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FogAuthChain: A secure location-based authentication scheme in fog computing environments using Blockchain

Patwary, AA-N, Fu, A, Battula, SK, Naha, RK ORCID: 0000-0003-4165-9349, Garg, S ORCID: 0000-0003-3510-2464 and Mahanti, A 2020 , 'FogAuthChain: A secure location-based authentication scheme in fog computing environments using Blockchain' , Computer Communications, vol. 162 , pp. 212-224 , doi: 10.1016/j.comcom.2020.08.021.

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Fog computing is an emerging computing paradigm which expands cloud-based computing services near the network edge. With this new computing paradigm, new challenges arise in terms of security and privacy. These concerns are due to the distributed ownership of Fog devices. Because of the large scale distributed nature of devices at the Fog layer, secure authentication for communication among these devices is a major challenge. The traditional authentication methods (password-based, certificate-based and biometric-based) are not directly applicable due to the unique architecture and characteristics of the Fog. Moreover, the traditional authentication methods consume significantly more computation power and incur high latency, and this does not meet the key requirements of the Fog. To fill this gap, this article proposes a secure decentralised location-based device to device (D2D) authentication model in which Fog devices can mutually authenticate each other at the Fog layer by using Blockchain. We considered an Ethereum Blockchain platform for the Fog device registration, authentication, attestation and data storage. We presented the overall system architecture, various participants and their transactions and message interaction between the participants. We validated the proposed model by comparing it with the existing method; results showed that the proposed authentication mechanism was efficient and secure. From the performance evaluation, it was found that the proposed method is computationally efficient and secure in a highly distributed Fog network.

Item Type: Article
Authors/Creators:Patwary, AA-N and Fu, A and Battula, SK and Naha, RK and Garg, S and Mahanti, A
Keywords: fog computing, security and privacy, authentication, device-to-device communication, blockchain, digital identity, location management
Journal or Publication Title: Computer Communications
Publisher: Elsevier Science Bv
ISSN: 0140-3664
DOI / ID Number: 10.1016/j.comcom.2020.08.021
Copyright Information:

Copyright 2020 Elsevier B.V.

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