Use getSubjectCommonName()

1 files changed, 1 insertions, 7 deletions

diff --git a/security-utils/src/main/java/com/yahoo/security/tls/PeerAuthorizer.java b/security-utils/src/main/java/com/yahoo/security/tls/PeerAuthorizer.java
index 5db86fd93bc..44293de6eb7 100644
--- a/security-utils/src/main/java/com/yahoo/security/tls/PeerAuthorizer.java
+++ b/security-utils/src/main/java/com/yahoo/security/tls/PeerAuthorizer.java
@@ -7,7 +7,6 @@ import com.yahoo.security.X509CertificateUtils;
 import java.security.cert.X509Certificate;
 import java.util.HashSet;
 import java.util.List;
-import java.util.Optional;
 import java.util.Set;
 import java.util.logging.Logger;
 
@@ -39,7 +38,7 @@ public class PeerAuthorizer {
         X509Certificate cert = certChain.get(0);
         Set<String> matchedPolicies = new HashSet<>();
         Set<CapabilitySet> grantedCapabilities = new HashSet<>();
-        String cn = getCommonName(cert).orElse(null);
+        String cn = X509CertificateUtils.getSubjectCommonName(cert).orElse(null);
         List<String> sans = getSubjectAlternativeNames(cert);
         log.fine(() -> String.format("Subject info from x509 certificate: CN=[%s], 'SAN=%s", cn, sans));
         for (PeerPolicy peerPolicy : authorizedPeers.peerPolicies()) {
@@ -69,11 +68,6 @@ public class PeerAuthorizer {
         }
     }
 
-    private static Optional<String> getCommonName(X509Certificate peerCertificate) {
-        return X509CertificateUtils.getSubjectCommonNames(peerCertificate).stream()
-                .findFirst();
-    }
-
     private static List<String> getSubjectAlternativeNames(X509Certificate peerCertificate) {
         return X509CertificateUtils.getSubjectAlternativeNames(peerCertificate).stream()
                 .filter(san -> san.getType() == DNS || san.getType() == IP || san.getType() == URI)