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Author: Tord Ingolf Reistad

Affiliation: Department of Telematics, Norway

Keyword(s): Multiparty, Secret sharing, Comparison, Information hiding.

Related Ontology Subjects/Areas/Topics: Enterprise Information Systems ; Formal Methods ; Information and Systems Security ; Information Assurance ; Information Hiding ; Information Systems Analysis and Specification ; Methodologies and Technologies ; Operational Research ; Security ; Simulation and Modeling

Abstract: Given any linear secret sharing scheme with a multiplication protocol, we show that a set of players holding shares of two values a,b ∈ Zp for some prime p (written [a] and [b]), it is possible to compute a sharing [result] such that [result] = ([a] < [b]). The protocol maintains the same security against active/adaptive adversaries as the underlying secret sharing scheme.

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Paper citation in several formats:
Ingolf Reistad, T. (2009). MULTIPARTY COMPARISON - An Improved Multiparty Protocol for Comparison of Secret-shared Values. In Proceedings of the International Conference on Security and Cryptography (ICETE 2009) - SECRYPT; ISBN 978-989-674-005-4; ISSN 2184-3236, SciTePress, pages 325-330. DOI: 10.5220/0002233603250330

@conference{secrypt09,
author={Tord {Ingolf Reistad}.},
title={MULTIPARTY COMPARISON - An Improved Multiparty Protocol for Comparison of Secret-shared Values},
booktitle={Proceedings of the International Conference on Security and Cryptography (ICETE 2009) - SECRYPT},
year={2009},
pages={325-330},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002233603250330},
isbn={978-989-674-005-4},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the International Conference on Security and Cryptography (ICETE 2009) - SECRYPT
TI - MULTIPARTY COMPARISON - An Improved Multiparty Protocol for Comparison of Secret-shared Values
SN - 978-989-674-005-4
IS - 2184-3236
AU - Ingolf Reistad, T.
PY - 2009
SP - 325
EP - 330
DO - 10.5220/0002233603250330
PB - SciTePress