Efficient Dynamic Threshold Group Signature Scheme Based on Elliptic Curve Cryptosystem

被引：5
|
作者：
夏祥胜
洪帆
耿永军
崔国华
机构：
[1] China Department of Computer
[2] Wuhan 430074
[3] Wuhan Polytechnic University
[4] School of Computer Science and Technology Huazhong University of Science and Technology
[5] Wuhan 430023
来源：
Railway Engineering Science | 2008年 / 01期
基金：
中国国家自然科学基金;
关键词：
Elliptic curve cryptosystem; Group signature; Threshold scheme; Dynamic threshold group signature;
D O I：
暂无
中图分类号：
TN918 [通信保密与通信安全];
学科分类号：
0839 ; 1402 ;
摘要：
The short secret key characteristic of elliptic curve cryptosystem(ECC) are integrated with the(t,n) threshold method to create a practical threshold group signature scheme characterized by simultaneous signing.The scheme not only meets the requirements of anonymity and traceability of group signature but also can withstand Tseng and Wang’s conspiracy attack.It allows the group manager to add new members and delete old members according to actual application,while the system parameters have a little change.Cryptanalysis result shows that the scheme is efficient and secure.
引用
收藏
页码：18 / 23
页数：6
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