From 4d1d3f6f5ea2eca224965ed3a2f1de5c551453fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= <dominik@dominikschuermann.de>
Date: Sun, 8 Sep 2013 17:04:33 +0200
Subject: [PATCH] Select pub key when email could not be found

---
 .../res/layout/crypto_provider_demo.xml       | 96 ++++++++++---------
 .../demo/CryptoProviderDemoActivity.java      | 10 +-
 .../api_app_select_pub_keys_activity.xml      | 22 +++++
 OpenPGP-Keychain/res/values/strings.xml       |  9 +-
 .../keychain/helper/PgpMain.java              |  8 +-
 .../keychain/remote_api/CryptoService.java    | 26 +++--
 .../remote_api/CryptoServiceActivity.java     | 60 +++++++++---
 .../service/KeychainIntentService.java        | 17 +---
 8 files changed, 159 insertions(+), 89 deletions(-)
 create mode 100644 OpenPGP-Keychain/res/layout/api_app_select_pub_keys_activity.xml

diff --git a/OpenPGP-Keychain-API-Demo/res/layout/crypto_provider_demo.xml b/OpenPGP-Keychain-API-Demo/res/layout/crypto_provider_demo.xml
index af1e345d6..47a8b6520 100644
--- a/OpenPGP-Keychain-API-Demo/res/layout/crypto_provider_demo.xml
+++ b/OpenPGP-Keychain-API-Demo/res/layout/crypto_provider_demo.xml
@@ -1,56 +1,59 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content" >
+    android:layout_height="match_parent"
+    android:orientation="vertical" >
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Encrypt UserIds (split with &apos;,&apos;)"
+        android:textAppearance="?android:attr/textAppearanceMedium" />
+
+    <EditText
+        android:id="@+id/crypto_provider_demo_encrypt_user_id"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="dominik@dominikschuermann.de"
+        android:textAppearance="@android:style/TextAppearance.Small" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Message"
+        android:textAppearance="?android:attr/textAppearanceMedium" />
+
+    <EditText
+        android:id="@+id/crypto_provider_demo_message"
+        android:layout_width="match_parent"
+        android:layout_height="150dip"
+        android:scrollHorizontally="true"
+        android:scrollbars="vertical"
+        android:text="message"
+        android:textAppearance="@android:style/TextAppearance.Small" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Ciphertext"
+        android:textAppearance="?android:attr/textAppearanceMedium" />
+
+    <EditText
+        android:id="@+id/crypto_provider_demo_ciphertext"
+        android:layout_width="match_parent"
+        android:layout_height="150dip"
+        android:text="ciphertext"
+        android:textAppearance="@android:style/TextAppearance.Small" />
 
     <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="vertical" >
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Encrypt User Id"
-            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-        <EditText
-            android:id="@+id/crypto_provider_demo_encrypt_user_id"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="dominik@dominikschuermann.de"
-            android:textAppearance="@android:style/TextAppearance.Small" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Message"
-            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-        <EditText
-            android:id="@+id/crypto_provider_demo_message"
-            android:layout_width="match_parent"
-            android:layout_height="150dip"
-            android:text="message"
-            android:textAppearance="@android:style/TextAppearance.Small" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Ciphertext"
-            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-        <EditText
-            android:id="@+id/crypto_provider_demo_ciphertext"
-            android:layout_width="match_parent"
-            android:layout_height="150dip"
-            android:text="ciphertext"
-            android:textAppearance="@android:style/TextAppearance.Small" />
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" >
 
         <Button
             android:id="@+id/crypto_provider_demo_encrypt"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_weight="1"
             android:onClick="encryptOnClick"
             android:text="Encrypt" />
 
@@ -58,6 +61,7 @@
             android:id="@+id/crypto_provider_demo_sign"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_weight="1"
             android:onClick="signOnClick"
             android:text="Sign" />
 
@@ -65,6 +69,7 @@
             android:id="@+id/crypto_provider_demo_encrypt_and_sign"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_weight="1"
             android:onClick="encryptAndSignOnClick"
             android:text="Encrypt and Sign" />
 
@@ -72,8 +77,9 @@
             android:id="@+id/crypto_provider_demo_decrypt"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_weight="1"
             android:onClick="decryptOnClick"
             android:text="Decrypt" />
     </LinearLayout>
 
