SMBUtil.writeInt2(8, buffer, 58); // Security buffer length

        // Add some dummy security data at offset 64 from start
        buffer[64] = (byte) 0x4E; // NTLMSSP signature start
        buffer[65] = (byte) 0x54;
        buffer[66] = (byte) 0x4C;
        buffer[67] = (byte) 0x4D;
        buffer[68] = (byte) 0x53;
        buffer[69] = (byte) 0x53;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        testMacSigningKey = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
    }

    @Test
    @DisplayName("Test constructor with MAC signing key and bypass flag")
    void testConstructorWithBypass() {

            try (MockedStatic<Smb3KeyDerivation> mockedKeyDerivation = mockStatic(Smb3KeyDerivation.class)) {
                byte[] derivedKey = new byte[16];
                Arrays.fill(derivedKey, (byte) 0xDD);
                mockedKeyDerivation.when(
                        () -> Smb3KeyDerivation.deriveSigningKey(eq(Smb2Constants.SMB2_DIALECT_0302), any(byte[].class), any(byte[].class)))

    assertThat(hpackWriter!!.headerCount).isEqualTo(1)
    hpackWriter!!.writeHeaders(headerEntries("foo", "bar1"))
    assertBytes(0x7e, 4, 'b'.code, 'a'.code, 'r'.code, '1'.code)
    assertThat(hpackWriter!!.headerCount).isEqualTo(2)
    hpackWriter!!.writeHeaders(headerEntries("foo", "bar1"))
    assertBytes(0xbe)
    assertThat(hpackWriter!!.headerCount).isEqualTo(2)
  }

            assertEquals((byte) 0x2B, ServerMessageBlock.SMB_COM_ECHO);
            assertEquals((byte) 0x2D, ServerMessageBlock.SMB_COM_OPEN_ANDX);
            assertEquals((byte) 0x2E, ServerMessageBlock.SMB_COM_READ_ANDX);
            assertEquals((byte) 0x2F, ServerMessageBlock.SMB_COM_WRITE_ANDX);
            assertEquals((byte) 0x32, ServerMessageBlock.SMB_COM_TRANSACTION2);

     * This is an enhanced version of Connect2 with additional parameters.
     */
    public static class SamrConnect4 extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x3e;
        }

        /** The return value of the operation */
        public int retval;
        /** The NetBIOS name of the server to connect to */
        public String system_name;

     * This is an enhanced version of Connect2 with additional parameters.
     */
    public static class SamrConnect4 extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x3e;
        }

        /** The return value of the operation */
        public int retval;
        /** The NetBIOS name of the server to connect to */
        public String system_name;

      // TODO(cpovirk): Use SourceCodeEscapers if it is added to Guava.
      StringBuilder escapedInput = new StringBuilder();
      for (char c : input.toCharArray()) {
        if (c >= 0x20 && c <= 0x7E) {
          escapedInput.append(c);
        } else {
          escapedInput.append(String.format("\\u%04x", (int) c));
        }
      }

     * LSA query information policy version 2 message.
     */
    public static class LsarQueryInformationPolicy2 extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x2e;
        }

        /** Return value from the RPC call. */
        public int retval;
        /** Policy handle for the query. */
        public rpc.policy_handle handle;

      // TODO(cpovirk): Use SourceCodeEscapers if it is added to Guava.
      StringBuilder escapedInput = new StringBuilder();
      for (char c : input.toCharArray()) {
        if (c >= 0x20 && c <= 0x7E) {
          escapedInput.append(c);
        } else {
          escapedInput.append(String.format("\\u%04x", (int) c));
        }
      }