Christof Beierle, Patrick Felke, Gregor Leander, Patrick P. Neumann, Lukas Stennes. On Perfect Linear Approximations and Differentials over Two-Round SPNs. In Helena Handschuh, Anna Lysyanskaya, editors, Advances in Cryptology - CRYPTO 2023 - 43rd Annual International Cryptology Conference, CRYPTO 2023, Santa Barbara, CA, USA, August 20-24, 2023, Proceedings, Part III. Volume 14083 of Lecture Notes in Computer Science, pages 209-239, Springer, 2023. [doi]
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