"With increasingly important communications taking place using
e-mail, the ability to verify the authenticity, and also protect
the contents, of such correspondence has become something that
everyone should know. However, the tools created to provide PGP
security are generally cryptic and difficult to work with.
"This how-to hopes to remove some of these barriers for those
interested in using the open source Gnu Privacy Guard tool ("GPG"
or "GnuPG" for short), which is a popular PGP-compatible encryption
software package. Most likely you already have GPG available on
your Linux system, so we can get started immediately without
detailing any setup instructions first..."