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

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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.

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