-</ScrollView>
\ No newline at end of file
+</LinearLayout>
\ No newline at end of file
diff --git a/OpenPGP-Keychain-API-Demo/src/org/sufficientlysecure/keychain/demo/CryptoProviderDemoActivity.java b/OpenPGP-Keychain-API-Demo/src/org/sufficientlysecure/keychain/demo/CryptoProviderDemoActivity.java
index ca8824815..cbd829578 100644
--- a/OpenPGP-Keychain-API-Demo/src/org/sufficientlysecure/keychain/demo/CryptoProviderDemoActivity.java
+++ b/OpenPGP-Keychain-API-Demo/src/org/sufficientlysecure/keychain/demo/CryptoProviderDemoActivity.java
@@ -35,12 +35,14 @@ import android.content.pm.ResolveInfo;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.RemoteException;
+import android.text.method.ScrollingMovementMethod;
 import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.EditText;
 import android.widget.ListAdapter;
+import android.widget.Scroller;
 import android.widget.TextView;
 
 public class CryptoProviderDemoActivity extends Activity {
@@ -48,7 +50,7 @@ public class CryptoProviderDemoActivity extends Activity {
 
     EditText mMessage;
     EditText mCiphertext;
-    EditText mEncryptUserId;
+    EditText mEncryptUserIds;
 
     private CryptoServiceConnection mCryptoServiceConnection;
 
@@ -61,7 +63,7 @@ public class CryptoProviderDemoActivity extends Activity {
 
         mMessage = (EditText) findViewById(R.id.crypto_provider_demo_message);
         mCiphertext = (EditText) findViewById(R.id.crypto_provider_demo_ciphertext);
-        mEncryptUserId = (EditText) findViewById(R.id.crypto_provider_demo_encrypt_user_id);
+        mEncryptUserIds = (EditText) findViewById(R.id.crypto_provider_demo_encrypt_user_id);
 
         selectCryptoProvider();
     }
@@ -125,7 +127,7 @@ public class CryptoProviderDemoActivity extends Activity {
 
         try {
             mCryptoServiceConnection.getService().encrypt(inputBytes,
-                    new String[] { mEncryptUserId.getText().toString() }, encryptCallback);
+                    mEncryptUserIds.getText().toString().split(","), encryptCallback);
         } catch (RemoteException e) {
             Log.e(Constants.TAG, "CryptoProviderDemo", e);
         }
@@ -146,7 +148,7 @@ public class CryptoProviderDemoActivity extends Activity {
 
         try {
             mCryptoServiceConnection.getService().encryptAndSign(inputBytes,
-                    new String[] { mEncryptUserId.getText().toString() }, encryptCallback);
+                    mEncryptUserIds.getText().toString().split(","), encryptCallback);
         } catch (RemoteException e) {
             Log.e(Constants.TAG, "CryptoProviderDemo", e);
         }
diff --git a/OpenPGP-Keychain/res/layout/api_app_select_pub_keys_activity.xml b/OpenPGP-Keychain/res/layout/api_app_select_pub_keys_activity.xml
new file mode 100644
index 000000000..fe9332a92
--- /dev/null
+++ b/OpenPGP-Keychain/res/layout/api_app_select_pub_keys_activity.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:orientation="vertical" >
+
+    <TextView
+        android:id="@+id/api_select_pub_keys_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="8dp"
+        android:paddingBottom="3dip"
+        android:text="@string/api_select_pub_keys_text"
+        android:textAppearance="?android:attr/textAppearanceLarge" />
+
+    <FrameLayout
+        android:id="@+id/api_select_pub_keys_fragment_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/OpenPGP-Keychain/res/values/strings.xml b/OpenPGP-Keychain/res/values/strings.xml
index 70f4993d7..526901835 100644
--- a/OpenPGP-Keychain/res/values/strings.xml
+++ b/OpenPGP-Keychain/res/values/strings.xml
@@ -329,12 +329,12 @@
     <string name="key_size_1024">1024</string>
     <string name="key_size_2048">2048</string>
     <string name="key_size_4096">4096</string>
-    
+
     <!-- misc -->
     <string name="fast">fast</string>
     <string name="slow">slow</string>
     <string name="very_slow">very slow</string>
-	
+
     <!-- APG 2.0 -->
 
