Hierarchical Attribute-Based Encryption and Scalable User Revocation for Sharing Data in Cloud Servers

With rapid development of cloud computing, more and more enterprises will outsource their sensitive data for sharing in a cloud. To keep the shared data confidential against untrusted Cloud Service Providers (CSPs), a natural way is to store only the encrypted data in a cloud. The key problems of this approach include establishing access control for the encrypted data, and revoking the access rights from users when they are no longer authorized to access the encrypted data.

Provided by: Reed Elsevier Topic: Cloud Date Added: May 2011 Format: PDF

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