Abstract
To order and provide services, IoT devices need to communicate and talk to many other devices before these services are provided. However, in complex and heterogeneous systems, certain devices need to trust each other. In this paper, we present an approach that is combined of two lines of defense to help build trust in IoT scenarios and to provide more secure interaction. The paper presents a precisely engineered ontology that serves as the main knowledge base for the definition and semantic registration for the entities within the IoT perimeter to facilitate their automated deployment. We show, in this paper, how trust can be used as a pre-defense step for authorization in flexible and an adaptive manner using semantic web technologies. We develop a proof of concept implementation and give the complexity analysis for our approach.
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