The GOST block cipher, defined in standard GOST 28147-89, is a Soviet and Russian government standard symmetric key block cipher.
Developed in the 1970s, the standard has been marked ”Top Secret” and the downgraded to ”Secret” in 1990. Shortly after the dissolution of the USSR, it was declassified and it was released to the public in 1994.
Core supported ecb, ecb pipeline, cfb, mac.
Core was tested on a Altera Cyclone II
ecb mode needs ~200 LUTs
ecb pipeline need ~3k LUTs