Originall written in 2004, here you will find one of the most extensive HowTo's available for GnuPG. It truly is a 'soup to nuts' overview.

This documents explains how to use the GNU Privacy Guard (GnuPG), an Open Source OpenPGP compatible encryption system. To keep this program totally free the use of the RSA algorithm and other patented algorithm has been avoided. The document was originally written by Michael Fischer v. Mollar in German.

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