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中文摘要：
随着无线传感器网络在生活各个领域的渗透，安全机制已经成为制约其发展的主要原因之一。认证是安全机制中的重要部分，研究无线传感器网络的认证机制具有重要意义。在剖析无线传感器网络面临的内部安全和外部安全的基础上，分析安全策略的实体认证和信息认证，针对不同的安全问题描述了相应的认证方案。通过对现有认证方案的分析，提出了几种研究认证机制的设想。
英文摘要：
With the wireless sensor networks infiltrating in each field of our life, the security mechanism has already become one of the main reasons of restricting its development. As authentication is an important part in the security mechanism, it is significant to study the authentication mechanism of wireless sensor networks. On the basis of analyzing the inside security and the outside security that wireless sensor networks are facing, entity authentication and information authentication of the security tactics are analyzed. Besides the corresponding authentication scheme aiming at different security problems is described. Via analyzing a sort of existing authentication schemes, several conception of research authentication mechanisms are pointed out.
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