUsage;
-    TextView mCreationDate;
-    Button mExpiryDateButton;
-    GregorianCalendar mExpiryDate;
-
-    private DatePickerDialog.OnDateSetListener mExpiryDateSetListener =
-            new DatePickerDialog.OnDateSetListener() {
-                public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
-                    GregorianCalendar date = new GregorianCalendar(year, monthOfYear, dayOfMonth);
-                    setExpiryDate(date);
-                }
-            };
-
-    public KeyEditor(Context context) {
-        super(context);
-    }
-
-    public KeyEditor(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        setDrawingCacheEnabled(true);
-        setAlwaysDrawnWithCacheEnabled(true);
-
-        mAlgorithm = (TextView) findViewById(R.id.algorithm);
-        mKeyId = (TextView) findViewById(R.id.keyId);
-        mCreationDate = (TextView) findViewById(R.id.creation);
-        mExpiryDateButton = (Button) findViewById(R.id.expiry);
-        mUsage = (Spinner) findViewById(R.id.usage);
-        Choice choices[] = {
-                new Choice(Id.choice.usage.sign_only,
-                           getResources().getString(R.string.choice_signOnly)),
-                new Choice(Id.choice.usage.encrypt_only,
-                           getResources().getString(R.string.choice_encryptOnly)),
-                new Choice(Id.choice.usage.sign_and_encrypt,
-                           getResources().getString(R.string.choice_signAndEncrypt)),
-        };
-        ArrayAdapter<Choice> adapter =
-                new ArrayAdapter<Choice>(getContext(),
-                                         android.R.layout.simple_spinner_item, choices);
-        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
-        mUsage.setAdapter(adapter);
-
-        mDeleteButton = (ImageButton) findViewById(R.id.delete);
-        mDeleteButton.setOnClickListener(this);
-
-        setExpiryDate(null);
-
-        mExpiryDateButton.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                GregorianCalendar date = mExpiryDate;
-                if (date == null) {
-                    date = new GregorianCalendar();
-                }
-
-                DatePickerDialog dialog =
-                        new DatePickerDialog(getContext(), mExpiryDateSetListener,
-                                             date.get(Calendar.YEAR),
-                                             date.get(Calendar.MONTH),
-                                             date.get(Calendar.DAY_OF_MONTH));
-                dialog.setCancelable(true);
-                dialog.setButton(Dialog.BUTTON_NEGATIVE,
-                                 getContext().getString(R.string.btn_noDate),
-                                 new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int which) {
-                        setExpiryDate(null);
-                    }
-                });
-                dialog.show();
-            }
-        });
-
-        super.onFinishInflate();
-    }
-
-    public void setValue(PGPSecretKey key, boolean isMasterKey) {
-        mKey = key;
-
-        mIsMasterKey = isMasterKey;
-        if (mIsMasterKey) {
-            mDeleteButton.setVisibility(View.INVISIBLE);
-        }
-
-        mAlgorithm.setText(Apg.getAlgorithmInfo(key));
-        String keyId1Str = Long.toHexString((key.getKeyID() >> 32) & 0xffffffffL);
-        while (keyId1Str.length() < 8) {
-            keyId1Str = "0" + keyId1Str;
-        }
-        String keyId2Str = Long.toHexString(key.getKeyID() & 0xffffffffL);
-        while (keyId2Str.length() < 8) {
-            keyId2Str = "0" + keyId2Str;
-        }
-        mKeyId.setText(keyId1Str + " " + keyId2Str);
-
-        Vector<Choice> choices = new Vector<Choice>();
-        boolean isElGamalKey = (key.getPublicKey().getAlgorithm() == PGPPublicKey.ELGAMAL_ENCRYPT);
-        if (!isElGamalKey) {
-            choices.add(new Choice(Id.choice.usage.sign_only,
-                                   getResources().getString(R.string.choice_signOnly)));
-        }
-        if (!mIsMasterKey) {
-            choices.add(new Choice(Id.choice.usage.encrypt_only,
-                                   getResources().getString(R.string.choice_encryptOnly)));
-        }
-        if (!isElGamalKey) {
-            choices.add(new Choice(Id.choice.usage.sign_and_encrypt,
-                                   getResources().getString(R.string.choice_signAndEncrypt)));
-        }
-
-        ArrayAdapter<Choice> adapter =
-                new ArrayAdapter<Choice>(getContext(),
-                                         android.R.layout.simple_spinner_item, choices);
-        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
-        mUsage.setAdapter(adapter);
-
-        int selectId = 0;
-        if (Apg.isEncryptionKey(key)) {
-            if (Apg.isSigningKey(key)) {
-                selectId = Id.choice.usage.sign_and_encrypt;
-            } else {
-                selectId = Id.choice.usage.encrypt_only;
-            }
-        } else {
-            selectId = Id.choice.usage.sign_only;
-        }
-
-        for (int i = 0; i < choices.size(); ++i) {
-            if (choices.get(i).getId() == selectId) {
-                mUsage.setSelection(i);
-                break;
-            }
-        }
-
-        GregorianCalendar cal = new GregorianCalendar();
-        cal.setTime(Apg.getCreationDate(key));
-        mCreationDate.setText(DateFormat.getDateInstance().format(cal.getTime()));
-        cal = new GregorianCalendar();
-        Date date = Apg.getExpiryDate(key);
-        if (date == null) {
-            setExpiryDate(null);
-        } else {
-            cal.setTime(Apg.getExpiryDate(key));
-            setExpiryDate(cal);
-        }
-    }
-
-    public PGPSecretKey getValue() {
-        return mKey;
-    }
-
-    @Override
-    public void onClick(View v) {
-        final ViewGroup parent = (ViewGroup)getParent();
-        if (v == mDeleteButton) {
-            parent.removeView(this);
-            if (mEditorListener != null) {
-                mEditorListener.onDeleted(this);
-            }
-        }
-    }
-
-    @Override
-    public void setEditorListener(EditorListener listener) {
-        mEditorListener = listener;
-    }
