Standard setting is GOST R 34.11-2012 256 bit Usage of eh: -512 Use GOST R 34.11-2012 512-bit -ripemd160 Use RIPEMD-160 hash algorithm -ripemd256 Use RIPEMD-256 hash algorithm -ripemd320 Use RIPEMD-320 hash algorithm -sm3 Use Chinese SM3 hash algorithm