Fair multi-party non-repudiation protocols

被引:17
|
作者
Steve Kremer
Olivier Markowitch
机构
[1] Université Libre de Bruxelles,Computer Science Department
关键词
Non-repudiation; Fair exchange; Group communications;
D O I
10.1007/s10207-003-0019-3
中图分类号
学科分类号
摘要
In this paper we introduce the concept of multi-party non-repudiation protocols. We define the aims of multi-party non-repudiation protocols, compare them to multi-party fair exchange and show some fundamental differences. We present two protocols, the first one using an online trusted third party and the second one using an offline trusted third party. We also show how to modify each of these protocols in order to provide confidentiality. The definitions and the resulting protocols are more general than the only comparable work, a multi-party certified e-mail protocol.
引用
收藏
页码:223 / 235
页数:12
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