📝 plugin: document y == 0 edge case

exactly · May 16, 2024 · 986729d · 986729d
1 parent a8eb81d
commit 986729d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/WebauthnOwnerPlugin.sol b/src/WebauthnOwnerPlugin.sol
@@ -325,6 +325,7 @@ contract WebauthnOwnerPlugin is BasePlugin, IWebauthnOwnerPlugin, IERC1271 {
     return keccak256(abi.encode(_TYPE_HASH, _NAME_HASH, _VERSION_HASH, block.chainid, account, _SALT));
   }
 
+  /// @dev Webauthn public keys with `y` as 0 are not supported, as they will be treated as Ethereum addresses.
   function _validateSignature(address account, bytes32 message, bytes calldata signature) internal view returns (bool) {
     SignatureWrapper memory sigWrapper = abi.decode(signature, (SignatureWrapper));
     PublicKey memory owner = _owners[account].get(sigWrapper.ownerIndex);