sensors Article A Survey of Internet of Things (IoT) Authentication Schemes † Mohammed El-hajj 1,2,*, Ahmad Fadlallah 1 , Maroun Chamoun 2 and Ahmed Serhrouchni 3,* 1 University of Sciences and Arts in Lebanon, Beirut 1002, Lebanon;
[email protected] 2 Saint Joseph University, Beirut 1514, Lebanon;
[email protected] 3 Telecom ParisTech, 75013 Paris, France * Correspondence:
[email protected] (M.E.-h.);
[email protected] (A.S.) † This paper is an extended version of two papers previously published by the authors in 2017. The first one is: In Proceedings of the 2017 1st Cyber Security in Networking Conference (CSNet), Rio de Janeiro, Brazil, 18–20 October 2017; pp. 1–3 and the second one is: In Proceedings of the 2017 IEEE 15th Student Conference on Research and Development (SCOReD), Putrajaya, Malaysia, 13–14 December 2017; pp. 67–71. (check the references section). Received: 23 January 2019; Accepted: 27 February 2019; Published: 6 March 2019 Abstract: The Internet of Things (IoT) is the ability to provide everyday devices with a way of identification and another way for communication with each other. The spectrum of IoT application domains is very large including smart homes, smart cities, wearables, e-health, etc. Consequently, tens and even hundreds of billions of devices will be connected. Such devices will have smart capabilities to collect, analyze and even make decisions without any human interaction. Security is a supreme requirement in such circumstances, and in particular authentication is of high interest given the damage that could happen from a malicious unauthenticated device in an IoT system.