2 @section GOST R 34.13-2015 cipher modes of operation
6 Encryption and authentication modes
7 @item What modes are defined
20 @item Replaces obsolete @ref{en2814789modes, GOST 28147-89 modes}.
21 @item Common simple counter mode implementation.
22 @item OFB, CBC, CFB modes takes long IV, consisting of two parts.
23 @item Specified MAC is identical to
24 @url{https://en.wikipedia.org/wiki/CMAC, CMAC} and can be safely used.