Java support AES 256BITS
JDK 6
<a rel="noopener" href="http://www.oracle.com/technetwork/java/javase/downloads/jce-6-download-429243.html" target="_blank">http://www.oracle.com/technetwor ... ownload-429243.html</a>

JDK 7
<a rel="noopener" href="http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html" target="_blank">http://www.oracle.com/technetwor ... ownload-432124.html</a>

JDK 8
<a rel="noopener" href="http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html" target="_blank">http://www.oracle.com/technetwor ... wnload-2133166.html</a>

下载下来的JAR 替换JDK原来目录下的JAR包：(请先做好备份)
C:\Program Files\Java\jre7\lib\security

申请KEY的时候有个标识码 就是 包名~！

今天也遇到了这个问题， 1.0.6版本的SDK里-5 返回值的说明 为与包名不一致 。我的理解是需要在自己的工程里进行初始化