| Improved Authenticated Multi-Key Agreement Protocol |
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| 引用本文： | ZHANG Hua YUAN Zheng WEN Qiaoyan. Improved Authenticated Multi-Key Agreement Protocol[J]. 武汉大学学报:自然科学英文版, 2006, 11(6): 1915-1918. DOI: 10.1007/BF02831906 |
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| 作者姓名： | ZHANG Hua YUAN Zheng WEN Qiaoyan |
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| 作者单位： | School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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| 基金项目： | 国家自然科学基金;教育部高等学校博士学科点专项科研基金;国家自然科学基金 |
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| 摘 要： | Zhou et al give an attack on Ham＇s modified authenticated multi-key agreement protocol, and give a protocol that can prevent the unknown key-share attack. The paper points out that the protocol is vulnerable to a concatenation attack. This paper proposes an improved authenticated multi-key agreement protocol which shows how to make Harn＇s protocol more secure by modifying the signature and verification. And this protocol can escape the concatenation attack.
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| 关 键 词： | 多密钥协议 鉴别 串联攻击 密码术 |
| 文章编号： | 1007-1202（2006）06-1915-04 |
| 收稿时间： | 2006-05-20 |
Improved authenticated multi-key agreement protocol |
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| Zhang Hua,Yuan Zheng,Wen Qiaoyan. Improved authenticated multi-key agreement protocol[J]. Wuhan University Journal of Natural Sciences, 2006, 11(6): 1915-1918. DOI: 10.1007/BF02831906 |
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| Authors: | Zhang Hua Yuan Zheng Wen Qiaoyan |
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| Affiliation: | (1) School of Science, Beijing University of Posts and Telecommunications, 100876 Beijing, China |
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| Abstract: | Zhouet al give an attack on Harn's modified authenticated multi-key agreement protocol, and give a protocol that can prevent the unknown key-share attack. The paper points out that the protocol is vulnerable to a concatenation attack. This paper proposes an improved authenticated multikey agreement protocol which shows how to make Harn's protocol more secure by modifying the signature and verification. And this prococol can escape the coneatenation attack. Foundation item: Supported by the National Natural Science Foundation of China (60373059), the National Research Foundation for the Doctoral Program of Higher Education of China (20040013007) and the Major Research Plant of the National Natural Science Foundation of China(90604023) Biography: ZHANG Hua (1978-), female, Ph. D. candidate, research direction: cryptography. |
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| Keywords: | multi-key agreement authenticate Diffie Hellman key agreement concatenation attack |
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