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Three-Party Quantum Key Agreement Protocol with Seven-Qubit Entangled States

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Abstract

A new three-party quantum key agreement protocol based on seven-qubit states is proposed. In this protocol, each participant adopts different encryption methods to transmit a secret key of the same length. Subsequently, the participants utilize joint measurement to gain the ultimate shared secret key. No participant can determine the ultimate shared key by himself/herself. In addition, the proposed three-party quantum key agreement protocol could resist several well-known attacks. Compared with typical quantum key agreement protocols, our proposed three-party quantum key agreement protocol is more efficient.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (Grant No. 61561033), and the Natural Science Foundation of Jiangxi Province (Grant No. 20171BAB202002).

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Authors and Affiliations

  1. Department of Electronic Information Engineering, Nanchang University, Nanchang, 330031, China

    Nan-Run Zhou & Li-Hua Gong

  2. Department of Computer Science and Technology, Nanchang University, Nanchang, 330031, China

    Shi-Qi Min

  3. Department of Physics, Nanchang University, Nanchang, 330031, China

    Hua-Ying Chen

Authors
  1. Nan-Run Zhou
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  2. Shi-Qi Min
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  3. Hua-Ying Chen
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  4. Li-Hua Gong
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Correspondence to Li-Hua Gong.

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Zhou, NR., Min, SQ., Chen, HY. et al. Three-Party Quantum Key Agreement Protocol with Seven-Qubit Entangled States. Int J Theor Phys 57, 3505–3513 (2018). https://doi.org/10.1007/s10773-018-3865-5

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  • DOI: https://doi.org/10.1007/s10773-018-3865-5

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