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An Embedded Sensor Node Microcontroller with Crypto-Processors

机译:具有加密处理器的嵌入式传感器节点微控制器

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摘要

Wireless sensor network applications range from industrial automation and control, agricultural and environmental protection, to surveillance and medicine. In most applications, data are highly sensitive and must be protected from any type of attack and abuse. Security challenges in wireless sensor networks are mainly defined by the power and computing resources of sensor devices, memory size, quality of radio channels and susceptibility to physical capture. In this article, an embedded sensor node microcontroller designed to support sensor network applications with severe security demands is presented. It features a low power 16-bitprocessor core supported by a number of hardware accelerators designed to perform complex operations required by advanced crypto algorithms. The microcontroller integrates an embedded Flash and an 8-channel 12-bit analog-to-digital converter making it a good solution for low-power sensor nodes. The article discusses the most important security topics in wireless sensor networks and presents the architecture of the proposed hardware solution. Furthermore, it gives details on the chip implementation, verification and hardware evaluation. Finally, the chip power dissipation and performance figures are estimated and analyzed.
机译:无线传感器网络的应用范围从工业自动化和控制,农业和环境保护到监视和医学。在大多数应用程序中,数据是高度敏感的,必须受到保护,免受任何类型的攻击和滥用。无线传感器网络中的安全挑战主要由传感器设备的能力和计算资源,内存大小,无线电信道的质量以及对物理捕获的敏感性来定义。在本文中,提出了一种嵌入式传感器节点微控制器,该微控制器旨在支持具有严格安全要求的传感器网络应用。它具有一个低功耗16位处理器内核,该内核由许多硬件加速器支持,这些硬件加速器旨在执行高级加密算法所需的复杂操作。该微控制器集成了嵌入式闪存和8通道12位模数转换器,是低功耗传感器节点的理想解决方案。本文讨论了无线传感器网络中最重要的安全主题,并提出了所提出的硬件解决方案的体系结构。此外,它还提供了有关芯片实现,验证和硬件评估的详细信息。最后,估计并分析了芯片的功耗和性能指标。

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