return privKey;
}
private static PGPPrivateKey findPrivateKey(InputStream keyringInput, InputStream encryptedInput, String passphrase) throws IOException,
PGPException, NoSuchProviderException {
PGPSecretKeyRingCollection pgpSec = new PGPSecretKeyRingCollection(PGPUtil.getDecoderStream(keyringInput));
PGPObjectFactory factory = new PGPObjectFactory(PGPUtil.getDecoderStream(encryptedInput));
PGPEncryptedDataList enc;
Object o = factory.nextObject();
if (o instanceof PGPEncryptedDataList) {
enc = (PGPEncryptedDataList) o;
} else {
enc = (PGPEncryptedDataList) factory.nextObject();
}
encryptedInput.reset(); // nextObject() method reads from the InputStream, so rewind it!
Iterator<?> encryptedDataObjects = enc.getEncryptedDataObjects();
PGPPrivateKey privateKey = null;
PGPPublicKeyEncryptedData encryptedData;
while (privateKey == null && encryptedDataObjects.hasNext()) {
encryptedData = (PGPPublicKeyEncryptedData) encryptedDataObjects.next();
PGPSecretKey pgpSecKey = pgpSec.getSecretKey(encryptedData.getKeyID());
privateKey = pgpSecKey.extractPrivateKey(passphrase.toCharArray(), "BC");
}
return privateKey;
}