-
-    private void setExpiryDate(GregorianCalendar date) {
-        mExpiryDate = date;
-        if (date == null) {
-            mExpiryDateButton.setText(R.string.none);
-        } else {
-            mExpiryDateButton.setText(DateFormat.getDateInstance().format(date.getTime()));
-        }
-    }
-
-    public GregorianCalendar getExpiryDate() {
-        return mExpiryDate;
-    }
-
-    public int getUsage() {
-        return ((Choice) mUsage.getSelectedItem()).getId();
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.ui.widget;
+
+import java.text.DateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.Vector;
+
+import org.bouncycastle2.openpgp.PGPPublicKey;
+import org.bouncycastle2.openpgp.PGPSecretKey;
+import org.thialfihar.android.apg.Apg;
+import org.thialfihar.android.apg.Id;
+import org.thialfihar.android.apg.R;
+import org.thialfihar.android.apg.utils.Choice;
+
+import android.app.DatePickerDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.DatePicker;
+import android.widget.ImageButton;
+import android.widget.LinearLayout;
+import android.widget.Spinner;
+import android.widget.TextView;
+
+public class KeyEditor extends LinearLayout implements Editor, OnClickListener {
+    private PGPSecretKey mKey;
+
+    private EditorListener mEditorListener = null;
+
+    private boolean mIsMasterKey;
+    ImageButton mDeleteButton;
+    TextView mAlgorithm;
+    TextView mKeyId;
+    Spinner mUsage;
+    TextView mCreationDate;
+    Button mExpiryDateButton;
+    GregorianCalendar mExpiryDate;
+
+    private DatePickerDialog.OnDateSetListener mExpiryDateSetListener =
+            new DatePickerDialog.OnDateSetListener() {
+                public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
+                    GregorianCalendar date = new GregorianCalendar(year, monthOfYear, dayOfMonth);
+                    setExpiryDate(date);
+                }
+            };
+
+    public KeyEditor(Context context) {
+        super(context);
+    }
+
+    public KeyEditor(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        setDrawingCacheEnabled(true);
+        setAlwaysDrawnWithCacheEnabled(true);
+
+        mAlgorithm = (TextView) findViewById(R.id.algorithm);
+        mKeyId = (TextView) findViewById(R.id.keyId);
+        mCreationDate = (TextView) findViewById(R.id.creation);
+        mExpiryDateButton = (Button) findViewById(R.id.expiry);
+        mUsage = (Spinner) findViewById(R.id.usage);
+        Choice choices[] = {
+                new Choice(Id.choice.usage.sign_only,
+                           getResources().getString(R.string.choice_signOnly)),
+                new Choice(Id.choice.usage.encrypt_only,
+                           getResources().getString(R.string.choice_encryptOnly)),
+                new Choice(Id.choice.usage.sign_and_encrypt,
+                           getResources().getString(R.string.choice_signAndEncrypt)),
+        };
+        ArrayAdapter<Choice> adapter =
+                new ArrayAdapter<Choice>(getContext(),
+                                         android.R.layout.simple_spinner_item, choices);
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        mUsage.setAdapter(adapter);
+
+        mDeleteButton = (ImageButton) findViewById(R.id.delete);
+        mDeleteButton.setOnClickListener(this);
+
+        setExpiryDate(null);
+
+        mExpiryDateButton.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                GregorianCalendar date = mExpiryDate;
+                if (date == null) {
+                    date = new GregorianCalendar();
+                }
+
+                DatePickerDialog dialog =
+                        new DatePickerDialog(getContext(), mExpiryDateSetListener,
+                                             date.get(Calendar.YEAR),
+                                             date.get(Calendar.MONTH),
+                                             date.get(Calendar.DAY_OF_MONTH));
+                dialog.setCancelable(true);
+                dialog.setButton(Dialog.BUTTON_NEGATIVE,
+                                 getContext().getString(R.string.btn_noDate),
+                                 new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                        setExpiryDate(null);
+                    }
+                });
+                dialog.show();
+            }
+        });
+
+        super.onFinishInflate();
+    }
+
+    public void setValue(PGPSecretKey key, boolean isMasterKey) {
+        mKey = key;
+
+        mIsMasterKey = isMasterKey;
+        if (mIsMasterKey) {
+            mDeleteButton.setVisibility(View.INVISIBLE);
+        }
+
+        mAlgorithm.setText(Apg.getAlgorithmInfo(key));
+        String keyId1Str = Long.toHexString((key.getKeyID() >> 32) & 0xffffffffL);
+        while (keyId1Str.length() < 8) {
+            keyId1Str = "0" + keyId1Str;
+        }
+        String keyId2Str = Long.toHexString(key.getKeyID() & 0xffffffffL);
+        while (keyId2Str.length() < 8) {
+            keyId2Str = "0" + keyId2Str;
+        }
+        mKeyId.setText(keyId1Str + " " + keyId2Str);
+
+        Vector<Choice> choices = new Vector<Choice>();
+        boolean isElGamalKey = (key.getPublicKey().getAlgorithm() == PGPPublicKey.ELGAMAL_ENCRYPT);
+        if (!isElGamalKey) {
+            choices.add(new Choice(Id.choice.usage.sign_only,
+                                   getResources().getString(R.string.choice_signOnly)));
+        }
+        if (!mIsMasterKey) {
+            choices.add(new Choice(Id.choice.usage.encrypt_only,
+                                   getResources().getString(R.string.choice_encryptOnly)));
+        }
+        if (!isElGamalKey) {
+            choices.add(new Choice(Id.choice.usage.sign_and_encrypt,
+                                   getResources().getString(R.string.choice_signAndEncrypt)));
+        }
+
+        ArrayAdapter<Choice> adapter =
+                new ArrayAdapter<Choice>(getContext(),
+                                         android.R.layout.simple_spinner_item, choices);
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        mUsage.setAdapter(adapter);
+
+        int selectId = 0;
+        if (Apg.isEncryptionKey(key)) {
+            if (Apg.isSigningKey(key)) {
