Offline privacy preserving proxy re-encryption in mobile cloud computing

被引：8
作者：
Koe, Arthur Sandor Voundi [1 ,2 ]
Lin, Yaping [1 ,2 ]
机构：
[1] Hunan Univ, Coll Informat Sci & Engn, Changsha 410082, Hunan, Peoples R China
[2] Hunan Prov Key Lab Dependable Syst & Networks, Changsha 410082, Hunan, Peoples R China
来源：
PERVASIVE AND MOBILE COMPUTING | 2019年 / 59卷
基金：
中国国家自然科学基金;
关键词：
Authentication; Authorization; Ciphertext policy attribute-based encryption; Mobile cloud computing; Proxy re-encryption;
D O I：
10.1016/j.pmcj.2019.101081
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper addresses the always online behavior of the data owner in proxy re-encryption schemes for re-encryption keys issuing. We extend and adapt multi-authority ciphertext policy attribute based encryption techniques to type-based proxy re-encryption to build our solution. As a result, user authentication and user authorization are moved to the cloud server which does not require further interaction with the data owner, data owner and data users identities are hidden from the cloud server, and re-encryption keys are only issued to legitimate users. An in depth analysis shows that our scheme is secure, flexible and efficient for mobile cloud computing (C) 2019 Elsevier B.V. All rights reserved.
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页数：12
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