A Trust-based Secure Service Discovery (TSSD) Model for Pervasive Computing
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To cope with the challenges posed by device capacity and capability, and also the nature of ad hoc networks, a Service discovery model is needed that can resolve security and privacy issues with simple solutions. The use of complex algorithms and powerful fixed infrastructure is infeasible due to the volatile nature of pervasive environment and tiny pervasive devices. In this paper, we present a trust-based secure Service discovery model, TSSD (trust-based secure service discovery) for a truly pervasive environment. Our model is a hybrid one that allows both secure and non-secure discovery of services. This model allows Service discovery and sharing based on mutual trust. The security model handles the communication and service sharing security issues. TSSD also incorporates a trust mode for sharing Services with unknown devices.