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perform fingerprint check after canonicalization (OKC-01-009)

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This commit is contained in:
Vincent Breitmoser
2015-09-11 01:57:17 +02:00
parent 950409ce55
commit 9d97d37c06
6 changed files with 30 additions and 29 deletions
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13
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ImportOperation.java
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@@ -254,17 +254,6 @@ public class ImportOperation extends BaseOperation<ImportKeyringParcel> {
continue;
}
// If we have an expected fingerprint, make sure it matches
if (entry.mExpectedFingerprint != null) {
if (!key.containsSubkey(entry.mExpectedFingerprint)) {
log.add(LogType.MSG_IMPORT_FINGERPRINT_ERROR, 2);
badKeys += 1;
continue;
} else {
log.add(LogType.MSG_IMPORT_FINGERPRINT_OK, 2);
}
}
// Another check if we have been cancelled
if (checkCancelled()) {
cancelled = true;
@@ -283,7 +272,7 @@ public class ImportOperation extends BaseOperation<ImportKeyringParcel> {
} else {
result = mProviderHelper.savePublicKeyRing(key,
new ProgressScaler(progressable, (int) (position * progSteps),
(int) ((position + 1) * progSteps), 100));
(int) ((position + 1) * progSteps), 100), entry.mExpectedFingerprint);
}
}
if (!result.success()) {

4
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
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@@ -289,6 +289,8 @@ public abstract class OperationResult implements Parcelable {
MSG_IP_ERROR_IO_EXC (LogLevel.ERROR, R.string.msg_ip_error_io_exc),
MSG_IP_ERROR_OP_EXC (LogLevel.ERROR, R.string.msg_ip_error_op_exc),
MSG_IP_ERROR_REMOTE_EX (LogLevel.ERROR, R.string.msg_ip_error_remote_ex),
MSG_IP_FINGERPRINT_ERROR (LogLevel.ERROR, R.string.msg_ip_fingerprint_error),
MSG_IP_FINGERPRINT_OK (LogLevel.INFO, R.string.msg_ip_fingerprint_ok),
MSG_IP_INSERT_KEYRING (LogLevel.DEBUG, R.string.msg_ip_insert_keyring),
MSG_IP_INSERT_SUBKEYS (LogLevel.DEBUG, R.string.msg_ip_insert_keys),
MSG_IP_PREPARE (LogLevel.DEBUG, R.string.msg_ip_prepare),
@@ -712,8 +714,6 @@ public abstract class OperationResult implements Parcelable {
MSG_IMPORT_KEYSERVER (LogLevel.DEBUG, R.string.msg_import_keyserver),
MSG_IMPORT_MERGE (LogLevel.DEBUG, R.string.msg_import_merge),
MSG_IMPORT_MERGE_ERROR (LogLevel.ERROR, R.string.msg_import_merge_error),
MSG_IMPORT_FINGERPRINT_ERROR (LogLevel.ERROR, R.string.msg_import_fingerprint_error),
MSG_IMPORT_FINGERPRINT_OK (LogLevel.DEBUG, R.string.msg_import_fingerprint_ok),
MSG_IMPORT_ERROR (LogLevel.ERROR, R.string.msg_import_error),
MSG_IMPORT_ERROR_IO (LogLevel.ERROR, R.string.msg_import_error_io),
MSG_IMPORT_PARTIAL (LogLevel.ERROR, R.string.msg_import_partial),

12
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedKeyRing.java
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@@ -21,6 +21,7 @@ package org.sufficientlysecure.keychain.pgp;
import org.spongycastle.openpgp.PGPKeyRing;
import org.spongycastle.openpgp.PGPPublicKey;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.util.IterableIterator;
import java.io.IOException;
@@ -28,6 +29,7 @@ import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
@@ -152,4 +154,14 @@ public abstract class CanonicalizedKeyRing extends KeyRing {
return getRing().getEncoded();
}
public boolean containsSubkey(String expectedFingerprint) {
for (CanonicalizedPublicKey key : publicKeyIterator()) {
if (KeyFormattingUtils.convertFingerprintToHex(
key.getFingerprint()).equalsIgnoreCase(expectedFingerprint)) {
return true;
}
}
return false;
}
}

11
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
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@@ -216,17 +216,6 @@ public class UncachedKeyRing implements Serializable {
}
public boolean containsSubkey(String expectedFingerprint) {
Iterator<PGPPublicKey> it = mRing.getPublicKeys();
while (it.hasNext()) {
if (KeyFormattingUtils.convertFingerprintToHex(
it.next().getFingerprint()).equalsIgnoreCase(expectedFingerprint)) {
return true;
}
}
return false;
}
public interface IteratorWithIOThrow<E> {
public boolean hasNext() throws IOException;
public E next() throws IOException;

15
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
View File

@@ -878,7 +878,7 @@ public class ProviderHelper {
}
public SaveKeyringResult savePublicKeyRing(UncachedKeyRing keyRing) {
return savePublicKeyRing(keyRing, new ProgressScaler());
return savePublicKeyRing(keyRing, new ProgressScaler(), null);
}
/**
@@ -887,7 +887,7 @@ public class ProviderHelper {
* This is a high level method, which takes care of merging all new information into the old and
* keep public and secret keyrings in sync.
*/
public SaveKeyringResult savePublicKeyRing(UncachedKeyRing publicRing, Progressable progress) {
public SaveKeyringResult savePublicKeyRing(UncachedKeyRing publicRing, Progressable progress, String expectedFingerprint) {
try {
long masterKeyId = publicRing.getMasterKeyId();
@@ -960,6 +960,17 @@ public class ProviderHelper {
canSecretRing = null;
}
// If we have an expected fingerprint, make sure it matches
if (expectedFingerprint != null) {
if (!canPublicRing.containsSubkey(expectedFingerprint)) {
log(LogType.MSG_IP_FINGERPRINT_ERROR);
return new SaveKeyringResult(SaveKeyringResult.RESULT_ERROR, mLog, null);
} else {
log(LogType.MSG_IP_FINGERPRINT_OK);
}
}
int result = saveCanonicalizedPublicKeyRing(canPublicRing, progress, canSecretRing != null);
// Save the saved keyring (if any)