计算机科学 ›› 2010, Vol. 37 ›› Issue (10): 78-81.
• 计算机网络与信息安全 • 上一篇 下一篇
郭华,张帆,李舟军,周晓娟
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GUO Hua,ZHANG Fan,LI Zhou-jun,ZHOU Xiao-juan
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摘要: 根据2007年王圣宝等人提出的一类基于身份的密钥协商协议的特点,对私钥泄漏模仿攻击的分类进行了扩充,之后具体分析了王等人的协议,发现该协议不能抵抗扩充的私钥泄漏模仿攻击。进一步分析了存在攻击的原因,并对协议进行了改进,最后对改进后的协议的安全性质进行了分析。
关键词: 基于身份的密码学,认证密钥协商协议,双线性配对,模仿攻击
Abstract: This paper extended the definition of key-compromise-impersonate attack according to a new kind of identity-based key exchange protocol presented by Wang in 2007,then showed that this protocol can't resist the extending key-compromise-impersonate attack. This paper also conducted a detailed analysis on the flaw. To avoid this shortcoming, an improvement of the identity-based protocol was proposed based on the original scheme.
Key words: Identity-based cryptography, Authenticate key agreement protocol, Bilinear pairing, Impersonate attack
郭华,张帆,李舟军,周晓娟. 对一个基于身份的密钥协商协议的分析与改进[J]. 计算机科学, 2010, 37(10): 78-81. https://doi.org/
GUO Hua,ZHANG Fan,LI Zhou-jun,ZHOU Xiao-juan. Cryptanalysis and Improvement of a New Identity-based Key Exchange Protocol[J]. Computer Science, 2010, 37(10): 78-81. https://doi.org/
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