+                selectId = Id.choice.usage.sign_and_encrypt;
+            } else {
+                selectId = Id.choice.usage.encrypt_only;
+            }
+        } else {
+            selectId = Id.choice.usage.sign_only;
+        }
+
+        for (int i = 0; i < choices.size(); ++i) {
+            if (choices.get(i).getId() == selectId) {
+                mUsage.setSelection(i);
+                break;
+            }
+        }
+
+        GregorianCalendar cal = new GregorianCalendar();
+        cal.setTime(Apg.getCreationDate(key));
+        mCreationDate.setText(DateFormat.getDateInstance().format(cal.getTime()));
+        cal = new GregorianCalendar();
+        Date date = Apg.getExpiryDate(key);
+        if (date == null) {
+            setExpiryDate(null);
+        } else {
+            cal.setTime(Apg.getExpiryDate(key));
+            setExpiryDate(cal);
+        }
+    }
+
+    public PGPSecretKey getValue() {
+        return mKey;
+    }
+
+    @Override
+    public void onClick(View v) {
+        final ViewGroup parent = (ViewGroup)getParent();
+        if (v == mDeleteButton) {
+            parent.removeView(this);
+            if (mEditorListener != null) {
+                mEditorListener.onDeleted(this);
+            }
+        }
+    }
+
+    @Override
+    public void setEditorListener(EditorListener listener) {
+        mEditorListener = listener;
+    }
+
+    private void setExpiryDate(GregorianCalendar date) {
+        mExpiryDate = date;
+        if (date == null) {
+            mExpiryDateButton.setText(R.string.none);
+        } else {
+            mExpiryDateButton.setText(DateFormat.getDateInstance().format(date.getTime()));
+        }
+    }
+
+    public GregorianCalendar getExpiryDate() {
+        return mExpiryDate;
+    }
+
+    public int getUsage() {
+        return ((Choice) mUsage.getSelectedItem()).getId();
+    }
+}
diff --git a/src/org/thialfihar/android/apg/ui/widget/SectionView.java b/src/org/thialfihar/android/apg/ui/widget/SectionView.java
index 3b7d801de..124c1c9da 100644
--- a/src/org/thialfihar/android/apg/ui/widget/SectionView.java
+++ b/src/org/thialfihar/android/apg/ui/widget/SectionView.java
@@ -1,337 +1,337 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.ui.widget;
-
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidParameterException;
-import java.security.NoSuchAlgorithmException;
-import java.security.NoSuchProviderException;
-import java.util.Vector;
-
-import org.bouncycastle2.openpgp.PGPException;
-import org.bouncycastle2.openpgp.PGPSecretKey;
-import org.thialfihar.android.apg.Apg;
-import org.thialfihar.android.apg.Id;
-import org.thialfihar.android.apg.R;
-import org.thialfihar.android.apg.ui.widget.Editor.EditorListener;
-import org.thialfihar.android.apg.utils.Choice;
-
-import android.app.AlertDialog;
-import android.app.ProgressDialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.util.AttributeSet;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.widget.ArrayAdapter;
-import android.widget.EditText;
-import android.widget.LinearLayout;
-import android.widget.Spinner;
-import android.widget.TextView;
-import android.widget.Toast;
-
-public class SectionView extends LinearLayout implements OnClickListener, EditorListener, Runnable {
-    private LayoutInflater mInflater;
-    private View mAdd;
-    private ViewGroup mEditors;
-    private TextView mTitle;
-    private int mType = 0;
-
-    private Choice mNewKeyAlgorithmChoice;
-    private int mNewKeySize;
-
-    volatile private PGPSecretKey mNewKey;
-    private ProgressDialog mProgressDialog;
-    private Thread mRunningThread = null;
-
-    private Handler mHandler = new Handler() {
-        @Override
-        public void handleMessage(Message msg) {
-            Bundle data = msg.getData();
-            if (data != null) {
-                boolean closeProgressDialog = data.getBoolean("closeProgressDialog");
-                if (closeProgressDialog) {
-                    if (mProgressDialog != null) {
-                        mProgressDialog.dismiss();
-                        mProgressDialog = null;
-                    }
-                }
-
-                String error = data.getString(Apg.EXTRA_ERROR);
-                if (error != null) {
-                    Toast.makeText(getContext(),
-                                   getContext().getString(R.string.errorMessage, error),
-                                   Toast.LENGTH_SHORT).show();
-                }
-
-                boolean gotNewKey = data.getBoolean("gotNewKey");
-                if (gotNewKey) {
-                    KeyEditor view =
-                        (KeyEditor) mInflater.inflate(R.layout.edit_key_key_item,
-                                                      mEditors, false);
-                    view.setEditorListener(SectionView.this);
-                    boolean isMasterKey = (mEditors.getChildCount() == 0);
-                    view.setValue(mNewKey, isMasterKey);
-                    mEditors.addView(view);
-                    SectionView.this.updateEditorsVisible();
-                }
-            }
-        }
-    };
-
-    public SectionView(Context context) {
-        super(context);
-    }
-
-    public SectionView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public ViewGroup getEditors() {
-        return mEditors;
-    }
-
-    public void setType(int type) {
-        mType = type;
-        switch (type) {
-            case Id.type.user_id: {
-                mTitle.setText(R.string.section_userIds);
-                break;
-            }
-
-            case Id.type.key: {
-                mTitle.setText(R.string.section_keys);
-                break;
-            }
-
-            default: {
-                break;
-            }
-        }
-    }
-
-    /** {@inheritDoc} */
-    @Override
-    protected void onFinishInflate() {
-        mInflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-
-        setDrawingCacheEnabled(true);
-        setAlwaysDrawnWithCacheEnabled(true);
-
-        mAdd = findViewById(R.id.header);
-        mAdd.setOnClickListener(this);
-
-        mEditors = (ViewGroup) findViewById(R.id.editors);
-        mTitle = (TextView) findViewById(R.id.title);
-
