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无线传感器网络针对多维网格的密钥预分配方案的改进

An Improvement of Hypercube-Based Key Pre-Distribution Scheme for Wireless Sensor Network
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摘要 WSN自身特点决定了安全是对WSN研究中最为重要和最为基本的问题,尤其是密钥管理机制.本文在深入分析基于二元多项式的多维网格密钥预分配机制的基础上,对该方案进行了改进,保留其在内存需求方面较目前提出的其他方案都要小的优点,克服了不具备密钥更新功能,安全性不够理想的缺点.新的多维网格密钥预分配方案可以进行密钥更新,在只增加少量的内存需求的条件下大大提高了系统的安全性,更适用于WSN的实际应用. Security becomes the most important and basic aspect of WSN research because of WSN＇s own characteristics, especially the key management mechanism. The paper proposed an improvement of the Hypercube-based scheme based on dual-variate polynomials by deep analysis. The new scheme reserves the merit of less memory than other schemes and overcomes the drawback of lacking key update ability. The new Hypercube-based scheme can update key and improve the system security with little memory increase. It is more suitable for WSN＇s practical application.
作者 吴昊 程超
机构地区 北京交通大学轨道交通控制与安全国家重点实验室
出处 《北京交通大学学报》 CAS CSCD 北大核心 2009年第2期117-121,共5页 JOURNAL OF BEIJING JIAOTONG UNIVERSITY
基金 国家自然科学基金-铁道联合重点资助项目(60830001)
关键词 无线传感器网络 多维网格密钥预分配 密钥更新 安全 wireless sensor network security hypercube-based key pre-distribution scheme key update
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献8

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共引文献1708

北京交通大学学报
2009年 第2期

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