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JOURNALS // Prikladnaya Diskretnaya Matematika. Supplement // Archive

Prikl. Diskr. Mat. Suppl., 2012 Issue 5, Pages 58–60 (Mi pdma52)

Mathematical Methods of Cryptography and Steganography

Optimal linear approximations for Feistel networks. Estimation for the resistance of the cipher SMS4 to linear cryptanalysis

G. I. Shushuev

Mechanics and Mathematics Department, Novosibirsk State University, Novosibirsk

Abstract: An approach to obtain the best linear approximations for Feistel networks is proposed. The resistance of the cipher SMS4 to linear cryptanalysis is investigated.

UDC: 519.7



© Steklov Math. Inst. of RAS, 2024