摘要
PKI作为一种网络安全基础设施,日益受到关注,但是PKI还有许多问题有待解决。文章首先由信任的定义及其数学属性入手,指出PKI先天固有的不足。然后指出各种PKI系统都具有的问题,当前现有标准X.509、PGP、SPKI/SDSI的各自缺陷。
As a network security infrastructure,more and more people have paid attention to PKI. But there are still a lot of deficiencies with PKI. This paper first introduces the definition and properties of trust,pointing out the inherent flaws of PKI. Then,the paper points out the disadvantage that held by most system based on PKI and the shortcomings of the current standard X.509,PGP and SPKI/SDSI. Finally,the paper indicates the problem of the browser. In a word,more research should be made on PKI.
出处
《微电子学与计算机》
CSCD
北大核心
2002年第6期18-21,共4页
Microelectronics & Computer
