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private keys without master keys and some fixes for things which broke along the way

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This commit is contained in:
Ash Hughes
2013-03-14 03:23:50 +00:00
parent 99122fa8d9
commit 115d34ba0e
3 changed files with 95 additions and 35 deletions
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32
OpenPGP-Keychain/src/org/sufficientlysecure/keychain/helper/PgpHelper.java
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@@ -24,12 +24,16 @@ import java.util.Locale;
import java.util.Vector;
import org.spongycastle.bcpg.sig.KeyFlags;
import org.spongycastle.openpgp.PGPPrivateKey;
import org.spongycastle.openpgp.PGPPublicKey;
import org.spongycastle.openpgp.PGPPublicKeyRing;
import org.spongycastle.openpgp.PGPSecretKey;
import org.spongycastle.openpgp.PGPSecretKeyRing;
import org.spongycastle.openpgp.PGPSignature;
import org.spongycastle.openpgp.PGPSignatureSubpacketVector;
import org.spongycastle.openpgp.operator.PBESecretKeyDecryptor;
import org.spongycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
import org.spongycastle.openpgp.PGPException;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.util.IterableIterator;
@@ -76,6 +80,22 @@ public class PgpHelper {
return null;
}
@SuppressWarnings("unchecked")
public static PGPSecretKey getKeyNum(PGPSecretKeyRing keyRing, long num) {
long cnt = 0;
if (keyRing == null) {
return null;
}
for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(keyRing.getSecretKeys())) {
if (cnt == num) {
return key;
}
cnt++;
}
return null;
}
@SuppressWarnings("unchecked")
public static Vector<PGPPublicKey> getEncryptKeys(PGPPublicKeyRing keyRing) {
Vector<PGPPublicKey> encryptKeys = new Vector<PGPPublicKey>();
@@ -144,7 +164,17 @@ public class PgpHelper {
for (int i = 0; i < signingKeys.size(); ++i) {
PGPSecretKey key = signingKeys.get(i);
if (key.isMasterKey()) {
masterKey = key;
try {
PBESecretKeyDecryptor keyDecryptor = new JcePBESecretKeyDecryptorBuilder()
.setProvider(PgpMain.BOUNCY_CASTLE_PROVIDER_NAME).build(new char[] {});
PGPPrivateKey testKey = key.extractPrivateKey(
keyDecryptor);
if (testKey != null) {
masterKey = key;
}
} catch (PGPException e) {
// all good if this fails, we likely didn't use the right password
}
} else {
usableKeys.add(key);
}