| 一种改进的会议密钥分配方案 |
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| 引用本文： | 刘忆宁,曹建宇,叶俊,丁勇.一种改进的会议密钥分配方案[J].计算机工程,2010,36(22):122-124. |
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| 作者姓名： | 刘忆宁 曹建宇 叶俊 丁勇 |
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| 作者单位： | (1. 桂林电子科技大学数学与计算科学学院，广西 桂林 541004；2. 四川理工学院理学院，四川 自贡 643000) |
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| 基金项目： | 国家自然科学基金资助项目，广西自然科学基金资助项目，桂林电子科技大学基金资助项目 |
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| 摘 要： | 基于Diffie-Hellman公钥分配体系和密封锁，给出一种改进的会议密钥分配方案。理论分析证明，该方案能够保证组成员的匿名性，防止被动攻击、重放攻击、伪造攻击，具有良好的可扩展性，并且组成员可以验证自己是否被邀请参加当前会议。与同类方案相比，该方案的密钥分配过程和恢复过程的计算量更小。
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| 关 键 词： | 会议密钥 密封锁 Diffie-Hellman公钥分配体系 匿名性 |
Improved Conference Key Distribution Scheme |
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| LIU Yi-ning,CAO Jian-yu,YE Jun,DING Yong.Improved Conference Key Distribution Scheme[J].Computer Engineering,2010,36(22):122-124. |
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| Authors: | LIU Yi-ning CAO Jian-yu YE Jun DING Yong |
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| Affiliation: | (1. School of Mathematics & Computational Science, Guilin University of Electronic Technology, Guilin 541004, China; 2. School of Science, Sichuan University of Science & Engineering, Zigong 643000, China) |
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| Abstract: | Based on Diffie-Hellman public key distribution system and a sealed lock, this paper proposes an improved conference key distribution scheme. Theory analysis proves that the scheme has good scalability, provides anonymity of the conference group members, and can prevent passive attacks, replay attacks and forgery attacks. With the scheme, the group members can verify if they are invited to attend the conference. Compared with the previous schemes, the scheme is less computational. |
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| Keywords: | conference key sealed lock Diffie-Hellman public key distribution system anonymity |
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