Group, with mailing list, that is interested in privacy and cryptography.

Articles describing the first crack of a DES-encrypted message, with some source code and mailing list archives.

History of cryptography, cipher machines and their simulation, cryptanalysis and other code breaking techniques.

Reference work available for free download (with restrictions) from the Web.

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

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

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

Discusses security problems and possible attacks against the RSA cryptosystem.

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

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