19 search results - page 1 / 4 » On the Security of Dynamic Group Signatures: Preventing Sign... |
PKC
2012
Springer
11 years 7 months ago
2012
Springer
We identify a potential weakness in the standard security model for dynamic group signatures which appears to have been overlooked previously. More specifically, we highlight tha...
ASIACRYPT
2007
Springer
13 years 11 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...
INFORMATICALT
2006
13 years 5 months ago
2006
One important requirement of electronic cash systems is the anonymity of customers. Unconditional anonymity is also very well suited to support criminals in blackmailing. Maitland ...
ASIACRYPT
2003
Springer
13 years 10 months ago
2003
Springer
Constructing practical and provably secure group signature schemes has been a very active research topic in recent years. A group signature can be viewed as a digital signature wit...
CTRSA
2005
Springer
13 years 10 months ago
2005
Springer
We propose a dynamic accumulator scheme from bilinear pairings, whose security is based on the Strong Diffie-Hellman assumption. We show applications of this accumulator in constru...