Launchpad-Getkeys is a script (comes packaged in a .deb) that automatically imports all missing GPG keys, even if you're behind a firewall.
How do you know when you have a missing GPG key? Here's an example: when you run "sudo apt-get update", you'll see some errors like this:
Fetched 47.0kB in 6s (7,710B/s)
Reading package lists... Done
This post is just a short summary of some updated packages in the WebUpd8 PPAs.
Seahorse is a Gnome front end for GnuPG - the Gnu Privacy Guard program. It is a tool for secure communications and data storage. Data encryption and digital signature creation can easily be performed through a GUI and Key Management operations can easily be carried out through an intuitive interface.
Encrypt and digitally sign your mails with GPG, Thunderbird and Enigmail on Ubuntu 8.04. If you don’t know, what GPG is, read the introduction from the GPG mini Howto, it won’t take long.
Install Thunderbird and Enigmail, start Thunderbird and create or add an email address. For the following operations, navigate to: OpenPGP -> Key Management