基于LEACH协议的无线传感器网络密钥管理路由方案

Routing Scheme of Key Management in Wireless Sensor Network Based on the LEACH

针对无线传感器网络中节点易受攻击从而导致密钥泄露的问题,本文提出了一种基于LEACH协议的无线传感器网络密钥管理路由方案。该方案以LEACH协议为基础,引入管理节点来负责密钥的预分发、成对密钥的建立和密钥的更新,同时结合密钥池的生成,利用哈希函数和三元多项式函数来完成密钥的加密和成对密钥的建立,保证了无线传感器网络的畅通性和安全性。仿真结果表明,该方案有效地提高了无线传感器网络的抗毁性,延长了网络的生命周期。

Specific to treatment the issues about vulnerable nodes leading to the key leakage in the Wireless Sensor Network,this paper proposes a routing scheme of key management in Wireless Sensor Network based on the LEACH.The scheme is based on LEACH protocol,and brings in the management node which is responsible for predistributing the keys,setting up the key pairs and redistributing the keys.Combining with the generating of key pool,it utilizes Hash function and ternary polynomial for the key encryption and building the key pairs,and guarantees communication and security in Wireless Sensor Network. The simulation results show that the scheme is improving the invulnerability effectively and prolonging the lifetime in Wireless Sensor Network.