Keys Distributing Optimization of CP-ABE Based Access Control in Cryptographic Cloud Storage
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概要
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In this letter, we introduce a novel keys distribution optimization scheme for CP-ABE based access control. This scheme integrates roles, role hierarchies and objects grouping to accelerate keys distribution, meanwhile the CP-ABE encrypting overhead is reduced by adopting deterministic cryptographic function. Experiments show that our scheme obtains noticeable improvement over the original one, especially when the number of objects is much greater than that of users.
著者
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ZHOU Jie
School of Computer Science and Technology, National University of Defense Technology
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WANG Zhiying
School of Computer Science and Technology, National University of Defense Technology
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CHENG Yong
School of Computer Science and Technology, National University of Defense Technology
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REN Jiangchun
School of Computer Science and Technology, National University of Defense Technology
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MEI Songzhu
School of Computer Science and Technology, National University of Defense Technology
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