Cloud computing provides an economical and efficient solution for sharing data among the cloud users with low maintenance. There is still a challenging issue, due to the frequent change of the membership for sharing data in a multi-owner manner while preserving data and identity privacy from an un-trusted cloud. Here, a secure multi-owner data sharing scheme, named Mona, for dynamic groups in the cloud has been proposed. Any cloud user can anonymously share data with others by providing group signature and dynamic broadcast encryption techniques. Meanwhile, the storage overhead and encryption computation cost of the scheme are independent with the number of revoked users.
Article Details
Unique Paper ID: 144856
Publication Volume & Issue: Volume 3, Issue 7
Page(s): 225 - 227
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