From 721322725fb2d3a3ea410d09fd8320dfef865d8d Mon Sep 17 00:00:00 2001
From: dchaofei <dchaofei@gmail.com>
Date: Wed, 18 May 2022 15:31:12 +0800
Subject: [PATCH] crypto/x509: optimize the performance of checkSignature

The loop should be terminated immediately when `algo` has been found

Fixes #52955
---
 src/crypto/x509/x509.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/crypto/x509/x509.go b/src/crypto/x509/x509.go
index e17df0dd94328..1d4520540e6d4 100644
--- a/src/crypto/x509/x509.go
+++ b/src/crypto/x509/x509.go
@@ -823,6 +823,7 @@ func checkSignature(algo SignatureAlgorithm, signed, signature []byte, publicKey
 		if details.algo == algo {
 			hashType = details.hash
 			pubKeyAlgo = details.pubKeyAlgo
+			break
 		}
 	}