%0 Journal Article %A F. M. Malyshev %T Embedding of provably unsolvable problems into stream ciphers %J Matematičeskie voprosy kriptografii %D 2023 %P 65-83 %V 14 %N 1 %U http://geodesic.mathdoc.fr/item/MVK_2023_14_1_a4/ %G ru %F MVK_2023_14_1_a4