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中文摘要：
针对WSN缺乏有效管控的安全问题,提出一种可信WSN安全方案—TWSN（Trust Wireless Sensor Networks）。依据可信网络＂可认证、可评估、可控制＂的思想,TWSN采用双向身份认证协议、＂分级按需＂的密钥分发机制和基于节点可信度的路由机制实现WSN的可认证、可评估,通过采用两层分簇结构和定义多种角色和可信级别的节点实现WSN的可控制。安全分析和模拟仿真表明,TWSN方案能有效应对各种常见的WSN攻击,并具备良好的节点能耗均衡特性。
英文摘要：
In order to deal with the WSN＇s security problem due to the lack o{ effective control, a trusted security scheme of WSN （TWSN） is presented. Based on trust network＇s authenticated, assessable, controllable characteristics, the TWSN adopts bidirectional iden- tity authentication, hierarchical on-demand key distribution mechanism and credibility-based node routing mechanism to achieve a authentica- tion and assessment of WSN. By defining several kinds of roles and trust levels of nodes, strictly hierarchicaI management is attained. Through the two layers of cluster structure and definition of a variety of roles and trust level of node get the WSN controlled. Security analy- sis and simulation show that the TWSN can effectively cope with most of common WSN attacks, and also has good node energy equilibrium characteristics.
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