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Authors: Marcia Gibson ; Marc Conrad and Carsten Maple

Affiliation: University of Bedfordshire, United Kingdom

ISBN: 978-989-8425-18-8

Keyword(s): User authentication, Password, Infinite alphabet, Formal model.

Related Ontology Subjects/Areas/Topics: Access Control ; Data Engineering ; Databases and Data Security ; Identification, Authentication and Non-Repudiation ; Information and Systems Security ; Internet Technology ; Models ; Paradigm Trends ; Security in Distributed Systems ; Software Engineering ; Web Information Systems and Technologies

Abstract: In the paper we propose a formal model for class of authentication systems termed, “Infinite Alphabet Password Systems” (IAPs). We define such systems as those that use a character set for the construction of the authentication token that is theoretically infinite, only bound by practical implementation restrictions. We find that the IAP architecture can feasibly be adapted for use in many real world situations, and may be implemented using a number of system architectures and cryptographic protocols. A security analysis is conducted on an implementation of the model that utilizes images for its underlying alphabet. As a result of the analysis we find that IAPs can offer security benefits over traditional alphanumeric password schemes. In particular some of the significant problems concerning phishing, pharming, replay, dictionary and offline brute force attacks are mitigated.

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Paper citation in several formats:
Gibson M.; Conrad M.; Maple C. and (2010). INFINITE ALPHABET PASSWORDS - A Unified Model for a Class of Authentication Systems.In Proceedings of the International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2010) ISBN 978-989-8425-18-8, pages 94-99. DOI: 10.5220/0002986200940099

@conference{secrypt10,
author={Marcia Gibson and Marc Conrad and Carsten Maple},
title={INFINITE ALPHABET PASSWORDS - A Unified Model for a Class of Authentication Systems},
booktitle={Proceedings of the International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2010)},
year={2010},
pages={94-99},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002986200940099},
isbn={978-989-8425-18-8},
}

TY - CONF

JO - Proceedings of the International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2010)
TI - INFINITE ALPHABET PASSWORDS - A Unified Model for a Class of Authentication Systems
SN - 978-989-8425-18-8
AU - Gibson, M.
AU - Conrad, M.
AU - Maple, C.
PY - 2010
SP - 94
EP - 99
DO - 10.5220/0002986200940099

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