In this chapter, we'll explore the steps required to add a digital signature to a package, using the software known as Pretty Good Privacy, or PGP. If you've used PGP before, you probably know everything you'll need to start signing packages in short order.
On the other hand, if you feel you need a bit more information on PGP
before starting, please refer to Appendix ![[*]](crossref.png)
on page
for a brief introduction. Once you feel comfortable
with PGP, come on back and learn how easy signing packages is...