Journal
2019 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS (ICC WORKSHOPS)
Volume -, Issue -, Pages -Publisher
IEEE
DOI: 10.1109/iccw.2019.8756673
Keywords
Blockchain; LoRaWAN Join Procedure; LoRaWAN; Authentication; Internet of Things
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Recently, there has been increasing interest in employing blockchain in different applications, other than crypto-currencies. Blockchains allow a peer to peer distributed network where different nodes communicate with each other, in a trustless manner. Long Range Wide Area Network (LoRaWAN) is an Internet of Things (IoT) technology, which enables long range communication. Although LoRaWAN networks are secure, the LoRaWAN join procedure is susceptible to replay and jamming attacks. Moreover, trust between network server and LoRa end device is the basic foundation of LoRaWAN network however, the centralized nature of network servers raise trust issues between network operators and customers. To solve this problem, we propose a lightweight two factor authentication mechanism for LoRaWAN join procedure, based on blockchain technology. The proposed blockchain based framework provides an extra layer of security for LoRaWAN join procedure and build trust among LoRaWAN network components. The proposed framework is validated using the Ethereum blockchain. The results demonstrate that the proposed framework provides efficient system performance in terms of throughput and latency. The proposed blockchain architecture is a cost effective solution, which can be utilized in the LoRaWAN network with few network servers and LoRa end device, having no strict requirement of throughput and latency.
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