We present FairplayMP (for "Fairplay Multi-Party"), a system for secure multi-party computation. Secure computation is one of the great achievements of modern cryptograp...
In our research, we have been concerned with the question of how to make relevant features of security situations visible to users in order to allow them to make informed decision...
AAIs – Infrastructures for Authentication and Authorisation provide services for service providers on the Internet. Especially if combined with an attribute infrastructure these...
Abstract. In this paper, we first demonstrate a gap between the security of verifiably committed signatures in the two-party setting and the security of verifiably committed signat...
— We consider a scenario where an application service provider (ASP) hires a network service provider (NSP) to deliver its service and pays for the employment of the NSP. We stud...