File list (Check if you may need any files):
Java\commons-codec-1.9.jar
....\dist\aes-jre1.6.jar
....\readme.txt
....\src\com\qq\weixin\mp\aes\.WXBizMsgCrypt.java.swp
....\...\...\..\......\..\...\AesException.java
....\...\...\..\......\..\...\ByteGroup.java
....\...\...\..\......\..\...\PKCS7Encoder.java
....\...\...\..\......\..\...\SHA1.java
....\...\...\..\......\..\...\WXBizMsgCrypt.java
....\...\...\..\......\..\...\WXBizMsgCryptTest.java
....\...\...\..\......\..\...\XMLParse.java
....\...\demo\111.html
....\...\....\Program.java
....\...\com\qq\weixin\mp\aes
....\...\...\..\......\mp
....\...\...\..\weixin
....\...\...\qq
....\...\com
....\...\demo
....\dist
....\src
Java