About PGP Signing a File.

[John L Fjellstad]

Ouattara Oumar Aziz <wattazoum at gmail.com> writes:

> That's why, when I see some people on some mailing list signing there 
> mail using PGP I just wonder what they want to prove. We have no way to 
> check the authority behind that key.

Authority has nothing to do with (unless you know the person).  But you
can be sure that the person who claims he wrote an email yesterday is
the same person who wrote the email today if the signature match.

-- 
John L. Fjellstad
web: http://www.fjellstad.org/          Quis custodiet ipsos custodes