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Quantum Private Comparison Based on GHZ Entangled States

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Abstract

We present a new quantum private comparison protocol based on the three-particle GHZ states. In this protocol, we prepare two types of GHZ states and use their entanglement properties to encode and compare the private information of X and Y. We also discuss that our protocol can withstand all various kinds of outside attacks and participant attacks.

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Acknowledgements

This paper is supported by the High Technology Research and Development Program of China (863 Program, 2011AA01A107); Beijing Municipal Special Fund for Cultural and Creative Industries (2009).

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Authors and Affiliations

  1. School of Computer Science, Communication University of China, Beijing, 100024, China

    Wen Liu & Yong-Bin Wang

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  1. Wen Liu
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  2. Yong-Bin Wang
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Correspondence to Wen Liu.

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Liu, W., Wang, YB. Quantum Private Comparison Based on GHZ Entangled States. Int J Theor Phys 51, 3596–3604 (2012). https://doi.org/10.1007/s10773-012-1246-z

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  • DOI: https://doi.org/10.1007/s10773-012-1246-z

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