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Springer, Lecture Notes in Computer Science, p. 35-54, 2011

DOI: 10.1007/978-3-642-21702-9_3

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Multiple Differential Cryptanalysis: Theory and Practice

Journal article published in 2011 by Céline Blondeau, Benoît Gérard
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

20 pages ; International audience ; Differential cryptanalysis is a well-known statistical attack on block ciphers. We present here a generalisation of this attack called multiple differential cryptanalysis. We study the data complexity, the time complexity and the success probability of such an attack and we experimentally validate our formulas on a reduced version of PRESENT. Finally, we propose a multiple differential cryptanalysis on 18-round PRESENT for both 80-bit and 128-bit master keys.