*/
    public HMACT64(final byte[] key) {
        super("HMACT64");
        final int length = Math.min(key.length, BLOCK_LENGTH);
        for (int i = 0; i < length; i++) {
            this.ipad[i] = (byte) (key[i] ^ IPAD);
            this.opad[i] = (byte) (key[i] ^ OPAD);
        }
        for (int i = length; i < BLOCK_LENGTH; i++) {
            this.ipad[i] = IPAD;
            this.opad[i] = OPAD;
        }

    }

    @Test
    @DisplayName("Should format with specific offset and length")
    void testHexdumpWithOffsetAndLength() {
        // Given
        byte[] data = createTestData(64);
        int offset = 16;
        int length = 32;

        // When
        String result = Hexdump.toHexString(data, offset, length);

        // Then
        assertNotNull(result);
        assertFalse(result.isEmpty());

    void testAvFlagsIntConstructor() {
        // Test with a positive integer
        int flags = 0x12345678;
        AvFlags avFlags = new AvFlags(flags);
        assertNotNull(avFlags, "AvFlags object should not be null");
        assertEquals(flags, avFlags.getFlags(), "Flags should match the input integer");

        // Test with zero
        int zeroFlags = 0;
        AvFlags zeroAvFlags = new AvFlags(zeroFlags);

            buf.writeOctetArray(contextHandle, 0, Math.min(contextHandle.length, 20));
            // Pad with zeros if context handle is shorter than 20 bytes
            for (int i = contextHandle.length; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        } else {
            // Write 20 zero bytes for null context handle
            for (int i = 0; i < 20; i++) {
                buf.enc_ndr_small(0);

     *
     * @param line the line to analyze
     * @param ch the character to count
     * @return the number of occurrences
     */
    protected int countOccurrences(final String line, final char ch) {
        int count = 0;
        boolean inQuotes = false;

        for (int i = 0; i < line.length(); i++) {
            final char c = line.charAt(i);
            if (c == '"') {
                inQuotes = !inQuotes;

        // Test case 5: Min int value
        int minIntValue = Integer.MIN_VALUE;
        NdrLong ndrLongMin = new NdrLong(minIntValue);
        assertEquals(minIntValue, ndrLongMin.value, "Constructor should correctly initialize with Integer.MIN_VALUE.");
    }

    @Test
    void encode_shouldCallEncNdrLongWithCorrectValue() throws NdrException {
        int testValue = 98765;

    List<ChannelInfo> channels = channelManager.getHealthyChannels();
    int channelCount = Math.min(channels.size(), 4);  // Max 4 parallel reads
    
    int chunkSize = length / channelCount;
    List<CompletableFuture<Void>> futures = new ArrayList<>();
    
    for (int i = 0; i < channelCount; i++) {
        final int chunkOffset = i * chunkSize;
        final int chunkLength = (i == channelCount - 1) ? 

        private final long accountsLocked;
        private final long ipsBlocked;
        private final int activeAccounts;
        private final int activeIps;

        public RateLimiterStats(long totalBlocked, long accountsLocked, long ipsBlocked, int activeAccounts, int activeIps) {
            this.totalBlocked = totalBlocked;
            this.accountsLocked = accountsLocked;

                    this.dcListExpiration = now + 1000 * 60 * 15; /* 15 min */
                    log.warn("Failed to retrieve DC list from WINS");
                }
            }

            final int max = Math.min(this.dcList.length, this.netbiosLookupRespLimit);
            for (int j = 0; j < max; j++) {
                final int i = dcListCounter++ % max;
                if (this.dcList[i] != null) {

        byte[] opad = new byte[64];

        // HMACT64 specific: truncate key to 64 bytes if needed
        int keyLen = Math.min(key.length, 64);
        for (int i = 0; i < keyLen; i++) {
            ipad[i] = (byte) (key[i] ^ 0x36);
            opad[i] = (byte) (key[i] ^ 0x5c);
        }
        for (int i = keyLen; i < 64; i++) {
            ipad[i] = 0x36;
            opad[i] = 0x5c;
        }