%0 Journal Article %A I. V. Lavrikov %A V. A. Shishkin %T How much data may be safely processed on one key in different modes? %J Matematičeskie voprosy kriptografii %D 2019 %P 125-134 %V 10 %N 2 %U http://geodesic.mathdoc.fr/item/MVK_2019_10_2_a10/ %G en %F MVK_2019_10_2_a10