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Accession number:  05068829804

Title:  New system of multivariate quadratic equations for Rijndael

Authors:  Li, Na; Chen, Wei-Hong  

Author affiliation:  Dept. of Appl. Math., Info. Eng. Inst., Info. Eng. Univ., Zhengzhou 450002, China

Serial title:  Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology

Abbreviated serial title:  Dianzi Yu Xinxi Xuebao

Volume:  v 26

Issue:  n 12

Issue date:  December 2004

Publication year:  2004

Pages:  p 1990-1995

Language:  Chinese

ISSN:  1009-5896

CODEN:  DKXUEC

Document type:  Journal article (JA)

Publisher:  Science Press, Beijing, China

Abstract:  Because the algebraic expression of Rijndael S box is a composition of the converse function with a q-polynomial over GF(28), in this paper the variables of S box are supposed rationally and the relations between these variables are analyzed, then a new system of multivariate quadratic equations over GF(28) are used to describe completely Rijndael, the cryptanalysis of Rijndael can be written as a problem of solving the system of multivariate quadratic equations. This system is simpler than Murphy and Robshaw's, and has a lower complexity while applying XSL technique.

Number of references:  4

Database:  Compendex

   Compilation and indexing terms, © 2008 Elsevier Inc.
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