2 @section Kuznechik (GOST R 34.12-2015)
12 Substitution-permutation network (SPN)
16 @url{https://tools.ietf.org/html/rfc7801.html, 7801}
18 Complexity 2@sup{140}.3, 2@sup{153}.3 memory, 2@sup{113} data for 5 rounds
23 @item Feistel network is used during key schedule.
24 @item Defined S-boxes was not created pseudorandomly, but with reverse
25 engineered @url{https://eprint.iacr.org/2016/071.pdf, algorithm}.
26 However there is no proof that it reduces cipher's strength.