From 204eec86ef5856ca52a389c9b170cbb8922e02d9 Mon Sep 17 00:00:00 2001
From: qd-qd <qdqdqdqdqd@protonmail.com>
Date: Thu, 4 Apr 2024 11:09:30 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20point=20unicity=20in=20validity?=
 =?UTF-8?q?=20check?=
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co-authored-by: katzman <steve.katzman@coinbase.com>
---
 src/ECDSA256r1.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ECDSA256r1.sol b/src/ECDSA256r1.sol
index 1f051d7..62e9f1c 100644
--- 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;
         }