| 一种基于ECDLP有身份认证的ECDH密钥协商方案 |
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| 引用本文： | 曹阳,郝玉洁,洪歧.一种基于ECDLP有身份认证的ECDH密钥协商方案[J].重庆邮电大学学报(自然科学版),2012,24(1):118-102. |
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| 作者姓名： | 曹阳 郝玉洁 洪歧 |
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| 作者单位： | 1. 陕西理工学院计算机系,陕西汉中,723000
2. 电子科技大学计算机学院,四川成都,610051 |
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| 基金项目： | 陕西理工学院科研基金（SLGKY10-09）；陕西省教育厅科研专项基金（11JK0477） |
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| 摘 要： | 为了解决ECDH（elliptic curve key agreement scheme-diffice-hellman version）密钥协商方案中，通信双方在公开信道上通过协议协商会话的临时密钥及双方都不能识别对方身份的问题。在研究ECDH密钥协商算法的基础上，提出了一种基于安全椭圆曲线离散对数问题的有身份认证的ECDH密钥协商方案。该方案可以实现密钥协商双方的双向身份认证，有效地防止了中间人的攻击。通过对密钥协商消息的双重保护，实现了公开信道上安全通信。
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| 关 键 词： | 椭圆曲线离数对数问题（ECDLP） 椭圆曲线密钥协商方案（ECDH） 身份认证 密钥协商 |
| 收稿时间： | 3/8/2011 12:00:00 AM |
One ECDH key agreement scheme with authentication based on ECDLP |
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| CAO Yang,HAO Yu-jie,HONG Qi.One ECDH key agreement scheme with authentication based on ECDLP[J].Journal of Chongqing University of Posts and Telecommunications,2012,24(1):118-102. |
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| Authors: | CAO Yang HAO Yu-jie HONG Qi |
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| Institution: | Department of Computer Science and Technology, Shannxi University of Technology, Hanzhong 723000, P.R.China |
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| Abstract: | In order to solve the problem that in ECDH key agreement scheme, the two communicating sides agree negotiation in the public channel with temporary key but they can not identify each other, this paper first analyses the ECDH key agreement algorithm, and then proposes an ECDH key agreement scheme with authentication based on discrete logarithm. This scheme can realize bi-directional authentication, effectively prevent intermediary attackers, and realize secure communications on the public channel through the dual protection of the key agreement messages. |
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| Keywords: | elliptic curve discrete problem(ECDLP) elliptic curve key agreement scheme-diffice-hellman version(ECDH) authentication key agreement |
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