ecrecover zero-address return unchecked
Hyperliquid's assessment for RD-F-019 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
Signature.sol recoverSigner() function explicitly calls ecrecover(digest, sig.v, bytes32(sig.r), bytes32(sig.s)) and then checks require(signerRecovered != address(0), 'Invalid signature, recovered the zero address'). Zero-address guard is present.
Sources #
- GitHubSignature.sol raw sourceSignature.sol raw source — recoverSigner() with address(0) guardretrieved 2026-04-28
Methodology #
Determine whether any `ecrecover` call result is used without a `!= address(0)` guard.
See the full factor methodology and distribution across all protocols →
rubric_version v1.7.0 protocol hyperliquid factor RD-F-019 score green collected_at 2026-04-28 13:58:49