Technology of Information Security
|
1185-1189

Traceable and revocable CP-ABE scheme OBDD-based access structure

Wang Qianqian
Ou Yuyi
School of Computers, Guangdong University of Technology, Guangzhou 510006, China

Abstract

Aiming at the problems of untraceability to malicious users and the fact that user attributes cannot be revoked immediately in the existing attribute revocation scheme, this paper proposed a traceable and revocable ciphertex policy attribute-bose encryption(CP-ABE) scheme base on an OBDD alless striutwre, which was efficient, expressive and revocable. This scheme realized the immediate revocation of user attributes and could also be used against malicious users track. At the same time, the proposed scheme used an OBDD-based access structure. This type of access structure can not only represent any Boolean expressions about attributes, but also support the positive and negative values of attributes in the access strategy. This solution outsourced some encryption and decryption operations to the proxy server, thereby reducing the user's encryption and decryption calculations. This scheme was based on the DBDH assumption and proved to be safe under the standard model.

Foundation Support

国家自然科学基金资助项目(61572144)
广东省科技计划资助项目(2017A050501035)
广州市科技计划资助项目(201807010058)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2020.05.0134
Publish at: Application Research of Computers Printed Article, Vol. 38, 2021 No. 4
Section: Technology of Information Security
Pages: 1185-1189
Serial Number: 1001-3695(2021)04-042-1185-05

Publish History

[2021-04-05] Printed Article

Cite This Article

汪倩倩, 欧毓毅. 可追踪且可撤销的基于OBDD访问结构的CP-ABE方案 [J]. 计算机应用研究, 2021, 38 (4): 1185-1189. (Wang Qianqian, Ou Yuyi. Traceable and revocable CP-ABE scheme OBDD-based access structure [J]. Application Research of Computers, 2021, 38 (4): 1185-1189. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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