对核心网络安全技术的理解

Understanding of Core Network Security Technology

本文针对防火墙的三种技术方式进行说明，并就信息交换加密技术的分类及RSA算法作以分析，针对PKI技术这一信息安全核心技术，论述了其安全体系的构成。

In this article,it is instruction of three firewall technologies,and analysis the Encryption of information exchange and the RSA encryption algorithm.and describes the components of security architecture based on PKI,whicb is the core of the information security technology.