pb 识别系统 各类信息，包括提取硬盘id 网卡信息、主版id、md5加密 解密-pb to identify various types of information systems, including the extraction of the hard disk id card information, the main version of id, md5 encryption and decryption

加解密程序简单版 vc 一个简单的加解密程序-Decryption process, a simple version of vc a simple encryption and decryption process