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Blockchain in Intelligent Transportation Systems
Article

Practical Homomorphic Authentication in Cloud-Assisted VANETs with Blockchain-Based Healthcare Monitoring for Pandemic Control

Department of Computer Engineering, Chosun University, Gwangju 61452, Korea
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Electronics 2020, 9(10), 1683; https://doi.org/10.3390/electronics9101683
Received: 7 September 2020 / Revised: 24 September 2020 / Accepted: 6 October 2020 / Published: 14 October 2020
(This article belongs to the Special Issue Wireless Sensor Networks in Intelligent Transportation Systems)
Currently, the outbreak of COVID-19 pandemic has caused catastrophic effect on every aspect of our lives, globally. The entire human race of all countries and regions has suffered devastating losses. With its high infectiousness and mortality rate, it is of great significance to carry out effective precautions and prevention of COVID-19. Specifically, the transportation system has been confirmed as one of the crucial spreading routes. Hence, enhancing healthcare monitoring and infection tracking for high-mobility transportation system is infeasible for pandemic control. Meanwhile, due to the promising advantages in the emerging intelligent transportation system (ITS), vehicular ad hoc networks (VANETs) is able to collect and process relevant vehicular data for improving the driving experience and road safety, which provide a way for non-contact automatic healthcare monitoring. Furthermore, the proliferating cloud computing and blockchain techniques enable sufficient processing and storing capabilities, along with decentralized remote auditing towards heterogenous vehicular data. In this case, the automated infection tracking for pandemic control could be achieved accordingly. For the above consideration, in this paper we develop a practical homomorphic authentication scheme for cloud-assisted VANETs, where the healthcare monitoring for all involving passengers is provided. Notably, the integrated cloud-assisted VANET infrastructure is utilized, where the hybrid medical data acquisition module is attached. In this way, timely, non-contact measurement on all passengers’ physical status can be remotely done by vehicular cloud (VC), which could also drastically improve the efficiency and guarantee safety. Vulnerabilities of the employed dedicated-short-range-communication (DSRC) technique could be properly addressed with the applied homomorphic encryption design. Additionally, the decentralized blockchain-based vehicle recording mechanism is cooperatively performed by VC and edge units. Infection tracking on specific vehicle and individual can be offered in this way. Each signature sequence is collaboratively maintained and verified by the current roadside unit (RSU) and its neighbor RSUs. The security analysis demonstrates that the proposed scheme is secure against major attacks, while the performance comparison with the state-of-the-arts relevant methods are presented for efficiency discussion. View Full-Text
Keywords: vehicular ad hoc networks (VANETs); blockchain; homomorphic encryption; pandemic control; infection tracking vehicular ad hoc networks (VANETs); blockchain; homomorphic encryption; pandemic control; infection tracking
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MDPI and ACS Style

Tan, H.; Kim, P.; Chung, I. Practical Homomorphic Authentication in Cloud-Assisted VANETs with Blockchain-Based Healthcare Monitoring for Pandemic Control. Electronics 2020, 9, 1683. https://doi.org/10.3390/electronics9101683

AMA Style

Tan H, Kim P, Chung I. Practical Homomorphic Authentication in Cloud-Assisted VANETs with Blockchain-Based Healthcare Monitoring for Pandemic Control. Electronics. 2020; 9(10):1683. https://doi.org/10.3390/electronics9101683

Chicago/Turabian Style

Tan, Haowen, Pankoo Kim, and Ilyong Chung. 2020. "Practical Homomorphic Authentication in Cloud-Assisted VANETs with Blockchain-Based Healthcare Monitoring for Pandemic Control" Electronics 9, no. 10: 1683. https://doi.org/10.3390/electronics9101683

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