CRYPTO
2004
Springer
14 years 25 days ago
2004
Springer
ded abstract of this paper is to appear in Advances in Cryptology—CRYPTO 2004, Springer-Verlag. We construct a short group signature scheme. Signatures in our scheme are approxi...
ICALP
2005
Springer
14 years 29 days 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
14 years 1 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 ...
ASIACRYPT
2009
Springer
14 years 2 months ago
2009
Springer
Group encryption (GE) schemes, introduced at Asiacrypt’07, are an encryption analogue of group signatures with a number of interesting applications. They allow a sender to encryp...