Security Analysis and Perform Extensive Simulations to Demonstrate the Efficiency of Mona for Data Sharing in the Cloud

Provided by: Creative Commons
Topic: Security
Format: PDF
Sharing data in a multi-owner manner while conserving data and identity privacy from an untrusted cloud is still a challenging issue due to the regular change of the membership. In this paper, the authors propose a secure multi-owner data sharing scheme named Mona for dynamic groups in the cloud. By leveraging group signature and dynamic broadcast encryption methods any cloud user can anonymously share data with others. In the meantime the storage overhead and encryption computation cost of their method are autonomous with the number of revoked users.

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