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A study of various authentication mechanisms towards the secure Internet of Things networks

Vairagade Rupali Sachin, Brahmananda S. H.

Control and Cybernetics

2020

Vol. 49, No. 4

393--418

Internet of Things (IoT) plays a major function in the public infrastructure, including power grids, control systems, smart cards, smart cities, intelligent transportation, education, and so on. The IoT networks provide ample benefits arising from transmission of the data between the IoT nodes and the servers. However, security constitutes a major concern in the IoT applications, as secret information may get disclosed to the unauthorized third-party in the network. Thus, secure authentication is a major requirement for managing and communicating with respect to the devices in the IoT environment. In this survey, 50 research papers are reviewed, referring to various authentication protocols used for ensuring adequate security in the network. The authentication methods are categorized on the basis of the security mechanisms, namely, the lightweight approach, the identity approach, the mutual authentication approach, and the cryptography-based authentication approaches, with the challenges faced by these existing methods being reported. Moreover, a simple overview is provided based on authentication protocols, toolsets, and evaluation metrics. Conform to this survey, most of the research articles concentrated on the lightweightbased approaches, and the most commonly applied evaluation metrics include packet loss, throughput, and efficiency.