An anonymous reader writes "This is a great article about GnuP . . . "In the first half of this article David Scribner discussed the various uses that GNU Privacy Guard could bring to your business or personal life in enhancing security of your digital documents and files, as well as the basics in getting started with GnuPG. As there is so much more to public-key security than command-line operations, in this second half I will continue with importing and exporting keys, building (and keeping) your 'web of trust' sound, and a few of the more popular GUI front ends available for GnuPG . . ."