Essays on PGP
Here are links to some stuff I've written on PGP:
Author's preface to
the book: "PGP Source Code and Internals"
Beware of Snake
Why I Wrote
No Regrets About Developing PGP
5 June 2001 PGP Marks 10th Anniversary
6 June 2021 PGP Marks 30th Anniversary
John Perry Barlow's Foreword to
the book: "The Official PGP User's Guide"