GOST R34.12-2015 aka «Kuznyechik» Verilog HDL code

Intro

Verilog HDL implementation of the GOST R34.12-2015 - a fresh Russian government standard symmetric key block cipher.

Note	Russian description available here: http://idoka.ru/crypto-ip-core-gost-r3412-2015/

Short Chipher Detail

Date published	2015
Structure	Substitution-permutation network
Key sizes	256 bits
Block sizes	128 bits
Rounds	10

Features

Status

Employment

Synthesis

Limitations

ToDo

References

• GOST R 34.12-2015 Kuznyechik (RU)

• GOST R 34.12-2015 under name Grasshopper(Kuznyechik) (EN)

• GOST R 34.13-2015: Block cipher mode of operation (RU)

• RFC7801

Feel free to send me comments, suggestions and bug reports