基于GHZ态的三个量子位秘密共享方案

J4 ›› 2010, Vol. 27 ›› Issue (1): 41-46.

基于GHZ态的三个量子位秘密共享方案

刘岳启¹ 施锦² 胡宝林² 张琨³

1淮阴师范学院科技处，江苏淮安 223300;
2淮阴师范学院物理系，江苏淮安 223300;
3南京理工大学计算机科学与技术学院，江苏南京 220091

出版日期:2010-01-28 发布日期:2009-12-30
通讯作者: 刘岳启（1975-），男，硕士，助理研究员，主要研究领域为信息安全。
基金资助:
国家自然科学基金重点项目：可信软件风险多层次综合管理技术（90718021）；
江苏省淮阴师范学院青年优秀人才支持计划（08QNZCK10）

Scheme of three quantum bit secret sharing based on GHZ state

LIU Yue-Qi¹, Shi-Jin², HU Bao-Lin², ZHANG Kun³

1Department of Science and Technology, Huaiyin Normal University, Huaian 223300,China;
2Department of physics, Huaiyin Normal University, Huaian 223300,China;
3Department of Computer, Nanjing University of Science and Technology, Nanjing 210094, China

Published:2010-01-28 Online:2009-12-30

摘要/Abstract

摘要：

提出了利用五个粒子纠缠GHZ态作为量子信道来完成三个粒子纠缠态的隐形传态，从而实现三个量子位的秘密共享方案，并对方案进行安全性分析。该方案充分利用GHZ态五个粒子间的相关性，通过一次Bell基测量和三次单粒子测量，并通过相应的幺正变换即可实现Alice和Charlie之间三个量子位的秘密共享。与相关文献相比，在没有增加粒子数的前提下，提高了量子位的传输，为量子密钥共享传递更多量子位提供了理论基础。

关键词: 量子光学, 量子秘密共享, 量子纠缠, 量子隐形传态

Abstract:

With a five-particle entanglement GHZ state as the quantum channel, a quantum secret sharing scheme is proposed, which put through the three-particle teleportation in order to realize the three-quantum secret sharing. The safety of the scheme is analyzed. The scheme makes full use of five particles’ relationship of the GHZ-state. It is found that a Bell-basis measurement, three single particle measurement and corresponding unitary transformation are required. Compared with the pertinent literature, it enhances the quantum transmission without increasing the number of particles, and forms a theoretical basis for transmitting more quanta in quantum secret sharing.

Key words: quantum optics, quantum secret sharing, quantum entanlement, qunatum teleportation

刘岳启施锦胡宝林张琨. 基于GHZ态的三个量子位秘密共享方案[J]. J4, 2010, 27(1): 41-46.

LIU Yue-Qi, Shi-Jin, HU Bao-Lin, ZHANG Kun. Scheme of three quantum bit secret sharing based on GHZ state[J]. J4, 2010, 27(1): 41-46.

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