*/
    public static byte[] getLMv2Response ( byte[] responseKeyLM, byte[] serverChallenge, byte[] clientChallenge ) {
        return NtlmUtil.computeResponse(responseKeyLM, serverChallenge, clientChallenge, 0, clientChallenge.length);
    }


    static byte[] computeResponse ( byte[] responseKey, byte[] serverChallenge, byte[] clientData, int offset, int length ) {
        MessageDigest hmac = Crypto.getHMACT64(responseKey);