Two robust quantum key agreement protocols based on logical GHZ states

被引：11

作者：

He, Yefeng ^{[1
]}

Ma, Wenping ^{[2
]}

机构：

[1] Xian Univ Posts & Telecommun, Sch Telecommun & Informat Engn, Xian 710121, Shaanxi, Peoples R China

[2] Xidian Univ, State Key Lab Integrated Serv Network, Xian 710071, Shaanxi, Peoples R China

来源：

MODERN PHYSICS LETTERS B | 2017年 / 31卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Quantum cryptography; quantum key agreement; collective noise; logical GHZ state; logical Bell state; 4-QUBIT CLUSTER STATES; COMMUNICATION PROTOCOLS; SINGLE PARTICLES; BELL STATES; SCHEME;

D O I：

10.1142/S0217984917500154

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Based on logical GHZ states and logical Bell states, two robust quantum key agreement protocols are proposed, which can be immune to the collective-dephasing noise and the collective-rotation noise, respectively. The delayed measurement technique ensures that two participants can fairly negotiate a shared key and any one of them cannot successfully perform the participant attacks. The two protocols are congenitally free from the Trojan horse attacks and they can resist against other outsider attacks with the help of the decoy state technology. Moreover, they have no information leakage problem and achieve high qubit efficiency.

引用

页数：15

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