期刊
IEEE ACCESS
卷 10, 期 -, 页码 76805-76823出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2022.3189998
关键词
Smart devices; Smart cities; Internet of Things; Cloud computing; Authentication; Wireless sensor networks; Security; Ubiquitous computing; IoT; authentication; IoT-enabled smart device; smart city; blockchain; decentralized ledger technology; cyber-physical system; Internet of Things; security
Mechanisms based on the distributed environment have influenced various industries to develop robust privacy and security solutions. IoT-based smart devices are crucial for Cyber-Physical Systems, and security and privacy have become integral to their architectural frameworks. Blockchain technology has emerged as a leading solution for developing robust privacy and security mechanisms. Lightweight solutions for managing authentication data of IoT-enabled assets are essential, and further exploration is needed in decentralized ledger technology and lightweight cryptosystems.
The mechanisms based on the distributed environment have become an obvious choice for solutions, while they have not been limited only to a specific domain (i.e., crypto-currency). Rather, it has influenced other industries to develop robust privacy and security solutions, such as smart houses, smart electrical grids, smart agriculture, smart health care, smart transportation, etc. These Cyber-Physical Systems heavily depend on IoT-based smart devices that constitute a networked system of devices dependent on each other for the smooth operation of the overall system. Hence, security and privacy have become integral to all the architectural frameworks they operate in. The adoption of these architectures, such as the Internet of Things (IoT), Internet of Cyber-Physical Things (IoCPT), Cyber-Physical Systems (CPSs), and Internet of Everything (IoE), has reinforced the need to develop solutions based on a distributed environment. Distributed ledger technology, i.e., Blockchain, has taken the lead and may support the development of robust privacy and security solutions. We provide an updated review of authentication mechanisms developed on blockchain technology that enforce decentralized architectures. We discuss the security issues regarding the authentication of these IoT-enabled smart devices. We evaluate and analyze the study of the proposed literature schemes that pose authentication challenges in terms of computational costs, communication overheads, and models applied to attain robustness. Hence, lightweight solutions for managing, maintaining, processing, and storing authentication data of IoT-enabled assets are a must. From an integration perspective, cloud computing has provided strong support. In contrast, decentralized ledger technology, i.e., Blockchain, and lightweight cryptosystems are the areas for much more to explore. Finally, we discuss the future research challenges, which present an improvement standpoint to help address the ambiguities.
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