We start with the usual paradigm in electronic commerce: a consumer who wants to buy from a merchant. However, both parties wish to enjoy maximal privacy. In addition to remaining...
Abstract. Zero-knowledge proofs with witness elimination are protocols that enable a prover to demonstrate knowledge of a witness to the verifier that accepts the interaction prov...
Abstract—In the wake of the success of peer-to-peer networking, privacy has arisen as a big concern. Even though steps have been taken in order to attain an anonymous communicati...
Joan Arnedo-Moreno, Jordi Herrera-Joancomart&iacut...
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...
In this paper we construct a practical group blind signature scheme. Our scheme combines the already existing notions of blind signatures and group signatures. It is an extension o...