Cryptanalysis and improvement of multiparty quantum secret sharing schemes

被引：75

作者：

Wang, Tian-yin ^{[1
,2
]}

Wen, Qiao-yan ^{[1
]}

Gao, Fei ^{[1
]}

Lin, Song ^{[1
]}

Zhu, Fu-chen ^{[3
]}

机构：

[1] Beijing Univ Posts & Telecommun, State key Lab Networking & Switching Technol, Beijing 100876, Peoples R China

[2] Luoyang Normal Univ, Sch Math Sci, Luoyang 471022, Peoples R China

[3] Natl Lab Modern Commun, Chengdu 610041, Peoples R China

来源：

PHYSICS LETTERS A | 2008年 / 373卷 / 01期

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

Quantum secret sharing; Bell state; Quantum teleportation;

D O I：

10.1016/j.physleta.2008.11.004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A scheme of multiparty quantum secret sharing of classical messages (QSSCM) [Z.J. Zhang et al., Opt. Commun. 269 (2007) 418] was proposed. Lin et al. [S. Lin et al., Opt. Commun. 281 (2008) 4553] showed the last agent can obtain half of the secret in Z.J. Zhang's et al. three-party QSSCM scheme and gave an improved version. We further show the first agent and the last agent can obtain all the secret without introducing any error in Zhang's et al. multiparty QSSCM scheme by a special attack with quantum teleportation. We also present an improved version. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：65 / 68

页数：4

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