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Authors: Nikolaos Triantafyllou ; Iakovos Ouranos ; Petros Stefaneas and Panayiotis Frangos

Affiliation: National Technical University of Athens, Greece

ISBN: 978-989-8425-24-9

Keyword(s): Mobile Digital Rights Systems, OMA-Rights Expression Language, CafeOBJ, Observational Transition Systems, License choice algorithm.

Related Ontology Subjects/Areas/Topics: Information Security Policy for Wireless Networks ; Mobile Multimedia Services (WASP, ASP, MSP) ; Mobile Software and Services ; Standardization Issues ; Telecommunications ; Wireless Information Networks and Systems ; Wireless Information Policy, Risk Assessment and Management

Abstract: OMA-Digital Rights Management System is a standard proposed by the Open Mobile Alliance (OMA) for protecting digital content distribution via mobile networks. To solve the decision problem, in the case that multiple licenses refer to the same content, OMA suggests a license choice algorithm. This algorithm ensures the fine grained consumption of contents. CafeOBJ is a new generation algebraic specification language. We apply the OTS/CafeOBJ method to formally model, specify and verify the above mentioned license choice algorithm. More specifically, we develop the mathematical model of the OMA decision algorithm as an OTS, a kind of transition system expressed in an equational CafeOBJ specification style. Finally, we verify that this algorithm fulfills the following safety property: Whenever a license is chosen for a given content, then the license is valid at that specific time.

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Paper citation in several formats:
Triantafyllou N., Ouranos I., Stefaneas P. and Frangos P. (2010). FORMAL SPECIFICATION AND VERIFICATION OF THE OMA LICENSE CHOICE ALGORITHM IN THE OTS/CAFEOBJ METHOD.In Proceedings of the International Conference on Wireless Information Networks and Systems - Volume 1: WINSYS, (ICETE 2010) ISBN 978-989-8425-24-9, pages 173-180. DOI: 10.5220/0002944501730180

@conference{winsys10,
author={Nikolaos Triantafyllou and Iakovos Ouranos and Petros Stefaneas and Panayiotis Frangos},
title={FORMAL SPECIFICATION AND VERIFICATION OF THE OMA LICENSE CHOICE ALGORITHM IN THE OTS/CAFEOBJ METHOD},
booktitle={Proceedings of the International Conference on Wireless Information Networks and Systems - Volume 1: WINSYS, (ICETE 2010)},
year={2010},
pages={173-180},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002944501730180},
isbn={978-989-8425-24-9},
}

TY - CONF

JO - Proceedings of the International Conference on Wireless Information Networks and Systems - Volume 1: WINSYS, (ICETE 2010)
TI - FORMAL SPECIFICATION AND VERIFICATION OF THE OMA LICENSE CHOICE ALGORITHM IN THE OTS/CAFEOBJ METHOD
SN - 978-989-8425-24-9
AU - Triantafyllou N.
AU - Ouranos I.
AU - Stefaneas P.
AU - Frangos P.
PY - 2010
SP - 173
EP - 180
DO - 10.5220/0002944501730180

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