Keys Distributing Optimization of CP-ABE Based Access Control in Cryptographic Cloud Storage

Yong CHENG, Jiangchun REN, Zhiying WANG, Songzhu MEI, Jie ZHOU

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Summary :

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.

Publication
IEICE TRANSACTIONS on Information Vol.E95-D No.12 pp.3088-3091
Publication Date
2012/12/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E95.D.3088
Type of Manuscript
LETTER
Category
Data Engineering, Web Information Systems

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