0x98, 0x8f, 0xe7, 0x45, 0x5c, 0x53, 0x51, 0x73, 0x35, 0x53, 0x80, 0x1f, 0x89, 0x44, 0x1c, 0xf1, 0x41, 0xfe, 0x90, 0xc3, 0xa2, 0x5d, 0x9c, 0xe1, 0xf9, 0x20, 0x8a, 0x6d, 0xbd, 0xda, 0x2f, 0xe6, 0x69, 0x1f, 0x65, 0xbb, 0xaa, 0x27, 0x2e, 0xb6, 0x9e, 0x1b, 0xb5, 0xbb, 0xbb, 0x3d, 0x37, 0x83, 0x9, 0xbb, 0xda, 0x32, 0x36, 0x82, 0xc9, 0x88, 0x3b, 0x7d, 0xde, 0xe7, 0x59, 0xa7, 0xf3, 0x74, 0x89, 0x6c, 0x6c, 0x87, 0x52, 0x3d, 0x8, 0x78, 0x65, 0x49, 0xd8, 0xcd, 0x45, 0xe0, 0xbc, 0x73, 0x64, 0xb5, 0x47, 0xe7, 0x53,...

        Longs.toByteArray(0x1213141516171819L));
    assertByteArrayEquals(
        new byte[] {
          (byte) 0xFF, (byte) 0xEE, (byte) 0xDD, (byte) 0xCC,
          (byte) 0xBB, (byte) 0xAA, (byte) 0x99, (byte) 0x88
        },
        Longs.toByteArray(0xFFEEDDCCBBAA9988L));
  }

  public void testFromByteArray() {
    assertThat(

            buffer[2] = 0x01; // Oplock level
            buffer[3] = (byte) 0xAA; // Reserved byte

            // Reserved2 field (4 bytes at offset 4)
            buffer[4] = (byte) 0xBB;
            buffer[5] = (byte) 0xCC;
            buffer[6] = (byte) 0xDD;
            buffer[7] = (byte) 0xEE;

            byte[] fileId = createTestData(16);
            System.arraycopy(fileId, 0, buffer, 8, 16);

        // 64-fold("Rough Consensus, and Running Code")
        verifyNfold("Rough Consensus, and Running Code", 8,
                new byte[] { (byte) 0xbb, (byte) 0x6e, (byte) 0xd3, (byte) 0x08, (byte) 0x70, (byte) 0xb7, (byte) 0xf0, (byte) 0xe0 });

        // 64-fold("kerberos")
        verifyNfold("kerberos", 8,

            int flags = NegTokenInit.DELEGATION | NegTokenInit.INTEGRITY;
            byte[] mechToken = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05 };
            byte[] mic = new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC };

            NegTokenInit original = new NegTokenInit(mechs, flags, mechToken, mic);
            byte[] firstEncoding = original.toByteArray();

        int namedPipeState = 0x02;
        int readDataAvailable = 256;
        int numberOfMessages = 5;
        int messageLength = 128;
        byte[] testData = { (byte) 0xFF, (byte) 0xEE, (byte) 0xDD, (byte) 0xCC, (byte) 0xBB, (byte) 0xAA, (byte) 0x99, (byte) 0x88 };

        // Write values to buffer at offset
        SMBUtil.writeInt4(namedPipeState, buffer, bufferIndex);
        SMBUtil.writeInt4(readDataAvailable, buffer, bufferIndex + 4);

        // Change flags
        request.setCloseFlags(0x0000);

        // Change file ID again
        byte[] newFileId2 = new byte[16];
        Arrays.fill(newFileId2, (byte) 0xBB);
        request.setFileId(newFileId2);

        // Verify final state
        Field fileIdField = Smb2CloseRequest.class.getDeclaredField("fileId");
        fileIdField.setAccessible(true);

        byte[] testSessionKey = new byte[16];
        Arrays.fill(testSessionKey, (byte) 0xAA);
        byte[] testPreauth = new byte[64];
        Arrays.fill(testPreauth, (byte) 0xBB);

        // When
        byte[] signingKey300 = Smb3KeyDerivation.deriveSigningKey(Smb2Constants.SMB2_DIALECT_0300, testSessionKey, testPreauth);

     */
    @Test
    @DisplayName("Decode should create AvChannelBindings instance")
    void testDecodeAvChannelBindings() throws CIFSException {
        byte[] data = new byte[] { (byte) 0xAA, (byte) 0xBB };
        byte[] avPairData = createAvPairData(AvPair.MsvAvChannelBindings, data);
        byte[] eolData = createEolData();

        byte[] fullData = new byte[avPairData.length + eolData.length];

    @BeforeEach
    void setup() {
        sessionKey = new byte[16];
        Arrays.fill(sessionKey, (byte) 0xAA);

        preauthIntegrityHash = new byte[64];
        Arrays.fill(preauthIntegrityHash, (byte) 0xBB);
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should create digest for SMB 2.0.2 with HmacSHA256")