Multi-party semi-quantum private comparison based on the maximally entangled GHZ-type states

The goal of semi-quantum privacy comparison (SQPC) is to use a small amount of quantum capabilities to compare private information for equality. In recent years, research on semi-quantum privacy comparison protocol has made some achievements. However, most of SQPC protocols can merely compare the pr...

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Main Authors: WanQing Wu, LingNa Guo, MingZhe Xie
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-12-01
Series:Frontiers in Physics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fphy.2022.1048325/full
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author WanQing Wu
WanQing Wu
LingNa Guo
LingNa Guo
MingZhe Xie
MingZhe Xie
author_facet WanQing Wu
WanQing Wu
LingNa Guo
LingNa Guo
MingZhe Xie
MingZhe Xie
author_sort WanQing Wu
collection DOAJ
description The goal of semi-quantum privacy comparison (SQPC) is to use a small amount of quantum capabilities to compare private information for equality. In recent years, research on semi-quantum privacy comparison protocol has made some achievements. However, most of SQPC protocols can merely compare the private information of two parties, and the research of multi-party SQPC protocols are still scarce. If the number of participants is more than two, the protocol needs to be executed multiple times. Therefore, we proposed a multi-party semi-quantum private comparison protocol based on the maximally entangled GHZ-type state, which has the capability to compare the equality of n parties by executing the protocol once. What is more, the transmission of participant’s encrypted information is not through the classical channel, which improves the security of the protocol. Finally, the security analysis shows that outsider attacks, dishonest participants attacks and semi-honest TP attacks are all invalid for this protocol.
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spelling doaj.art-373d6ef4f27c471fbfe7af18fa05a8cf2022-12-22T04:41:23ZengFrontiers Media S.A.Frontiers in Physics2296-424X2022-12-011010.3389/fphy.2022.10483251048325Multi-party semi-quantum private comparison based on the maximally entangled GHZ-type statesWanQing Wu0WanQing Wu1LingNa Guo2LingNa Guo3MingZhe Xie4MingZhe Xie5School of Cyber Security and Computer, Hebei University, Baoding, ChinaKey Laboratory on High Trusted Information System in Hebei Province, Hebei University, Baoding, ChinaSchool of Cyber Security and Computer, Hebei University, Baoding, ChinaKey Laboratory on High Trusted Information System in Hebei Province, Hebei University, Baoding, ChinaSchool of Cyber Security and Computer, Hebei University, Baoding, ChinaKey Laboratory on High Trusted Information System in Hebei Province, Hebei University, Baoding, ChinaThe goal of semi-quantum privacy comparison (SQPC) is to use a small amount of quantum capabilities to compare private information for equality. In recent years, research on semi-quantum privacy comparison protocol has made some achievements. However, most of SQPC protocols can merely compare the private information of two parties, and the research of multi-party SQPC protocols are still scarce. If the number of participants is more than two, the protocol needs to be executed multiple times. Therefore, we proposed a multi-party semi-quantum private comparison protocol based on the maximally entangled GHZ-type state, which has the capability to compare the equality of n parties by executing the protocol once. What is more, the transmission of participant’s encrypted information is not through the classical channel, which improves the security of the protocol. Finally, the security analysis shows that outsider attacks, dishonest participants attacks and semi-honest TP attacks are all invalid for this protocol.https://www.frontiersin.org/articles/10.3389/fphy.2022.1048325/fullsemi-quantum private comparisonmulti-partyGHZ statesquantum cryptographyinformation security
spellingShingle WanQing Wu
WanQing Wu
LingNa Guo
LingNa Guo
MingZhe Xie
MingZhe Xie
Multi-party semi-quantum private comparison based on the maximally entangled GHZ-type states
Frontiers in Physics
semi-quantum private comparison
multi-party
GHZ states
quantum cryptography
information security
title Multi-party semi-quantum private comparison based on the maximally entangled GHZ-type states
title_full Multi-party semi-quantum private comparison based on the maximally entangled GHZ-type states
title_fullStr Multi-party semi-quantum private comparison based on the maximally entangled GHZ-type states
title_full_unstemmed Multi-party semi-quantum private comparison based on the maximally entangled GHZ-type states
title_short Multi-party semi-quantum private comparison based on the maximally entangled GHZ-type states
title_sort multi party semi quantum private comparison based on the maximally entangled ghz type states
topic semi-quantum private comparison
multi-party
GHZ states
quantum cryptography
information security
url https://www.frontiersin.org/articles/10.3389/fphy.2022.1048325/full
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