Block cipher/External Links

Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.

FAQ documents

• RSA Laboratories' Frequently Asked Questions About Today's Cryptography, a good introduction but not up-to-date
• Index of cryptography FAQs with links to the ten parts of the main cryptography FAQ plus a few others

AES links

• NIST page, official page for the AES standard
• AES Lounge, extensive information, including tables of cryptanalytic results and links to hardware implementations
• Block Cipher Lounge page on AES
• software implementations from Helger Lipmaa
• software implementations from Brian Gladwin

Homepages for block ciphers

• Blowfish
• Twofish
• Serpent
• RC5 and RC6
• MARS
• Hasty Pudding
• TEA
• Camellia
• SEED
• LOKI97

RFCs for block ciphers

These RFCs give specifications for the block ciphers themselves.

• RFC 2040, RC5
• RFC 2144, CAST-128
• RFC 2612, CAST-256
• RFC 3713, Camellia
• RFC 4629, SEED

There are other RFCs covering block cipher modes of operation and how these ciphers should be used in protocols such as IPsec, Open PGP, SSL and SSH. For details, see the linked articles or use RFC search.

Online courses

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Indexes and literature surveys

The Block Cipher Lounge was once an excellent index of current research, with links to design papers and cryptanalytic results for all the well-known block ciphers. However, it is now out-of-date.

Literature surveys:

• A Report on Block Ciphers (Literature Survey), concentrating on Feistel ciphers, from the Indian National Aeronautics Lab
• Survey and benchmark of block ciphers for wireless sensor networks, partly literature survey and partly requirements analysis for wireless applications
• Cryptanalysis of Block Ciphers: A Survey by Standaert et al.
• S-Box Design: A Literature Survey from Terry Ritter