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To solve the security issues of network features and data sharing features in cloud storage service, this paper proposes a data security access scheme in cloud storage Based on Attribute-Group. In terms of access rights control and access control architecture for the access control mechanism research, in this scheme, data owners do not participate in the specific operation of the property and user rights, re-encryption on the NameNode, can reduce the cost of the computation and management of the client, and also reduce the complexity of rights management and property management.
Zhou et al. (Wed,) studied this question.