| 对Diffie-Hellman协议的一种改进 |
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| 引用本文： | 李昕.对Diffie-Hellman协议的一种改进[J].电子软科学,2007(12):22-24. |
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| 作者姓名： | 李昕 |
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| 作者单位： | 重庆大学,重庆400044 |
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| 摘 要： | Diffie-Hellman协议没有身份认证机制,使其在实际应用中容易受到中间人的攻击。该文对基于预共享密钥的挑战-应答身份认证机制进行了分析和改进,最后将两者结合,提出了一种新的方案,增加了Diffie-Hellman协议的安全性和实用性。
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| 关 键 词： | 信息安全 Diffie-Hellman协议 中间人攻击 挑战-应答 身份认证 |
| 收稿时间： | 2007-08-18 |
An Improvement of Diffie-Hellman Protocol |
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| Authors: | Li Xin |
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| Abstract: | Because of having no entity authentication mechanism, Diffie-Hellman protocol is easily attacked by the man-in-the-middle in practice. The Challenge-Response entity authentication for pre-shared key is analysed and improved. Finally a improved schema based on two aforementioned ones is given, which improves the security and practicality of Diffie-Hellman protocol. |
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| Keywords: | information security Diffie-Hellman protocol Man-In-The-Middle attack challenge-response entity authentication |
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