* @param responseKeyNT
     * @param serverChallenge
     * @param clientChallenge
     * @param nanos1601
     * @param avPairs
     * @return the calculated response
     */
    public static byte[] getNTLMv2Response ( byte[] responseKeyNT, byte[] serverChallenge, byte[] clientChallenge, long nanos1601, byte[] avPairs ) {
        int avPairsLength = avPairs != null ? avPairs.length : 0;
        byte[] temp = new byte[28 + avPairsLength + 4];