Hidden Issuer Anonymous Credential

Identity Management Systems (IMS) allow users to prove characteristics about themselves multiple service providers. IMS evolved from impractical, site-by-site authentication, versatile, privacyenhancing Self Sovereign (SSI) Frameworks. SSI frameworks often use Anonymous Credential schemes provide user privacy, and more precisely unlinkability between uses of these credentials. However, imply the disclosure identity Issuer a given credential any provider. This can lead information leaks. We deal with this problem by introducing new scheme that allows hide credential, while being able convince providers they trust in absence trusted setup. secure under Computational Diffie Hellman assumption, Decisional Random Oracle Model. show is efficient enough be used laptops, integrated into or other IMS.