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Evaluating Dynamic Approaches to Key (Re-)Establishment in Wireless Sensor Networks

机译:评估无线传感器网络中关键(重新)建立的动态方法

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摘要

Wireless sensor networks with a large number of cheap low-power interconnected devices bring up challenging tasks when considering the security of their communications. In our previous work, we presented two approaches for the design of dynamic protocols for link key (re-)establishment in ad hoc networks, using two elements studied earlier—secrecy amplification and key extraction from radio channel fading. The goal of this article is to provide a unified approach to the design of these protocols, together with their experimental verification, in a real network with various settings. The overall results of our experiments show that our dynamic combination of secrecy amplification and key extraction from radio channel fading saves a significant portion of messages with corresponding energy expenditure and can adapt to a much wider scale of environments when compared to previous solutions based on the exploitation of the individual elements of secrecy amplification and key extraction from radio channel fading.
机译:考虑到其通信的安全性,带有大量廉价低功耗互连设备的无线传感器网络带来了艰巨的任务。在我们之前的工作中,我们提出了两种用于设计ad hoc网络中链路密钥(重新)建立动态协议的方法,其中使用了先前研究的两个元素-保密放大和从无线电信道衰落中提取密钥。本文的目的是在具有各种设置的真实网络中,为这些协议的设计及其实验验证提供统一的方法。实验的总体结果表明,与以前基于剥削的解决方案相比,我们的保密放大和从无线电信道衰落中提取密钥的动态组合节省了相当多的消息,并节省了相应的能源消耗,并且可以适应更大范围的环境从无线电信道衰落中秘密放大和密钥提取的各个元素的概述。

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