【摘 要】
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In cloud,data access control is a crucial way to ensure data security.Functional encryption(FE) is a novel cryptographic primitive supporting fine-grained acces
【机 构】
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ComputerSchool,DepartmentofElectricalandComputerEngineering
【基金项目】
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The authors would like to thank the reviewers for their detailed reviews and constructive comments, which have helped improve the quality of this paper. This work is supported by the National Science