Onion routing is a scheme for anonymous communication that is designed for practical use. Until now, however, it has had no formal model and therefore no rigorous analysis of its a...
A fair blind signature scheme allows the trustee to revoke blindness so that it provides authenticity and anonymity to honest users while preventing malicious users from abusing th...
Abstract. This paper shows some efficient and provably-secure convertible undeniable signature schemes (with both selective conversion and all conversion), in the standard model an...
—We formalise in a theorem prover the notion of provable anonymity proposed by Garcia et al. Our formalization relies on inductive definitions of message distinguish ability and...