Essay on pitfalls of implementing and using secure systems.

Campaign to distribute image (rsa2d.gif) in protest of ITAR regulations that treat encryption as munitions.

History of a code cracking competition. Challenge details, how it was solved, winners, essays and photo gallery.

Dealing with cryptography, information security, cryptographers government, commercial, university, and personal sites, newsgroups, publications, programs and applications.

Provides references for a collection of cryptographic algorithms, assigning each an ASCII name and zero or more aliases.

Guide to evaluating the quality and fitness for purpose of cryptography tools.

Discusses security problems and possible attacks against the RSA cryptosystem.

Article about cracking the original Netscape encryption algorithm, and links to resources for generating crypto strength randomness.

Links to cryptography related downloads and information from around the world.

Non-profit scientific organisation intended to further research in cryptology.