This paper promotes accountability as a central design goal for dependable networked systems. We define three properties for accountable systems that extend beyond the basic secu...
Friedman and Halpern have introduced the inference by plausibility structures, which provides semantics for various default logics. This is a generalization of known inferences, su...
Abstract. We present a general method to prove security properties of cryptographic protocols against active adversaries, when the messages exchanged by the honest parties are arbi...
Important properties of many protocols are liveness or availability, i.e., that something good happens now and then. In asynchronous scenarios these properties obviously depend on...
Michael Backes, Birgit Pfitzmann, Michael Steiner,...
We investigate the all-or-nothing encryption paradigm which was introduced by Rivest as a new mode of operation for block ciphers. The paradigm involves composing an all-or-nothing...