概述 PKI公钥基础设施是一个为综合数字信息系统提供广泛需要的公开密钥加密和数字签名服务的基础设施,它的目标是管理密钥和证书。一个机构通过采用PKI框架管理密钥和证书可以建立一个安全的网络环境,使用户可以在多种应用环境下方便地使用加密和数字签名技术,从而保证网上数据的机密性、完整性、有效性。一个典型、完整、有效的PKI应用系统至 Overview PKI Public Key Infrastructure is an infrastructure that provides a wide range of public key cryptography and digital signature services for integrated digital information systems with the goal of managing keys and certificates. By adopting the PKI framework to manage keys and certificates, an organization can establish a secure network environment that allows users to easily use encryption and digital signatures in a variety of applications to ensure the confidentiality, integrity and validity of online data . A typical, complete and effective PKI application system to