@Override
public Passphrase getCachedPassphrase(long masterKeyId, long subKeyId)
throws NoSecretKeyException {
try {
return PassphraseCacheService.getCachedPassphrase(mContext, masterKeyId, subKeyId);
} catch (PassphraseCacheService.KeyNotFoundException e) {
throw new PassphraseCacheInterface.NoSecretKeyException();
}
}
/** handles the UI bits of the signing process on the UI thread */
private void initiateSigning() {
PGPPublicKeyRing pubring = ProviderHelper.getPGPPublicKeyRingByMasterKeyId(this, mPubKeyId);
if (pubring != null) {
// if we have already signed this key, dont bother doing it again
boolean alreadySigned = false;
@SuppressWarnings("unchecked")
Iterator<PGPSignature> itr = pubring.getPublicKey(mPubKeyId).getSignatures();
while (itr.hasNext()) {
PGPSignature sig = itr.next();
if (sig.getKeyID() == mMasterKeyId) {
alreadySigned = true;
break;
}
}
if (!alreadySigned) {
/*
* get the user's passphrase for this key (if required)
*/
String passphrase = PassphraseCacheService.getCachedPassphrase(this, mMasterKeyId);
if (passphrase == null) {
showPassphraseDialog(mMasterKeyId);
// bail out; need to wait until the user has entered the passphrase before trying again
return;
} else {
startSigning();
}
} else {
Toast.makeText(this, R.string.key_has_already_been_signed, Toast.LENGTH_SHORT).show();
setResult(RESULT_CANCELED);
finish();
}
}
}