-        updateEditorsVisible();
-        super.onFinishInflate();
-    }
-
-    /** {@inheritDoc} */
-    public void onDeleted(Editor editor) {
-        this.updateEditorsVisible();
-    }
-
-    protected void updateEditorsVisible() {
-        final boolean hasChildren = mEditors.getChildCount() > 0;
-        mEditors.setVisibility(hasChildren ? View.VISIBLE : View.GONE);
-    }
-
-    /** {@inheritDoc} */
-    public void onClick(View v) {
-        switch (mType) {
-            case Id.type.user_id: {
-                UserIdEditor view =
-                        (UserIdEditor) mInflater.inflate(R.layout.edit_key_user_id_item,
-                                                         mEditors, false);
-                view.setEditorListener(this);
-                if (mEditors.getChildCount() == 0) {
-                    view.setIsMainUserId(true);
-                }
-                mEditors.addView(view);
-                break;
-            }
-
-            case Id.type.key: {
-                AlertDialog.Builder dialog = new AlertDialog.Builder(getContext());
-
-                View view = mInflater.inflate(R.layout.create_key, null);
-                dialog.setView(view);
-                dialog.setTitle(R.string.title_createKey);
-                dialog.setMessage(R.string.keyCreationElGamalInfo);
-
-                boolean wouldBeMasterKey = (mEditors.getChildCount() == 0);
-
-                final Spinner algorithm = (Spinner) view.findViewById(R.id.algorithm);
-                Vector<Choice> choices = new Vector<Choice>();
-                choices.add(new Choice(Id.choice.algorithm.dsa,
-                                       getResources().getString(R.string.dsa)));
-                if (!wouldBeMasterKey) {
-                    choices.add(new Choice(Id.choice.algorithm.elgamal,
-                                           getResources().getString(R.string.elgamal)));
-                }
-
-                choices.add(new Choice(Id.choice.algorithm.rsa,
-                                       getResources().getString(R.string.rsa)));
-
-                ArrayAdapter<Choice> adapter =
-                        new ArrayAdapter<Choice>(getContext(),
-                                                 android.R.layout.simple_spinner_item,
-                                                 choices);
-                adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
-                algorithm.setAdapter(adapter);
-                // make RSA the default
-                for (int i = 0; i < choices.size(); ++i) {
-                    if (choices.get(i).getId() == Id.choice.algorithm.rsa) {
-                        algorithm.setSelection(i);
-                        break;
-                    }
-                }
-
-                final EditText keySize = (EditText) view.findViewById(R.id.size);
-
-                dialog.setPositiveButton(android.R.string.ok,
-                                         new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface di, int id) {
-                        di.dismiss();
-                        try {
-                            mNewKeySize = Integer.parseInt("" + keySize.getText());
-                        } catch (NumberFormatException e) {
-                            mNewKeySize = 0;
-                        }
-
-                        mNewKeyAlgorithmChoice = (Choice) algorithm.getSelectedItem();
-                        createKey();
-                    }
-                });
-
-                dialog.setCancelable(true);
-                dialog.setNegativeButton(android.R.string.cancel,
-                                         new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface di, int id) {
-                        di.dismiss();
-                    }
-                });
-
-                dialog.create().show();
-                break;
-            }
-
-            default: {
-                break;
-            }
-        }
-        this.updateEditorsVisible();
-    }
-
-    public void setUserIds(Vector<String> list) {
-        if (mType != Id.type.user_id) {
-            return;
-        }
-
-        mEditors.removeAllViews();
-        for (String userId : list) {
-            UserIdEditor view =
-                (UserIdEditor) mInflater.inflate(R.layout.edit_key_user_id_item, mEditors, false);
-            view.setEditorListener(this);
-            view.setValue(userId);
-            if (mEditors.getChildCount() == 0) {
-                view.setIsMainUserId(true);
-            }
-            mEditors.addView(view);
-        }
-
-        this.updateEditorsVisible();
-    }
-
-    public void setKeys(Vector<PGPSecretKey> list) {
-        if (mType != Id.type.key) {
-            return;
-        }
-
-        mEditors.removeAllViews();
-        for (PGPSecretKey key : list) {
-            KeyEditor view =
-                (KeyEditor) mInflater.inflate(R.layout.edit_key_key_item, mEditors, false);
-            view.setEditorListener(this);
-            boolean isMasterKey = (mEditors.getChildCount() == 0);
-            view.setValue(key, isMasterKey);
-            mEditors.addView(view);
-        }
-
-        this.updateEditorsVisible();
-    }
-
-    private void createKey() {
-        mProgressDialog = new ProgressDialog(getContext());
-        mProgressDialog.setMessage(getContext().getString(R.string.progress_generating));
-        mProgressDialog.setCancelable(false);
-        mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
-        mProgressDialog.show();
-        mRunningThread = new Thread(this);
-        mRunningThread.start();
-    }
-
-    public void run() {
-        String error = null;
-        try {
-            PGPSecretKey masterKey = null;
-            String passPhrase;
-            if (mEditors.getChildCount() > 0) {
-                masterKey = ((KeyEditor) mEditors.getChildAt(0)).getValue();
-                passPhrase = Apg.getCachedPassPhrase(masterKey.getKeyID());
-            } else {
-                passPhrase = "";
-            }
-            mNewKey = Apg.createKey(getContext(),
-                                    mNewKeyAlgorithmChoice.getId(),
-                                    mNewKeySize, passPhrase,
-                                    masterKey);
