Cryptanalysis of an efficient group signature schemen

LU Rong-bo1; XUAN Heng-nong3; HE Da-ke2

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Cryptanalysis of an efficient group signature schemen

更新时间：2024-10-14

- Cryptanalysis of an efficient group signature schemen
- Issue 4, Pages: 9-12(2007)
- 作者机构：
  
  吉首大学数学与计算机科学系 2. 南京财经大学信息工程学院 3. 西南交通大学信息安全与国家计算网格实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN918.1
- Published：2007
- 稿件说明：
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LU Rong-bo1, XUAN Heng-nong3, HE Da-ke2. Cryptanalysis of an efficient group signature schemen[J]. 2007, (4): 9-12.
DOI：

LU Rong-bo1, XUAN Heng-nong3, HE Da-ke2. Cryptanalysis of an efficient group signature schemen[J]. 2007, (4): 9-12. DOI：

摘要

分析了张健红等人提出的高效群签名方案的安全性缺陷

撤销中心不能够打开一个有效的群签名

因此

群签名是不可跟踪的;其次

给出了对该群签名的一种联合攻击

群管理员和撤销中心合谋后可以任意产生有效的群签名并把它强加给任一群成员。分析结果表明

该群签名方案是不安全的。

Abstract

The security flaws of the group signature proposed by Zhang Jianhong and etc.was analyzed.It pointed out that the group signature was not untraceable for the revocation center could not open a valid group signature.A coalition attack that the manager and the revocation center could conspire to generate valid group signatures and impose them on an arbitrary member of the group was presented.The security analysis show that the scheme is insecure.

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