System.arraycopy(buffer, tokenOffset, actualToken, 0, tokenSize);
            assertArrayEquals(token, actualToken);
        }
    }

    @ParameterizedTest
    @CsvSource({ "0x00, 0x00000000", "0x01, 0x00000001", "0x03, 0x0000000F", "0xFF, 0x7FFFFFFF" })
    @DisplayName("Should handle various security modes and capabilities")
    void testVariousSecurityModesAndCapabilities(String securityModeHex, String capabilitiesHex) throws Exception {

            }
        }
        return -1;
    }

    // Provide a handful of representative mappings present in the table.
    static Stream<Arguments> knownMappings() {
        return Stream.of(Arguments.of(0x00000000, 0x00000000), Arguments.of(0x00020001, 0xc000000f), Arguments.of(0x00050001, 0xc0000022),
                Arguments.of(0x00500001, 0xc0000035), Arguments.of(0x007b0001, 0xc0000033), Arguments.of(0x00320001, 0xC00000BB));
    }

            verify(mockBuffer, times(2)).enc_ndr_small(0); // minor version and ptype (both are 0)
            verify(mockBuffer).enc_ndr_small(DcerpcConstants.RPC_C_PF_BROADCAST); // flags
            verify(mockBuffer).enc_ndr_long(0x00000010); // Little-endian / ASCII / IEEE
            verify(mockBuffer).enc_ndr_short(message.length);
            verify(mockBuffer, times(1)).enc_ndr_short(0); // auth_value length

    private final long registrationTime;
    private final AtomicLong sequenceNumber;
    
    // Registration flags
    public static final int WITNESS_REGISTER_NONE = 0x00000000;
    public static final int WITNESS_REGISTER_IP_NOTIFICATION = 0x00000001;
    
    // Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;
    private int flags;
    

        @DisplayName("Should preserve other flags when setting signed flag")
        void testSignPreservesOtherFlags() {
            // Set initial flags with some existing flags
            int initialFlags = 0x00000001 | 0x00000002 | 0x00000004;
            SMBUtil.writeInt4(initialFlags, data, 16);

            digest.sign(data, 0, data.length, request, response);

            int flags = SMBUtil.readInt4(data, 16);

class NtStatusTest {

    @Test
    @DisplayName("Should define well-known NT status constants")
    void testWellKnownStatusConstants() {
        // Verify important NT status constants are defined
        assertEquals(0x00000000, NtStatus.NT_STATUS_SUCCESS);
        assertEquals((int) 0xC0000022L, NtStatus.NT_STATUS_ACCESS_DENIED);
        assertEquals((int) 0xC0000034L, NtStatus.NT_STATUS_OBJECT_NAME_NOT_FOUND);

        buf.enc_ndr_small(5); /* RPC version */
        buf.enc_ndr_small(0); /* minor version */
        buf.enc_ndr_small(this.ptype);
        buf.enc_ndr_small(this.flags);
        buf.enc_ndr_long(0x00000010); /* Little-endian / ASCII / IEEE */
        buf.enc_ndr_short(this.length);
        buf.enc_ndr_short(0); /* length of auth_value */
        buf.enc_ndr_long(this.call_id);
    }

        buf.enc_ndr_small(5); // RPC version
        buf.enc_ndr_small(0); // minor version
        buf.enc_ndr_small(2); // ptype = 2 (Response)
        buf.enc_ndr_small(0); // flags
        buf.enc_ndr_long(0x00000010); // data representation
        buf.enc_ndr_short(20); // length
        buf.enc_ndr_short(0); // auth length
        buf.enc_ndr_long(0); // call_id

        // Response body

        processRemaining(EMPTY);
      }
      return HashCode.fromInt(~crc0);
    }

    static final int[] byteTable = {
      0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c,
      0x26a1e7e8, 0xd4ca64eb, 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b,
      0x4d43cfd0, 0xbf284cd3, 0xac78bf27, 0x5e133c24, 0x105ec76f, 0xe235446c,

public interface DosError {

    /**
     * Mapping table from DOS error codes to NT status codes.
     * Each entry contains a pair of [DOS error code, NT status code].
     */
    int[][] DOS_ERROR_CODES = { { 0x00000000, 0x00000000 }, { 0x00010001, 0xc0000002 }, { 0x00010002, 0xc0000002 },
            { 0x00020001, 0xc000000f }, { 0x00020002, 0xc000006a }, { 0x00030001, 0xc000003a }, { 0x00030002, 0xc00000cb },