while (keyRingIterator.hasNext()) {
            PGPSecretKeyRing keyRing = keyRingIterator.next();
            Iterator<PGPSecretKey> secretKeyIterator = uncheckedCast(keyRing.getSecretKeys());
            while (secretKeyIterator.hasNext()) {
                PGPSecretKey secretKey = secretKeyIterator.next();
                if (hasId(keyId, secretKey)) {
                    return secretKey;