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Conference papers

Automatic Search of Attacks on Round-Reduced AES and Applications

Charles Bouillaguet 1 Patrick Derbez 2 Pierre-Alain Fouque 2
2 CASCADE - Construction and Analysis of Systems for Confidentiality and Authenticity of Data and Entities
DI-ENS - Département d'informatique - ENS Paris, Inria Paris-Rocquencourt, CNRS - Centre National de la Recherche Scientifique : UMR 8548
Abstract : In this paper, we describe versatile and powerful algorithms for searching guess-and-determine and meet-in-the-middle attacks on byte-oriented symmetric primitives. To demonstrate the strengh of these tool, we show that they allows to automatically discover new attacks on round-reduced AES with very low data complexity, and to find improved attacks on the AES-based MACs Alpha-MAC and Pelican-MAC, and also on the AES-based stream cipher LEX. Finally, the tools can be used in the context of fault attacks. These algorithms exploit the algebraically simple byte-oriented structure of the AES. When the attack found by the tool are practical, they have been implemented and validated.
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Submitted on : Wednesday, January 28, 2015 - 10:33:32 AM
Last modification on : Friday, January 21, 2022 - 3:15:12 AM

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Charles Bouillaguet, Patrick Derbez, Pierre-Alain Fouque. Automatic Search of Attacks on Round-Reduced AES and Applications. CRYPTO 2011 - 31st Annual Cryptology Conference, Aug 2011, Santa Barbara, CA, United States. pp.169-187, ⟨10.1007/978-3-642-22792-9_10⟩. ⟨hal-01110414⟩



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