An improved E-payment protocol based on quantum blind signature without entanglement

被引：5
|
作者：
Gou, Xiang-Lin [1 ]
Shi, Run-Hua [1 ]
Shi, Ze [1 ]
Li, Kun-Chang [1 ]
机构：
[1] North China Elect Power Univ, Sch Control & Comp Engn, Beijing, Peoples R China
来源：
MODERN PHYSICS LETTERS A | 2021年 / 36卷 / 07期
基金：
中国国家自然科学基金;
关键词：
E-payment; quantum blind signature; entanglement; identity authentication; UNCONDITIONAL SECURITY; SCHEME; CRYPTANALYSIS;
D O I：
10.1142/S0217732321500401
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
E-payment plays an important role in modern daily life, so the security problem of E-payment has been widely concerned by researchers. In a recent paper [Int. J. Theor. Phys. 57, 2657 (2018)], the authors presented a trusted third-party E-payment protocol based on quantum blind signature without entanglement. In this paper, we show that there is a serious security flaw in their E-payment protocol. That is, the partial keys will be disclosed by performing a simple attack strategy. Furthermore, we propose an improved E-payment protocol and analyze its security.
引用
收藏
页数：13
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