基于动态防御技术的无线网络安全模型改进

Improvement of wireless network security model based on dynamic defense technology

针对无线传感器网络的安全性问题,基于动态防御技术提出了一种具备多种安全策略的主动式防御安全模型.通过分析无线传感器网络的研究现状与安全需求,选取适当的安全策略和技术,建立基于动态防御技术的无线传感器网络的安全模型.利用NS2软件和MATLAB软件对基于动态防御技术的安全模型进行仿真,统计和分析无线传感器网络的节点在多种模式下接收数据量.仿真结果表明,与经典群密钥算法相比,所提出的安全模型具有更加优秀的安全性能和通信性能.

Aiming at the security problem of wireless sensor networks,an active defense security model with multiple security policies based on dynamic defense technology was proposed.By analyzing the research status and security requirements of wireless sensor networks,some applicable security strategies and technologies were selected,and a security model for wireless sensor networks based on dynamic defense technology was established.NS2 and MATLAB software was used to simulate the security model based on dynamic defense technology,and the amount of data received by nodes in wireless sensor networks under various modes was recorded and analyzed.Simulation results show that the as-proposed security model has better security and communication performances compared with the classical group key algorithm.