We formally specify a payment protocol described in [Vogt et al., 2001]. This protocol is intended for fair exchange of time-sensitive data. Here the µCRL language is used to form...
We introduce the concept of a group principal and present a number of different classes of group principals, including threshold-group-principals. These appear to naturally usefu...
: The new Gemplus smart card is based on the Java technology, embedding a virtual machine. The security policy uses mechanisms that are based on Java properties. This language prov...
Paraconsistent logic is the study of contradictory yet non-trivial theories. One of the best-known approaches to designing useful paraconsistent logics is da Costa’s approach, w...
The Aspect Oriented Programming is a new programming paradigm that provides a means of encapsulation of crosscuting concerns in software. This paper describes a formal semantics o...