Read Bruce Schneier's Applied Cryptography was Re: One more time, SSL vs GPG

[Shae Matijs Erisson]

"S. Alexander Jacobson" <alex at alexjacobson.com> writes:

> GPG secures documents, not interactions.
> SSL secures interactions, not documents
> Hackage is an interaction not a document.
> Therefore, SSL can secure Hackage, but GPG can't.

I suggest you read Bruce Schneier's book Applied Cryptography. 
I hope that will unconfuse you.
For more information on the book -  http://schneier.com/book-applied.html
It's an excellent book, I read it when I had a job implementing RFC3161.
-- 
It seems I've been living two lives. One life is a self-employed web developer
In the other life, I'm shapr, functional programmer.  | www.ScannedInAvian.com
One of these lives has futures (and subcontinuations!)|  --Shae Matijs Erisson