117 search results - page 18 / 24 » Short Group Signature Without Random Oracles |
TC
2008
13 years 7 months ago
2008
In a distributed key distribution scheme, a set of servers help a set of users in a group to securely obtain a common key. Security means that an adversary who corrupts some server...
EUROCRYPT
2010
Springer
13 years 7 months ago
2010
Springer
We investigate the possibility to prove security of the well-known blind signature schemes by Chaum, and by Pointcheval and Stern in the standard model, i.e., without random oracle...
CTRSA
2012
Springer
12 years 3 months ago
2012
Springer
We study the problem of searching on encrypted data, where the search is performed using a plaintext message or a keyword, rather than a message-specific trapdoor as done by state...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
A group key agreement protocol (GKA) allows a set of players to establish a shared secret key which can be used to secure a subsequent communication. Several efficient constantrou...
STOC
2009
ACM
14 years 8 months ago
2009
ACM
We consider matrix groups, specified by a list of generators, over finite fields. The two most basic questions about such groups are membership in and the order of the group. Even...