基于身份的无线传感器网络密钥系统

Research of Identity-based Key System Scheme for Wireless Sensor Network

无线传感嚣网络(WSN)是一类由众多微型传感器节点通过自组织的方式构成的网络。随着在军事、环境监测等方面的应用逯渐成为现实,其有效和安全通信问题由于自身的特性(如能量、计算能力和节点存储资源等的局限性)而显得更加突出。本文首先比较详细地介绍了无线传感器网络安全结构及其面临的问题;其次重点讨论了无线传感器网络密钥系统相关的研究现状;然后给出了一种有效的基于身份的无线传感器网络密钥系统方案及与其它方案的仿真比较实验。仿真实验结果表明,我们方案较其它密钥系统方案在处理时间和节点存储需求方面具有优势。

Wireless sensor network is a kind of Ad hoc network consisted of hundreds or thousands or more of micro sensor nodes, which has been deployed for many practical applications, including military sensing and tracking, environment and security monitoring, equipment and human monitoring and tracking, etc. Due to limitations of power, computation capability and storage resources, security of wireless sensor networks has received considerable attention. In order to construct a secure network, it is an important challenge to find out suitable key establishment, distribution and encryption schemes for wireless sensor networks. The paper argues about the security concerns firstly and then . surveys the research of key system in wireless sensor network. Finally it presents an efficient key system scheme which is based on identity encryption algorithm for wireless sensor network. Simulation results among our scheme and other traditional key system schemes suggest that our scheme is feasible in wireless sensor network.