@Override
    protected void engineInit(int opmode, Key key, SecureRandom random) throws InvalidKeyException {
        try {
            engineInitInternal(opmode, key, null);
        } catch (InvalidAlgorithmParameterException e) {
            throw new InvalidKeyException("Algorithm parameters rejected when none supplied", e);
        }
    }
Returns {@code true} if the cipher has been initialized.
common/src/main/java/org/conscrypt/OpenSSLCipherRSA.java