GnuPG site's SSL cert info. Using SSL is needed when using any Proxy ([diff](https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/GnuPG?action=diff&version=45)) URL: https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/GnuPG?version=45