Anonymous credential system promise efficient, ubiquitous access to digital services while preserving user privacy. However, their diffusion is impaired by the lack of efficient re...
Jan Camenisch, Markulf Kohlweiss, Claudio Soriente
—In this paper we describe extensions to the access control industry standards XACML and SAML to enable privacy-preserving and credential-based access control. Rather than assumi...
Claudio Agostino Ardagna, Sabrina De Capitani di V...
We present a model and protocol for anonymous credentials. Rather than using deterrents to ensure non-transferability, our model uses secure hardware with biometric authentication...
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....
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...
This work explores the problem of using biometric data to achieve non-transferability of anonymous credentials; that is, sharing of anonymous credentials, which allow one to anonym...
We construct an efficient delegatable anonymous credentials system. Users can anonymously and unlinkably obtain credentials from any authority, delegate their credentials to other ...
Mira Belenkiy, Jan Camenisch, Melissa Chase, Marku...