public static final int PIPE_TYPE_CALL = 0x0100;

    /**
     * Pipe operations should behave like the <code>TransactNamedPipe</code> Win32 Named Pipe function.
     */

    public static final int PIPE_TYPE_TRANSACT = 0x0200;

    /**
     * Named pipe type flag for DCE RPC transact operations.
     */
    public static final int PIPE_TYPE_DCE_TRANSACT = 0x0200 | 0x0400;

    InputStream pipeIn;

        .putByte((byte) 0x01)
        .putByte((byte) 0x00)
        .putByte((byte) 0x01)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00);
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher
        .putChar((char) 0x0101)
        .putChar((char) 0x0100)
        .putChar((char) 0x0000)

    int FLAGS2_EXTENDED_SECURITY_NEGOTIATION = 0x0800;
    /**
     * Resolve paths in Distributed File System flag.
     */
    int FLAGS2_RESOLVE_PATHS_IN_DFS = 0x1000;
    /**
     * Permit read if execute permission flag.
     */
    int FLAGS2_PERMIT_READ_IF_EXECUTE_PERM = 0x2000;
    /**
     * Use 32-bit status codes flag.
     */
    int FLAGS2_STATUS32 = 0x4000;
    /**
     * Strings are Unicode flag.

        .putByte((byte) 0x01)
        .putByte((byte) 0x00)
        .putByte((byte) 0x01)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00);
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher
        .putChar((char) 0x0101)
        .putChar((char) 0x0100)
        .putChar((char) 0x0000)

            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;

    /**

- **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

	// but these seem to be the values agreed on by tools.
	s_IFMT   = 0xf000
	s_IFSOCK = 0xc000
	s_IFLNK  = 0xa000
	s_IFREG  = 0x8000
	s_IFBLK  = 0x6000
	s_IFDIR  = 0x4000
	s_IFCHR  = 0x2000
	s_IFIFO  = 0x1000
	s_ISUID  = 0x800
	s_ISGID  = 0x400
	s_ISVTX  = 0x200

	msdosDir      = 0x10
	msdosReadOnly = 0x01
)

    private static final int SHARING_COMPATIBILITY = 0x00;
    private static final int SHARING_DENY_READ_WRITE_EXECUTE = 0x10;
    private static final int SHARING_DENY_WRITE = 0x20;
    private static final int SHARING_DENY_READ_EXECUTE = 0x30;
    private static final int SHARING_DENY_NONE = 0x40;

    private static final int DO_NOT_CACHE = 0x1000; // bit 12
    private static final int WRITE_THROUGH = 0x4000; // bit 14

        assertNotNull(signingKey, "Should handle large session key");
        assertEquals(16, signingKey.length, "Should still produce 16-byte key");
    }

    @ParameterizedTest
    @ValueSource(ints = { 0x0300, 0x0302, 0x0310 }) // Non-3.1.1 dialects
    @DisplayName("Should use SMB 3.0.x context for non-3.1.1 dialects")
    void testDeriveKeys_NonSMB311Dialects(int dialect) {
        // When