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| 1 | (4,4)的量子秘密共享协议及其模型化检测显示文摘根据GHZ(Greenberger-Horne-Zeilinger)态的纠缠特性,设计了一种基于五粒子GHZ态的量子秘密共享协议。协议中由发起者制备五粒子GHZ态的量子序列,秘密共享方总人数为4,只有当4个人都参与解密时才能解出秘密信息。分析了协议的正确性和安全性,结果表明协议能抵抗截获重发攻击、中间人攻击和纠缠攻击。当诱惑粒子存在时,使用模型化工具Prism得到了窃听者在不同噪声环境下被发现的概率。 | 江英华 张仕斌 杨帆 昌燕 张航 | 2017 | 激光与光电子学进展2017，54，12： | 5 |
| 2 | Cryptanalysis and Improvement of Quantum Private Comparison Protocol Based on Bell Entangled States显示文摘Recently, Liu et al. [Commun. Theor. Phys. 57(2012) 583] proposed a quantum private comparison protocol based on entanglement swapping of Bell states, which aims to securely compare the equality of two participants' information with the help of a semi-honest third party(TP). However, the present study points out there is a fatal loophole in Liu et al.'s protocol, and TP can make Bell-basis measurement to know all the participants' secret inputs without being detected. To fix the problem, a simple solution, which uses one-time eavesdropper checking with decoy photons instead of twice eavesdropper checking with Bell states, is demonstrated. Compared with the original protocol,it not only reduces the Bell states consumption but also simplifies the protocol steps. | 刘文杰 刘超 陈汉武 李志强 刘志昊 | 2014 | Communications in Theoretical Physics2014，61，8： | 3 |
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