Designated-verifier proxy signatures for E-commerce

被引：11
|
作者：
Wang, GL [1 ]
机构：
[1] Inst Infocomm Res, Infocomm Secur Dept, Singapore 119613, Singapore
来源：
2004 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXP (ICME), VOLS 1-3 | 2004年
关键词：
digital signature; proxy signature; digital product; electronic commerce; information security;
D O I：
10.1109/ICME.2004.1394588
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In a designated-verifier proxy signature scheme, a user delegates her/his signing capability to another user in such a way that the latter can sign messages on behalf of the former, but the validity of generated signatures can only be checked by the designated verifier. In this paper, we first point out one such scheme proposed recently by Dai et at. is insecure. To overcome the weaknesses in their scheme, based on the two-party Schnorr signature by Nicolosi et al., we present a new designated-verifier proxy signature scheme which is efficient and secure. Finally, we suggest to use our scheme in electronic commerce applications, such as sale of digital products (digital music, movies, and books etc.).
引用
收藏
页码：1731 / 1734
页数：4
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