http://omgulpderyhggjbaksgcccvjk76yvbp5rsnm4uos2mqfe5iv765q.b32.i2p/articles/what-is-gpg
What is GPG / PGP and how do I use it?In this article, we explain the basics of GnuPG (GPG), including what it's used for, the difference between a public and a private key, how to generate a key