405 search results - page 56 / 81 » Practice-Oriented Provable Security |
ICALP
2005
Springer
14 years 1 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...
WCC
2005
Springer
14 years 1 months ago
2005
Springer
A secret handshake mechanism allows two entities, members of a same group, to authenticate each other secretly. This primitive was introduced recently by Balfanz, Durfee, Shankar, ...
CTRSA
2004
Springer
14 years 29 days ago
2004
Springer
Abstract. In this paper, we give a first example of identity based undeniable signature using pairings over elliptic curves. We extend to the identity based setting the security m...
CRYPTO
2001
Springer
14 years 1 days ago
2001
Springer
Recently the braid groups were introduced as a new source for cryptography. The group operations are performed efficiently and the features are quite different from those of other...
AINA
2006
IEEE
13 years 11 months ago
2006
IEEE
Ad hoc networks are dynamic networks formed "on the fly" by a set of nodes. Achieving secure routing in such networks is a big challenge. Asymmetric signature schemes pr...