A CCA-secure key-policy attribute-based proxy re-encryption in the adaptive corruption model for dropbox data sharing system

被引：50

作者：

Ge, Chunpeng ^{[1
,2
]}

Susilo, Willy ^{[3
]}

Fang, Liming ^{[4
]}

Wang, Jiandong ^{[4
]}

Shi, Yunqing ^{[5
]}

机构：

[1] Jiangsu Univ Technol, Dept Comp Engn, Changzhou, Peoples R China

[2] Chinese Acad Sci, Inst Informat Engn, State Key Lab Informat Secur, Beijing, Peoples R China

[3] Univ Wollongong, Sch Comp & Informat Technol, Inst Cybersecur & Cryptol, Wollongong, NSW, Australia

[4] Nanjing Univ Aeronaut & Astronaut, Coll Comp Sci & Technol, Nanjing, Jiangsu, Peoples R China

[5] New Jersey Inst Technol, Dept Elect & Comp Engn, Newark, NJ 07102 USA

来源：

DESIGNS CODES AND CRYPTOGRAPHY | 2018年 / 86卷 / 11期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

Proxy re-encryption; Attribute-based proxy re-encryption; Key-policy; Adaptive model;

D O I：

10.1007/s10623-018-0462-9

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

The notion of attribute-based proxy re-encryption extends the traditional proxy re-encryption to the attribute-based setting. In an attribute-based proxy re-encryption scheme, the proxy can convert a ciphertext under one access policy to another ciphertext under a new access policy without revealing the underlying plaintext. Attribute-based proxy re-encryption has been widely used in many applications, such as personal health record and cloud data sharing systems. In this work, we propose the notion of key-policy attribute-based proxy re-encryption, which supports any monotonic access structures on users' keys. Furthermore, our scheme is proved against chosen-ciphertext attack secure in the adaptive model.

引用

页码：2587 / 2603

页数：17

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Ge, Chunpeng
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