Threshold quantum secret sharing between multi-party and multi-party

被引：50
作者：
Yang YuGuang [1 ,2 ,3 ]
Wen QiaoYan [4 ]
机构：
[1] Beijing Univ Technol, Coll Comp Sci & Technol, Beijing 100124, Peoples R China
[2] Xidian Univ, State Key Lab Integrated Serv Network, Xian 710071, Peoples R China
[3] Chinese Acad Sci, Grad Univ, State Key Lab Informat Secur, Beijing 100049, Peoples R China
[4] Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China
来源：
SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY | 2008年 / 51卷 / 09期
基金：
中国国家自然科学基金;
关键词：
threshold quantum secret sharing; quantum cryptography; single photon; multi-party and multi-party;
D O I：
10.1007/s11433-008-0114-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A threshold quantum secret sharing (TQSS) scheme between multi-party and multi-party was proposed using a sequence of single photons, which is useful and efficient when the parties of communication are not all present. We described the process of this TQSS scheme and discussed its security. It was shown that entanglement is not necessary for quantum secret sharing. Moreover, the theoretic efficiency was improved to approach 100% as almost all the instances can be used for generating the private key, and each photon can carry one bit of information. This protocol is feasible with the present-day technique.
引用
收藏
页码：1308 / 1315
页数：8
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