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Blockchain Platforms and Access Control Classification for IoT Systems

1
Department of Computer Science, Faculty of Computing and Information Technology, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia
2
Department of Computer Science, College of Computing at Alqunfudah Umm Al-Qura University, Makkah 21514, Saudi Arabia
3
Department of Information Systems, Faculty of Computing and Information Technology, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia
*
Author to whom correspondence should be addressed.
Symmetry 2020, 12(10), 1663; https://doi.org/10.3390/sym12101663
Received: 6 September 2020 / Revised: 29 September 2020 / Accepted: 3 October 2020 / Published: 12 October 2020
The Internet of Things paradigm is growing rapidly. In fact, controlling this massive growth of IoT globally raises new security and privacy issues. The traditional access control mechanisms provide security to IoT systems such as DAC (discretionary access control) and mandatory access control (MAC). However, these mechanisms are based on central authority management, which raises some issues such as absence of scalability, single point of failure, and lack of privacy. Recently, the decentralized and immutable nature of blockchain technology integrated with access control can help to overcome privacy and security issues in the IoT. This paper presents a review of different access control mechanisms in IoT systems. We present a comparison table of reviewed access control mechanisms. The mechanisms’ scalability, distribution, security, user-centric, privacy and policy enforcing are compared. In addition, we provide access control classifications. Finally, we highlight challenges and future research directions in developing decentralized access control mechanisms for IoT systems. View Full-Text
Keywords: access control (AC); blockchain; Internet of Things (IoT); AC classification; security; privacy access control (AC); blockchain; Internet of Things (IoT); AC classification; security; privacy
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Abdi, A.I.; Eassa, F.E.; Jambi, K.; Almarhabi, K.; AL-Ghamdi, A. .-M. Blockchain Platforms and Access Control Classification for IoT Systems. Symmetry 2020, 12, 1663.

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