985 search results - page 121 / 197 » On the validity of digital signatures |
SRDS
1999
IEEE
14 years 2 months ago
1999
IEEE
We study how to efficiently diffuse updates to a large distributed system of data replicas, some of which may exhibit arbitrary (Byzantine) failures. We assume that strictly fewer...
ASWEC
2007
IEEE
14 years 2 months ago
2007
IEEE
Influence control is a very challenging issue in dynamic reconfiguration and still not well addressed in the literature. This paper argues that dynamic reconfiguration influences s...
CCS
2007
ACM
14 years 2 months ago
2007
ACM
Defending against denial-of-service (DoS) in a mobile ad hoc network (MANET) is challenging because the network topology is dynamic and nodes are selfish. In this paper, we propos...
ECWEB
2007
Springer
14 years 2 months ago
2007
Springer
A significant number of mobile payment systems have been proposed in recent years, most of them based on a scenario where all the entities are directly connected one to another (fo...
AINA
2007
IEEE
14 years 2 months ago
2007
IEEE
PKI is generally considered as the most appropriate solution for e-commerce and mutual authentication, owing to its digital signature and non-repudiation features. Asymmetric key ...