http://darknetsrvqlssdnli6mgoqxud4krgu3hqm62d7whu3gl6xj22fkyaid.onion/read/what-is-pgp-and-how-to-encrypt-messages
Without it, you’re like a soldier with no body armor. What is PGP? PGP (Pretty Good Privacy) is an asymmetric encryption system that allows you to: Encrypt messages. Digitally sign messages (proving it’s really you).