683 search results - page 5 / 137 » Unique Group Signatures |
JSS
2002
13 years 9 months ago
2002
Group signatures, introduced by Chaum and van Heijst, allow members of a group to sign messages anonymously on behalf of the group. Only a designated group manager is able to iden...
ASIACRYPT
2006
Springer
14 years 1 months ago
2006
Springer
The group signature scheme [1], ACJT for short, is popular. In this paper we show that it is not secure. It does not satisfy exculpability. The group manager can sign on behalf of ...
IJNSEC
2008
13 years 9 months ago
2008
To enhance the efficiency of threshold group signature schemes, Yu and Chen, recently, proposed an efficient threshold group signature scheme. By using elliptic curves, the propos...
ICICS
2001
Springer
14 years 2 months ago
2001
Springer
Several new group signature schemes have been proposed in recent years. In addition, several applications for group signatures (including electronic cash) have been suggested. A ne...
CRYPTO
2011
Springer
12 years 9 months ago
2011
Springer
Structure-preserving signatures are signatures defined over bilinear groups that rely on generic group operations. In particular, the messages and signatures consist of group elem...