This thesis presents information theoretic anonymity metrics and various analysis of anonymous communication nodes. Our contributions are a step towards the understanding of anonymity properties and… (More)
A wide spectrum of certificate revocation mechanisms is currently in use. A number of them have been proposed by standardisation bodies, while some others have originated from academic or private… (More)
Currently, Belgium is introducing an electronic version of its identity card. In this article, we shortly describe the card, and give a brief introduction to its cryptographic features. In… (More)
A survey was conducted to provide a state of the art of online banking authentication and communications security implementations. Between global regions the applied (single or multifactor)… (More)
In the last couple of years, several European countries have started projects which intend to provide their citizens with electronic identity cards, driven by the European Directive on Electronic… (More)
Modern e-health systems incorporate different healt hcare providers in one system and provide an electr onic platform to share medical information efficiently. In cross-context communications between… (More)
Long-term archival of signed documents presents specific challenges that do not need to be considered in short-term storage systems. In this paper we present a Secure Long-Term Archival System… (More)