 
@@ -377,5 +377,6 @@
     <string name="api_register_allow">Allow access</string>
     <string name="api_register_disallow">Disallow access</string>
     <string name="api_register_error_select_key">Please select a key!</string>
-    
-</resources>
+    <string name="api_select_pub_keys_text">You have selected recipients (e.g. by selecting email addresses), which public keys could not be found. Please verify your selection!</string>
+
+</resources>
\ No newline at end of file
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/helper/PgpMain.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/helper/PgpMain.java
index e1bd415be..76fc880a0 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/helper/PgpMain.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/helper/PgpMain.java
@@ -735,14 +735,14 @@ public class PgpMain {
      */
     public static void encryptAndSign(Context context, ProgressDialogUpdater progress,
             InputData data, OutputStream outStream, boolean useAsciiArmor, int compression,
-            ArrayList<Long> encryptionKeyIds, String encryptionPassphrase,
+            long[] encryptionKeyIds, String encryptionPassphrase,
             int symmetricEncryptionAlgorithm, long signatureKeyId, int signatureHashAlgorithm,
             boolean signatureForceV3, String signaturePassphrase) throws IOException,
             PgpGeneralException, PGPException, NoSuchProviderException, NoSuchAlgorithmException,
             SignatureException {
 
         if (encryptionKeyIds == null) {
-            encryptionKeyIds = new ArrayList<Long>();
+            encryptionKeyIds = new long[0];
         }
 
         ArmoredOutputStream armorOut = null;
@@ -759,7 +759,7 @@ public class PgpMain {
         PGPSecretKeyRing signingKeyRing = null;
         PGPPrivateKey signaturePrivateKey = null;
 
-        if (encryptionKeyIds.size() == 0 && encryptionPassphrase == null) {
+        if (encryptionKeyIds.length == 0 && encryptionPassphrase == null) {
             throw new PgpGeneralException(
                     context.getString(R.string.error_noEncryptionKeysOrPassPhrase));
         }
@@ -795,7 +795,7 @@ public class PgpMain {
 
         PGPEncryptedDataGenerator cPk = new PGPEncryptedDataGenerator(encryptorBuilder);
 
-        if (encryptionKeyIds.size() == 0) {
+        if (encryptionKeyIds.length == 0) {
             // Symmetric encryption
             Log.d(Constants.TAG, "encryptionKeyIds length is 0 -> symmetric encryption");
 
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/remote_api/CryptoService.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/remote_api/CryptoService.java
index 962412055..cec52e47e 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/remote_api/CryptoService.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/remote_api/CryptoService.java
@@ -112,7 +112,7 @@ public class CryptoService extends Service {
      * @param encryptionUserIds
      * @return
      */
-    private ArrayList<Long> getKeyIdsFromEmails(String[] encryptionUserIds) {
+    private long[] getKeyIdsFromEmails(String[] encryptionUserIds, long ownKeyId) {
         // find key ids to given emails in database
         boolean manySameUserIds = false;
         boolean missingUserIds = false;
@@ -133,9 +133,22 @@ public class CryptoService extends Service {
             }
         }
 
-        // TODO: show selection activity on missingUserIds or manySameUserIds
+        // also encrypt to our self (so that we can decrypt it later!)
+        keyIds.add(ownKeyId);
 
-        return keyIds;
+        // convert o long[]
+        long[] keyIdsArray = new long[keyIds.size()];
+        for (int i = 0; i < keyIdsArray.length; i++) {
+            keyIdsArray[i] = keyIds.get(i);
+        }
+
+        if (missingUserIds || manySameUserIds) {
+            Bundle extras = new Bundle();
+            extras.putLongArray(CryptoServiceActivity.EXTRA_SELECTED_MASTER_KEY_IDS, keyIdsArray);
+            pauseQueueAndStartServiceActivity(CryptoServiceActivity.ACTION_SELECT_PUB_KEYS, extras);
+        }
+
+        return keyIdsArray;
     }
 
     private synchronized void encryptAndSignSafe(byte[] inputBytes, String[] encryptionUserIds,
@@ -154,10 +167,7 @@ public class CryptoService extends Service {
 
             OutputStream outputStream = new ByteArrayOutputStream();
 
-            ArrayList<Long> keyIds = getKeyIdsFromEmails(encryptionUserIds);
-
-            // also encrypt to our self (so that we can decrypt it later!)
-            keyIds.add(appSettings.getKeyId());
+            long[] keyIds = getKeyIdsFromEmails(encryptionUserIds, appSettings.getKeyId());
 
             if (sign) {
                 PgpMain.encryptAndSign(mContext, null, inputData, outputStream,
@@ -384,7 +394,7 @@ public class CryptoService extends Service {
         @Override
         public void onSelectedPublicKeys(long[] keyIds) throws RemoteException {
             // TODO Auto-generated method stub
-            
+
         }
 
