计算机网络数据加密技术

On the Data Encryption Technology of Computer Networks

本文论述了计算机网络中的数据安全问题，着重介绍了两种现代数据加密体制，ＤＥＳ体制和密钥公开体制，分析了加密的基本技术，给出了软件实现的程序流程，并讨论了数字签名问题。

This paper discusses the problem of data security of computer networks,emphatically introduce two kinds of contempary data encryption,DES and public keycryptic system. The basic technology of encryption is analysed,the flowchart given andthe problem of digital signatures discussed.