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Code Issues Releases Wiki Activity

modifyKey: preserve master key flags

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This commit is contained in:
Vincent Breitmoser 2014-07-11 02:49:51 +02:00
parent dce2df4113
commit 38ee6203ad
1 changed files with 22 additions and 5 deletions
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27
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
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@ -200,7 +200,7 @@ public class PgpKeyOperation {
PGPSecretKeyRing sKR = new PGPSecretKeyRing(
masterSecretKey.getEncoded(), new JcaKeyFingerprintCalculator());
return internal(sKR, masterSecretKey, saveParcel, "", log, indent);
return internal(sKR, masterSecretKey, add.mFlags, saveParcel, "", log, indent);
} catch (PGPException e) {
Log.e(Constants.TAG, "pgp error encoding key", e);
@ -262,11 +262,16 @@ public class PgpKeyOperation {
return null;
}
return internal(sKR, masterSecretKey, saveParcel, passphrase, log, indent);
// read masterKeyFlags, and use the same as before.
// since this is the master key, this contains at least CERTIFY_OTHER
int masterKeyFlags = readMasterKeyFlags(masterSecretKey.getPublicKey());
return internal(sKR, masterSecretKey, masterKeyFlags, saveParcel, passphrase, log, indent);
}
private UncachedKeyRing internal(PGPSecretKeyRing sKR, PGPSecretKey masterSecretKey,
int masterKeyFlags,
SaveKeyringParcel saveParcel, String passphrase,
OperationLog log, int indent) {
@ -323,8 +328,8 @@ public class PgpKeyOperation {
&& userId.equals(saveParcel.changePrimaryUserId);
// generate and add new certificate
PGPSignature cert = generateUserIdSignature(masterPrivateKey,
masterPublicKey, userId, isPrimary);
modifiedPublicKey = PGPPublicKey.addCertification(masterPublicKey, userId, cert);
masterPublicKey, userId, isPrimary, masterKeyFlags);
modifiedPublicKey = PGPPublicKey.addCertification(modifiedPublicKey, userId, cert);
}
// 2b. Add revocations for revoked user ids
@ -551,7 +556,7 @@ public class PgpKeyOperation {
}
private static PGPSignature generateUserIdSignature(
PGPPrivateKey masterPrivateKey, PGPPublicKey pKey, String userId, boolean primary)
PGPPrivateKey masterPrivateKey, PGPPublicKey pKey, String userId, boolean primary, int flags)
throws IOException, PGPException, SignatureException {
PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder(
pKey.getAlgorithm(), PGPUtil.SHA1)
@ -563,6 +568,7 @@ public class PgpKeyOperation {
subHashedPacketsGen.setPreferredHashAlgorithms(true, PREFERRED_HASH_ALGORITHMS);
subHashedPacketsGen.setPreferredCompressionAlgorithms(true, PREFERRED_COMPRESSION_ALGORITHMS);
subHashedPacketsGen.setPrimaryUserID(false, primary);
subHashedPacketsGen.setKeyFlags(false, flags);
sGen.setHashedSubpackets(subHashedPacketsGen.generate());
sGen.init(PGPSignature.POSITIVE_CERTIFICATION, masterPrivateKey);
return sGen.generateCertification(userId, pKey);
@ -670,4 +676,15 @@ public class PgpKeyOperation {
}
private static int readMasterKeyFlags(PGPPublicKey masterKey) {
int flags = KeyFlags.CERTIFY_OTHER;
for(PGPSignature sig : new IterableIterator<PGPSignature>(masterKey.getSignatures())) {
if (!sig.hasSubpackets()) {
continue;
}
flags |= sig.getHashedSubPackets().getKeyFlags();
}
return flags;
}
}