SERPENT A Candidate Block Cipher for the Advanced Encryption Standard Serpent is a 128-bit block cipher designed by Ross Anderson, Eli Biham and Lars Knudsen as a candidate for the Advanced Encryption Standard. It was a finalist in the AES competition. The winner, Rijndael, got 86 votes at the last AES conference while Serpent got 59 votes, Twofish 31 votes, RC6 23 votes and MARS 13 votes. So ...

The MARS cipher - IBM submission to AES MARS is now available worldwide under a royalty-free license from Tivoli. Read the press release or contact Ron Silletti at 914-765-4373 for more details. May 19, 2000: Here is the latest version of our final comments (in MS word, PDF, or Postscript format). Also, here are two technical notes: one about linear analysis (postscript/pdf) and the other about ...