| Denning-Sacco密钥分配协议的分析与改进 |
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| 引用本文： | 缪祥华.Denning-Sacco密钥分配协议的分析与改进[J].昆明理工大学学报(理工版),2010,35(2):76-80. |
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| 作者姓名： | 缪祥华 |
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| 作者单位： | 昆明理工大学,信息工程与自动化学院,云南,昆明,650051 |
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| 基金项目： | 云南省教育厅资助项目(项目编号:07C10075);;昆明理工大学科学研究基金项目(项目编号:2007-29) |
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| 摘 要： | 研究了Denning-Sacco密钥分配协议,指出了该协议存在的缺陷和漏洞,并给出了两种攻击该协议的方法,一种是重放攻击,另一种是拦截攻击.虽然一些学者对该协议进行了修改,但是仍然存在缺陷和漏洞.针对原始协议存在的缺陷和漏洞,该文在原来协议的基础上,增加了一条消息,并用串空间模型来分析了修改后的协议,说明修改后的协议能够达到协议的目标.
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| 关 键 词： | 协议分析 串空间 Denning—Sacco密钥分配协议 |
Analysis and Improvement of Denning-Sacco Key Distribution Protocol with Public Key |
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| MIAO Xiang-hua.Analysis and Improvement of Denning-Sacco Key Distribution Protocol with Public Key[J].Journal of Kunming University of Science and Technology(Natural Science Edition),2010,35(2):76-80. |
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| Authors: | MIAO Xiang-hua |
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| Affiliation: | Faculty of Information Engineering and Automation/a>;Kunming University of Science and Technology/a>;Kunming 650051/a>;China |
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| Abstract: | Denning-Sacco key protocol with public key is researched in this paper.The bugs and leaks existing in the protocol are pointed out.Two methods to attack the protocol are then put forward,namely replaying attack and holding up attack respectively.A message is added to the protocol to improve it.Finally,strand space model is adopted to analyze the improved protocol,the result of which indicates the feasibility of the method. |
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| Keywords: | protocol analysis strand space Denning-Sacco key distribution protocol with public key |
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