A robust (k, n)+1 threshold proxy signature scheme based on factoring

被引：13

作者：

Lu, RX ^{[1
]}

Cao, ZF ^{[1
]}

Zhu, HJ ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Comp Sci, Shanghai 200030, Peoples R China

来源：

APPLIED MATHEMATICS AND COMPUTATION | 2005年 / 166卷 / 01期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

proxy signature; threshold signature; improved RSA scheme; factoring;

D O I：

10.1016/j.amc.2004.04.104

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Proxy signature is an active cryptographic research area. Since Mambo et at. introduced the concept of proxy signature in 1996, many proxy signature schemes have been proposed. However, most of these previously proposed schemes are based on discrete logarithm problems. In this paper, we would like to propose a new robust (k,n) + 1 threshold proxy signature scheme based on factoring. In this scheme, generating a valid proxy signature needs not only any k or more members in n proxy signers but also a trusted dealer to cooperatively sign a message. To our best knowledge, this is the first (k,n) + 1 threshold proxy signature scheme based on factoring. (c) 2004 Elsevier Inc. All rights reserved.

引用

页码：35 / 45

页数：11

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