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中国科学院大学学报 ›› 2005, Vol. 22 ›› Issue (1): 94-99.DOI: 10.7523/j.issn.2095-6134.2005.1.015

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带有身份公开委员会的群签名

屠海瑞1,2, 叶顶峰2   

  1. 1. 中国科学技术大学数学系,合肥230026;
    2. 信息安全国家重点实验室(中国科学院研究生院) ,北京100049
  • 发布日期:2005-01-15

Group Signature with Identity Opening Committee

Tu Hairui1,2, Ye Dingfeng2   

  1. 1. Department of Mathematics, University of Science and Technology of China, Hefei 230026, China;
    2. State Key Laboratory of Information Security, Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
  • Published:2005-01-15

摘要:

群签名允许一个群成员匿名的签名,同时证明该签名是由该群体成员生成。当产生争论的时候,签名者的身份可以由群管理员来公开。设计了一种新的特性,允许设置若干个代理,例如身份公开委员会,通过共享群成员证书,来共享群成员的身份。

关键词: 群签名, 身份公开委员会, 可跟踪性

Abstract:

A group signature allows a group member to sign messages anonymously on behalf of the group .However , in the case of a dispute , the identity of a signatures originator can be revealed by the group manager .This work allows the group manager to let several proxies , such as an identity revocation committee, share the ability of revealing the identity of the group member by sharing the members certificate

Key words: group signature, identity opening committee, traceability

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