| 基于GHZ态的三方量子安全直接通信 |
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| 引用本文： | 刘晓芬,姚志强. 基于GHZ态的三方量子安全直接通信[J]. 莆田高等专科学校学报, 2012, 0(5): 66-69 |
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| 作者姓名： | 刘晓芬 姚志强 |
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| 作者单位： | [1]福建师范大学数学与计算机科学学院,福建福州350007 [2]福建师范大学软件学院,福建福州350007 |
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| 基金项目： | 福建省自然科学基金资助项目（2010J01318,2010J05128,2011J01339）;福建省教育厅资助项目（JAI1054） |
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| 摘 要： | 利用Greenberger-Home—Zeilinger态的纠缠特性，提出一个三方量子安全直接通信方案，参与者通过对Greenberger—Home—Zeilinger态进行单粒子幺正操作，编码其一比特经典消息，最后每个参与者都可根据自身的秘密消息获得另外两个参与者发送的秘密消息。此外，对协议在理想情况下的安全性进行简要的分析，表明该协议是安全的。
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| 关 键 词： | 量子安全直接通信 Greenberger—Home—Zeilinger态 量子密码 |
Three-Party Quantum Secure Direct Communication Protocol with Greenberger-Horne-Zeilinger State |
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| LIU Xiao-fen,YAO Zhi-qiang. Three-Party Quantum Secure Direct Communication Protocol with Greenberger-Horne-Zeilinger State[J]. Journal of Putian College, 2012, 0(5): 66-69 |
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| Authors: | LIU Xiao-fen YAO Zhi-qiang |
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| Affiliation: | 1. School of Mathematics and Computer Science, Fujian Normal University, Fuzhou Fujian 350007, China; 2. Faculty of Software, Fujian Normal University, Fuzhou Fujian 350007, China ) |
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| Abstract: | The entanglement of Greenberger-Horne-Zeilinger state was used to present a three-party quantum secure direct communication protocol. In the protocol, one participant encodes a classical bit by performing single-particle unitary operation on Greenberger-Horne-Zeilinger state. At the end of the presented protocol, each participant obtained the secret messages transmitted by in an optimal situation was analyzed briefly. The result the other two participants. The security of this protocol showed that this protocol was secure. |
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| Keywords: | quantum secure direct communication Greenberger-Horne-Zeilinger state quantum cryptography |
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