| 一种新的群认证密钥协商方案 |
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| 引用本文： | 刘晶镭,胡红宇,艾灵仙. 一种新的群认证密钥协商方案[J]. 计算机工程, 2012, 38(6): 132-134 |
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| 作者姓名： | 刘晶镭 胡红宇 艾灵仙 |
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| 作者单位： | 湖南永州职业技术学院计算机系,湖南永州,425000 |
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| 摘 要： | 提出一种新的基于身份的群认证密钥协商协议，并基于决策双线性Diffie-Hellman问题的难解性，在标准模型下对协议的安全性进行形式化证明。该协议考虑群会话中成员的动态性问题，从而解决群密钥协商中成员的流动问题。安全性性能分析结果表明，该协议用较低的计算量实现了参与者的安全会话密钥协商。
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| 关 键 词： | 密码学 密钥协商 标准模型 基于身份的密码学 身份认证 决策双线性Diffie-Hellman问题 |
| 收稿时间： | 2011-08-29 |
Novel Group Authentication Key Agreement Scheme |
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| LIU Jing-lei , HU Hong-yu , AI Ling-xian. Novel Group Authentication Key Agreement Scheme[J]. Computer Engineering, 2012, 38(6): 132-134 |
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| Authors: | LIU Jing-lei HU Hong-yu AI Ling-xian |
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| Affiliation: | (Computer Department,Hunan Yongzhou Vocational Technology College,Yongzhou 425000,China) |
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| Abstract: | This paper proposes a new ID-based group authenticated key agreement protocol with a formal security proof in standard model based on the Decision of Bilinear Diffie-Hellman(DBDH) assumption.This protocol considers the dynamic property for group members completely which can solve the problem that the dynamitic of the members.Security performance analysis shows that the protocol can realize the secure key agreement with low computational cost. |
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| Keywords: | cryptography key agreement standard model ID-based cryptography identity authentication Decision of Bilinear Diffie-Hellman(DBDH) problem |
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