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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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Find information on some cryptanalytic hacks, breaking weak cryptosystems and links to more cryptography related websites.
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Defines cryptographic terms and concepts, offers crypto scheme comparison, and provides some real world examples.
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Tips on choosing a difficult to crack password and pitfalls in password selection.
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Little sister of the cypherpunk mailing list. Discussion of implementations of strong, robust cryptosystems.
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Features machines and systems used in secure communications. Includes brief history on cryptography.
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Free monthly email newsletter covering developments in cryptography and other computer security issues.
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Set of cryptography tools written entirely in JavaScript, designed to work on any computer with a JavaScript capable browser.
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Ten part FAQ list that is essential reading for any newcomer to cryptography.
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Introduction to cryptography, including concepts, key management and application.
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Cryptography related articles, downloads, news, links and discussions.
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Tim May's CryptoNotes, and an introduction to the Cypherpunks.
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Group, with mailing list, that is interested in privacy and cryptography.
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Articles describing the first crack of a DES-encrypted message, with some source code and mailing list archives.
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History of cryptography, cipher machines and their simulation, cryptanalysis and other code breaking techniques.
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The online version of the 1996 CRC book by Menezes, van Oorschot and Vanstone (5th edition) in PostScript and PDF formats.
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Non-profit scientific organisation intended to further research in cryptology.
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Links to cryptography related downloads and information from around the world.
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Project to record and search for mappings of MD5 hashes to their original messages.
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Discusses security problems and possible attacks against the RSA cryptosystem.
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Article about cracking the original Netscape encryption algorithm, and links to resources for generating crypto strength randomness.
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Guide to evaluating the quality and fitness for purpose of cryptography tools.
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Provides references for a collection of cryptographic algorithms, assigning each an ASCII name and zero or more aliases.
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Dealing with cryptography, information security, cryptographers government, commercial, university, and personal sites, newsgroups, publications, programs and applications.
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History of a code cracking competition. Challenge details, how it was solved, winners, essays and photo gallery.
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Campaign to distribute image (rsa2d.gif) in protest of ITAR regulations that treat encryption as munitions.
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Essay on pitfalls of implementing and using secure systems.
