--- a/jdk/src/share/classes/com/sun/org/apache/xml/internal/security/utils/Base64.java	Mon Jun 16 08:09:30 2014 -0700
+++ b/jdk/src/share/classes/com/sun/org/apache/xml/internal/security/utils/Base64.java	Mon Jun 16 17:45:26 2014 +0100
@@ -257,7 +257,7 @@
     public static final byte[] decode(Element element) throws Base64DecodingException {
 
         Node sibling = element.getFirstChild();
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
 
         while (sibling != null) {
             if (sibling.getNodeType() == Node.TEXT_NODE) {