In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes. Currently, the only method for enforcing such...
This paper presents an authentication scheme and an access control scheme for JPEG2000 image codestreams based on hash chains. Both schemes are fully compatible with the core part...
This paper presents the design, implementationand evaluation of Mingle, a secure distributed search system. Each participatinghost runs a Mingle server, which maintains an inverte...
Yinglian Xie, David R. O'Hallaron, Michael K. Reit...
The first generation of European e-passports will be issued in 2006. We discuss how borders are crossed regarding the security and privacy erosion of the proposed schemes, and show...
A botnet is a collection of bots, each generally running on a compromised system and responding to commands over a “commandand-control” overlay network. We investigate observab...