Fair electronic cash systems with multiple banks

被引:0
|
作者
Zhang, FG [1 ]
Zhang, FT [1 ]
Wang, YM [1 ]
机构
[1] Xidian Univ, Key Lab ISN, Xian 710071, Peoples R China
关键词
fair electronic cash; group signature; elliptic curve discrete logarithms;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
We propose a model for fair electronic cash issued by multiple banks for the first time, A scheme of electronic cash with multiple banks in which a user can be traced is presented by using the improved group signature scheme of Cam97[4] and the group blind signature scheme of Lys98[14]. A weakness in the design of withdrawal and payment protocols using the existing group signature schemes is pointed out with its reasons analysed.
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页码:461 / 470
页数:4
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