Note 56

This article determines changing PGP 2.x with GnuPG. It described in both technical and theory. In sum, it is cool and nice.

Reference

Hasselbacher, K 1999, Replacing PGP 2.x with GnuPG, last updated n.a., palce of publishing n.a., viewed 30 April 2007, <http://www.gnupg.org/gph/en/pgp2x.html>