446 search results - page 1 / 90 » On Anonymity of Group Signatures |
CIS
2005
Springer
13 years 10 months ago
2005
Springer
A secure group signature is required to be anonymous, that is, given two group signatures generated by two different members on the same message or two group signatures generated ...
ASIACRYPT
2006
Springer
13 years 8 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 ...
ISW
1999
Springer
13 years 8 months ago
1999
Springer
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...
CARDIS
2004
Springer
13 years 10 months ago
2004
Springer
More and more services provided by Internet pose a problem of privacy and anonymity. One cryptographic tool that could be used for solving this problem is the group signature [1, 5...
ASIACRYPT
2007
Springer
13 years 10 months ago
2007
Springer
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...