[Resource Topic] 2008/177: Algebraic Techniques in Differential Cryptanalysis

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Title:
Algebraic Techniques in Differential Cryptanalysis

Authors: Martin Albrecht, Carlos Cid

Abstract:

In this paper we propose a new cryptanalytic method against block ciphers, which combines both algebraic and statistical techniques. More specifically, we show how to use algebraic relations arising from differential characteristics to speed up and improve key-recovery differntial attacks against block ciphers. To illustrate the new technique, we apply algebraic techniques to mount differential attacks against round reduced variants of Present-128.

ePrint: https://eprint.iacr.org/2008/177

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