C#使用X.509证书编写安全的WCF服务CA 这个程序和文章教你如何编写安全的CA，使用X.509证书进行认证。-C# use of X.509 certificates prepared by the safety of WCF services and articles on CA this program teaches you how to write safe CA, the use of X.509 certificates for authentication.

check it it will help u in projects

WCF实例（基于X.509证书的身份验证）-WCF instance (X.509 certificate-based identity verification)