int count = 0;
      // originally was 2 * Math.log(...), making it try more times to avoid flakiness issues
      int maxCount = (int) (4 * Math.log(2 * keyBits * hashBits) + 1);
      while (same != 0xffffffff || diff != 0xffffffff) {
        int key1 = rand.nextInt();
        // flip input bit for key2
        int key2 = key1 ^ (1 << i);
        // get hashes
        int hash1 = function.hashInt(key1).asInt();

                    buf[i + 3] = (byte) (fakeLen & 0xFF);
                    return buf;
                }, IllegalArgumentException.class),

                // Negative NAME_LEN (0xFFFFFFFF) causes StringIndexOutOfBoundsException
                Arguments.of("negative name length triggers SIOOBE", (java.util.function.Supplier<byte[]>) () -> {
                    byte[] tok = new byte[] { 0x04, 0x01 };

        @DisplayName("toString() should handle maximum values correctly")
        void testToStringMaxValues() {
            // Arrange
            rpc.uuid_t rpcUuid = new rpc.uuid_t();
            rpcUuid.time_low = 0xFFFFFFFF;
            rpcUuid.time_mid = (short) 0xFFFF;
            rpcUuid.time_hi_and_version = (short) 0xFFFF;
            rpcUuid.clock_seq_hi_and_reserved = (byte) 0xFF;
            rpcUuid.clock_seq_low = (byte) 0xFF;

      this.h1 = seed;
      this.length = 0;
      isDone = false;
    }

    private void update(int nBytes, long update) {
      // 1 <= nBytes <= 4
      buffer |= (update & 0xFFFFFFFFL) << shift;
      shift += nBytes * 8;
      length += nBytes;

      if (shift >= 32) {
        h1 = mixH1(h1, mixK1((int) buffer));
        buffer >>>= 32;
        shift -= 32;
      }
    }

                        : targetName.toUpperCase().getBytes(getOEMEncoding());
                size += targetBytes.length;
            } else {
                flags &= 0xffffffff ^ NTLMSSP_REQUEST_TARGET;
            }
        }

        if (targetInformationBytes != null) {
            size += targetInformationBytes.length;
            flags |= NTLMSSP_NEGOTIATE_TARGET_INFO;

     */
    public static void writeUTime(final Configuration cfg, long t, final byte[] dst, final int dstIndex) {
        if (t == 0L || t == 0xFFFFFFFFFFFFFFFFL) {
            SMBUtil.writeInt4(0xFFFFFFFF, dst, dstIndex);
            return;
        }

        if (cfg.getLocalTimezone().inDaylightTime(new Date())) {
            // in DST
            if (cfg.getLocalTimezone().inDaylightTime(new Date(t))) {

                            : targetName.toUpperCase().getBytes(getOEMEncoding());
                } else {
                    flags &= 0xffffffff ^ NTLMSSP_REQUEST_TARGET;
                }
            }
            if (targetInformation != null) {
                flags |= NTLMSSP_NEGOTIATE_TARGET_INFO;

        // Prepare test data with maximum values
        byte[] buffer = new byte[50];
        int bufferIndex = 0;

        // Set maximum values
        int testCapabilities = 0xFFFFFFFF;
        byte[] testGuid = new byte[16];
        Arrays.fill(testGuid, (byte) 0xFF);
        int testSecurityMode = 0xFFFF;
        int testDialect = 0xFFFF;

        // Write to buffer

        // Assert
        assertNotNull(transPeekNamedPipe);
        assertEquals(TEST_PIPE_NAME, transPeekNamedPipe.name);
        assertEquals(0xFFFFFFFF, transPeekNamedPipe.timeout);
        assertEquals(6, transPeekNamedPipe.maxParameterCount);
        assertEquals(1, transPeekNamedPipe.maxDataCount);
        assertEquals((byte) 0x00, transPeekNamedPipe.maxSetupCount);

            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 {
        // Given