assertEquals("Unknown dialect", exception.getMessage());
        }

        @ParameterizedTest
        @ValueSource(ints = { 0x0000, 0x0100, 0x0201, 0x0303, 0x0400, 0xFFFF })
        @DisplayName("Should throw exception for invalid dialects")
        void testConstructorInvalidDialects(int dialect) {
            IllegalArgumentException exception =

    /**
     * SMB 3.0 dialect (Windows 8/Server 2012)
     */
    public static final int SMB2_DIALECT_0300 = 0x0300;

    /**
     * SMB 3.0.2 dialect (Windows 8.1/Server 2012R2)
     */
    public static final int SMB2_DIALECT_0302 = 0x0302;

    /**
     * SMB 3.1.1 dialect (Windows 10/Server 2016)
     */
    public static final int SMB2_DIALECT_0311 = 0x0311;

    /**

**Supported Protocols:**
- **SMB1/CIFS**: Legacy support via `jcifs.smb1/` package
- **SMB 2.0.2**: Windows Vista+ (0x0202)
- **SMB 2.1**: Windows 7/Server 2008R2 (0x0210)
- **SMB 3.0**: Windows 8/Server 2012 (0x0300) - AES-128-CCM encryption
- **SMB 3.0.2**: Windows 8.1/Server 2012R2 (0x0302) - Enhanced encryption
- **SMB 3.1.1**: Windows 10/Server 2016+ (0x0311) - AES-128-GCM + Pre-Auth Integrity

**Protocol Selection:**
- Default Range: SMB1 to SMB 3.1.1

     */
    int FLAGS2_LONG_FILENAMES = 0x0001;
    /**
     * Extended attributes are supported flag.
     */
    int FLAGS2_EXTENDED_ATTRIBUTES = 0x0002;
    /**
     * Security signatures are supported flag.
     */
    int FLAGS2_SECURITY_SIGNATURES = 0x0004;
    /**
     * Security signatures are required flag.
     */
    int FLAGS2_SECURITY_REQUIRE_SIGNATURES = 0x0010;
    /**

        return transformCount > 0 && rdmaTransformId == 0x0001;
    }

    /**
     * Get the transform count
     *
     * @return number of transforms
     */
    public int getTransformCount() {
        return transformCount;
    }

    /**
     * Get the RDMA transform ID
     *
     * @return transform ID (should be 0x0001 for V1)
     */
    public int getRdmaTransformId() {

     */
    public static final int CIPHER_AES_256_CCM = 0x0003;
    /**
     * AES-256-GCM cipher identifier for SMB3.1.1 encryption (future support)
     */
    public static final int CIPHER_AES_256_GCM = 0x0004;

    /**
     * Transform header flag indicating the message is encrypted
     */
    public static final int TRANSFORM_FLAG_ENCRYPTED = 0x0001;

    /**
     * Create encryption context
     *

    static final int O_RDONLY = 0x01;
    static final int O_WRONLY = 0x02;
    static final int O_RDWR = 0x03;
    static final int O_APPEND = 0x04;

    // Open Function Encoding
    // create if the file does not exist
    static final int O_CREAT = 0x0010;
    // fail if the file exists
    static final int O_EXCL = 0x0020;
    // truncate if the file exists

                try (SmbFileHandleImpl f = openUnshared(O_RDONLY, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, dir,
                        dir != 0 ? 0x0001 : 0x0040)) {
                    th.send(new Trans2SetFileInformation(th.getConfig(), f.getFid(), attrs | dir, ctime, mtime, atime),