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A Cryptographic Compendium
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Outline of the various types of cipher systems that have been used historically and the relationships between them.
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Adam Back's Homepage: Cypherspace
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Find information on some cryptanalytic hacks, breaking weak cryptosystems and links to more cryptography related websites.
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AES Algorithm (Rijndael) Information
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Information on the AES algorithm (Rijndael) is available, including test values, intellectual property (IP) statements, and specifications.
Please note that these pages are included for historical reference only.
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An Overview of Cryptography
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Defines cryptographic terms and concepts, offers crypto scheme comparison, and provides some real world examples.
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Caesar cipher
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The action of a Caesar cipher is to replace each plaintext letter with one a fixed number of places down the alphabet. This example is with a shift of three, so that a B in the plaintext becomes E in the ciphertext.
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Choosing a Good Password
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Tips on choosing a difficult to crack password and pitfalls in password selection.
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Coderpunks
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Little sister of the cypherpunk mailing list. Discussion of implementations of strong, robust cryptosystems.
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Crypto Machines
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Features machines and systems used in secure communications. Includes brief history on cryptography.
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