Add helper method for extracting issuer common name

1 files changed, 4 insertions, 3 deletions

diff --git a/vespa-athenz/src/main/java/com/yahoo/vespa/athenz/tls/X509CertificateUtils.java b/vespa-athenz/src/main/java/com/yahoo/vespa/athenz/tls/X509CertificateUtils.java
index e66373b6a03..6ba094ff275 100644
--- a/vespa-athenz/src/main/java/com/yahoo/vespa/athenz/tls/X509CertificateUtils.java
+++ b/vespa-athenz/src/main/java/com/yahoo/vespa/athenz/tls/X509CertificateUtils.java
@@ -20,10 +20,7 @@ import java.io.StringWriter;
 import java.io.UncheckedIOException;
 import java.security.GeneralSecurityException;
 import java.security.cert.CertificateException;
-import java.security.cert.CertificateParsingException;
 import java.security.cert.X509Certificate;
-import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
@@ -72,6 +69,10 @@ public class X509CertificateUtils {
         return getCommonNames(certificate.getSubjectX500Principal());
     }
 
+    public static List<String> getIssuerCommonNames(X509Certificate certificate) {
+        return getCommonNames(certificate.getIssuerX500Principal());
+    }
+
     public static List<String> getCommonNames(X500Principal subject) {
         try {
             String subjectPrincipal = subject.getName();