Abstract. This paper presents an access control model for programming applications in which the access control to resources can employ user interaction to obtain the necessary perm...
Abstract. At FC'05, Chen et al. introduced an elegant privacy protecting coupon (PPC) system, CESSS05 [13], in which users can purchase multi-coupons and redeem them unlinkabl...
Abstract. We introduce the notion of tamper-evidence for mix networks in order to defend against attacks aimed at covertly leaking secret information held by corrupted mix servers....
Abstract. Circus is a combination of Z and CSP that supports the development of state-rich reactive systems based on refinement. In this paper we present JCircus, a tool that autom...
Abstract. Continuous-time Markov decision process are an important variant of labelled transition systems having nondeterminism through labels and stochasticity through exponential...