String target = null;
        byte[] bytes = readSecurityBuffer(material, 12);
        if (bytes.length != 0) {
            target = new String(bytes, (flags & NTLMSSP_NEGOTIATE_UNICODE) != 0 ? UNI_ENCODING : getOEMEncoding());
        }
        setTarget(target);
        for (int i = 24; i < 32; i++) {
            if (material[i] != 0) {
                final byte[] challenge = new byte[8];

    }

    @Override
    public int size() {
        // Context header: 16 bytes
        // Name: 4 bytes ("RqLs")
        // Padding: 4 bytes (to align data to 8-byte boundary)
        // Data: 32 bytes (lease V1 structure)
        return 16 + 4 + 4 + 32;
    }

    @Override
    public int encode(byte[] dst, int dstIndex) {
        int start = dstIndex;

        // Write context header

    void testWriteBytesWireFormat() throws UnsupportedEncodingException {
        byte[] expectedBytes = DIALECTS.getBytes("ASCII");
        byte[] dst = new byte[expectedBytes.length];
        int dstIndex = 0;

        // Execute the method to write bytes
        int bytesWritten = smbComNegotiate.writeBytesWireFormat(dst, dstIndex);

        // Verify the number of bytes written

  public void testBytes() {
    Sink sink = new Sink(4); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};
    sink.putByte((byte) 1);
    sink.putBytes(new byte[] {2, 3, 4, 5, 6});
    sink.putByte((byte) 7);
    sink.putBytes(new byte[] {});
    sink.putBytes(new byte[] {8});
    HashCode unused = sink.hash();
    sink.assertInvariants(8);
    sink.assertBytes(expected);

        byte[] testSessionKey = new byte[16];
        Arrays.fill(testSessionKey, (byte) 0xAA);
        byte[] testPreauth = new byte[64];
        Arrays.fill(testPreauth, (byte) 0xBB);

        // When
        byte[] signingKey300 = Smb3KeyDerivation.deriveSigningKey(Smb2Constants.SMB2_DIALECT_0300, testSessionKey, testPreauth);

        byte[] buffer = new byte[256];
        int written = trans2FindNext2.writeParametersWireFormat(buffer, 0);

        // Verify sid (2 bytes)
        assertEquals(TEST_SID, SMBUtil.readInt2(buffer, 0));

        // Verify maxItems (2 bytes)
        assertEquals(TEST_BATCH_COUNT, SMBUtil.readInt2(buffer, 2));

        // Verify informationLevel (2 bytes) - should be SMB_FILE_BOTH_DIRECTORY_INFO (0x104)

        }
        bufferIndex += 2;

        // Reserved (2 bytes)
        bufferIndex += 2;

        // Flags (4 bytes)
        this.flags = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // LeaseKey (16 bytes)
        byte[] keyBytes = new byte[16];
        System.arraycopy(buffer, bufferIndex, keyBytes, 0, 16);

            // Arrange: revision=1, count=2, identAuth zeros except last byte, subauth 10, 20
            byte[] ident = new byte[] { 0, 0, 0, 0, 0, 5 };
            rpc.sid_t st = buildSidT((byte) 1, ident, 10, 20);

            byte[] bytes = SID.toByteArray(st);

            // Act: construct from bytes and re-encode
            SID sid = new SID(bytes, 0);
            byte[] roundTrip = sid.toByteArray();

            // Assert

     * @param remaining the number of bytes remaining to be written
     * @param b the data buffer containing bytes to write
     * @param off the offset in the buffer where data starts
     * @param len the number of bytes to write
     */
    public SmbComWrite(final Configuration config, final int fid, final int offset, final int remaining, final byte[] b, final int off,
            final int len) {

        // Mock attributes (4 bytes)
        buffer[32] = 0x01;
        buffer[33] = 0x00;
        buffer[34] = 0x00;
        buffer[35] = 0x00;

        return buffer;
    }

    private byte[] createMockFileStandardInfoBuffer() {
        // Create a buffer that represents FileStandardInfo data
        byte[] buffer = new byte[24];

        // Mock allocation size (8 bytes)
        for (int i = 0; i < 8; i++) {