Article · Bulletin of the National Engineering Academy of the Republic of Kazakhstan · September 15, 2022
Algebraic methods for generating optimal s-blocks
Yerzhan N. Seitkulov, R. M. Ospanov, B. B. Yergaliyeva, A. Akhmediyarova
Abstract
The paper presents a review of algebraic methods for generating cryptographic S-boxes. In this paper, we consider methods for generating S-boxes based on the use of polynomial transformations (linear, quadratic, cubic), fractional linear transformations, and other special types of algebraic transformations. A number of examples of generating S-boxes using quasigroups and other algebraic structures are also given. The considered methods for generating S-boxes make it possible to obtain new S-boxes that have the necessary cryptographic properties that are the same or even better than those of the S-box built for the Rijndael algorithm.
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