🐛 point unicity in validity check

co-authored-by: katzman <steve.katzman@coinbase.com>
get-smooth · Apr 4, 2024 · 204eec8 · 204eec8
1 parent 09d9b1c
commit 204eec8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/ECDSA256r1.sol b/src/ECDSA256r1.sol
@@ -19,7 +19,7 @@ library ECDSA256r1 {
     /// @param y The y-coordinate of the point
     /// @return bool True if the point is on the curve, false otherwise
     function isPointValid(uint256 x, uint256 y) internal pure returns (bool) {
-        if (((0 == x) && (0 == y)) || x == p || y == p) {
+        if ((0 == x % p) && (0 == y % p)) {
             return false;
         }