这是可以加密&解密字符串，二进制流，文件的例子。-This is encryption

使用NET和CSharp编程，可以根据输入的模板格式和加密解密字符实现软件许可文件的自动生成-This article is about a license key generation program. As you know when you get a software package it usually requires a license key. The keys that are generated show various pieces of information, such