| 基于UCKG的密钥管理策略 |
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| 作者姓名： | 杨福荣 刘昌进 |
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| 作者单位： | 中国科学技术大学信息安全专业 , 合肥 230027 |
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| 摘 要： | Ad hoc网络的密钥管理技术是影响Ad hoc网络发展的重要因素，本文对Ad hoc现存密钥管理技术进行了研究。在基于身份密码系统的基础上，提出了UCKG（User Contributed Key Generation）密钥生成策略及分布式密钥管理协议，克服了身份密码系统存在PGC欺骗以及需要安全信道分发密钥的缺陷。对UCKG分布式密钥管理协议使用NS工具进行了性能仿真，当网络具有较好的连通性时，提出的密钥管理协议具有较好的性能。
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| 关 键 词： | Ad hoc网络 密钥管理 基于身份的密码系统 |
UCKG-based key management protocol |
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| Authors: | Yang Fu-Rong Liu Chang-Jin |
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| Institution: | Department of Information security , University of Science and Technology of China, Hefei 230027, China |
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| Abstract: | Key management protocol is a key problem for Ad hoc network security. In this paper, we introduced a user contributed key generation strategy (UCKG) based on the identity based cryptography (IBC). Compared to IBC key generation strategy, UCKG has no PGC-cheating problem and no requirement of secure channel for key distribution. We also proposed a distributed key management protocol for UCKG and simulated it with NS-2. The simulation results show that while the network had the good connectivity, the distributed key management protocol has good performance. |
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| Keywords: | Ad hoc networks key management Identity based cryptography |
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