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We provide electrical projects based on power electronics, MATLAB Simulink and SIM Power
For Electronics Engineering Students we support technologies like ARM, GSM, GPS, RFID, Robotics, VLSI, NSL, NS3, OMNet++, OPNet, QUALNET, PeerSim
Trust Enhanced Cryptographic Role-based Access Control for Secure Cloud Data Storage Cloud data storage has provided significant benefits by allowing users to store massive amount of data on demand in a cost-effective manner. To protect the privacy of data stored in the cloud, cryptographic role-based access control (RBAC) schemes have been developed to ensure that data can only be accessed by those who are allowed by access policies. However these cryptographic approaches do not address the issues of trust. In this paper, we propose trust models to reason about and improve the security for stored data in cloud storage systems that use cryptographic RBAC schemes. The trust models provide an approach for the owners and roles to determine the trustworthiness of individual roles and users respectively in the RBAC system. The proposed trust models take into account role inheritance and hierarchy in the evaluation of trustworthiness of roles. We present a design of a trust-based cloud storage system which shows how the trust models can be integrated into a system that uses cryptographic RBAC schemes. We have also considered practical application scenarios and illustrated how the trust evaluations can be used to reduce the risks and enhance the quality of decision making by data owners and roles of cloud storage service.