setChallenge(challengeBytes);
        }
        pos += 8;

        if ( targetNameOff < pos + 8 || input.length < pos + 8 ) {
            // no room for Context/Reserved
            return;
        }

        if ( !allZeros8(input, pos) ) {
            byte[] contextBytes = new byte[8];

        String charset;
        if ( lmResponseOffset < pos + 12 || ntResponseOffset < pos + 12 || domainOffset < pos + 12 || userOffset < pos + 12
                || workstationOffset < pos + 12 ) {
            // no room for SK/Flags
            flags = NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_OEM;
            setFlags(flags);
            charset = getOEMEncoding();
            end = true;
        }
        else {