基于多因素信任的分布式信任模型

摘要/Abstract

摘要：

提出了一种基于多因素信任的分布式信任模型,通过引用时效函数来区分不同时间内的信任在直接信任度中的重要性。在计算节点的综合信任值时,通过对节点剩余能量的分析,加入了能量信任值,并通过将通信信任和能量信任结合在一起,适当地调节通信信任和能量信任的权重大小来评价传感器节点的可信度。仿真实验与分析证明,该模型较其他模型,能更快的识别出恶意节点,在节点交互成功率和网络的安全性方面均有大幅提高。

关键词: 无线传感器网络, 信任模型, 时效函数, 安全性

Abstract:

A distributed trust model is proposed based on multi-factor trust.The proposed trust model introduces an aging function to distinguish the importance of trust in different time.When calculating the comprehensive trust value of nodes,the model increases the trust of energy by analyzing the residual energy of node.Also,the model combines the trust of communication and the trust of energy and properly adjusts the size of the weight between communication trust and energy trust to evaluate the credibility of sensor nodes.Simulation experiment and analysis shows that this model can quickly identify malicious nodes with improves successful rate of trading by nodes and security of information in the network system when compared with other models.

Key words: wireless sensor network;trust model;aging function;security

中图分类号:

TN926

陈淑晓. 基于多因素信任的分布式信任模型[J]. , 2015, 28(3): 50-.

CHEN Shuxiao. Distributed Trust Model Based on Multi-factor Trust[J]. , 2015, 28(3): 50-.

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