安全电子邮件系统的设计与实现

Secure E-mail System Design and Implementation

电子邮件的安全问题是目前实际网络应用中被广泛关注的热点问题之一。文章分析了当前电子邮件在安全方面的隐患,设计了一种实现内联网端到端的安全电子邮件系统,并详细介绍了安全电子邮件系统中签名加密、轻量目录访问协议(LDAP)证书库、目录等部分的设计思路。文章还给出了把安全电子邮件系统扩展应用在大企业Intranet中的方案。

Email security is currently one of the hot-spot issues in network applications, drawing broad attention. Based on the analysis of the shortcomings of current email systems, this paper presents an end-to-end secure email system on Intranet, putting emphasis on the design of digital signature encryption, Lightweight Directory Access Protocol (LDAP) certificate server and system directory. At last, it gives solutions of implementing such a system on an enterprise Intranet.