Enhanced Security System for Dynamic Group in Cloud

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Executive Summary

Sharing group resource among cloud users is a major problem, so cloud computing provides an economical and efficient solution. Due to frequent change of membership, sharing data in a multi-owner manner to an untrusted cloud is still a challenging issue. In this proposal a secure multi-owner data sharing scheme, for dynamic group in the cloud. By providing AES encryption while uploading the data, any cloud user can securely share data with others. Meanwhile, the storage overhead and encryption computation cost of the scheme are independent with the number of revoked users.

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