This paper detailedly describe my work in the research of PKI, mainly include to independently develope a certificate function library that suitable for multi-platform and to establish a fundamental PKI framework based on this library.

• 本文详细描述了本人在这方面所作的工作，即自主开发适用于多种平台的证书功能库并以此证书功能库为基础构建基本的PKI框架。