| 多方量子密钥管理协议设计与安全性分析 |
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| 引用本文： | 宋曦,王玉亭,王瑜曈,肖博,陈康杰.多方量子密钥管理协议设计与安全性分析[J].通信技术,2020(1):150-155. |
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| 作者姓名： | 宋曦 王玉亭 王瑜曈 肖博 陈康杰 |
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| 作者单位： | 国网甘肃省电力公司信息通信公司;国网信通亿力科技有限责任公司 |
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| 基金项目： | 国网甘肃省电力公司信息通信公司科技项目“基于量子保密通信技术的研究与应用”（No.52272317000G）~~ |
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| 摘 要： | 针对多个用户之间多功能、多任务的保密通信需求,利用d级Bell态和猫态的纠缠交换,设计了一种能在一次执行过程中同时实现密钥生成、密钥分发和密钥备份功能的新型量子密钥管理(Quantum Key Management,QKM)协议,并将协议从面向两个管理者和两个用户的特定方案推广到含有L个管理者和N个用户的一般情形。最后,详细论证了该协议的安全性能。
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| 关 键 词： | 量子密钥管理(QKM) BELL基测量 纠缠交换 多任务 |
Design and Security Analysis of Quantum Key Management Protocol for Multi-User Scene |
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| SONG Xi,WANG Yu-ting,WANG Yu-tong,XIAO Bo,CHEN Kang-jie.Design and Security Analysis of Quantum Key Management Protocol for Multi-User Scene[J].Communications Technology,2020(1):150-155. |
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| Authors: | SONG Xi WANG Yu-ting WANG Yu-tong XIAO Bo CHEN Kang-jie |
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| Affiliation: | (State Grid Gansu Provincial Electric Power Company Information and Communication Company,Lanzhou Gansu 730050,China;State Grid Xintong Yili Technology Co.,Ltd.,Xiamen Fujian 350003,China) |
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| Abstract: | Aiming at the requirement of multi-function and multi-task secure communication among multiple users,a new Quantum Key Management(QKM)protocol is designed by using the entanglement swapping of d-level Bell state and cat state,which can simultaneously realize key generation,key distribution and key backup in one execution process.The protocol is extended from a specific scheme for two managers and two users to one containing L managers and N users.Finally,the security performance of the protocol is demonstrated in detail. |
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| Keywords: | Quantum Key Management(QKM) Bell basis measurement entanglement swapping multi-task unconditional security |
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