Cloud based re encryption. this uses el gamal re encryption procedure which uses a manager as intermediate between the owner of the file and the receiver of the file. File is send using java socket prgmg.

这个jar文件给Android程序提供了方便简易的数字证书生成、更新、申请接口，在Android 4.0至5.0各版本中均测试成功。 接口里的方法参数解释请参阅CertFunc.java源码，测试范例代码请参考TestCertFunc.java源码。-This jar file to the Android program provides a convenient and easy digital certificate generation, updating, application in

基于java平台的DES加解密demo全类别文件适用-DES java based platform file encryption and decryption demo whole category applicable