* @param chlng
     *            The server challenge.
     * @return A <code>byte[]</code> containing the effective user session key,
     *         used in SMB MAC signing and NTLMSSP signing and sealing.
     */
    public byte[] getUserSessionKey(CIFSContext tc, byte[] chlng) {
        byte[] key = new byte[16];
        try {
            getUserSessionKey(tc, chlng, key, 0);
        } catch (Exception ex) {

	last := &r.buf[len(r.buf)-1]
	return last.off + last.n
}

func (r *rleBuffer) Write(p []byte) (n int, err error) {
	var rp *repeatedByte
	if len(r.buf) > 0 {
		rp = &r.buf[len(r.buf)-1]
		// Fast path, if p is entirely the same byte repeated.
		if lastByte := rp.b; len(p) > 0 && p[0] == lastByte {
			if bytes.Count(p, []byte{lastByte}) == len(p) {
				rp.n += int64(len(p))
				return len(p), nil
			}
		}
	}

     * @throws GeneralSecurityException
     *             if the signing algorithm cannot be initialized
     *
     */
    public Smb2SigningDigest(final byte[] sessionKey, final int dialect, final byte[] preauthIntegrityHash)
            throws GeneralSecurityException {
        switch (dialect) {
        case Smb2Constants.SMB2_DIALECT_0202:
        case Smb2Constants.SMB2_DIALECT_0210:

        super(config);
    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override

    }

    @Test
    @DisplayName("Test decode method with valid buffer")
    void testDecodeWithValidBuffer() throws SMBProtocolDecodingException {
        // Given
        byte[] buffer = new byte[256];
        int bufferIndex = 0;
        int expectedLength = 100;

        when(messageBlock.decode(buffer, bufferIndex)).thenReturn(expectedLength);

        // When

        // save number of bits, casting the long to an array of 8 bytes
        // save low-order byte first.
        for (int i = 0; i < 8; i++) {
            tail[padLen + i] = (byte) (count * 8 >>> 8 * i);
        }

        engineUpdate(tail, 0, tail.length);

        final byte[] result = new byte[16];
        // cast this MD4's context (array of 4 ints) into an array of 16 bytes.

     * @param mechanismListMIC the MIC over the mechanism list
     */
    public NegTokenInit(final ASN1ObjectIdentifier[] mechanisms, final int contextFlags, final byte[] mechanismToken,
            final byte[] mechanismListMIC) {
        setMechanisms(mechanisms);
        setContextFlags(contextFlags);
        setMechanismToken(mechanismToken);
        setMechanismListMIC(mechanismListMIC);
    }

				// concurrently, check for it before we
				// write the filler byte.
				select {
				case err := <-doneCh:
					if err != nil {
						write([]byte{1})
						write([]byte(err.Error()))
					} else {
						write([]byte{0})
					}
					return
				default:
				}

				// Response not ready, write a filler byte.
				write([]byte{32})
				if canWrite {
					xhttp.Flush(w)
				}

        this.server = server;
    }

    @Override
    int writeParameterWordsWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, int bufferIndex) {
        final int start = bufferIndex;

        // Manually set parameters that would be read by readParametersWireFormat
        response.numEntries = 2;
        byte[] params = { 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x02, 0x00 };
        response.readParametersWireFormat(params, 0, params.length);

        // Data block: 2 entries
        byte[] data = new byte[100];
        // Entry 1: SHARE1, type 0 (Disk), remark "Remark 1"