How can Alice trust computation occurring at Bob's computer? Since it exists and is becoming ubiquitous, the current-generation TCPA/TCG hardware might enable a solution. Whe...
John Marchesini, Sean W. Smith, Omen Wild, Joshua ...
We present Aardvark, a social search engine. With Aardvark, users ask a question, either by instant message, email, web input, text message, or voice. Aardvark then routes the que...
In this paper, we present the design of foundation PKI (fPKI), a PKI system constructed on an overlay network for an open source community. fPKI can provide an alternative PKI sys...
We propose Perseus, a personalized reputation system. In Perseus, reputations comprise of three aspects: how much I personally trust another individual, how trustworthy others thi...
Policies are pervasive in web applications. They play crucial roles in enhancing security, privacy and usability of distributed services. There has been extensive research in the a...
Piero A. Bonatti, Claudiu Duma, Norbert E. Fuchs, ...