Cryptanalysis of a Quantum Proxy Weak Blind Signature Scheme

被引：23

作者：

Zhang, Ke-Jia ^{[1
]}

Jia, Heng-Yue ^{[2
]}

机构：

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

[2] Cent Univ Finance & Econ, Sch Informat, Beijing 100081, Peoples R China

来源：

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2015年 / 54卷 / 02期

基金：

北京市自然科学基金;

关键词：

Quantum cryptanalysis; Quantum signature; Proxy signature; Blind signature; CLASSICAL MESSAGES; KEY DISTRIBUTION; QSDC PROTOCOL; CRYPTOGRAPHY; SECRET; ATTACK;

D O I：

10.1007/s10773-014-2250-2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Recently, Cao et al. presented a weak blind signature scheme based on a genuinely entangled six -qubit state. However, we find there exists a security problem that the receiver of the signature can forge a valid signature without being caught. In order to show that, the detailed attack strategy and the potential improved ideas are proposed in this paper.

引用

页码：582 / 588

页数：7

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