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

页数：13

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