Geodesic
Construction of the difference relation for the KB-256 algorithm
Prikladnaya Diskretnaya Matematika. Supplement, no. 16 (2023), pp. 56-57

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The difference relation for the KB-256 algorithm has been constructed. The probability of executing the difference relation for 15 out of 16 rounds is not less than $2^{-134}$.
Keywords: differential, linear methods of cryptographic analysis, KB-256. 
@article{PDMA_2023_16_a14,
     author = {A. V. Kurochkin and A. Chuhno and D. A. Bobrovskiy},
     title = {Construction of the difference relation for the {KB-256} algorithm},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {56--57},
     publisher = {mathdoc},
     number = {16},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2023_16_a14/}
}
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A. V. Kurochkin; A. Chuhno; D. A. Bobrovskiy. Construction of the difference relation for the KB-256 algorithm. Prikladnaya Diskretnaya Matematika. Supplement, no. 16 (2023), pp. 56-57. http://geodesic.mathdoc.fr/item/PDMA_2023_16_a14/