-        } catch (NoSuchProviderException e) {
-            error = "" + e;
-        } catch (NoSuchAlgorithmException e) {
-            error = "" + e;
-        } catch (PGPException e) {
-            error = "" + e;
-        } catch (InvalidParameterException e) {
-            error = "" + e;
-        } catch (InvalidAlgorithmParameterException e) {
-            error = "" + e;
-        } catch (Apg.GeneralException e) {
-            error = "" + e;
-        }
-
-        Message message = new Message();
-        Bundle data = new Bundle();
-        data.putBoolean("closeProgressDialog", true);
-        if (error != null) {
-            data.putString(Apg.EXTRA_ERROR, error);
-        } else {
-            data.putBoolean("gotNewKey", true);
-        }
-        message.setData(data);
-        mHandler.sendMessage(message);
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.ui.widget;
+
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.util.Vector;
+
+import org.bouncycastle2.openpgp.PGPException;
+import org.bouncycastle2.openpgp.PGPSecretKey;
+import org.thialfihar.android.apg.Apg;
+import org.thialfihar.android.apg.Id;
+import org.thialfihar.android.apg.R;
+import org.thialfihar.android.apg.ui.widget.Editor.EditorListener;
+import org.thialfihar.android.apg.utils.Choice;
+
+import android.app.AlertDialog;
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.Spinner;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class SectionView extends LinearLayout implements OnClickListener, EditorListener, Runnable {
+    private LayoutInflater mInflater;
+    private View mAdd;
+    private ViewGroup mEditors;
+    private TextView mTitle;
+    private int mType = 0;
+
+    private Choice mNewKeyAlgorithmChoice;
+    private int mNewKeySize;
+
+    volatile private PGPSecretKey mNewKey;
+    private ProgressDialog mProgressDialog;
+    private Thread mRunningThread = null;
+
+    private Handler mHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            Bundle data = msg.getData();
+            if (data != null) {
+                boolean closeProgressDialog = data.getBoolean("closeProgressDialog");
+                if (closeProgressDialog) {
+                    if (mProgressDialog != null) {
+                        mProgressDialog.dismiss();
+                        mProgressDialog = null;
+                    }
+                }
+
+                String error = data.getString(Apg.EXTRA_ERROR);
+                if (error != null) {
+                    Toast.makeText(getContext(),
+                                   getContext().getString(R.string.errorMessage, error),
+                                   Toast.LENGTH_SHORT).show();
+                }
+
+                boolean gotNewKey = data.getBoolean("gotNewKey");
+                if (gotNewKey) {
+                    KeyEditor view =
+                        (KeyEditor) mInflater.inflate(R.layout.edit_key_key_item,
+                                                      mEditors, false);
+                    view.setEditorListener(SectionView.this);
+                    boolean isMasterKey = (mEditors.getChildCount() == 0);
+                    view.setValue(mNewKey, isMasterKey);
+                    mEditors.addView(view);
+                    SectionView.this.updateEditorsVisible();
+                }
+            }
+        }
+    };
+
+    public SectionView(Context context) {
+        super(context);
+    }
+
+    public SectionView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public ViewGroup getEditors() {
+        return mEditors;
+    }
+
+    public void setType(int type) {
+        mType = type;
+        switch (type) {
+            case Id.type.user_id: {
+                mTitle.setText(R.string.section_userIds);
+                break;
+            }
+
+            case Id.type.key: {
+                mTitle.setText(R.string.section_keys);
+                break;
+            }
+
+            default: {
+                break;
+            }
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    protected void onFinishInflate() {
+        mInflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+
+        setDrawingCacheEnabled(true);
+        setAlwaysDrawnWithCacheEnabled(true);
+
+        mAdd = findViewById(R.id.header);
+        mAdd.setOnClickListener(this);
+
+        mEditors = (ViewGroup) findViewById(R.id.editors);
+        mTitle = (TextView) findViewById(R.id.title);
+
+        updateEditorsVisible();
+        super.onFinishInflate();
+    }
+
+    /** {@inheritDoc} */
+    public void onDeleted(Editor editor) {
+        this.updateEditorsVisible();
+    }
+
+    protected void updateEditorsVisible() {
+        final boolean hasChildren = mEditors.getChildCount() > 0;
+        mEditors.setVisibility(hasChildren ? View.VISIBLE : View.GONE);
+    }
+
+    /** {@inheritDoc} */
+    public void onClick(View v) {
+        switch (mType) {
+            case Id.type.user_id: {
+                UserIdEditor view =
+                        (UserIdEditor) mInflater.inflate(R.layout.edit_key_user_id_item,
+                                                         mEditors, false);
+                view.setEditorListener(this);
+                if (mEditors.getChildCount() == 0) {
+                    view.setIsMainUserId(true);
+                }
+                mEditors.addView(view);
+                break;
+            }
+
+            case Id.type.key: {
+                AlertDialog.Builder dialog = new AlertDialog.Builder(getContext());
+
+                View view = mInflater.inflate(R.layout.create_key, null);
+                dialog.setView(view);
+                dialog.setTitle(R.string.title_createKey);
+                dialog.setMessage(R.string.keyCreationElGamalInfo);
+
+                boolean wouldBeMasterKey = (mEditors.getChildCount() == 0);
+
+                final Spinner algorithm = (Spinner) view.findViewById(R.id.algorithm);
+                Vector<Choice> choices = new Vector<Choice>();
+                choices.add(new Choice(Id.choice.algorithm.dsa,
+                                       getResources().getString(R.string.dsa)));
+                if (!wouldBeMasterKey) {
