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An Adaptively CCA-Secure Ciphertext-Policy Attribute-Based Proxy Re-Encryption for Cloud Data Sharing

Liang, Kaitai, Au, Man Ho, Susilo, Willy, Wong, Duncan S, Yang, Guomin and Yu, Yong (2014) An Adaptively CCA-Secure Ciphertext-Policy Attribute-Based Proxy Re-Encryption for Cloud Data Sharing In: International Conference on Information Security Practice and Experience, 5-8 May 2014, Fuzhou, China.

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Abstract

A Ciphertext-Policy Attribute-Based Proxy Re-Encryption (CP-ABPRE) employs the PRE technology in the attribute-based encryption cryptographic setting, in which the proxy is allowed to convert an encryption under an access policy to another encryption under a new access policy. CP-ABPRE is applicable to many real world applications, such as network data sharing. The existing CP-ABPRE systems, however, leave how to achieve adaptive CCA security as an interesting open problem. This paper, for the first time, proposes a new CP-ABPRE to tackle the problem by integrating the dual system encryption technology with selective proof technique. The new scheme supports any monotonic access structures. Although our scheme is built in the composite order bilinear group, it is proven adaptively CCA secure in the standard model without jeopardizing the expressiveness of access policy.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Computing Science
Authors :
NameEmailORCID
Liang, Kaitaik.liang@surrey.ac.ukUNSPECIFIED
Au, Man HoUNSPECIFIEDUNSPECIFIED
Susilo, WillyUNSPECIFIEDUNSPECIFIED
Wong, Duncan SUNSPECIFIEDUNSPECIFIED
Yang, GuominUNSPECIFIEDUNSPECIFIED
Yu, YongUNSPECIFIEDUNSPECIFIED
Date : 2014
Identification Number : 10.1007/978-3-319-06320-1_33
Copyright Disclaimer : © Springer International Publishing Switzerland 2014
Uncontrolled Keywords : Ciphertext-Policy Attribute-Based Encryption; Ciphertext- Policy Attribute-Based Proxy Re-Encryption; Adaptive Chosen-Cipher text Security
Depositing User : Jane Hindle
Date Deposited : 31 Oct 2017 15:55
Last Modified : 31 Oct 2017 15:55
URI: http://epubs.surrey.ac.uk/id/eprint/844718

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