Abstract. Conditional e-cash or conditional e-payments have been introduced by Shi et al. as the means for enabling electronic payments to be based on the outcome of a certain cond...
Regular cash systems provide both the anonymity of users and the transferability of coins. In this paper, we study the anonymity properties of transferable e-cash. We define two n...
Abstract. One of the main challenges in RFIDs is the design of privacypreserving authentication protocols. Indeed, such protocols should not only allow legitimate readers to authen...
We present generic constructions of stateful public key encryption (StPE). We build several new StPE schemes and explain existing ones using our generic constructions. Of the new ...
Abstract. What are the real security issues for a wireless sensor network (WSN) intended to monitor the structural health of a suspension bridge, a subway tunnel or a water distrib...