Enhanced Data Access Control for Multi Authority Cloud Storage

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Provided by: International Journal of Engineering and Innovative Technology (IJEIT)
Topic: Cloud
Format: PDF
Data access control is an effective way to ensure the data security in the cloud. The safety of information becomes a biggest concern in cloud storage systems, because of data redistribution and insecure cloud servers. CP-ABE is considered as one of the greatest acceptable technologies for information access control mechanism in cloud storage, because it gives more straightforward control to the creator of data on access mechanism. However, it is hard to precisely use available CP-ABE schemes to information access policies for cloud storage systems due to attribute revocation issue. In this paper, the authors construct efficient data access restriction methods for multi-authority cloud storage systems, where there are many authorities present and all are able to get attributes individually. Particularly, they introduce a revocable multi-authority CP-ABE scheme, and implement it as the basic method to create the data access restriction system.
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