* 
     * ClientGuid, ... are derived from this value.
     * 
     * Normally this should be randomly assigned for each client instance/configuration.
     * 
     * @return machine identifier (32 byte)
     */
    byte[] getMachineId ();


    /**
     * 
     * 
     * Property <tt>jcifs.smb.client.disableSpnegoIntegrity</tt> (boolean, false)
     * 

                (( src[srcIndex + 3] & 0xFF ) << 24 );
    }
    static long readInt8( byte[] src, int srcIndex ) {
        return (readInt4( src, srcIndex ) & 0xFFFFFFFFL) +
            ((long)(readInt4( src, srcIndex + 4 )) << 32);
    }
    static void writeInt8( long val, byte[] dst, int dstIndex ) {
        dst[dstIndex] = (byte)(val);
        dst[++dstIndex] = (byte)(val >>= 8);
        dst[++dstIndex] = (byte)(val >>= 8);

            return null;
        }

        if ( log.isTraceEnabled() ) {
            log.trace("New data read: " + this);
            log.trace(Hexdump.toHexString(this.sbuf, 4, 32));
        }

        for ( ;; ) {
            /*
             * 01234567
             * 00SSFSMB
             * 0 - 0's
             * S - size of payload
             * FSMB - 0xFF SMB magic #