790 search results - page 1 / 158 » Hierarchical Group Signatures |
PAIRING
2009
Springer
13 years 11 months ago
2009
Springer
A number of previous papers explored the notion of identity-based group signature. We present a generic construction of identity-based group signatures. Our construction is based o...
EUROCRYPT
2006
Springer
13 years 8 months ago
2006
Springer
We present the first efficient group signature scheme that is provably secure without random oracles. We achieve this result by combining provably secure hierarchical signatures i...
ICALP
2005
Springer
13 years 10 months ago
2005
Springer
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers organized in a tree with the si...
CISC
2007
Springer
13 years 10 months ago
2007
Springer
We formalize a generic method of constructing efficient group signatures, specifically, we define new notions of unlinkable randomizable signature, indirectly signable signature ...
ACNS
2004
Springer
13 years 8 months ago
2004
Springer
The concept of group signature allows a group member to sign message anonymously on behalf of the group. In the event of a dispute, a designated entity can reveal the identity of a...