private byte[] testNonce;
    private long testSessionId;

    @BeforeEach
    void setUp() {
        transformHeader = new Smb2TransformHeader();
        testNonce = new byte[16];
        new SecureRandom().nextBytes(testNonce);
        testSessionId = 0x123456789ABCDEF0L;
    }

    @Test
    @DisplayName("Should create transform header with correct size")
    void testTransformHeaderSize() {
        // When

        void testConstructorWithParameters() {
            int[] hashAlgos = { PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512 };
            byte[] salt = new byte[32];
            new SecureRandom().nextBytes(salt);

            context = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, salt);

            assertEquals(PreauthIntegrityNegotiateContext.NEGO_CTX_PREAUTH_TYPE, context.getContextType());

    for (i in s.indices) {
      assertRoundTrip(s.substring(0, i).encodeUtf8())
    }
    val random = Random(123456789L)
    val buf = ByteArray(4096)
    random.nextBytes(buf)
    assertRoundTrip(buf.toByteString())
  }

  private fun assertRoundTrip(data: ByteString) {
    val encodeBuffer = Buffer()
    encode(data, encodeBuffer)

            } else {
                // NTLM2 Session Response

                final byte[] clientChallenge = new byte[24];
                tc.getConfig().getRandom().nextBytes(clientChallenge);
                java.util.Arrays.fill(clientChallenge, 8, 24, (byte) 0x00);

                final byte[] ntlm2Response = NtlmUtil.getNTLM2Response(passwordHash, type2.getChallenge(), clientChallenge);

    assertThat(actual).isEqualTo(expected)
  }

  companion object {
    private fun binaryData(length: Int): ByteString {
      val junk = ByteArray(length)
      Random(0).nextBytes(junk)
      return junk.toByteString()
    }
  }

        case 4:
        case 5:
            // NTLMv2 - secure
            if (this.clientChallenge == null) {
                this.clientChallenge = new byte[8];
                tc.getConfig().getRandom().nextBytes(this.clientChallenge);
            }
            return NtlmUtil.getLMv2Response(this.domain, this.username, getPasswordAsCharArray(), chlng, this.clientChallenge);
        default:

  }

  public void testString() {
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];
      random.nextBytes(bytes);
      String s = new String(bytes, UTF_16LE); // so all random strings are valid
      assertEquals(
          new Sink(4).putUnencodedChars(s).hash(),
          new Sink(4).putBytes(s.getBytes(UTF_16LE)).hash());

    private static final int LEASE_KEY_SIZE = 16;

    /**
     * Create a new random lease key
     */
    public Smb2LeaseKey() {
        this.key = new byte[LEASE_KEY_SIZE];
        RANDOM.nextBytes(this.key);
    }

    /**
     * Create a lease key from existing bytes
     *
     * @param key 16-byte array
     * @throws IllegalArgumentException if key is not 16 bytes
     */

    hasher.assertBytes(new byte[] {1, 2});
  }

  public void testString() {
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];
      random.nextBytes(bytes);
      String s = new String(bytes, UTF_16LE); // so all random strings are valid
      assertEquals(
          new TestHasher().putUnencodedChars(s).hash(),

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockContext.getConfig()).thenReturn(mockConfig);

        testFileId = new byte[16];
        new SecureRandom().nextBytes(testFileId);
        outputBuffer = new byte[4096];
        request = new Smb2ReadRequest(mockConfig, testFileId, outputBuffer, 0);
    }

    @Nested
    @DisplayName("Constructor Tests")