Abstract: With the features of convenience and flexibility,Ad hoc network becomes one of the most valuable next-generation networks.However,it has many secure defects because of its lack of inherent infrastructure.The possible secure defects of Ad hoc network were analyzed,and an improved routing protocol with encryption and authentication for Ad hoc network was brought forth,which can prevent both active and passive attacks.The security and efficiency of this protocol were also evaluated.

Key words: authentication, encryption, Ad hoc network, routing, security

摘要： Ad hoc网络以其方便灵活的特点,成为下一代最有应用价值的网络之一,但是由于其本身的特点,它存在着很多安全隐患。文中对Ad hoc网络存在的安全隐患进行了分析,然后提出了一种具有认证和加密功能,能够同时防止主动攻击和被动攻击的安全路由协议,最后对这个协议的安全性及效率进行了简要的分析。

关键词: 认证, 加密, Adhoc网络, 路由, 安全