Abstract. First, we introduce the notion of divertibility as a protocol property as opposed to the existing notion as a language property (see Okamoto, Ohta [OO90]). We give a defi...
In this paper we describe new secure personalization schemes using proxy cryptography. We first introduce the context of a large scale smart card application such as an electronic ...
In this work we revisit and formally study the notion of proxy cryptography. Intuitively, various proxy functions allow two cooperating parties F (the “FBI”) and P (the “pro...