*/
    @Override
    public byte[] getServerEncryptionKey () {
        if ( this.negotiated == null ) {
            return null;
        }

        if ( this.negotiated instanceof SmbComNegotiateResponse ) {
            return ( (SmbComNegotiateResponse) this.negotiated ).getServerData().encryptionKey;
        }
        return null;
    }


    @Override

   * HTTPS.
   */
  fun handshake(): Handshake?

  /**
   * Returns the protocol negotiated by this connection, or [Protocol.HTTP_1_1] if no protocol
   * has been negotiated. This method returns [Protocol.HTTP_1_1] even if the remote peer is using
   * [Protocol.HTTP_1_0].
   */
  fun protocol(): Protocol

            }

            if (++mid == 32000) mid = 1;
            NEGOTIATE_REQUEST.mid = mid;
            int n = NEGOTIATE_REQUEST.encode( sbuf, 4 );
            Encdec.enc_uint32be( n & 0xFFFF, sbuf, 0 ); /* 4 byte ssn msg header */

            if (log.level >= 4) {
                log.println( NEGOTIATE_REQUEST );
                if (log.level >= 6) {
                    Hexdump.hexdump( log, sbuf, 4, n );

                log.error("Multiple preauth negotiate contexts");
                return false;
            }
        }

        if ( !foundPreauth ) {
            log.error("Missing preauth negotiate context");
            return false;
        }
        if ( !foundEnc && ( caps & Smb2Constants.SMB2_GLOBAL_CAP_ENCRYPTION ) != 0 ) {
            log.error("Missing encryption negotiate context");
            return false;

        this.ntlmsspFlags = this.ntlmsspFlags | NtlmFlags.NTLMSSP_REQUEST_TARGET | NtlmFlags.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
                | NtlmFlags.NTLMSSP_NEGOTIATE_128;
        if ( !auth.isAnonymous() ) {
            this.ntlmsspFlags |= NtlmFlags.NTLMSSP_NEGOTIATE_SIGN | NtlmFlags.NTLMSSP_NEGOTIATE_ALWAYS_SIGN | NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH;
        }
        else if ( auth.isGuest() ) {

     */
    public static final int NTLMSSP_NEGOTIATE_SIGN = 0x00000010;

    /**
     * Specifies that communication across the authenticated channel
     * should be encrypted (message confidentiality).
     */
    public static final int NTLMSSP_NEGOTIATE_SEAL = 0x00000020;

    /**
     * Indicates datagram authentication.
     */
    public static final int NTLMSSP_NEGOTIATE_DATAGRAM_STYLE = 0x00000040;

    /**

        super(tc.getConfig(), SMB_COM_SESSION_SETUP_ANDX, andx);
        this.negotiated = negotiated;
        this.capabilities = negotiated.getNegotiatedCapabilities();
        ServerData server = negotiated.getServerData();
        if ( server.security == SmbConstants.SECURITY_USER ) {
            if ( cred instanceof NtlmPasswordAuthenticator ) {
                NtlmPasswordAuthenticator a = (NtlmPasswordAuthenticator) cred;

    */
    public static final int NTLMSSP_NEGOTIATE_SIGN = 0x00000010;

    /**
    * Specifies that communication across the authenticated channel
    * should be encrypted (message confidentiality).
    */
    public static final int NTLMSSP_NEGOTIATE_SEAL = 0x00000020;

    /**
    * Indicates datagram authentication.
    */
    public static final int NTLMSSP_NEGOTIATE_DATAGRAM_STYLE = 0x00000040;

    /**

            }
        }
    }

    public void destroy() {
    }

    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    public void doFilter( ServletRequest request,
                ServletResponse response,

        if ( type1 == null )
            return getDefaultFlags(tc);
        int flags = NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_VERSION;
        int type1Flags = type1.getFlags();
        flags |= ( ( type1Flags & NTLMSSP_NEGOTIATE_UNICODE ) != 0 ) ? NTLMSSP_NEGOTIATE_UNICODE : NTLMSSP_NEGOTIATE_OEM;
        if ( ( type1Flags & NTLMSSP_REQUEST_TARGET ) != 0 ) {
            String domain = tc.getConfig().getDefaultDomain();