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A Novel Pure Entangled State Based Two-Party Quantum Private Comparison Protocol

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Abstract

At present, the previous quantum private comparison (QPC) protocols always employ maximally entangled states as quantum resource, which are harder to prepare than pure entangled states. In this paper, by using two-particle pure entangled states as quantum resource, one novel QPC protocol is constructed, which is easy to implement in reality with present quantum technologies. The proposed protocol needs neither unitary operations nor quantum entanglement swapping but single-particle measurements. The proposed protocol is secure against both the outside attack and the participant attack.

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  1. Hangzhou College of Commerce, Zhejiang Gongshang University, Hangzhou, 310018, People’s Republic of China

    Pan Hong-Ming

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  1. Pan Hong-Ming
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Correspondence to Pan Hong-Ming.

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Hong-Ming, P. A Novel Pure Entangled State Based Two-Party Quantum Private Comparison Protocol. Int J Theor Phys 58, 3822–3827 (2019). https://doi.org/10.1007/s10773-019-04250-0

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  • DOI: https://doi.org/10.1007/s10773-019-04250-0

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