| 密钥交换中中间人攻击的防范 |
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| 引用本文： | 徐恒,陈恭亮,杨福祥.密钥交换中中间人攻击的防范[J].信息安全与通信保密,2009(2):90-92. |
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| 作者姓名： | 徐恒 陈恭亮 杨福祥 |
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| 作者单位： | 上海交通,大学信息安全工程学院,上海,200240 |
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| 摘 要： | Diffie-Hellman密钥交换是一种可以在有窃听信道中安全地协商密钥的有效算法，但是它不能抵抗中间人攻击。不过在一些特定环境下，可以通过验证密钥的方法来防范可能存在的中间人攻击。文章不仅论证了该方法的理论基础，并给出厂它在实际应用中的例子，最后还提供了一种获得随机数的新方法。
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| 关 键 词： | Diffie-Hellman 中间人攻击 GSM加密手机 随机数发生器 |
Prevention of Man-In-The-Middle Attack in Diffie-Hellman Key Exchange under Specific Environment |
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| XU Heng,CHEN Gong-liang,YANG Fu-xiang.Prevention of Man-In-The-Middle Attack in Diffie-Hellman Key Exchange under Specific Environment[J].China Information Security,2009(2):90-92. |
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| Authors: | XU Heng CHEN Gong-liang YANG Fu-xiang |
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| Affiliation: | (Information Security Engineering School, Shanghai Jiaotong University, Shanghai 200240, China) |
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| Abstract: | Diffie-Hellman key exchange algorithm is an algorithm that can ensure the security of key negotiation in a channel where eavesdropping may exist, but can not be immune to the so called man-in-the-middle attack. However, that kind of attack can be prevented by using the method of key authentication. In this paper, both the theoretical proofs practical application examples of this method are given. A new method for generating random number is describes finally. |
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| Keywords: | Diffie-Hellman |
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