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Broadcast encryption with dealership

Gritti, Clémentine, Susilo, Willy, Plantard, Thomas, Liang, Kaitai and Wong, Duncan S (2015) Broadcast encryption with dealership International Journal of Information Security, 15 (3). pp. 271-283.

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In this paper, we introduce a new cryptographic primitive called broadcast encryption with dealership. This notion, which has never been discussed in the cryptography literature, is applicable to many realistic broadcast services, for example subscription-based television service. Specifically, the new primitive enables a dealer to bulk buy the access to some products (e.g., TV channels) from the broadcaster, and hence, it will enable the dealer to resell the contents to the subscribers with a cheaper rate. Therefore, this creates business opportunity model for the dealer. We highlight the security consideration in such a scenario and capture the security requirements in the security model. Subsequently, we present a concrete scheme, which is proven secure under the decisional bilinear Diffie–Hellman exponent and the Diffie–Hellman exponent assumptions

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Computing Science
Authors :
Gritti, Clémentine
Susilo, Willy
Plantard, Thomas
Wong, Duncan S
Date : 7 April 2015
DOI : 10.1007/s10207-015-0285-x
Copyright Disclaimer : © Springer-Verlag Berlin Heidelberg 2015
Uncontrolled Keywords : Broadcast encryption; Dealership; Provable security
Depositing User : Jane Hindle
Date Deposited : 31 Oct 2017 08:40
Last Modified : 16 Jan 2019 19:03

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