On 12/24/2014 5:46 PM, Jeffrey Walton wrote: > Here's another counterpoint: when those structures are made opaque, > that means we have to go to the memory manager for a struct that could > otherwise be stack based. And we have to free it. That can slow things > down considerably. My intuition says that a malloc will be down in the noise compared to the RSA operation itself. When I profile, I find that my entire program takes negligible time compared to an RSA operation.