crypto/secp25r1: fix reverse malleability issue

2023-05-22 22:38:41 +02:00 · 2023-05-22 22:38:41 +02:00 · 066a31f634
parent d245194e77
commit 066a31f634
1 changed files with 1 additions and 1 deletions
--- a/crypto/secp256r1/verifier.go
+++ b/crypto/secp256r1/verifier.go
@ -35,5 +35,5 @@ func Verify(hash []byte, r, s, x, y *big.Int) ([]byte, error) {

 // Check the malleability issue
 func checkMalleability(s *big.Int) bool {
-	return s.Cmp(secp256k1halfN) <= 0
+	return s.Cmp(secp256k1halfN) > 0
 }