A Secure and Efficient Protocol for LoRa Using Cryptographic Hardware Accelerators
A Secure and Efficient Protocol for LoRa Using Cryptographic Hardware Accelerators
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DOI：
10.1109/jiot.2023.3304175
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发表时间：
2023-12
影响因子：
10.6
通讯作者：
Steven C. Puckett;Jianqing Liu;S. Yoo;Thomas H. Morris
中科院分区：
文献类型：
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作者：
Steven C. Puckett;Jianqing Liu;S. Yoo;Thomas H. Morris
远程广域网（LoRaWAN）是一种低功耗广域网（LP-WAN）协议，专为低带宽、电池供电的远程传感器开发。然而，LoRaWAN规范有几个安全问题，并利用软件加密，这是不节能的。我们提出的解决方案将修改后的LoRaWAN协议与基于硬件的加密协处理器相结合，该协处理器包括用于加密，解密和数字签名创建的安全片上密钥存储。这种设计降低了无线节点的能量利用率，同时解决了几个LoRaWAN威胁表面。本文提供了减少威胁面的安全分析，并展示了集成解决方案提高LoRaWAN节点的能源效率。
Long-range wide-area network (LoRaWAN) is a low-power wide-area network (LP-WAN) protocol developed for low-bandwidth, battery-operated long-range sensors. However, the LoRaWAN specification has several security issues and utilizes software cryptography, which is not energy efficient. Our proposed solution combines a modified LoRaWAN protocol with a hardware-based cryptographic coprocessor that includes secure on-chip key storage for encryption, decryption, and digital signature creation. This design reduces the energy utilization of the wireless nodes while addressing several of the LoRaWAN threat surfaces. This article provides a security analysis of the reduced threat surfaces and demonstrates the improved energy efficiency of the LoRaWAN nodes with the integrated solution.