--- a/jdk/src/share/classes/javax/xml/crypto/dsig/dom/DOMValidateContext.java	Tue Apr 09 12:05:27 2013 +0400
+++ b/jdk/src/share/classes/javax/xml/crypto/dsig/dom/DOMValidateContext.java	Mon Apr 22 11:23:33 2013 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2013 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -74,11 +74,7 @@
         if (ks == null) {
             throw new NullPointerException("key selector is null");
         }
-        if (node == null) {
-            throw new NullPointerException("node is null");
-        }
-        setKeySelector(ks);
-        this.node = node;
+        init(node, ks);
     }
 
     /**
@@ -97,11 +93,20 @@
         if (validatingKey == null) {
             throw new NullPointerException("validatingKey is null");
         }
+        init(node, KeySelector.singletonKeySelector(validatingKey));
+    }
+
+    private void init(Node node, KeySelector ks) {
         if (node == null) {
             throw new NullPointerException("node is null");
         }
-        setKeySelector(KeySelector.singletonKeySelector(validatingKey));
+
         this.node = node;
+        super.setKeySelector(ks);
+        if (System.getSecurityManager() != null) {
+            super.setProperty("org.jcp.xml.dsig.secureValidation",
+                              Boolean.TRUE);
+        }
     }
 
     /**