From 0fdd8bd47728baf5e13f2da31e9fdad1a61a4f9b Mon Sep 17 00:00:00 2001
From: yperbasis <andrey.ashikhmin@gmail.com>
Date: Wed, 19 Mar 2025 12:19:43 +0100
Subject: [PATCH] Fix is_valid_signature

---
 lib/silkpre/secp256k1n.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/silkpre/secp256k1n.cpp b/lib/silkpre/secp256k1n.cpp
index 62073ac..1ecb56a 100644
--- a/lib/silkpre/secp256k1n.cpp
+++ b/lib/silkpre/secp256k1n.cpp
@@ -22,7 +22,7 @@ bool is_valid_signature(const intx::uint256& r, const intx::uint256& s, bool hom
     if (!r || !s) {
         return false;
     }
-    if (r >= kSecp256k1n && s >= kSecp256k1n) {
+    if (r >= kSecp256k1n || s >= kSecp256k1n) {
         return false;
     }
     // https://eips.ethereum.org/EIPS/eip-2