Cryptanalysis of the Quantum Group Signature Protocols

被引：0
作者：
Ke-Jia Zhang
Ying Sun
Ting-Ting Song
Hui-Juan Zuo
机构：
[1] Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology
[2] Beijing Electronic Science and Technology Institute,undefined
来源：
International Journal of Theoretical Physics | 2013年 / 52卷
关键词：
Quantum cryptanalysis; Quantum signature; Group signature;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Recently, the researches of quantum group signature (QGS) have attracted a lot of attentions and some typical protocols have been designed for e-payment system, e-government, e-business, etc. In this paper, we analyze the security of the quantum group signature with the example of two novel protocols. It can be seen that both of them cannot be implemented securely since the arbitrator cannot solve the disputes fairly. In order to show that, some possible attack strategies, which can be used by the malicious participants, are proposed. Moreover, the further discussions of QGS are presented finally, including some insecurity factors and improved ideas.
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页码：4163 / 4173
页数：10
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