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Secure Sharing Of Data for Dynamic Multi Owner in Cloud Storage

S.Surya, V.Karuppuchamy

Cloud computing is an emerging computing paradigm. It provides an economical and efficient solution for sharing group resource among cloud users. Due to frequent change of members in multi owner group, preserving user data and their identity privacy becomes a challenging issue in cloud. In this paper, we propose a secure multi-owner data sharing scheme, for dynamic groups in the cloud. By including group signature and stateless broadcast encryption techniques, any cloud user can anonymously share data with others. Meanwhile, the storage overhead, length of the signature and the running time of the signing algorithm are independent with the number of group members.