Given a bigint library, how can I double a point on an elliptic curve within a prime field?
I've gotten tomsfastmath modified so that it can build to freestanding webassembly and I don't want to deal with getting a more complex library to behave thusly.
All I need to be able to do is double points on P-256, P-384, and P-521. Uncompressing points in compressed format would be NTH.