%0 Journal Article %A A. M. Karondeev %T Addition modulo $2^n$ in block ciphers %J Prikladnaya Diskretnaya Matematika. Supplement %D 2015 %P 62-63 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2015_8_a21/ %G ru %F PDMA_2015_8_a21