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ICICS
2003
Springer
13 years 9 months ago
Security Remarks on a Group Signature Scheme with Member Deletion
A group signature scheme allows a group member of a given group to sign messages on behalf of the group in an anonymous and unlinkable fashion. In case of a dispute, however, a des...
Guilin Wang, Feng Bao, Jianying Zhou, Robert H. De...
ACISP
2005
Springer
13 years 10 months ago
Group Signature Where Group Manager, Members and Open Authority Are Identity-Based
We present the first group signature scheme with provable security and signature size O(λ) bits where the group manager, the group members, and the Open Authority (OA) are all id...
Victor K. Wei, Tsz Hon Yuen, Fangguo Zhang
ACNS
2003
Springer
131views Cryptology» more  ACNS 2003»
13 years 10 months ago
On the Security of Two Threshold Signature Schemes with Traceable Signers
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...
Guilin Wang, Xiaoxi Han, Bo Zhu
ASIACRYPT
2007
Springer
13 years 10 months ago
Fully Anonymous Group Signatures Without Random Oracles
We construct a new group signature scheme using bilinear groups. The group signature scheme is practical, both keys and group signatures consist of a constant number of group elem...
Jens Groth
ISW
1999
Springer
13 years 9 months ago
Cryptanalysis of Two Group Signature Schemes
Abstract. Group signature schemes allow a group member to anonymously sign on group’s behalf. Moreover, in case of anonymity misuse, a group authority can recover the issuer of a...
Marc Joye, Seungjoo Kim, Narn-Yih Lee