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Paper: On Algebraic Relations of Serpent S-Boxes

Authors:
Bhupendra Singh
Lexy Alexander
Sanjay Burman
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URL: http://eprint.iacr.org/2009/038
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Abstract: Serpent is a 128-bit block cipher designed by Ross Anderson, Eli Biham and Lars Knudsen as a candidate for the Advanced Encryption Standard (AES). It was a finalist in the AES competition. The winner, Rijndael, got 86 votes at the last AES conference while Serpent got 59 votes [1]. The designers of Serpent claim that Serpent is more secure than Rijndael.In this paper we have observed that the nonlinear order of all output bits of serpent S-boxes are not 3 as it is claimed by the designers.
BibTeX
@misc{eprint-2009-18237,
  title={On Algebraic Relations of Serpent S-Boxes},
  booktitle={IACR Eprint archive},
  keywords={secret-key cryptography /},
  url={http://eprint.iacr.org/2009/038},
  note={Not published elsewhere scientistbsingh@gmail.com 14268 received 21 Jan 2009, last revised 24 Jan 2009},
  author={Bhupendra Singh and Lexy Alexander and Sanjay Burman},
  year=2009
}