摘要： 对CHAP(ChallengeHandshakeAuthenticationProtocol)协议进行阐述和安全性分析,针对其存在服务器欺骗、插入信道攻击等安全缺陷,提出了一个改进方案。最后分析了新协议对一些常见攻击表现出的安全性能。

关键词: 网络安全, 身份认证, CHAP

Abstract: The paper expounds the identity authentication protocol of CHAP,analyzes its security,and proposes an improved scheme which is aimed at the security flaws of server-impersonated and inserting channel. Finally the new protocol is analyzed to be secure against to some common threats.

中图分类号: 

• TP393.08