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Useful Cryptographic Sites

General Cryptographic Sites
Peter Gutmann's Home Page - Very highly recommended.

Counterpane Internet Security - Bruce Schneier's crypto company. Home of the excellent Crypto-Gram newsletter.
Steve Henson's Web site - Henson is a British cryptographic consultant and member of the OpenSSL development team. His site has considerable useful crypto information, including details on the format of Netscape Navigator's certificate database.
Geoff Thorpe's Web site - Thorpe is a member of the OpenSSL development team. His site has useful crypto information, including Cryptlib info, swamp and tunala utilities.
Eric Rescorla's RTFM Site - Home of RTFM, Eric's book, SSL and TLS: Designing and Building Secure Systems, and ssldump, a very useful SSL utility.
RSA's Public-Key Cryptography Standards (PKCS) - The informal standards for cryptography on the 'Net, including key exchange / agreement, digital certificate syntax, digital envelopes, password-based encryption and more.

SSL/SSLeay/OpenSSL and Related Sites
OpenSSL - Our favorite open source cryptographic site.
SSLeay - Original open source SSL/Crypto project. Now defunct.
SSLeay Documentation - Best documentation for SSLeay/OpenSSL we have found to date.
Open Certificate Authority - Nice site if you want or need to run your own CA.
RSA Security, Inc. - Home of the dread RSA Encryption Algorithm.
Netscape - Creator's of SSL (not too active now).
SSLeay Certificate Cookbook.
Setting up a CA using free software.
Learning SSL the Hard Way.
Larry Mulcahy's SSL links - Nice Page of SSL links.

Crypto Source Code and Toolkits
A wonderful Russian Crypto Site Has many lost public-domain? crypto packages.

PGP, GPG and Related Sites
PGP FreewareGet the free PGP from MIT.
Gnu Privacy Guard Home of the GnuPG project and links to (so far, very sparse) documentation and other crypto sites.

Rules, More Rules and *Damn* Rules and Related Sites
US Government BXA export rules.

If you have any suggestions for additional links, find broken links, or find yourself listed and wish to be removed,
please let us know!

All links and HTML checked by as of 10-21-2010 18:17:31.