适用JDK6的JCE补丁:
http://www.oracle.com/technetwork/java/javase/downloads/jce-6-download-429243.html
适用JDK7的JCE补丁:
http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
适用JDK8的JCE补丁:
http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html
