// create a buffer with count = 0x1234 (4660 decimal)
        // Using little-endian byte order as per SMBUtil.readInt2
        byte[] buf = new byte[12];
        buf[0] = 0x34; // Low byte
        buf[1] = 0x12; // High byte
        int written = resp.readParameterWordsWireFormat(buf, 0);

        assertEquals(8, written, "Expected readParameterWordsWireFormat to advance 8 bytes");

    /**
     * Test that the constructor correctly initializes with a valid channel binding hash.
     */
    @Test
    void testConstructorWithValidHash() {
        byte[] testHash = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        AvChannelBindings avChannelBindings = new AvChannelBindings(testHash);

        assertEquals(AvPair.MsvAvChannelBindings, avChannelBindings.getType(), "Type should be MsvAvChannelBindings");

    }

    static Stream<Arguments> validParams() {
        // fid 0x1234, lastWriteTime 0 -> UTime all 0xFF
        return Stream.of(Arguments.of(0x1234, 0L, new byte[] { 0x34, 0x12, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),
                // negative fid wraps around, lastWriteTime = 1000 -> 1 second -> int value 1

        super(andx);
        this.path = fileName;
        command = SMB_COM_OPEN_ANDX;

        desiredAccess = access & 0x3;
        if (desiredAccess == 0x3) {
            desiredAccess = 0x2; /* Mmm, I thought 0x03 was RDWR */
        }
        desiredAccess |= SHARING_DENY_NONE;

        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;
        }

        // Calculate inner hash
        md5.reset();
        md5.update(ipad);

    private Smb2LeaseKey testKey;
    private int testState;

    @BeforeEach
    void setUp() {
        byte[] keyBytes = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
        testKey = new Smb2LeaseKey(keyBytes);
        testState = Smb2LeaseState.SMB2_LEASE_READ_WRITE;
        leaseContext = new LeaseV1CreateContextRequest(testKey, testState);

    /**
     * Receive buffer has been posted flag.
     */
    int FLAGS_RECEIVE_BUFFER_POSTED = 0x02;
    /**
     * Path names are case-insensitive flag.
     */
    int FLAGS_PATH_NAMES_CASELESS = 0x08;
    /**
     * Path names are canonicalized flag.
     */
    int FLAGS_PATH_NAMES_CANONICALIZED = 0x10;
    /**
     * Opportunistic lock requested or granted flag.
     */

    /**
     * SMB command for extended transaction operations.
     */
    public static final byte SMB_COM_TRANSACTION2 = (byte) 0x32;

    /**
     * SMB command to close a find operation.
     */
    public static final byte SMB_COM_FIND_CLOSE2 = (byte) 0x34;

    /**
     * SMB command to disconnect from a tree share.
     */
    public static final byte SMB_COM_TREE_DISCONNECT = (byte) 0x71;

    int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    /** Receive buffer posted flag */
    int FLAGS_RECEIVE_BUFFER_POSTED = 0x02;
    /** Path names are caseless flag */
    int FLAGS_PATH_NAMES_CASELESS = 0x08;
    /** Path names canonicalized flag */
    int FLAGS_PATH_NAMES_CANONICALIZED = 0x10;
    /** Oplock requested or granted flag */
    int FLAGS_OPLOCK_REQUESTED_OR_GRANTED = 0x20;
    /** Notify of modify action flag */

 * via MD5).
 */
public class HMACT64 extends MessageDigest implements Cloneable {

    private static final int BLOCK_LENGTH = 64;

    private static final byte IPAD = (byte) 0x36;

    private static final byte OPAD = (byte) 0x5c;

    private MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**