PGP & GPG: Email for the Practical Paranoid by Michael W. Lucas
English | 28 Apr. 2006 | ISBN: 1593270712 | 216 Pages | PDF | 3 MB
OpenPGP is the most widely used email encryption standard in the world. It is based on PGP (Pretty Good Privacy) as originally developed by Phil Zimmermann. The OpenPGP protocol defines standard formats for encrypted messages, signatures, and certificates for exchanging public keys.