Cryptography is the art of creating and using cryptosystems. Cryptosystems are methods of rendering messages such that only a select group of people may read them in the original form. This category contains sites related to cryptography, as well as cryptanalysis (the art of breaking cryptosystems). Password Recovery@ (12) 1. A Cryptographic Compendium - Outline of the various types of cipher systems that have been used historically and the relationships between them. 2. An Overview of Cryptography by Gary C. Kessler - Defines cryptographic terms and concepts, offers crypto scheme comparison, and provides some real world examples. 3. CryptoMX Tools - Set of cryptography tools written entirely in JavaScript, designed to work on any computer with a JavaScript capable browser. 4. Cryptonomicon - Cryptography related articles, downloads, news, links and discussions. 5. Frode Weierud's Cryptology Page - History of cryptography, cipher machines and their simulation, cryptanalysis and other code breaking techniques. 6. Why Cryptography Is Harder Than It Looks - Essay on pitfalls of implementing and using secure systems. 7. Adam Back's Homepage: Cypherspace - Find information on some cryptanalytic hacks, breaking weak cryptosystems and links to more cryptography related websites. 8. Choosing a Good Password - Tips on choosing a difficult to crack password and pitfalls in password selection. 9. Coderpunks - Little sister of the cypherpunk mailing list. Discussion of implementations of strong, robust cryptosystems. 10. Crypto Machines - Features machines and systems used in secure communications. Includes brief history on cryptography. 11. Crypto-Gram - Free monthly email newsletter covering developments in cryptography and other computer security issues. 12. Cryptography FAQ - Ten part FAQ list that is essential reading for any newcomer to cryptography. 13. Cryptography World - Introduction to cryptography, including concepts, key management and application. 14. Cyphernomicon - Tim May's CryptoNotes, and an introduction to the Cypherpunks. 15. Deschall - Articles describing the first crack of a DES-encrypted message, with some source code and mailing list archives. 16. Handbook of Applied Cryptography - Reference work available for free download (with restrictions) from the Web. 17. International Association for Cryptologic Research (IACR) - Non-profit scientific organisation intended to further research in cryptology. 18. International Cryptography Freedom - Links to cryptography related downloads and information from around the world. 19. MD5 Reverse Lookup - Project to record and search for mappings of MD5 hashes to their original messages. 20. Randomness and the Netscape Browser - Article about cracking the original Netscape encryption algorithm, and links to resources for generating crypto strength randomness. 21. RSA - Hacking and Cracking - Discusses security problems and possible attacks against the RSA cryptosystem. 22. Snake Oil FAQ - Guide to evaluating the quality and fitness for purpose of cryptography tools. 23. Standard Cryptographic Algorithm Naming - Provides references for a collection of cryptographic algorithms, assigning each an ASCII name and zero or more aliases. 24. Strong Cryptography Links on the Internet - Dealing with cryptography, information security, cryptographers government, commercial, university, and personal sites, newsgroups, publications, programs and applications. 25. The Cipher Challenge - History of a code cracking competition. Challenge details, how it was solved, winners, essays and photo gallery. 26. The Munitions Maker Graphic - Campaign to distribute image (rsa2d.gif) in protest of ITAR regulations that treat encryption as munitions.

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