790 search results - page 3 / 158 » Hierarchical Group Signatures |
ICISC
2003
13 years 7 months ago
2003
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 way. In case of a dispute, however, a design...
JSS
2002
13 years 5 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
13 years 9 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 5 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...
IJNSEC
2006
13 years 5 months ago
2006
Suppose that an organization O wants to do the following: to reveal only part of its network map; to filter unwanted traffic passing through its network; and to route, to the righ...