src/java.base/share/classes/sun/security/ssl/X509KeyManagerImpl.java

@@ -188,11 +188,11 @@
             SSLSession session = sslSocket.getHandshakeSession();
 
             if (session != null) {
                 ProtocolVersion protocolVersion =
                     ProtocolVersion.valueOf(session.getProtocol());
-                if (protocolVersion.v >= ProtocolVersion.TLS12.v) {
+                if (protocolVersion.useTLS12PlusSpec()) {
                     String[] peerSupportedSignAlgs = null;
 
                     if (session instanceof ExtendedSSLSession) {
                         ExtendedSSLSession extSession =
                             (ExtendedSSLSession)session;

@@ -216,11 +216,11 @@
         if (engine != null) {
             SSLSession session = engine.getHandshakeSession();
             if (session != null) {
                 ProtocolVersion protocolVersion =
                     ProtocolVersion.valueOf(session.getProtocol());
-                if (protocolVersion.v >= ProtocolVersion.TLS12.v) {
+                if (protocolVersion.useTLS12PlusSpec()) {
                     String[] peerSupportedSignAlgs = null;
 
                     if (session instanceof ExtendedSSLSession) {
                         ExtendedSSLSession extSession =
                             (ExtendedSSLSession)session;