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Hexiang Sun(孙鹤翔), Ding Xing(邢丁), Zhao Dou(窦钊), Jian Li(李剑), Xiubo Chen(陈秀波), and Lixiang Li(李丽香). 2025: Unidirectional quantum private comparison based on quantum private query, Chinese Physics B, 34(5): 050308. doi: 10.1088/1674-1056/adc662

Citation:

Hexiang Sun(孙鹤翔), Ding Xing(邢丁), Zhao Dou(窦钊), Jian Li(李剑), Xiubo Chen(陈秀波), and Lixiang Li(李丽香). 2025: Unidirectional quantum private comparison based on quantum private query, Chinese Physics B, 34(5): 050308. doi: 10.1088/1674-1056/adc662

Unidirectional quantum private comparison based on quantum private query

1 Information Security Center, State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China;
2 Information Security Center, School of Cyberspace Security, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received Date: 13/02/2025
Accepted Date: 07/03/2025
Fund Project:
Project supported by the National Key Research and Development Program of China (Grant Nos. 2024YFB2906504 and 2024YFB2906500), the National Natural Science Foundation of China (Grant Nos. 62401067 and 62272051), and the 111 Project (Grant No. B21049).
PACS: 03.67.Hk

Abstract

Previous bidirectional quantum private comparison (BQPC) protocols cannot meet the requirements in some special application scenarios, where only one party needs to obtain the comparison results without a third party (TP), such as scenarios for authority surveys or healthcare data sharing. In addition to this, the BQPC protocol has the potential of information leakage in multiple comparisons. Therefore, we design a new unidirectional quantum private comparison (UQPC) protocol based on quantum private query (QPQ) protocols with ideal database security and zero failure probability (IDS-ZF), for the reason that they have excellent unidirectionality and security. Concretely, we design a UQPC protocol based on Wei et al.'s work [IEEE Transactions on Computers 67 2 (2017)] and it includes an authentication process to increase the resistance to outside attacks. Moreover, we generalize the protocol and propose a general model that can transform a QPQ protocol with or without the IDS-ZF property into a secure UQPC protocol. Finally, our study shows that protocols using our model are secure, practical, and have the IDS-ZF property.
- quantum private comparison,
- unidirectionality,
- identification,
- general model

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Unidirectional quantum private comparison based on quantum private query

Received Date: 13/02/2025

Accepted Date: 07/03/2025

Fund Project:

Key words:

Abstract: Previous bidirectional quantum private comparison (BQPC) protocols cannot meet the requirements in some special application scenarios, where only one party needs to obtain the comparison results without a third party (TP), such as scenarios for authority surveys or healthcare data sharing. In addition to this, the BQPC protocol has the potential of information leakage in multiple comparisons. Therefore, we design a new unidirectional quantum private comparison (UQPC) protocol based on quantum private query (QPQ) protocols with ideal database security and zero failure probability (IDS-ZF), for the reason that they have excellent unidirectionality and security. Concretely, we design a UQPC protocol based on Wei et al.'s work [IEEE Transactions on Computers 67 2 (2017)] and it includes an authentication process to increase the resistance to outside attacks. Moreover, we generalize the protocol and propose a general model that can transform a QPQ protocol with or without the IDS-ZF property into a secure UQPC protocol. Finally, our study shows that protocols using our model are secure, practical, and have the IDS-ZF property.

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Unidirectional quantum private comparison based on quantum private query

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