Episode 047 - OpenPGP

In this episode: a discussion of OpenPGP, GnuPG, and how to use
public-key cryptography to sign and encrypt emails and files
(here are some excellent how-to's: GnuPG mini Howto, Gentoo
Documentation on GnuPG, and Ubuntu Documentation on GnuPG); an
audio Listener Tip on the "cal" command; audio and email Listener
Feedback.