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传感器网络中一种可靠的对密钥更新方案
引用本文:温蜜,陈克非,郑燕飞,李晖.传感器网络中一种可靠的对密钥更新方案[J].软件学报,2007,18(5):1232-1245.
作者姓名:温蜜  陈克非  郑燕飞  李晖
作者单位:1. 上海交通大学,计算机科学与工程系,上海,200240
2. 上海交通大学,计算机科学与工程系,上海,200240;上海交通大学,信息安全工程学院,上海,200240
基金项目:高等学校博士学科点专项科研项目
摘    要:提出了一种基于预分发和协作的可靠的对密钥更新方案RPKU(reliable pairwise key-updating).借助于一种改进的Blom密钥矩阵构造方法,该方案能够随着网络的动态变化而动态伸缩各个节点的密钥信息,从而解决了由于节点被攻击所导致的密钥泄漏和密钥连通性下降等问题.该方案还提出了一种基于分簇型传感器网络结构的密钥预分发方法,使得任意两个相邻节点间都能建立一个对密钥.仿真结果表明,与已有的密钥方案相比,该方案在安全性、密钥连通性和扩展性等方面都具有明显的优势.

关 键 词:无线传感器网络  密钥分发  密钥更新  Blom密钥矩阵  安全
收稿时间:2006-12-29
修稿时间:2007-02-14

A Reliable Pairwise Key-Updating Scheme for Sensor Networks
WEN Mi,CHEN Ke-Fei,ZHENG Yan-Fei and LI Hui.A Reliable Pairwise Key-Updating Scheme for Sensor Networks[J].Journal of Software,2007,18(5):1232-1245.
Authors:WEN Mi  CHEN Ke-Fei  ZHENG Yan-Fei and LI Hui
Institution:1.Department of Computer Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China; 2.School of Information Security and Engineering, Shanghai Jiaotong University, Shanghai 200240, China
Abstract:This paper proposes a reliable pairwise key-updating (RPKU) scheme for clustered WSNs via predistribution and local collaboration approaches. Based on the modified version of Blom's matrix construction, this scheme can extend and shrink the pairwise keys in WSNs with the network topology changes. This scheme also presents a hierarchical key distribution method in the clustered WSNs, guaranteeing that any pair of neighboring nodes can find a common secret key between themselves. Comparison and simulation results show that the proposed scheme outperforms most of the existing pairwise key establishment schemes in terms of network security, key connectivity and scalability.
Keywords:wireless sensor network  key distribution  key-updating  Blom's matrix  security
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