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中文摘要：
密码学和认证是为提供网络安全的传统的途径。然而，他们不为解决恶意的节点损害导致无效数据传播并且由使用邪恶行为浪费资源的整个无线传感器网络的问题是足够的。这篇论文为无线传感器网络提出扩大层次信任体系结构，并且由三级的框架建立信任会众。方法联合统计，经济与为开发分别地评估簇头节点和普通传感器节点的二个信任模型加密机制。模型从命令节点形成 logicaltrusted 连接到网络能在安全、可靠的情形运用的普通传感器节点和保证。
英文摘要：
Cryptography and authentication are traditional approach for providing network security. However, they are not sufficient for solving the problems which malicious nodes compromise whole wireless sensor network leading to invalid data transmission and wasting resource by using vicious behaviors. This paper puts forward an extended hierarchical trusted architecture for wireless sensor network, and establishes trusted congregations by three-tier framework. The method combines statistics, economics with encrypt mechanism for developing two trusted models which evaluate cluster head nodes and common sensor nodes respectively. The models form logical trusted-link from command node to common sensor nodes and guarantees the network can run in secure and reliable circumstance.
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