Indian Journal of Science and Technology

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Background/Objectives: With the recent development of smart technology, services that connect various objects in daily life with the Internet are increasing. However, there is a possibility that user information (e.g., privacy) may be revealed and maliciously used by third parties in the process of receiving services by connecting things with the Internet. Methods/Statistical Analysis: In this paper, an Internet of Things (IoT) authentication scheme based on joint probability in the IoT environment is proposed, which allows the safe sharing of user information for users of various IoT services. Findings: The proposed scheme improved the security of IoT devices by assigning random variables to critical information of the IoT devices in the information transmission and reception processes. Furthermore, the information of IoT devices to which random variables were assigned was interconnected through joint probability to improve the information accessibility of users. Application/Improvements: The performance evaluation results indicate that the proposed scheme improved security strength by 5.2%, information process time by 7.8%, and lowered the server overhead by 3.5% on average.

Keywords

Authentication, Cryptography, IoT, Probability Theory, Security.
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