def is_certificate_valid(stream, cert):
        """Default certificate verification callback for TLS connections.

        :Parameters:
            - `cert`: certificate information
        :Types:
            - `cert`: `CertificateData`

        :return: computed verification result.
        """
        try:
            logger.debug("tls_is_certificate_valid(cert = {0!r})".format(cert))
            if not cert:
                logger.warning("No TLS certificate information received.")
                return False
            if not cert.validated:
                logger.warning("TLS certificate not validated.")
                return False
            srv_type = stream.transport._dst_service # pylint: disable=W0212
            if cert.verify_server(stream.peer, srv_type):
                logger.debug(" tls: certificate valid for {0!r}"
                                                        .format(stream.peer))
                return True
            else:
                logger.debug(" tls: certificate not valid for {0!r}"
                                                        .format(stream.peer))
                return False
        except:
            logger.exception("Exception caught while checking a certificate")
            raise
def is_certificate_valid(stream, cert):
        """Default certificate verification callback for TLS connections.

        :Parameters:
            - `cert`: certificate information
        :Types:
            - `cert`: `CertificateData`

        :return: computed verification result.
        """
        try:
            logger.debug("tls_is_certificate_valid(cert = {0!r})".format(cert))
            if not cert:
                logger.warning("No TLS certificate information received.")
                return False
            if not cert.validated:
                logger.warning("TLS certificate not validated.")
                return False
            srv_type = stream.transport._dst_service # pylint: disable=W0212
            if cert.verify_server(stream.peer, srv_type):
                logger.debug(" tls: certificate valid for {0!r}"
                                                        .format(stream.peer))
                return True
            else:
                logger.debug(" tls: certificate not valid for {0!r}"
                                                        .format(stream.peer))
                return False
        except:
            logger.exception("Exception caught while checking a certificate")
            raise
def is_certificate_valid ( stream , cert ) : try : logger . debug ( "tls_is_certificate_valid(cert = {0!r})" . format ( cert ) ) if not cert : logger . warning ( "No TLS certificate information received." ) return False if not cert . validated : logger . warning ( "TLS certificate not validated." ) return False srv_type = stream . transport . _dst_service # pylint: disable=W0212 if cert . verify_server ( stream . peer , srv_type ) : logger . debug ( " tls: certificate valid for {0!r}" . format ( stream . peer ) ) return True else : logger . debug ( " tls: certificate not valid for {0!r}" . format ( stream . peer ) ) return False except : logger . exception ( "Exception caught while checking a certificate" ) raise
Default certificate verification callback for TLS connections.

        :Parameters:
            - `cert`: certificate information
        :Types:
            - `cert`: `CertificateData`

        :return: computed verification result.
Default certificate verification callback for TLS connections .