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6. Sources of information

6.1 GnuPG

• The GnuPG Homepage
• The GnuPG Mailinglist, including archives and descriptions on the GnuPG Homepage.
• The information enclosed in the GnuPG project (updated until version 0.9.2), however not yet very extenisvely done. And not to forget:

  gpg --help 
  

  This is very valuable information.

6.2 PGP

PGP is the older and (still) widely spread and used cryptography program. Through the years a lot of documents have been made. This can be considered as very usefull information. A lot of that information is so general that you can apply that to GnuPG as well. Check out the following URLs for these documents:

• The Internationale PGP Homepage
• The PGP DH vs. RSA FAQ has information on the differences of these two algorithms. These are the two algorithms used by GnuPG.

6.3 Keyservers

• Keyserver.net
• http://wwwkeys.eu.pgp.net

6.4 Books

• B. Schneier, "Applied Cryptography, Second Edition", Wiley, 1996 Deutsche Ausgabe unter dem Titel "Angewandte Kryptographie", Addison-Wesley, 1996