SmbException ex = null;
        SSPContext ctx = null;
        byte[] token = negoResp.getSecurityBlob();
        final int securityMode =
                (negoResp.getSecurityMode() & Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED) != 0 || trans.isSigningEnforced()
                        ? Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED
                        : Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED;