WSN中散列链改进的分簇密钥管理方法

摘要

在大规模部署无线传感器网络情况下，分簇密钥管理方法中存在安全性、复杂性与计算开销之间的矛盾，通过散列链对q-composite密钥管理方案进行改进，将其应用于分簇结构中，提出了一种基于分簇结构的密钥管理方法。仿真结果表明，该方法在大规模网络中具有良好的扩展性，能显著提高网络的抗捕获能力，维持较高的安全连通率。%Aiming at the problems that under the condition of large-scale deployment of wireless sensor network,clustering key management methods had contradictions in terms of safety,complexity and computational overhead,by using hash chain, q-composite key management scheme was improved and applied to clustering structure.A scheme based on clustering network hash chain was proposed.The scheme was easy to implement and excellently performed.The simulation results showed that this scheme had good large-scale network scalability,significantly improved the network anti-capture capabilities,and maintain a higher rate of security connectivity.