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The Three-party Quantum Key Agreement Protocol with Quantum Fourier Transform
International Journal of Theoretical Physics ( IF 1.4 ) Pub Date : 2020-05-07 , DOI: 10.1007/s10773-020-04467-4
Wei Wang , Bao-Min Zhou , Long Zhang

Quantum key agreement(QKA) is an important part of quantum cryptography. In QKA, the final shared key must be negotiated equally by all participants, and any nontrivial subset of participants cannot fully determine the shared key. In this scheme, a novel three-party QKA with quantum fourier transform(QFT) is proposed. In addition, we utilize random numbers, decoy states and a hash function to make this protocol be resistant external attacks and participant attacks. Furthermore, the scheme can meet fairness i.e. each participant contributes fairly and equally to the final key.

中文翻译:

具有量子傅立叶变换的三方量子密钥协商协议

量子密钥协议(QKA)是量子密码学的重要组成部分。在 QKA 中,最终的共享密钥必须由所有参与者平等协商,任何非平凡的参与者子集都不能完全确定共享密钥。在该方案中,提出了一种新的具有量子傅立叶变换(QFT)的三方QKA。此外,我们利用随机数、诱饵状态和哈希函数使该协议能够抵抗外部攻击和参与者攻击。此外,该方案可以满足公平性,即每个参与者对最终密钥公平且平等地贡献。
更新日期:2020-05-07
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