Enhancing Key Management in LoRaWAN with Permissioned Blockchain

• DOI: 10.3390/s20113068
• Publication Date: 2020-06-02T13:19:27Z
• Authors: Victor Ribeiro; Raimir Holanda; Alex Ramos; Joel J. P. C. Rod...
• Keywords: LPWAN

Low-Power Wide-Area Network (LPWAN) is one of the enabling technologies Internet Things (IoT), and focuses on providing long distance connectivity for a vast amount smart devices. Currently, LoRa leading LPWAN solutions available public use. In LPWANs, especially in LoRa, security major concern due to resource constraints devices, sensitivity level transmitted data, large connected among other reasons. This paper studies key management mechanism LoRaWAN environments. A secure architecture based contracts permissioned blockchain enhance availability networks proposed. To demonstrate feasibility proposed blockchain-based architecture, working prototype has been created using open-source tools commodity hardware. Performance analysis shows that presents similar execution time latency values, when compared traditional system, small medium-sized networks. We also discuss why solution can be used environments with number end-devices.