+                    choices.add(new Choice(Id.choice.algorithm.elgamal,
+                                           getResources().getString(R.string.elgamal)));
+                }
+
+                choices.add(new Choice(Id.choice.algorithm.rsa,
+                                       getResources().getString(R.string.rsa)));
+
+                ArrayAdapter<Choice> adapter =
+                        new ArrayAdapter<Choice>(getContext(),
+                                                 android.R.layout.simple_spinner_item,
+                                                 choices);
+                adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+                algorithm.setAdapter(adapter);
+                // make RSA the default
+                for (int i = 0; i < choices.size(); ++i) {
+                    if (choices.get(i).getId() == Id.choice.algorithm.rsa) {
+                        algorithm.setSelection(i);
+                        break;
+                    }
+                }
+
+                final EditText keySize = (EditText) view.findViewById(R.id.size);
+
+                dialog.setPositiveButton(android.R.string.ok,
+                                         new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface di, int id) {
+                        di.dismiss();
+                        try {
+                            mNewKeySize = Integer.parseInt("" + keySize.getText());
+                        } catch (NumberFormatException e) {
+                            mNewKeySize = 0;
+                        }
+
+                        mNewKeyAlgorithmChoice = (Choice) algorithm.getSelectedItem();
+                        createKey();
+                    }
+                });
+
+                dialog.setCancelable(true);
+                dialog.setNegativeButton(android.R.string.cancel,
+                                         new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface di, int id) {
+                        di.dismiss();
+                    }
+                });
+
+                dialog.create().show();
+                break;
+            }
+
+            default: {
+                break;
+            }
+        }
+        this.updateEditorsVisible();
+    }
+
+    public void setUserIds(Vector<String> list) {
+        if (mType != Id.type.user_id) {
+            return;
+        }
+
+        mEditors.removeAllViews();
+        for (String userId : list) {
+            UserIdEditor view =
+                (UserIdEditor) mInflater.inflate(R.layout.edit_key_user_id_item, mEditors, false);
+            view.setEditorListener(this);
+            view.setValue(userId);
+            if (mEditors.getChildCount() == 0) {
+                view.setIsMainUserId(true);
+            }
+            mEditors.addView(view);
+        }
+
+        this.updateEditorsVisible();
+    }
+
+    public void setKeys(Vector<PGPSecretKey> list) {
+        if (mType != Id.type.key) {
+            return;
+        }
+
+        mEditors.removeAllViews();
+        for (PGPSecretKey key : list) {
+            KeyEditor view =
+                (KeyEditor) mInflater.inflate(R.layout.edit_key_key_item, mEditors, false);
+            view.setEditorListener(this);
+            boolean isMasterKey = (mEditors.getChildCount() == 0);
+            view.setValue(key, isMasterKey);
+            mEditors.addView(view);
+        }
+
+        this.updateEditorsVisible();
+    }
+
+    private void createKey() {
+        mProgressDialog = new ProgressDialog(getContext());
+        mProgressDialog.setMessage(getContext().getString(R.string.progress_generating));
+        mProgressDialog.setCancelable(false);
+        mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
+        mProgressDialog.show();
+        mRunningThread = new Thread(this);
+        mRunningThread.start();
+    }
+
+    public void run() {
+        String error = null;
+        try {
+            PGPSecretKey masterKey = null;
+            String passPhrase;
+            if (mEditors.getChildCount() > 0) {
+                masterKey = ((KeyEditor) mEditors.getChildAt(0)).getValue();
+                passPhrase = Apg.getCachedPassPhrase(masterKey.getKeyID());
+            } else {
+                passPhrase = "";
+            }
+            mNewKey = Apg.createKey(getContext(),
+                                    mNewKeyAlgorithmChoice.getId(),
+                                    mNewKeySize, passPhrase,
+                                    masterKey);
+        } catch (NoSuchProviderException e) {
+            error = "" + e;
+        } catch (NoSuchAlgorithmException e) {
+            error = "" + e;
+        } catch (PGPException e) {
+            error = "" + e;
+        } catch (InvalidParameterException e) {
+            error = "" + e;
+        } catch (InvalidAlgorithmParameterException e) {
+            error = "" + e;
+        } catch (Apg.GeneralException e) {
+            error = "" + e;
+        }
+
+        Message message = new Message();
+        Bundle data = new Bundle();
+        data.putBoolean("closeProgressDialog", true);
+        if (error != null) {
+            data.putString(Apg.EXTRA_ERROR, error);
+        } else {
+            data.putBoolean("gotNewKey", true);
+        }
+        message.setData(data);
+        mHandler.sendMessage(message);
+    }
+}
diff --git a/src/org/thialfihar/android/apg/ui/widget/UserIdEditor.java b/src/org/thialfihar/android/apg/ui/widget/UserIdEditor.java
index 555a54375..c8f9f74e7 100644
--- a/src/org/thialfihar/android/apg/ui/widget/UserIdEditor.java
+++ b/src/org/thialfihar/android/apg/ui/widget/UserIdEditor.java
@@ -1,194 +1,194 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.ui.widget;
-
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import org.thialfihar.android.apg.R;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.widget.EditText;
-import android.widget.ImageButton;
-import android.widget.LinearLayout;
-import android.widget.RadioButton;
-
-public class UserIdEditor extends LinearLayout implements Editor, OnClickListener {
-    private EditorListener mEditorListener = null;
-
-    private ImageButton mDeleteButton;
-    private RadioButton mIsMainUserId;
-    private EditText mName;
