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Cloud computing has achieved great development both in academic and industry communities due to the fact that it relieves the burden of data storage and data management. However, data stored in the cloud may suffer from malicious use by cloud service providers. Therefore, exploring an efficient search technique for encrypted data is extremely urgent. This paper focuses on semantic search and preferred...
Cloud storage supplies enormous convenience for numerous companies and individuals to manage their data. However, data owners lose ultimately physical control of their data, which introduces many potential safety hazards in the cloud storage environment. Many scholars have made studies on the security problem of cloud storage data. To solve the problem, we propose a secure audit scheme supporting...
In this paper we propose a trust-based dynamic access control model for cloud computing environment inspired by the GTRBAC model, where the users can validate their legal identities and acquire their access control privileges for the resources according to the role information and the trust-degree in the lightweight certificates. The trust-degree in the certificate can be calculated by the direct...
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