A Cryptographic Compendium « http://www.quadibloc.com/crypto/intro.htm | | Outline of the various types of cipher systems that have been used historically and the relationships between them. |
Adam Back's Homepage: Cypherspace « http://cypherspace.org/adam/ | | Find information on some cryptanalytic hacks , breaking weak cryptosystems and links to more cryptography related websites. |
An Overview of Cryptography by Gary C. Kessler « http://www.garykessler.net/library/crypto.html | | Defines cryptographic terms and concepts , offers crypto scheme comparison , and provides some real world examples. |
Choosing a Good Password « http://www.cs.umd.edu/faq/Passwords.shtml | | Tips on choosing a difficult to crack password and pitfalls in password selection. |
Coderpunks « http://home.att.net/~lewis.mccarthy/InfosecProjects/Coderpunks/ | | Little sister of the cypherpunk mailing list. discussion of implementations of strong , robust cryptosystems. |
Crypto Machines « http://www.jproc.ca/crypto/ | | Features machines and systems used in secure communications. includes brief history on cryptography. |
Crypto-Gram « http://www.counterpane.com/crypto-gram.html | | Free monthly email newsletter covering developments in cryptography and other computer security issues. |
Cryptography FAQ « http://www.faqs.org/faqs/cryptography-faq/ | | Ten part faq list that is essential reading for any newcomer to cryptography. |
Cryptography World « http://www.cryptographyworld.com | | Introduction to cryptography , including concepts , key management and application. |
CryptoMX Tools « http://cryptomx.sourceforge.net | | Set of cryptography tools written entirely in javascript , designed to work on any computer with a javascript capable browser. |
Cryptonomicon « http://www.cryptonomicon.net/ | | Cryptography related articles , downloads , news , links and discussions. |
Cyphernomicon « http://www2.pro-ns.net/~crypto/cyphernomicon.html | | Tim may's cryptonotes , and an introduction to the cypherpunks. |
Deschall « http://www.interhack.net/projects/deschall/ | | Articles describing the first crack of a des-encrypted message , with some source code and mailing list archives. |
Frode Weierud's Cryptology Page « http://frode.home.cern.ch/frode/crypto/ | | History of cryptography , cipher machines and their simulation , cryptanalysis and other code breaking techniques. |
Handbook of Applied Cryptography « http://www.cacr.math.uwaterloo.ca/hac/ | | Reference work available for free download (with restrictions) from the web. |