bozhu/GOST-Python — pull request #1 by xaker1 (2014-04-22 20:15:02+00:00)
Title: Correction "left cyclic shift" in function f

In the description of the algorithm specified cyclic shift to the left by 11.
In your own implementation, a cyclic shift to the right by 11.
http://en.wikipedia.org/wiki/GOST_ (block_cipher)