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Authors: Wataru Fujii 1 ; Keiichi Iwamura 1 and Masaki Inamura 2 ; 1

Affiliations: 1 Graduate School of Engineering, Tokyo University of Science, Tokyo, Japan ; 2 Center for Research and Collaboration, Tokyo Denki University, Tokyo, Japan

Keyword(s): Secret Sharing, Multiparty Computation, Secure Comparison, Secure Interval Test.

Abstract: Multiparty Computation (MPC) is a technology that enables computations to be performed without exposing private data. Three main approaches are employed to construct an MPC: secret-sharing schemes, homomorphic encryption, and garbled circuit. Although secret-sharing based MPC involves lower communication cost generally, it requires more round communications for concrete protocols such as comparisons or interval tests. Herein, we propose a five-round secure comparison protocol and a five-round interval test protocol using a shuffling protocol based on a three-party secret-sharing scheme. Additionally, we compare our protocols with existing protocols based on rounds and multiplications.

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Paper citation in several formats:
Fujii, W.; Iwamura, K. and Inamura, M. (2020). Secure Comparison and Interval Test Protocols based on Three-party MPC. In Proceedings of the 6th International Conference on Information Systems Security and Privacy - ICISSP; ISBN 978-989-758-399-5; ISSN 2184-4356, SciTePress, pages 698-704. DOI: 10.5220/0009161406980704

@conference{icissp20,
author={Wataru Fujii. and Keiichi Iwamura. and Masaki Inamura.},
title={Secure Comparison and Interval Test Protocols based on Three-party MPC},
booktitle={Proceedings of the 6th International Conference on Information Systems Security and Privacy - ICISSP},
year={2020},
pages={698-704},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0009161406980704},
isbn={978-989-758-399-5},
issn={2184-4356},
}

TY - CONF

JO - Proceedings of the 6th International Conference on Information Systems Security and Privacy - ICISSP
TI - Secure Comparison and Interval Test Protocols based on Three-party MPC
SN - 978-989-758-399-5
IS - 2184-4356
AU - Fujii, W.
AU - Iwamura, K.
AU - Inamura, M.
PY - 2020
SP - 698
EP - 704
DO - 10.5220/0009161406980704
PB - SciTePress

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