这是一个解析X509证书的例子，运行后将xx.cer证书文件分解成一个详细的结构体，使用微软自带的CSP服务实现，编译环境VC6.0-This is an example of analytic X509 certificates, after the operation will be xx. The cer certificate files into a detailed structure, using Microsoft s own CSP service implementation