Grid technologies are emerging as the next generation of distributed computing, allowing the aggregation of resources that are geographically distributed across different location...
We discuss the availability questions that arise when digital time stamps are used for preserving the evidentiary value of electronic documents. We analyze the time-stamping protoc...
In this paper we present a complete reference framework for the operation of Certification Service Provider as an organisation. The objective is to form an intermediate reference m...
Dimitrios Lekkas, Stefanos Gritzalis, Sokratis K. ...
Smartcards can be seen as service providing entities that implement a secure, tamper-proof storage and offer computational resources which make them ideally suited for a variety o...
Distributed Denial-of-Service attacks are still a big threat to the Internet. Several proposals for coping with the attacks have been made in the recent past, but neither of them ...