--- a/jdk/src/share/classes/sun/security/pkcs11/P11Key.java	Tue Jul 09 15:26:20 2013 -0700
+++ b/jdk/src/share/classes/sun/security/pkcs11/P11Key.java	Wed Jul 10 18:14:35 2013 -0700
@@ -65,6 +65,8 @@
  */
 abstract class P11Key implements Key, Length {
 
+    private static final long serialVersionUID = -2575874101938349339L;
+
     private final static String PUBLIC = "public";
     private final static String PRIVATE = "private";
     private final static String SECRET = "secret";