158 search results - page 22 / 32 » Analysis of improved signcryption scheme with key privacy |
SP
2010
IEEE
14 years 14 days ago
2010
IEEE
—Captchas are designed to be easy for humans but hard for machines. However, most recent research has focused only on making them hard for machines. In this paper, we present wha...
SCN
2008
Springer
13 years 8 months ago
2008
Springer
Relative location information helps build vehicle topology maps. Such maps provide location information of nearby vehicles to drivers. In building a vehicle topology, one must cons...
FC
2003
Springer
14 years 1 months ago
2003
Springer
Abstract. We present a new cryptographic auction protocol that prevents extraction of bid information despite any collusion of participants. This requirement is stronger than commo...
ACSAC
2007
IEEE
14 years 2 months ago
2007
IEEE
We propose a taxonomy of botnet structures, based on their utility to the botmaster. We propose key metrics to measure their utility for various activities (e.g., spam, ddos). Usi...
ACNS
2008
Springer
14 years 2 months ago
2008
Springer
In this paper, we present an analysis of the CCM mode of operations and of a slight variant. CCM is a simple and efficient encryption scheme which combines a CBC-MAC authentication...