Abstract
Rapid development in the Internet of Things every day more and more devices are touching the human world from CCTV cameras to light sensors to washing machines to smoke sensors etc. When IoT device communicates with each other there are many issues and challenges regarding security and privacy. One of the important issue is trust management and how to calculate the trust score. This issue and challenge are proposed in this paper. The proposed method makes trust score calculation in IoT very much promising. The fuzzy method is proposed in this paper that is more reliable than other fuzzy approaches used in the past. This fuzzy approach uses three linguistic values for six parameters which are calculated from data collected from IoT devices. The output of the fuzzy method is a fuzzy set which has three linguistic value. In this paper, we have also generated real-time datasets using a fuzzy approach and calculating all six parameters whose values are extracted from devices. We generate two datasets and compare them to check our approach of calculating the trust score is correct or not.
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