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›› 2005, Vol. 22 ›› Issue (1): 94-99.DOI: 10.7523/j.issn.2095-6134.2005.1.015

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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
  • Online:2005-01-15

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

CLC Number: