基于密码学的网络信息安全应用

Application of Network Information Security Based on Cryptography

基于计算机科学迅猛发展,网络信息技术被广泛应用于人们信息传递的大背景,对密码学的发展历程及密码学的概念作简要概述,对密码学的基本要素和主要功能进行说明,研究密码学中对称密钥体制和非对称密钥体制的工作原理,联系实际阐述基于密码学的一些网络信息安全应用,如数字签名技术与数字证书技术,以及如何巧妙应用密码学技术解决实际生活场景下所遇到的一些问题,为推动社会运行效率的提高做出了巨大贡献。

Based on background of the rapid development of computer science and network information technology has been widely applied to the people’s information comunication,this paper briefly summarizes the development process of cryptography and the concept of cryptography,explains the basic elements and main functions of cryptography,and studies the working principle of symmetric key system and asymmetric key system in cryptography.Some network information security applications based on cryptography are described with reality,such as digital signature technology and digital certificate technology,as well as how to skillfully use cryptography technology to solve some problems encountered in real life scenarios,it has made a great contribution for promoting the improvement of social operation efficiency.