On Wed, 11 Sep 2013, Jay Kline wrote:

> On Wed, Sep 11, 2013 at 8:50 AM, Michael Greenly <mgreenly at gmail.com> wrote:
>> S/Mime uses a centralized certificate authority.  PGP/GPG is 
>> decentralized.  There's no question that PGP/GPG is preferable over 
>> S/Mime because of this
> S/MIME and GPG/GPG use the same crypto.

What do they use?  Is it very strong?