This repository was archived by the owner on Nov 21, 2019. It is now read-only.
This repository was archived by the owner on Nov 21, 2019. It is now read-only.
Optimized ecmul on secp256k1 #69
Description
Recently Vitalik Buterin proposed to abuse ecrecover to compute hashed result of ecmul:
https://ethresear.ch/t/you-can-kinda-abuse-ecrecover-to-do-ecmul-in-secp256k1-today/2384
I had implemented his idea: https://github.com/1Address/ecsol/blob/master/contracts/EC.sol
It uses about 32K gas to call ecmulVerify.