ISO IEC 20009-3:2022 pdf download – Information security — Anonymous entity authentication — Part 3: Mechanisms based on blind signatures. Entities of different types can be involved in the mechanism specified in this document, as follows. — Claimant: an entity to be authenticated in such a way that the claimant’s identity is not revealed. In this document, a claimant plays the role of requestor in a blind digital signature scheme, as specified in ISO/IEC 18370-2:2016. — Verifier: an entity that verifies the validity of a claimant’s credential and which does not learn the claimant’s identity. — Issuer: an entity issuing...