*/
    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);

            return hmac.digest();
        } catch (UnsupportedEncodingException uee) {
            throw new RuntimeException(uee.getMessage());
        }
    }
    static byte[] computeResponse(byte[] responseKey,
                byte[] serverChallenge,
                byte[] clientData,
                int offset,
                int length)
    {
        HMACT64 hmac = new HMACT64(responseKey);