We have implemented an identity provider (IdP), which is defined by the Liberty Alliance on a mobile phone. We propose an authentication method, which uses this personal IdP as a ...
This paper examines a generalization of a two-stage game common on eBay: an ascending-price auction followed by price discrimination (the second chance offer). High bids in the a...
In a group signature [19], any group member can sign on behalf of the group while remaining anonymous, but its identity can be traced in an future dispute investigation. Essentiall...
In countries such as China or Iran where Internet censorship is prevalent, users usually rely on proxies or anonymizers to freely access the web. The obvious difficulty with this a...
An English auction is the most familiar type of auctions. Generally, an electronic auction has mainly two entities, the registration manager(RM) who treats the registration of bidd...