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Differential Forgery Attack against LAC

Abstract : LAC is one of the candidates to the CAESAR competition. In this note we present a differential forgery attack on LAC. We show that some differentials have a probability higher than 2^-64, using a collection of characteristics in order to evaluate a lower bound on the probability of a differential. This allows a forgery attack on the full LAC. This work illustrates the difference between the probability of differentials and characteristics.
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Conference papers
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https://hal.inria.fr/hal-01094140
Contributor : Gaëtan Leurent <>
Submitted on : Thursday, December 11, 2014 - 4:53:16 PM
Last modification on : Thursday, March 5, 2020 - 4:54:17 PM

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  • HAL Id : hal-01094140, version 1

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Gaëtan Leurent. Differential Forgery Attack against LAC. DIAC 2014, Aug 2014, Santa Barbara, United States. ⟨hal-01094140⟩

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