Multi-authority attribute-based encryption with efficient revocation

被引：0
|
作者：
Zhang K. [1 ]
Ma J.-F. [2 ]
Li H. [2 ]
Zhang J.-W. [2 ]
Zhang T. [3 ]
机构：
[1] School of Telecommunications Engineering, Xidian University, Xi'an
[2] School of Cyber Engineering, Xidian University, Xi'an
[3] School of Computer Science and Technology, Xidian University, Xi'an
来源：
Tongxin Xuebao/Journal on Communications | 2017年 / 38卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Attribute-based encryption; Large universe; Multi-authority; Revocation;
D O I：
10.11959/j.issn.1000-436x.2017068
中图分类号：
学科分类号：
摘要：
Multi-authority attribute-based encryption was very suitable for data access control in a cloud storage environment. However, efficient user revocation in multi-authority attribute-based encryption remains a challenging problem that prevents it from practical applications. A multi-authority ciphertext-policy attribute-based encryption scheme with efficient revocation was proposed in prime order bilinear groups, and was further proved statically secure and revocable in the random oracle model. Extensive efficiency analysis results indicate that the proposed scheme significantly reduce the computation cost for the users. In addition, the proposed scheme supports large universe and any monotone access structures, which makes it more flexible for practical applications. © 2017, Editorial Board of Journal on Communications. All right reserved.
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收藏
页码：83 / 91
页数：8
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