摘要： 重点分析了ＰＫＩ中可能出现的几个安全问题并给出了相应的改进措施，这些攻击包括基于证书持有者态度实施的攻击、基于ＣＲＬ的攻击及刊用定制协议进行的攻击。这些安全问题在ＣＡ和ＰＫ１设计中必须给予关注和解决。

关键词: 安全, 攻击, 证书权威, 公开密钥基础结构

Abstract: This paper analyzes some possible attacks in PKI, including attacks based on certificate owner's attitude, CRL and customized plotocol, resolving measures are also proposed. All these security problems should be emphasized and resolved in the design of PKI in order to provide a robust security infrastructure.

中图分类号: 

• TP309