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1 @node en34122015
2 @section Kuznechik (GOST R 34.12-2015)
3
4 @table @asis
5 @item Algorithm type
6     Block cipher
7 @item Blocksize
8     128 bit
9 @item Keysize
10     256 bit
11 @item Structure
12     Substitution-permutation network (SPN)
13 @item Rounds
14     10
15 @item RFC
16     @url{https://tools.ietf.org/html/rfc7801.html, 7801}
17 @item Best attack
18     Complexity 2@sup{140}.3, 2@sup{153}.3 memory, 2@sup{113} data for 5 rounds
19 @end table
20
21 @strong{Features}:
22 @itemize
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.
27 @end itemize