Access Control Mechanism for Social Internet of Things
Résumé
Abstract The Social Internet of Things (SIoT) is a new paradigm which represents a promising business solution proposed to exploit the large volume of data generated by the IoT devices. Accessing the shared resources and services in SIoT faces one major security challenge among others: access control. An access control mechanism evaluates the access policies and performs consecutive re-delegation operations based on delegation policies. However, the re-delegation cannot be performed when no trust relationships exist between the access requester devices and the permission delegator devices. To overcome this issue, we propose to perform friendship-based re-delegations through a path of trust social relationships. To find this path, we suggest to fetch the social device's profiles by integrating a caching strategy. The evaluation results show that a friendship-based delegation can be applied for any system distinguished by a distributed architecture, large scalability and high dynamicity such as the SIoT.
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