Authors: Wolf, Marko¹; Osterhues, Andre¹; Stueble, Christian²

Source: International Journal of Applied Cryptography, Volume 1, Number 4, 31 August 2009 , pp. 251-263(13)

Publisher: Inderscience Publishers

Abstract:

Superdistribution and other peer-to-peer (P2P) distribution schemes like sharing or rental offer a flexible and user-friendly way to distribute digital content. However, the parties involved have different interests (e.g. user privacy vs. license enforcement) that should be reflected in the underlying security architecture. We identify characteristic P2P scenarios and demonstrate how these can be realised by applying a few basic licensing operations. We then present a security architecture to realise these basic license operations (1) in a generalised fashion and (2) employing the ARM TrustZone technology, which will be used in many future mobile platforms. Further, we extend existing superdistribution schemes for offline application, allowing a mobile peer to access superdistributed content without the need to first contact the actual licenser.

Keywords: COMPUTING AND MATHEMATICS JOURNALS; Applied and Computational Mathematics; Communications and Mobile Technology; Computing Science, Applications and Software; Information Systems and Technology; Internet and Web Services

Document Type: Research article

DOI: http://dx.doi.org/10.1504/IJACT.2009.028026

Affiliations: 1: Escrypt GmbH, Lise-Meitner-Allee 4, Bochum 44801, Germany. 2: Sirrix AG, Lise-Meitner-Allee 4, Bochum 44801, Germany

Publication date: 2009-08-31

More about this publication?

• Information security is important to the rapid growth of the Internet and advances of computer systems. However, existing journals on information security mainly focus on either theory or specific areas of information and computer security.
  The International Journal of Applied Cryptography aims to introduce new ground between these two areas. It proposes and fosters discussion on cryptographic algorithms and protocols that are directly applicable.
  
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