无线传感器网络综合了传感器技术、嵌入式技术、分布式信息处理技术和无线通信技术,广泛应用于军事、工业、医疗、交通等诸多方面。安全问题是重要的问题,在无线传感器网络中,安全管理最核心的问题就是密钥的管理。在介绍无线传感器网络基本概念、特征基础上,结合密钥管理技术,阐述了网络影响密钥管理机制执行的约束因素,并给出研究适用于传感器网络密钥管理机制的研究思路。
Wireless sensor network (WSN) imegrates sensor, embedded computing system, distributed information processing and wireless communication technologies. WSN applications include military affairs, industry, medical treatment, traffic and family. Security is importam, key management is the core of security. The basic concepts and characters are introduced, combing with key management technology. Constraints of key mansgement protocol in WSN are discussed in detail and several future research directions are put forward.