Multi-authority attribute-based encryption access control model for cloud storage

被引：0

作者：

Guan, Zhi-Tao ^{[1
]}

Yang, Ting-Ting ^{[1
]}

Xu, Ru-Zhi ^{[1
]}

Wang, Zhu-Xiao ^{[1
]}

机构：

[1] School of Control and Computer Engineering, North China Electric Power University, Beijing

来源：

Tongxin Xuebao/Journal on Communications | 2015年 / 36卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Access control; Cloud storage; CP-ABE; Multi-authority;

D O I：

10.11959/j.issn.1000-436x.2015142

中图分类号：

学科分类号：

摘要：

The existing attribute-based encryption access control studies are mostly based on single authority, and this scheme is apt to be under attack to cause exposure of secret keys. Thus, a multi-authority access control model PRM-CSAC is proposed. Based on CP-ABE method, a multi-authority attribute-based encryption scheme is designed to improve security level. Minimized attribute grouping algorithm is designed to distribute keys to users according to needs, which can reduce unnecessary attribute key distribution and decrease the amount of re-encryption attributes. The read and write attribute are added to strengthen the control of owners. The analysis shows that the proposed scheme can meet the security requirement of access control in cloud, and it also has less response time and system cost. ©, 2015, Editorial Board of Journal on Communications. All right reserved.

引用

页数：11

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