Novel multi-party quantum key agreement protocols under collective noise
Novel multi-party quantum key agreement protocols under collective noise
复制标题
集体噪声下的新型多方量子密钥协商协议
DOI:
10.1142/s0217984921501372
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发表时间:
2021-01
影响因子:
1.9
通讯作者:
Huicun Yu
中科院分区:
文献类型:
--
作者:
Jie Tang;Lei Shi;Jiahua Wei;Yang Xue;Huicun Yu
Based on the logic Bell states, we present two novel multi-party quantum key agreement (QKA) protocols under collective noise. The proposed protocols make full use of four-qubit logic Bell states as quantum resources and perform the novel encoding operation to generate the shared key. The security analysis shows that these two protocols can resist against both participant and outsider attacks. Furthermore, compared with the other existing multi-party QKA protocols over collective noise, our protocols have higher qubit efficiency. Finally, we perform the simulation of the relationship between efficiency and security, which is completely consistent with the conclusion of the security analysis of the protocols.
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