Prikladnaya Diskretnaya Matematika. Supplement
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Prikladnaya Diskretnaya Matematika. Supplement, 2022, Issue 15, Pages 73–77
DOI: https://doi.org/10.17223/2226308X/15/19 (Mi pdma584) 		 
Mathematical Methods of Cryptography

The difference relations and impossible differentials construction for the KB-256 algorithm

V. M. Fomichevabc, A. V. Kurochkinad, A. B. Chuhnoea

a "Security Code", Moscow
b Federal Research Center "Computer Science and Control" of Russian Academy of Sciences, Moscow
c Financial University under the Government of the Russian Federation, Moscow
d Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region
e National Research University "Higher School of Economics", Moscow
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DOI: https://doi.org/10.17223/2226308X/15/19
Abstract: In this paper, new results of the analysis of the KB 256-3 block cipher algorithm are outlined. We set up a difference relation with probability 1 for the six-round algorithm under study and propose a key recovery method using this difference relation for the nine-round KB 256-3 algorithm. We construct an impossible differential for the full-round algorithm.
Keywords: differential cryptanalysis, impossible differentials.
Document Type: Article
UDC: 519.17
Language: English
Citation: V. M. Fomichev, A. V. Kurochkin, A. B. Chuhno, “The difference relations and impossible differentials construction for the KB-256 algorithm”, Prikl. Diskr. Mat. Suppl., 2022, no. 15, 73–77
Citation in format AMSBIB
\Bibitem{FomKurChu22}
\by V.~M.~Fomichev, A.~V.~Kurochkin, A.~B.~Chuhno
\paper The difference relations and impossible differentials construction for the KB-256 algorithm
\jour Prikl. Diskr. Mat. Suppl.
\yr 2022
\issue 15
\pages 73--77
\mathnet{http://mi.mathnet.ru/pdma584}
\crossref{https://doi.org/10.17223/2226308X/15/19}
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