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中文摘要：
安全机制中密钥管理方案的研究一直是无线传感器网络的研究热点。从无线传感器网络的安全分析入手。在分类描述分布式和分簇式密钥管理方案并分析其优缺点的基础上，提出几点设计密钥管理方案的研究设想。
英文摘要：
Security is vital to determine whether wireless sensor network can be fully developed or not, and for network security, key management is the most vital at all. As a result, it is a continuously hot spot to research in this subject. Starting with the analysis of security in wireless sensor network, this paper describes several schemes of security key managements, discussing them in sorts of distributed and clustered, and comparing their advantages and disadvantages. Based on the discussion, it brings forward several research assumptions for designing security key management.
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