Setting up security associations between end-user devices is a challenging task when it needs to be done by ordinary users. The increasing popularity of powerful personal electroni...
We present a cryptographic framework to achieve access control, privacy of social relations, secrecy of resources, and anonymity of users in social networks. The main idea is to u...
Emerging economic P2P applications share the common need for an efficient, secure payment mechanism. In this paper, we present PPay, a micropayment system that exploits unique cha...
Trust negotiation supports authentication and access control across multiple security domains by allowing parties to use non-forgeable digital credentials to establish trust. By t...
Anna Cinzia Squicciarini, Alberto Trombetta, Elisa...
This paper has three goals. (1) We try to debunk several held misconceptions about secure deletion: that encryption is an ideal solution for everybody, that existing data-overwrit...