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Authors: Kan Yasuda ; Kazumaro Aoki ; Eiichiro Fujisaki and Atsushi Fujioka

Affiliation: NTT Information Sharing Platform Laboratories, Nippon Telegraph and Telephone Corporation, Japan

ISBN: 978-972-8865-63-4

Keyword(s): Authenticated encryption, strong integrity, multi-receiver setting, forward security, packet-loss detection, DoS attack, message authentication code, pseudo-random bit generator, target-collision-resistant hash-function.

Related Ontology Subjects/Areas/Topics: Data and Systems Security ; Data Engineering ; Data Integrity ; Databases and Data Security ; Information and Systems Security

Abstract: In this paper we study a generic construction of forward-secure authenticated-encryption in unidirectional, multi-receiver setting. By “multi-receiver setting” we mean the situation in which a single center transmits large data to a dynamically changing group of receivers. In such scenario a direct application of bidirectional, unicast methods would lead to multiple problems. In particular, we focus on the problem of vulnerability against a type of denial-of-service (DoS) attack. We show that this problem can be effectively resolved by a mechanism we call “MAC-then-MAC” structure. As the name suggests, this structure uses two independent MACs, but we illustrate how it can be realized without losing efficiency in transmission rate, storage size and computational overhead. Despite the fact that one of the MACs uses a constant key, our construction guarantees integrity in the sense of forward security. We provide a concrete security model showing that our construction achieves confid entiality and strong integrity (replay avoidance, in-order packet delivery, etc.) both in the sense of forward security. (More)

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Paper citation in several formats:
Yasuda K.; Aoki K.; Fujisaki E.; Fujioka A. and (2006). FORWARD-SECURE AUTHENTICATED-ENCRYPTION IN MULTI-RECEIVER SETTING.In Proceedings of the International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2006) ISBN 978-972-8865-63-4, pages 141-148. DOI: 10.5220/0002101501410148

@conference{secrypt06,
author={Kan Yasuda and Kazumaro Aoki and Eiichiro Fujisaki and Atsushi Fujioka},
title={FORWARD-SECURE AUTHENTICATED-ENCRYPTION IN MULTI-RECEIVER SETTING},
booktitle={Proceedings of the International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2006)},
year={2006},
pages={141-148},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002101501410148},
isbn={978-972-8865-63-4},
}

TY - CONF

JO - Proceedings of the International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2006)
TI - FORWARD-SECURE AUTHENTICATED-ENCRYPTION IN MULTI-RECEIVER SETTING
SN - 978-972-8865-63-4
AU - Yasuda, K.
AU - Aoki, K.
AU - Fujisaki, E.
AU - Fujioka, A.
PY - 2006
SP - 141
EP - 148
DO - 10.5220/0002101501410148

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