Single-State Multi-Party Quantum Key Agreement with Single-Particle Measurement

In this study, we propose a single-state multi-party quantum key agreement (MQKA) protocol with single-particle measurement. Firstly, a single-state three-party quantum key agreement protocol with single-particle measurement is introduced, followed by a security analysis that validated its capabilit...

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Main Authors: Hao Yang, Dunbo Cai, Ling Qian, Runqing Zhang, Songfeng Lu, Chengfu Sun
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Entropy
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Online Access:https://www.mdpi.com/1099-4300/27/4/405
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author Hao Yang
Dunbo Cai
Ling Qian
Runqing Zhang
Songfeng Lu
Chengfu Sun
author_facet Hao Yang
Dunbo Cai
Ling Qian
Runqing Zhang
Songfeng Lu
Chengfu Sun
author_sort Hao Yang
collection DOAJ
description In this study, we propose a single-state multi-party quantum key agreement (MQKA) protocol with single-particle measurement. Firstly, a single-state three-party quantum key agreement protocol with single-particle measurement is introduced, followed by a security analysis that validated its capability to resist potential internal and external attacks. Furthermore, we utilize multi-particle entangled states to present a multi-party version of the single-state multi-party quantum key agreement with single-particle measurement. In comparison to previous MQKA protocols, our approach presents the following advantages: it employs one kind of multi-particle entangled state as the quantum resource; eliminates the need for entanglement swapping techniques, unitary operations, or pre-shared keys between participants; uses only the X measurement basis and Z measurement basis; transmits fewer qubits; consumes fewer qubits; and has higher qubit efficiency.
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issn 1099-4300
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publishDate 2025-04-01
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series Entropy
spelling doaj-art-3cd31d169ea3465daae4a150fa6b16e12025-08-20T03:13:54ZengMDPI AGEntropy1099-43002025-04-0127440510.3390/e27040405Single-State Multi-Party Quantum Key Agreement with Single-Particle MeasurementHao Yang0Dunbo Cai1Ling Qian2Runqing Zhang3Songfeng Lu4Chengfu Sun5Hubei Key Laboratory of Distributed System Security, Hubei Engineering Research Center on Big Data Security, School of Cyber Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, ChinaCenter for Technology Research & Innovation, China Mobile (Suzhou) Software Technology Co., Ltd., Suzhou 215163, ChinaCenter for Technology Research & Innovation, China Mobile (Suzhou) Software Technology Co., Ltd., Suzhou 215163, ChinaCenter for Technology Research & Innovation, China Mobile (Suzhou) Software Technology Co., Ltd., Suzhou 215163, ChinaHubei Key Laboratory of Distributed System Security, Hubei Engineering Research Center on Big Data Security, School of Cyber Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, ChinaSchool of Computer Science and Engineering, Huaiyin Institute of Technology, Huai’an 223003, ChinaIn this study, we propose a single-state multi-party quantum key agreement (MQKA) protocol with single-particle measurement. Firstly, a single-state three-party quantum key agreement protocol with single-particle measurement is introduced, followed by a security analysis that validated its capability to resist potential internal and external attacks. Furthermore, we utilize multi-particle entangled states to present a multi-party version of the single-state multi-party quantum key agreement with single-particle measurement. In comparison to previous MQKA protocols, our approach presents the following advantages: it employs one kind of multi-particle entangled state as the quantum resource; eliminates the need for entanglement swapping techniques, unitary operations, or pre-shared keys between participants; uses only the X measurement basis and Z measurement basis; transmits fewer qubits; consumes fewer qubits; and has higher qubit efficiency.https://www.mdpi.com/1099-4300/27/4/405quantum cryptographyquantum entangled statesquantum key agreement
spellingShingle Hao Yang
Dunbo Cai
Ling Qian
Runqing Zhang
Songfeng Lu
Chengfu Sun
Single-State Multi-Party Quantum Key Agreement with Single-Particle Measurement
Entropy
quantum cryptography
quantum entangled states
quantum key agreement
title Single-State Multi-Party Quantum Key Agreement with Single-Particle Measurement
title_full Single-State Multi-Party Quantum Key Agreement with Single-Particle Measurement
title_fullStr Single-State Multi-Party Quantum Key Agreement with Single-Particle Measurement
title_full_unstemmed Single-State Multi-Party Quantum Key Agreement with Single-Particle Measurement
title_short Single-State Multi-Party Quantum Key Agreement with Single-Particle Measurement
title_sort single state multi party quantum key agreement with single particle measurement
topic quantum cryptography
quantum entangled states
quantum key agreement
url https://www.mdpi.com/1099-4300/27/4/405
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