Renaud Dubois

icon company Erdos Number : 4 icon location crypt0grapher.eth icon location - Expert Cryptographer in Ethereum Ecosystem (mainnet + L2's) for 2 years. - Expert Cryptographer for the Defense Industry (17 years).

Results 4 issues of Renaud Dubois

Optimization of signature verification using Shamir's trick and windowing

The obtained gain is around 40%: (results measured using --print-info with a single call to public_key_ ECDSA test standard implementation over sec256k1 Number of steps: 190047 (originally, 190047) Used memory...

Bench FCL without IR==true

Using IR==true in toml crushes FCL performances, leading to incorrect bench. Provide benchmarks in line with on chain performances: https://goerli.basescan.org/address/0xe9399d1183a5cf9e14b120875a616b6e2bcb840a

Deploy latest FCL version

2 comment

PR #52 fixed a problem in Inner inlined edge case. Deploy the latest version of FCL on chain.

solve a bug where (0,0) is a valid signature for any message

test r and s value not zeroes