Cryptology ePrint Archive: Report 2009/606

On a weakness of the Tu-Deng function and its repair

Claude Carlet

Abstract: We observe that the function introduced by Z. Tu and Y. Deng in the ePrint Archive paper 2009/272 is weak against fast algebraic attacks. We propose an alternative function sharing all the properties of the Tu-Deng function but having not this weakness.

Category / Keywords: secret-key cryptography /

Date: received 8 Dec 2009

Contact author: claude carlet at inria fr

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Version: 20091209:221419 (All versions of this report)

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