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簇状传感器网络临时分类密钥管理协议

DOI: 10.13190/jbupt.200803.63.285, PP. 63-66

Keywords: 簇状传感器网络,密钥管理,逻辑密钥树,临时分类密钥

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Abstract:

提出了一种基于密钥树的簇状传感器网络临时分类密钥管理方法.采用DH密钥协商算法和逻辑密钥树分发节点间通信使用的三类密钥;使用事件激发来启动密钥系统更新,以确保网络拓扑变化时的密钥安全.实验表明密钥协商算法适当地增加计算量,但有效地降低了通信负载,并且减少了密钥占用的存储空间;动态更新策略能自适应网络拓扑变化,提高了密钥系统的安全性.

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