gpgp | GNOME front-end to GnuPG - a free PGP replacement | Mehr ...
gpgp is a GNOME graphical user interface application for the GNU encryption and signing tool gnupg. . More information can be found at the gpgp web site at http://www.geocities.com/SiliconValley/Chip/3708/gpgp/gpgp.html . Note that the upstream is not very active. You may like another gnupg frontend such as gpa or seahorse.