public void reset() {
        this.index = start;
        length = 0;
        deferred = this;
    }
    public int getIndex() {
        return index;
    }
    public void setIndex(int index) {
        this.index = index;
    }
    public int getCapacity() {
        return buf.length - start;
    }
    public int getTailSpace() {
        return buf.length - index;
    }
    public byte[] getBuffer() {

                int index = userInfo.indexOf(':');
                user = (index != -1) ? userInfo.substring(0, index) : userInfo;
                if (index != -1) password = userInfo.substring(index + 1);
                index = user.indexOf('\\');
                if (index == -1) index = user.indexOf('/');
                domain = (index != -1) ? user.substring(0, index) : domain;

            _dst.enc_ndr_small(this.sub_authority_count);
            int _identifier_authoritys = 6;
            int _identifier_authorityi = _dst.index;
            _dst.advance(1 * _identifier_authoritys);
            int _sub_authorityi = _dst.index;
            _dst.advance(4 * _sub_authoritys);

            _dst = _dst.derive(_identifier_authorityi);

                int index = auth.indexOf(':');
                String user = ( index != -1 ) ? auth.substring(0, index) : auth;
                String password = ( index != -1 ) ? auth.substring(index + 1) : "";
                index = user.indexOf('\\');
                if ( index == -1 )
                    index = user.indexOf('/');

            update(this.macSigningKey, 0, this.macSigningKey.length);
            int index = offset + SmbConstants.SIGNATURE_OFFSET;
            for ( int i = 0; i < 8; i++ )
                data[ index + i ] = 0;
            SMBUtil.writeInt4(this.signSequence, data, index);
            update(data, offset, length);
            System.arraycopy(digest(), 0, data, index, 8);
            if ( this.bypass ) {
                this.bypass = false;

            if (index < size) buffer[index++] = (byte) (block & 0xff);
        }
        return buffer;
    }

        public int sid_type;
        public int rid;
        public int sid_index;

        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_short(sid_type);
            _dst.enc_ndr_long(rid);
            _dst.enc_ndr_long(sid_index);

        }
        public void decode(NdrBuffer _src) throws NdrException {
            _src.align(4);

        public int sid_type;
        public int rid;
        public int sid_index;


        @Override
        public void encode ( NdrBuffer _dst ) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_short(this.sid_type);
            _dst.enc_ndr_long(this.rid);
            _dst.enc_ndr_long(this.sid_index);

        }


        @Override

        nb.index = idx;
        nb.deferred = this.deferred;
        return nb;
    }


    public void reset () {
        this.index = this.start;
        this.length = 0;
        this.deferred = this;
    }


    public int getIndex () {
        return this.index;
    }


    public void setIndex ( int index ) {
        this.index = index;
    }

        try {
            update(macSigningKey, 0, macSigningKey.length);
            int index = offset + ServerMessageBlock.SIGNATURE_OFFSET;
            for (int i = 0; i < 8; i++) data[index + i] = 0;
            ServerMessageBlock.writeInt4(signSequence, data, index);
            update(data, offset, length);
            System.arraycopy(digest(), 0, data, index, 8);
            if (bypass) {
                bypass = false;