三大密码体制的理论研究及应用中的问题

Theoretical Study of Three Major Cipher Systems and Problems Occurring in the Application of Them

随着网络信息技术的飞速发展 ,网络上传输数据的安全性越来越差 ,而数据加密是保证信息安全的一种有效手段。本文概括介绍了国内外三大密码体制 (对称密码、公钥密码和量子密码 )

With the rapid development of information technology of network,the security situation of the data transmitted on the network is deteriorating,and it is an effective way to secure information security to encrypt data.Theory and technology concerning three major cipher systems at home and abroad——symmetrical password,common password and quantum password are summed up as well as currently key research direction.