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An Efficient Key-Update Scheme for Wireless Sensor Networks

机译:无线传感器网络的高效密钥更新方案

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摘要

A novel key-update scheme is proposed for wireless sensor networks. The center server in a wireless sensor network first broadcasts a series of randomly generated code slices to sensor nodes. Upon receiving all the code slices, the sensor nodes find their neighboring coordinators to generate a permutation of slice numbers and send this permutation back to the center server. The center server and the sensor nodes can thus assemble a common program based on the permutation to derive their common key. Subsequent key-updates can then be done by this program based on the previous keys. The proposed scheme is simple, efficient, and is secure if the sensor nodes cannot be compromised within a short bound of time.
机译:针对无线传感器网络提出了一种新颖的密钥更新方案。无线传感器网络中的中心服务器首先将一系列随机生成的代码片广播到传感器节点。接收到所有代码切片后,传感器节点会找到其相邻的协调器以生成切片编号的排列,并将此排列发送回中心服务器。中心服务器和传感器节点因此可以基于排列组合公共程序以导出它们的公共密钥。然后,该程序可以根据先前的键来进行后续的键更新。如果传感器节点不能在短时间内受到损害,则所提出的方案简单,高效且安全。

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