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. © 2011 International Association for Cryptologic Research.
CITATION STYLE
Bouillaguet, C., Derbez, P., & Fouque, P. A. (2011). Automatic search of attacks on round-reduced AES and applications. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6841 LNCS, pp. 169–187). Springer Verlag. https://doi.org/10.1007/978-3-642-22792-9_10
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