Credentials are an indispensable means for service access control in electronic commerce. However, regular credentials such as X.509 certificates and SPKI/SDSI certificates do no...
Anonymous credentials are an important privacy-enhancing technique that allows users to convince a service provider of their legitimacy for service accesses in an anonymous manner....
This paper proposes a formal model of the Bellare-Rogaway type [1] that enables one to prove the security of an anonymous credential system in a complexity theoretic framework. Th...
Abstract. Anonymous credentials are widely used to certify properties of a credential owner or to support the owner to demand valuable services, while hiding the user’s identity ...