%0 Journal Article %A I. V. Martynenkov %T The main stages of development of the cryptographic protocols SSL/TLS and IPsec %J Prikladnaâ diskretnaâ matematika %D 2021 %P 31-67 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2021_1_a2/ %G ru %F PDM_2021_1_a2