Identity Based Proxy Re-encryption Scheme (IBPRE+) for Secure Cloud Data Sharing

被引：7

作者：

Wang, Xu An ^{[1
,2
]}

Xhafa, Fatos ^{[3
]}

Zheng, Zhiheng ^{[1
]}

Nie, Jinting ^{[1
]}

机构：

[1] Engn Univ Chinese Armed Police Force, Xian, Shannxi, Peoples R China

[2] Xidian Univ, Sch Cyber Engn, Xian, Shaanxi, Peoples R China

[3] Tech Univ Catalonia, Dept Comp Sci, Barcelona, Spain

来源：

2016 8TH INTERNATIONAL CONFERENCE ON INTELLIGENT NETWORKING AND COLLABORATIVE SYSTEMS (INCOS) | 2016年

关键词：

D O I：

10.1109/INCoS.2016.83

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In proxy re-encryption (PRE), a proxy with re-encryption keys can transfer a ciphertext computed under Alice's public key into a new one, which can be decrypted by Bob only with his secret key. Recently, Wang et al. introduced the concept of PRE plus (PRE+) scheme, which can be seen as the dual of PRE, and is almost the same as PRE scheme except that the re-encryption keys are generated by the encrypter. Compared to PRE, PRE+ scheme can easily achieve this important property: the message-level based fine-grained delegation. In this paper, we extend the concept of PRE+ to the identity based setting. We propose a concrete IBPRE+ scheme based on 3-linear map and roughly discuss its properties. We also demonstrate potential application of this new primitive to secure cloud data sharing.

引用

页码：44 / 48

页数：5

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