*/
    int getMaximumBufferSize () throws CIFSException;


    /**
     * @return whether the session uses SMB signing
     * @throws CIFSException
     * @throws SmbException
     */
    boolean areSignaturesActive () throws CIFSException;


    /**
     * Internal/testing use only
     * 
     * @return attached session
     */
    SmbSession getSession ();

                this.readSize = Math.min(th.getConfig().getReceiveBufferSize() - 70, th.areSignaturesActive() ? 0xFFFF - 70 : 0xFFFFFF - 70);
            }

            // there seems to be a bug with some servers that causes corruption if using signatures + CAP_LARGE_WRITE
            if ( th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive() ) {

              SmbTransportImpl transport = session.getTransport() ) {
            return transport.getNegotiateResponse().getTransactionBufferSize();
        }
    }


    @Override
    public boolean areSignaturesActive () throws SmbException {
        try ( SmbSessionImpl session = this.treeConnection.getSession();
              SmbTransportImpl transport = session.getTransport() ) {

        if ( th.hasCapability(SmbConstants.CAP_LARGE_READX) ) {
            this.largeReadX = true;
            this.readSizeFile = Math.min(th.getConfig().getReceiveBufferSize() - 70, th.areSignaturesActive() ? 0xFFFF - 70 : 0xFFFFFF - 70);
            log.debug("Enabling LARGE_READX with " + this.readSizeFile);
        }
        else {
            log.debug("LARGE_READX disabled");

        }

        // there seems to be a bug with some servers that causes corruption if using signatures +
        // CAP_LARGE_WRITE
        if ( th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive() ) {
            this.writeSizeFile = Math.min(th.getConfig().getSendBufferSize() - 70, 0xFFFF - 70);
        }
        else {
            log.debug("No support or SMB signing is enabled, not enabling large writes");