For example, you can generate public and private keys from Keybase, a PGP key database. On Keybase, you can also encrypt and decrypt messages and view the public keys of other PGP users.

Late Friday, last week, Google announced a new tool for security-minded users, called E2EMail, a Chrome extension that simplifies the installation of PGP encryption for Gmail.

Creating your key Fire up Seahorse and click the + button to create a new key. From the popup, select PGP Key and click Continue (Figure A). Figure A ...

If you want to see if it’s available for your account, head to your Facebook settings, look for the contact info section and you should see the option to add a PGP public key.

Some Facebook users should soon be able to receive encrypted emails from the social networking site if they add PGP public keys to their profiles.