Cryptanalysis of fair quantum blind signatures

被引：14

作者：

He Li-Bao ^{[1
,2
]}

Huang Liu-Sheng ^{[1
,2
]}

Yang Wei ^{[2
]}

Xu Rui ^{[2
]}

机构：

[1] Univ Sci & Technol China, Natl High Performance Comp Ctr, Dept Comp Sci & Technol, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Suzhou Inst Adv Study, Suzhou 215123, Peoples R China

来源：

CHINESE PHYSICS B | 2012年 / 21卷 / 03期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

fair blind signature; single photons; hash function; DISCRETE LOGARITHMS; CLASSICAL MESSAGES; SCHEME;

D O I：

10.1088/1674-1056/21/3/030306

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate the fair quantum blind signature scheme proposed by Wang and Wen [Wang T Y and Wen Q Y 2010 Chin. Phys. B 19 060307], which uses the fundamental properties of quantum mechanics and the availability of a trusted arbitrator. However, in this paper, we find that the protocol cannot satisfy the property of non-forgeability even under the condition that the trusted arbitrator is totally credible. Moreover, a simple feasible suggestion for improving the protocol is proposed.

引用

页数：4

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