     };
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/remote_api/CryptoServiceActivity.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/remote_api/CryptoServiceActivity.java
index 63e3a5290..43f825dc0 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/remote_api/CryptoServiceActivity.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/remote_api/CryptoServiceActivity.java
@@ -21,9 +21,9 @@ import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.Id;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.helper.ActionBarHelper;
-import org.sufficientlysecure.keychain.helper.OtherHelper;
 import org.sufficientlysecure.keychain.helper.PgpMain;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.ui.SelectPublicKeyFragment;
 import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
 import org.sufficientlysecure.keychain.util.Log;
 
@@ -37,13 +37,9 @@ import android.os.IBinder;
 import android.os.Message;
 import android.os.Messenger;
 import android.os.RemoteException;
-import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.ActionBar;
 import com.actionbarsherlock.app.SherlockFragmentActivity;
 
 public class CryptoServiceActivity extends SherlockFragmentActivity {
@@ -56,12 +52,15 @@ public class CryptoServiceActivity extends SherlockFragmentActivity {
 
     public static final String EXTRA_SECRET_KEY_ID = "secretKeyId";
     public static final String EXTRA_PACKAGE_NAME = "packageName";
+    public static final String EXTRA_SELECTED_MASTER_KEY_IDS = "masterKeyIds";
 
     private IServiceActivityCallback mServiceCallback;
     private boolean mServiceBound;
 
     // register view
-    AppSettingsFragment settingsFragment;
+    AppSettingsFragment mSettingsFragment;
+    // select pub key view
+    SelectPublicKeyFragment mSelectFragment;
 
     private ServiceConnection mServiceActivityConnection = new ServiceConnection() {
         public void onServiceConnected(ComponentName name, IBinder service) {
@@ -116,7 +115,7 @@ public class CryptoServiceActivity extends SherlockFragmentActivity {
         // bind to our own crypto service
         bindToService();
 
-        handleActions(getIntent());
+        handleActions(getIntent(), savedInstanceState);
     }
 
     @Override
@@ -129,7 +128,7 @@ public class CryptoServiceActivity extends SherlockFragmentActivity {
         }
     }
 
-    protected void handleActions(Intent intent) {
+    protected void handleActions(Intent intent, Bundle savedInstanceState) {
         String action = intent.getAction();
         Bundle extras = intent.getExtras();
 
@@ -151,13 +150,13 @@ public class CryptoServiceActivity extends SherlockFragmentActivity {
                             // Allow
 
                             // user needs to select a key!
-                            if (settingsFragment.getAppSettings().getKeyId() == Id.key.none) {
+                            if (mSettingsFragment.getAppSettings().getKeyId() == Id.key.none) {
                                 Toast.makeText(CryptoServiceActivity.this,
                                         R.string.api_register_error_select_key, Toast.LENGTH_LONG)
                                         .show();
                             } else {
                                 ProviderHelper.insertApiApp(CryptoServiceActivity.this,
-                                        settingsFragment.getAppSettings());
+                                        mSettingsFragment.getAppSettings());
 
                                 try {
                                     mServiceCallback.onRegistered(true, packageName);
@@ -183,11 +182,11 @@ public class CryptoServiceActivity extends SherlockFragmentActivity {
 
             setContentView(R.layout.api_app_register_activity);
 
-            settingsFragment = (AppSettingsFragment) getSupportFragmentManager().findFragmentById(
+            mSettingsFragment = (AppSettingsFragment) getSupportFragmentManager().findFragmentById(
                     R.id.api_app_settings_fragment);
 
             AppSettings settings = new AppSettings(packageName);
-            settingsFragment.setAppSettings(settings);
+            mSettingsFragment.setAppSettings(settings);
 
             // TODO: handle if app is already registered
             // LinearLayout layoutRegister = (LinearLayout)
@@ -211,6 +210,7 @@ public class CryptoServiceActivity extends SherlockFragmentActivity {
 
             showPassphraseDialog(secretKeyId);
         } else if (ACTION_SELECT_PUB_KEYS.equals(action)) {
+            long[] selectedMasterKeyIds = intent.getLongArrayExtra(EXTRA_SELECTED_MASTER_KEY_IDS);
 
             // Inflate a "Done"/"Cancel" custom action bar view
             ActionBarHelper.setDoneCancelView(getSupportActionBar(), R.string.btn_okay,
@@ -219,15 +219,51 @@ public class CryptoServiceActivity extends SherlockFragmentActivity {
                         public void onClick(View v) {
                             // ok
 
