crypto/x509: optimize the performance of checkSignature

The loop should be terminated immediately when `algo` has been found Fixes #52955 Change-Id: Ib3865c4616a0c1af9b72daea45f5a1750f84562f GitHub-Last-Rev: 721322725fb2d3a3ea410d09fd8320dfef865d8d GitHub-Pull-Request: golang/go#52987 Reviewed-on: https://go-review.googlesource.com/c/go/+/407215 LUCI-TryBot-Result: Go LUCI <[email protected]> Reviewed-by: David Chase <[email protected]> Reviewed-by: Roland Shoemaker <[email protected]> Auto-Submit: Roland Shoemaker <[email protected]>
ooni · Nov 1, 2023 · 615f899 · 615f899
1 parent aab9865
commit 615f899
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/x509/x509.go b/x509/x509.go
@@ -889,6 +889,7 @@ func checkSignature(algo SignatureAlgorithm, signed, signature []byte, publicKey
 		if details.algo == algo {
 			hashType = details.hash
 			pubKeyAlgo = details.pubKeyAlgo
+			break
 		}
 	}