Initialize RIPEMD hashing.
@param context pointer to the function context (of size av_ripemd_size) @param bits number of bits in digest (128, 160, 256 or 320 bits) @return zero if initialization succeeded, -1 otherwise
See Implementation
Initialize RIPEMD hashing.
@param context pointer to the function context (of size av_ripemd_size) @param bits number of bits in digest (128, 160, 256 or 320 bits) @return zero if initialization succeeded, -1 otherwise