基于相邻节点协作的无线传感器网络安全协议

Security Protocol in Wireless Sensor Networks Based on Neighbor Node Cooperation

为了解决无线传感器网络(WSN)密钥管理与认证协议设计中节点频繁的信息交换所带来的能量消耗过大的问题,提出了一种基于相邻节点协作的改进型密钥分配方案.该方案在节点密钥建立过程中加入了相邻节点的相关信息,结合密钥预分配技术,在提高系统抗毁性的同时,进一步降低了节点密钥建立的通信成本.与LEAP、NEKAP进行比较,结果表明,密钥分配方案在安全认证、抵御重放攻击以及节能等方面更具优势.

In order to solve excessive consumption of energy due to the message exchange for key management in WSN frequently, an improved security key management protocol based on neighbor node cooperation is proposed. In this protocol,we put the neighbor node information in the process of key establishment,integrate with key pre-distribution technology, which enhance the survivability of our network, but less energy consumption in message communication. Compare with LEAP and NEKAP protocol, the proposed security protocol provides effectiveness in terms of authentication security, replay attack resilience and energy consumption.