计算机应用

• 信息安全 • 上一篇    下一篇

基于数字签名认证的IKE协议安全性分析及改进

何韦伟 季新生 刘彩霞   

  1. 解放军信息工程大学国家数字交换系统工程技术研究中心
  • 收稿日期:2008-01-14 修回日期:1900-01-01 发布日期:2008-07-01 出版日期:2008-07-01
  • 通讯作者: 何韦伟

Security analysis and improvement of IKE protocol with signature authentication

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  • Received:2008-01-14 Revised:1900-01-01 Online:2008-07-01 Published:2008-07-01
  • Contact: Wei-Wei HE

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摘要： IKE协议的复杂性使得其存在一些安全漏洞。简要介绍基于数字签名认证方式的IKE协议工作机制之后，分析了IKE协议容易遭受的两种中间人攻击，针对中间人攻击导致用户身份泄漏的安全缺陷，提出两种改进方案并给出改进前后定量的性能分析。

关键词: IKE, 数字签名, 中间人攻击, 公钥

Abstract: The complexity of Internet Key Exchange (IKE) protocol causes some potential security flaws. After the mechanism of IKE with signature was introduced, the two kinds of man-in-middle attack were analyzed. In order to protect the users' identities from being exposed to the outside, two solutions with some improvements were proposed. Finally the paper made a quantitative capability analysis on the whole.

Key words: Internet Key Exchange(IKE), digital signature, man-in-middle attack, public key

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