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Authors: Toshiyuki Fujisawa 1 ; Kazuto Ogawa 1 ; Takeshi Kimura 1 ; Masaki Inamura 2 and Toshiaki Tanaka 2

Affiliations: 1 Science & Technical Research Laboratories, Japan Broadcasting Corporation, Japan ; 2 KDDI R&D Laboratories Inc., Japan

Keyword(s): Electronic prepaid ticket, anonymity, offline, blind signature, CAS, Digital Broadcasting.

Related Ontology Subjects/Areas/Topics: Data Engineering ; Data Management and Quality ; Digital Rights Management ; Information and Systems Security

Abstract: A number of content viewing systems that use electronic money have been proposed recently. These systems’ access control uses license information stored in the specific hardware such as a set-top box (STB), which is distributed by broadcasters or communication carriers. However, such an access control decreases the usability of the system, since users cannot carry around a STB. To solve this problem, other content viewing systems uses an electronic prepaid ticket and a tamper resistant module (TRM) for digital broadcasting. In such a system, license information stored in the TRM is transferred to a user’s mobile terminal, such as a cellular phone. The user, who carries this mobile terminal, can view contents away from home. This kind of system requires the license information to be managed securely and the electronic prepaid ticket payment to be performed correctly. In this paper, we propose another system that meets these requirements and enables anonymous viewing with a low CPU cost.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Fujisawa, T.; Ogawa, K.; Kimura, T.; Inamura, M. and Tanaka, T. (2007). ANONYMOUS PREPAID CONTENT VIEWING SYSTEM WITH MOBILE TERMINAL. In Proceedings of the Second International Conference on Security and Cryptography (ICETE 2007) - SECRYPT; ISBN 978-989-8111-12-8; ISSN 2184-3236, SciTePress, pages 281-288. DOI: 10.5220/0002126002810288

@conference{secrypt07,
author={Toshiyuki Fujisawa. and Kazuto Ogawa. and Takeshi Kimura. and Masaki Inamura. and Toshiaki Tanaka.},
title={ANONYMOUS PREPAID CONTENT VIEWING SYSTEM WITH MOBILE TERMINAL},
booktitle={Proceedings of the Second International Conference on Security and Cryptography (ICETE 2007) - SECRYPT},
year={2007},
pages={281-288},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002126002810288},
isbn={978-989-8111-12-8},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the Second International Conference on Security and Cryptography (ICETE 2007) - SECRYPT
TI - ANONYMOUS PREPAID CONTENT VIEWING SYSTEM WITH MOBILE TERMINAL
SN - 978-989-8111-12-8
IS - 2184-3236
AU - Fujisawa, T.
AU - Ogawa, K.
AU - Kimura, T.
AU - Inamura, M.
AU - Tanaka, T.
PY - 2007
SP - 281
EP - 288
DO - 10.5220/0002126002810288
PB - SciTePress