private int state = 1;

    private final CIFSContext transportContext;

    private String targetName;
    private byte[] type1Bytes;

    private byte[] signKey;
    private byte[] verifyKey;
    private byte[] sealClientKey;
    private byte[] sealServerKey;

    private Cipher sealClientHandle;
    private Cipher sealServerHandle;

    /**

        }

        @Test
        @DisplayName("Should handle various file ID sizes")
        void testVariousFileIdSizes() {
            byte[] shortFileId = new byte[8];
            byte[] standardFileId = new byte[16];
            byte[] longFileId = new byte[32];

            assertDoesNotThrow(() -> request.setFileId(shortFileId));
            assertDoesNotThrow(() -> request.setFileId(standardFileId));

        // Test initial encryption
        byte[] plaintext1 = "Before rotation".getBytes();
        byte[] encrypted1 = context.encryptMessage(plaintext1, 1L);
        byte[] decrypted1 = context.decryptMessage(encrypted1);
        assertArrayEquals(plaintext1, decrypted1);

        // When - Rotate keys
        byte[] newEncKey = new byte[16];
        byte[] newDecKey = new byte[16];
        new SecureRandom().nextBytes(newEncKey);

  public void testBytes() {
    TestHasher hasher = new TestHasher(); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};
    hasher.putByte((byte) 1);
    hasher.putBytes(new byte[] {2, 3, 4, 5, 6});
    hasher.putByte((byte) 7);
    hasher.putBytes(new byte[] {});
    hasher.putBytes(new byte[] {8});
    hasher.assertBytes(expected);
  }

  public void testShort() {

class HMACT64Test {

    private static final byte[] TEST_KEY = "testkey".getBytes();
    private static final byte[] LONG_TEST_KEY = new byte[80]; // Longer than 64 bytes
    private static final byte[] SHORT_TEST_KEY = "short".getBytes();
    private static final byte[] TEST_DATA = "testdata".getBytes();
    private static final byte[] EMPTY_DATA = new byte[0];

    static {
        // Initialize long key with predictable data

        String name = "TEST            ";
        System.arraycopy(name.getBytes("US-ASCII"), 0, src, srcIndex + 13, 16);
        src[srcIndex + 28] = 0x00; // hex code
        src[srcIndex + 29] = 0x04; // flags
        // MAC address (6 bytes)
        byte[] mac = new byte[6];
        System.arraycopy(mac, 0, src, srcIndex + 31, 6);
        // Stats (6 bytes)
        byte[] stats = new byte[6];

        byte[] dst = new byte[150];
        int bytesWritten = netServerEnum2.writeParametersWireFormat(dst, 0);

        // Verify subcommand
        assertEquals(SmbComTransaction.NET_SERVER_ENUM3 & 0xFF, (dst[0] & 0xFF) | ((dst[1] & 0xFF) << 8));

        // Verify description
        byte[] descr = NetServerEnum2.DESCR[1].getBytes("ASCII");
        byte[] writtenDescr = new byte[descr.length];

        // so readBytesWireFormat() is invoked and must delegate back to readErrorResponse() when it sees size=9.
        byte[] header = buildHeader(NtStatus.NT_STATUS_INVALID_PARAMETER);
        byte[] body = buildErrorBody(2, 3, new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC });
        byte[] packet = new byte[header.length + body.length];
        System.arraycopy(header, 0, packet, 0, header.length);

    }

    @Test
    @DisplayName("Should handle special byte values correctly")
    void testSpecialByteValues() {
        // Test boundary values
        byte[] data = { (byte) 0x00, // min value
                (byte) 0xFF, // max value (-1 as signed byte)
                (byte) 0x7F, // max positive
                (byte) 0x80 // min negative
        };

        String result = Hexdump.toHexString(data);

    @DisplayName("Test writeUTime with zero time")
    void testWriteUTimeWithZeroTime() {
        byte[] dst = new byte[4];

        SMB1SigningDigest.writeUTime(mockConfig, 0L, dst, 0);

        assertEquals((byte) 0xFF, dst[0]);
        assertEquals((byte) 0xFF, dst[1]);
        assertEquals((byte) 0xFF, dst[2]);
        assertEquals((byte) 0xFF, dst[3]);
    }

    @Test
    @DisplayName("Test writeUTime with max time")