488 search results - page 87 / 98 » Policy-Based Cryptography and Applications |
DAM
2008
13 years 7 months ago
2008
We describe the most efficient solutions to the word problem of Artin's braid group known so far, i.e., in other words, the most efficient solutions to the braid isotopy probl...
EUROCRYPT
2009
Springer
14 years 8 months ago
2009
Springer
A group key agreement (GKA) protocol allows a set of users to establish a common secret via open networks. Observing that a major goal of GKAs for most applications is to establish...
TCC
2009
Springer
14 years 8 months ago
2009
Springer
Abstract. In this paper we consider commitment schemes that are secure against concurrent man-in-the-middle (cMiM) attacks. Under such attacks, two possible notions of security for...
TCC
2009
Springer
14 years 8 months ago
2009
Springer
We present the first hierarchical identity based encryption (HIBE) system that has full security for more than a constant number of levels. In all prior HIBE systems in the literat...
PKC
2009
Springer
14 years 8 months ago
2009
Springer
We explore the security of blind signatures under aborts where the user or the signer may stop the interactive signature issue protocol prematurely. Several works on blind signatur...