-    private EditText mEmail;
-    private EditText mComment;
-
-    private static final Pattern EMAIL_PATTERN =
-            Pattern.compile("^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+[.]([a-zA-Z])+([a-zA-Z])+",
-                            Pattern.CASE_INSENSITIVE);
-
-    public static class NoNameException extends Exception {
-        static final long serialVersionUID = 0xf812773343L;
-
-        public NoNameException(String message) {
-            super(message);
-        }
-    }
-
-    public static class NoEmailException extends Exception {
-        static final long serialVersionUID = 0xf812773344L;
-
-        public NoEmailException(String message) {
-            super(message);
-        }
-    }
-
-    public static class InvalidEmailException extends Exception {
-        static final long serialVersionUID = 0xf812773345L;
-
-        public InvalidEmailException(String message) {
-            super(message);
-        }
-    }
-
-    public UserIdEditor(Context context) {
-        super(context);
-    }
-
-    public UserIdEditor(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        setDrawingCacheEnabled(true);
-        setAlwaysDrawnWithCacheEnabled(true);
-
-        mDeleteButton = (ImageButton) findViewById(R.id.delete);
-        mDeleteButton.setOnClickListener(this);
-        mIsMainUserId = (RadioButton) findViewById(R.id.isMainUserId);
-        mIsMainUserId.setOnClickListener(this);
-
-        mName = (EditText) findViewById(R.id.name);
-        mEmail = (EditText) findViewById(R.id.email);
-        mComment = (EditText) findViewById(R.id.comment);
-
-        super.onFinishInflate();
-    }
-
-    public void setValue(String userId) {
-        mName.setText("");
-        mComment.setText("");
-        mEmail.setText("");
-
-        Pattern withComment = Pattern.compile("^(.*) [(](.*)[)] <(.*)>$");
-        Matcher matcher = withComment.matcher(userId);
-        if (matcher.matches()) {
-            mName.setText(matcher.group(1));
-            mComment.setText(matcher.group(2));
-            mEmail.setText(matcher.group(3));
-            return;
-        }
-
-        Pattern withoutComment = Pattern.compile("^(.*) <(.*)>$");
-        matcher = withoutComment.matcher(userId);
-        if (matcher.matches()) {
-            mName.setText(matcher.group(1));
-            mEmail.setText(matcher.group(2));
-            return;
-        }
-    }
-
-    public String getValue() throws NoNameException, NoEmailException, InvalidEmailException {
-        String name = ("" + mName.getText()).trim();
-        String email = ("" + mEmail.getText()).trim();
-        String comment = ("" + mComment.getText()).trim();
-
-        if (email.length() > 0) {
-            Matcher emailMatcher = EMAIL_PATTERN.matcher(email);
-            if (!emailMatcher.matches()) {
-                throw new InvalidEmailException(
-                        getContext().getString(R.string.error_invalidEmail, email));
-            }
-        }
-
-        String userId = name;
-        if (comment.length() > 0) {
-            userId += " (" + comment + ")";
-        }
-        if (email.length() > 0) {
-            userId += " <" + email + ">";
-        }
-
-        if (userId.equals("")) {
-            // ok, empty one...
-            return userId;
-        }
-
-        // otherwise make sure that name and email exist
-        if (name.equals("")) {
-            throw new NoNameException("need a name");
-        }
-
-        if (email.equals("")) {
-            throw new NoEmailException("need an email");
-        }
-
-        return userId;
-    }
-
-    @Override
-    public void onClick(View v) {
-        final ViewGroup parent = (ViewGroup)getParent();
-        if (v == mDeleteButton) {
-            boolean wasMainUserId = mIsMainUserId.isChecked();
-            parent.removeView(this);
-            if (mEditorListener != null) {
-                mEditorListener.onDeleted(this);
-            }
-            if (wasMainUserId && parent.getChildCount() > 0) {
-                UserIdEditor editor = (UserIdEditor) parent.getChildAt(0);
-                editor.setIsMainUserId(true);
-            }
-        } else if (v == mIsMainUserId) {
-            for (int i = 0; i < parent.getChildCount(); ++i) {
-                UserIdEditor editor = (UserIdEditor) parent.getChildAt(i);
-                if (editor == this) {
-                    editor.setIsMainUserId(true);
-                } else {
-                    editor.setIsMainUserId(false);
-                }
-            }
-        }
-    }
-
-    public void setIsMainUserId(boolean value) {
-        mIsMainUserId.setChecked(value);
-    }
-
-    public boolean isMainUserId() {
-        return mIsMainUserId.isChecked();
-    }
-
-    @Override
-    public void setEditorListener(EditorListener listener) {
-        mEditorListener = listener;
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.ui.widget;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.thialfihar.android.apg.R;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.LinearLayout;
+import android.widget.RadioButton;
+
+public class UserIdEditor extends LinearLayout implements Editor, OnClickListener {
+    private EditorListener mEditorListener = null;
+
+    private ImageButton mDeleteButton;
+    private RadioButton mIsMainUserId;
+    private EditText mName;
+    private EditText mEmail;
+    private EditText mComment;
+
+    private static final Pattern EMAIL_PATTERN =
+            Pattern.compile("^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+[.]([a-zA-Z])+([a-zA-Z])+",
+                            Pattern.CASE_INSENSITIVE);
+
+    public static class NoNameException extends Exception {
+        static final long serialVersionUID = 0xf812773343L;
+
+        public NoNameException(String message) {
+            super(message);
+        }
+    }
+
+    public static class NoEmailException extends Exception {
+        static final long serialVersionUID = 0xf812773344L;
+
+        public NoEmailException(String message) {
+            super(message);
+        }
+    }
+
+    public static class InvalidEmailException extends Exception {
+        static final long serialVersionUID = 0xf812773345L;
+