+                            try {
+                                mServiceCallback.onSelectedPublicKeys(mSelectFragment
+                                        .getSelectedMasterKeyIds());
+                            } catch (RemoteException e) {
+                                Log.e(Constants.TAG, "ServiceActivity");
+                            }
+                            finish();
                         }
                     }, R.string.btn_doNotSave, new View.OnClickListener() {
                         @Override
                         public void onClick(View v) {
                             // cancel
 
+                            // TODO: currently does the same as OK...
+                            try {
+                                mServiceCallback.onSelectedPublicKeys(mSelectFragment
+                                        .getSelectedMasterKeyIds());
+                            } catch (RemoteException e) {
+                                Log.e(Constants.TAG, "ServiceActivity");
+                            }
+                            finish();
                         }
                     });
 
+            setContentView(R.layout.api_app_select_pub_keys_activity);
+
+            // Check that the activity is using the layout version with
+            // the fragment_container FrameLayout
+            if (findViewById(R.id.api_select_pub_keys_fragment_container) != null) {
+
+                // However, if we're being restored from a previous state,
+                // then we don't need to do anything and should return or else
+                // we could end up with overlapping fragments.
+                if (savedInstanceState != null) {
+                    return;
+                }
+
+                // Create an instance of the fragment
+                mSelectFragment = SelectPublicKeyFragment.newInstance(selectedMasterKeyIds);
+
+                // Add the fragment to the 'fragment_container' FrameLayout
+                getSupportFragmentManager().beginTransaction()
+                        .add(R.id.api_select_pub_keys_fragment_container, mSelectFragment).commit();
+            }
+
         } else {
             Log.e(Constants.TAG, "Wrong action!");
             finish();
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/service/KeychainIntentService.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/service/KeychainIntentService.java
index 1ffb390c0..9e7f811f8 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/service/KeychainIntentService.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/service/KeychainIntentService.java
@@ -27,28 +27,26 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
 
 import org.spongycastle.openpgp.PGPPublicKeyRing;
 import org.spongycastle.openpgp.PGPSecretKey;
 import org.spongycastle.openpgp.PGPSecretKeyRing;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.Id;
+import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.helper.FileHelper;
 import org.sufficientlysecure.keychain.helper.OtherHelper;
 import org.sufficientlysecure.keychain.helper.PgpConversionHelper;
 import org.sufficientlysecure.keychain.helper.PgpMain;
-import org.sufficientlysecure.keychain.helper.Preferences;
 import org.sufficientlysecure.keychain.helper.PgpMain.PgpGeneralException;
-import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.helper.Preferences;
 import org.sufficientlysecure.keychain.provider.KeychainContract.DataStream;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.util.HkpKeyServer;
 import org.sufficientlysecure.keychain.util.InputData;
+import org.sufficientlysecure.keychain.util.KeyServer.KeyInfo;
 import org.sufficientlysecure.keychain.util.Log;
 import org.sufficientlysecure.keychain.util.ProgressDialogUpdater;
-import org.sufficientlysecure.keychain.util.KeyServer.KeyInfo;
-import org.sufficientlysecure.keychain.R;
 
 import android.app.IntentService;
 import android.content.Context;
@@ -316,11 +314,6 @@ public class KeychainIntentService extends IntentService implements ProgressDial
                 }
 
                 /* Operation */
-                // convert to arraylist
-                ArrayList<Long> keyIdsList = new ArrayList<Long>(encryptionKeyIds.length);
-                for (long n : encryptionKeyIds)
-                    keyIdsList.add(n);
-
                 if (generateSignature) {
                     Log.d(Constants.TAG, "generating signature...");
                     PgpMain.generateSignature(this, this, inputData, outStream, useAsciiArmor,
@@ -337,7 +330,7 @@ public class KeychainIntentService extends IntentService implements ProgressDial
                 } else {
                     Log.d(Constants.TAG, "encrypt...");
                     PgpMain.encryptAndSign(this, this, inputData, outStream, useAsciiArmor,
-                            compressionId, keyIdsList, encryptionPassphrase, Preferences
+                            compressionId, encryptionKeyIds, encryptionPassphrase, Preferences
                                     .getPreferences(this).getDefaultEncryptionAlgorithm(),
                             secretKeyId,
                             Preferences.getPreferences(this).getDefaultHashAlgorithm(), Preferences