// these are common between SYNC/ASYNC
        SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        SMBUtil.readInt2(buffer, bufferIndex);
        this.creditCharge = SMBUtil.readInt2(buffer, bufferIndex + 2);
        bufferIndex += 4;
        this.status = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.command = SMBUtil.readInt2(buffer, bufferIndex);

        command = buffer[bufferIndex + CMD_OFFSET];
        errorCode = readInt4( buffer, bufferIndex + ERROR_CODE_OFFSET );
        flags = buffer[bufferIndex + FLAGS_OFFSET];
        flags2 = readInt2( buffer, bufferIndex + FLAGS_OFFSET + 1 );
        tid = readInt2( buffer, bufferIndex + TID_OFFSET );
        pid = readInt2( buffer, bufferIndex + TID_OFFSET + 2 );
        uid = readInt2( buffer, bufferIndex + TID_OFFSET + 4 );

        bufferIndex += 16;

        this.capabilities = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.maxTransactSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.maxReadSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.maxWriteSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.server.smaxMpxCount = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.server.maxNumberVcs = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.server.maxBufferSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.server.maxRawSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

            srcIndex += this.recordName.readWireFormat(src, srcIndex);
        }
        this.recordType = readInt2(src, srcIndex);
        srcIndex += 2;
        this.recordClass = readInt2(src, srcIndex);
        srcIndex += 2;
        this.ttl = readInt4(src, srcIndex);
        srcIndex += 4;
        this.rDataLength = readInt2(src, srcIndex);
        srcIndex += 2;

        this.addrEntry = new NbtAddress[this.rDataLength / 6];

            srcIndex += recordName.readWireFormat( src, srcIndex );
        }
        recordType = readInt2( src, srcIndex );
        srcIndex += 2;
        recordClass = readInt2( src, srcIndex );
        srcIndex += 2;
        ttl = readInt4( src, srcIndex );
        srcIndex += 4;
        rDataLength = readInt2( src, srcIndex );
        srcIndex += 2;

        addrEntry = new NbtAddress[rDataLength / 6];

            throw new CIFSException("Signing is not initialized");
        }

        int ver = SMBUtil.readInt4(mic, 0);
        if ( ver != 1 ) {
            throw new SmbUnsupportedOperationException("Invalid signature version");
        }

        MessageDigest mac = Crypto.getHMACT64(sk);
        int seq = SMBUtil.readInt4(mic, 12);
        mac.update(mic, 12, 4); // sequence
        byte[] dgst = mac.digest(data); // data

        this.sub_authority = new int[this.sub_authority_count];
        for ( int i = 0; i < this.sub_authority_count; i++ ) {
            this.sub_authority[ i ] = SMBUtil.readInt4(src, si);
            si += 4;
        }
    }


    /**
     * Construct a SID from it's textual representation such as
     * <tt>S-1-5-21-1496946806-2192648263-3843101252-1029</tt>.
     * 

        this.errorCode = SMBUtil.readInt4(buffer, bufferIndex + SmbConstants.ERROR_CODE_OFFSET);
        this.flags = buffer[ bufferIndex + SmbConstants.FLAGS_OFFSET ];
        this.flags2 = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.FLAGS_OFFSET + 1);
        this.tid = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.TID_OFFSET);
        this.pid = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.TID_OFFSET + 2);

        sub_authority = new int[sub_authority_count];
        for (int i = 0; i < sub_authority_count; i++) {
            sub_authority[i] = ServerMessageBlock.readInt4( src, si );
            si += 4;
        }
    }
    /**
     * Construct a SID from it's textual representation such as
     * <tt>S-1-5-21-1496946806-2192648263-3843101252-1029</tt>.
     */