bufferIndex += 4;
        this.status = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.command = SMBUtil.readInt2(buffer, bufferIndex);
        this.credit = SMBUtil.readInt2(buffer, bufferIndex + 2);
        bufferIndex += 4;

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

     */

    @Override
    public int decode(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = this.headerStart = bufferIndex;

        bufferIndex += readHeaderWireFormat(buffer, bufferIndex);
        bufferIndex += readAndXWireFormat(buffer, bufferIndex);

        final int len = bufferIndex - start;
        this.length = len;

        if (isRetainPayload()) {

        bufferIndex += 4;

        // Skip reserved (2 bytes)
        bufferIndex += 2;

        // Read flags
        header.flags = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        // Read session ID
        header.sessionId = SMBUtil.readInt8(buffer, bufferIndex);

        return header;
    }

    /**

    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        final int nciphers = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        this.ciphers = new int[nciphers];
        for (int i = 0; i < nciphers; i++) {
            this.ciphers[i] = SMBUtil.readInt2(buffer, bufferIndex);
            bufferIndex += 2;
        }

    public int decode(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException {
        if (len < 8) {
            throw new SMBProtocolDecodingException("Invalid compression context length: " + len);
        }

        int start = bufferIndex;

        // Read compression count
        int compressionCount = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

            int readSetupWireFormat(byte[] buffer, int bufferIndex, int len) {
                return 0;
            }

            @Override
            int readParametersWireFormat(byte[] buffer, int bufferIndex, int len) {
                return 0;
            }

            @Override
            int readDataWireFormat(byte[] buffer, int bufferIndex, int len) {
                return 0;
            }

        bufferIndex += 8;

        final int securityBufferOffset = SMBUtil.readInt2(buffer, bufferIndex);
        final int securityBufferLength = SMBUtil.readInt2(buffer, bufferIndex + 2);
        bufferIndex += 4;

        final int negotiateContextOffset = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // Validate security buffer parameters

        server.maxMpxCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        server.maxNumberVcs = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        server.maxBufferSize = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        server.maxRawSize = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        server.sessionKey = readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        byte[] buffer = new byte[256];
        int bufferIndex = 0;

        // Write structure size (9) - indicates error response
        SMBUtil.writeInt2(9, buffer, bufferIndex);
        // Write error context and error data
        buffer[bufferIndex + 2] = 1; // Error context count
        buffer[bufferIndex + 3] = 0; // Reserved
        SMBUtil.writeInt4(0, buffer, bufferIndex + 4); // ByteCount (0 for error)

        this.offset = SMBUtil.readInt4(buffer, bufferIndex);
        return 4;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb1.ServerMessageBlock#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) throws SMBProtocolDecodingException {