+        public InvalidEmailException(String message) {
+            super(message);
+        }
+    }
+
+    public UserIdEditor(Context context) {
+        super(context);
+    }
+
+    public UserIdEditor(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        setDrawingCacheEnabled(true);
+        setAlwaysDrawnWithCacheEnabled(true);
+
+        mDeleteButton = (ImageButton) findViewById(R.id.delete);
+        mDeleteButton.setOnClickListener(this);
+        mIsMainUserId = (RadioButton) findViewById(R.id.isMainUserId);
+        mIsMainUserId.setOnClickListener(this);
+
+        mName = (EditText) findViewById(R.id.name);
+        mEmail = (EditText) findViewById(R.id.email);
+        mComment = (EditText) findViewById(R.id.comment);
+
+        super.onFinishInflate();
+    }
+
+    public void setValue(String userId) {
+        mName.setText("");
+        mComment.setText("");
+        mEmail.setText("");
+
+        Pattern withComment = Pattern.compile("^(.*) [(](.*)[)] <(.*)>$");
+        Matcher matcher = withComment.matcher(userId);
+        if (matcher.matches()) {
+            mName.setText(matcher.group(1));
+            mComment.setText(matcher.group(2));
+            mEmail.setText(matcher.group(3));
+            return;
+        }
+
+        Pattern withoutComment = Pattern.compile("^(.*) <(.*)>$");
+        matcher = withoutComment.matcher(userId);
+        if (matcher.matches()) {
+            mName.setText(matcher.group(1));
+            mEmail.setText(matcher.group(2));
+            return;
+        }
+    }
+
+    public String getValue() throws NoNameException, NoEmailException, InvalidEmailException {
+        String name = ("" + mName.getText()).trim();
+        String email = ("" + mEmail.getText()).trim();
+        String comment = ("" + mComment.getText()).trim();
+
+        if (email.length() > 0) {
+            Matcher emailMatcher = EMAIL_PATTERN.matcher(email);
+            if (!emailMatcher.matches()) {
+                throw new InvalidEmailException(
+                        getContext().getString(R.string.error_invalidEmail, email));
+            }
+        }
+
+        String userId = name;
+        if (comment.length() > 0) {
+            userId += " (" + comment + ")";
+        }
+        if (email.length() > 0) {
+            userId += " <" + email + ">";
+        }
+
+        if (userId.equals("")) {
+            // ok, empty one...
+            return userId;
+        }
+
+        // otherwise make sure that name and email exist
+        if (name.equals("")) {
+            throw new NoNameException("need a name");
+        }
+
+        if (email.equals("")) {
+            throw new NoEmailException("need an email");
+        }
+
+        return userId;
+    }
+
+    @Override
+    public void onClick(View v) {
+        final ViewGroup parent = (ViewGroup)getParent();
+        if (v == mDeleteButton) {
+            boolean wasMainUserId = mIsMainUserId.isChecked();
+            parent.removeView(this);
+            if (mEditorListener != null) {
+                mEditorListener.onDeleted(this);
+            }
+            if (wasMainUserId && parent.getChildCount() > 0) {
+                UserIdEditor editor = (UserIdEditor) parent.getChildAt(0);
+                editor.setIsMainUserId(true);
+            }
+        } else if (v == mIsMainUserId) {
+            for (int i = 0; i < parent.getChildCount(); ++i) {
+                UserIdEditor editor = (UserIdEditor) parent.getChildAt(i);
+                if (editor == this) {
+                    editor.setIsMainUserId(true);
+                } else {
+                    editor.setIsMainUserId(false);
+                }
+            }
+        }
+    }
+
+    public void setIsMainUserId(boolean value) {
+        mIsMainUserId.setChecked(value);
+    }
+
+    public boolean isMainUserId() {
+        return mIsMainUserId.isChecked();
+    }
+
+    @Override
+    public void setEditorListener(EditorListener listener) {
+        mEditorListener = listener;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/utils/Choice.java b/src/org/thialfihar/android/apg/utils/Choice.java
index d094c1e1e..4014a1f4a 100644
--- a/src/org/thialfihar/android/apg/utils/Choice.java
+++ b/src/org/thialfihar/android/apg/utils/Choice.java
@@ -1,44 +1,44 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.utils;
-
-public class Choice {
-    private String mName;
-    private int mId;
-
-    public Choice() {
-        mId = -1;
-        mName = "";
-    }
-
-    public Choice(int id, String name) {
-        mId = id;
-        mName = name;
-    }
-
-    public int getId() {
-        return mId;
-    }
-
-    public String getName() {
-        return mName;
-    }
-
-    public String toString() {
-        return mName;
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.utils;
+
+public class Choice {
+    private String mName;
+    private int mId;
+
+    public Choice() {
+        mId = -1;
+        mName = "";
+    }
+
+    public Choice(int id, String name) {
+        mId = id;
+        mName = name;
+    }
+
+    public int getId() {
+        return mId;
+    }
+
+    public String getName() {
+        return mName;
+    }
+
+    public String toString() {
+        return mName;
+    }
+}
diff --git a/src/org/thialfihar/android/apg/utils/IterableIterator.java b/src/org/thialfihar/android/apg/utils/IterableIterator.java
index ff02c4194..1d9664e38 100644
--- a/src/org/thialfihar/android/apg/utils/IterableIterator.java
+++ b/src/org/thialfihar/android/apg/utils/IterableIterator.java
@@ -1,31 +1,31 @@
-/*
- * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.thialfihar.android.apg.utils;
-
-import java.util.Iterator;
-
-public class IterableIterator<T> implements Iterable<T> {
-    private Iterator<T> mIter;
-
-    public IterableIterator(Iterator<T> iter) {
-        mIter = iter;
-    }
-
-    public Iterator<T> iterator() {
-        return mIter;
-    }
-}
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.utils;
+
+import java.util.Iterator;
+
+public class IterableIterator<T> implements Iterable<T> {
+    private Iterator<T> mIter;
+
+    public IterableIterator(Iterator<T> iter) {
+        mIter = iter;
+    }
+
+    public Iterator<T> iterator() {
+        return mIter;
+    }
+}