Özet:

Abstract The Internet of Things (IoT) has grown dramatically in recent years, it is due to its big impact on people's daily life in critical applications like healthcare, smart homes, smart cities, and smart everything. It also attracts industries and researchers to work on this technology. IoT devices are susceptible to be compromised because of their network capacities, very low computing power, limited battery life, and data storage. The biggest obstacle to the adoption of IoT systems has been recognized as the requirement for lightweight and energy-efficient security solutions to secure smart devices and stored data. In this paper we have reviewed fourty five papers that are related to IoT hashing algorithms and its optimizations, and the papers were published from 2018 and 2022. The papers were then filtered and analyzed. After filtration process, fourteen papers were removed from the list, since they were not totally pertinent to the problem and thirty one papers left for analysis. Among these papers. Among of these thirty one papers, eighteen studies (58%) are focusing on Application layer security, more specifically they focused on Authentication in IoT System.

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