DANSK DS/ISO/IEC 20009-2 PDF

This part of IS/IEC20009 specifies anonymous entity authentication mechanisms based on signatures using a group public key in which a verifier verifies a group signature scheme to authenticate the entity with which it is communicating, without knowing this entity's identity. This part of ISO/IEC 20009 provides: - a general description of an anonymous entity authentication mechanism based on signatures using a group public key; -a variety of mechanisms of this type. This part of ISO/IEC 20009 describes: - the group membership issuing processes; - anonymous authentication mechanisms without an online Trusted Third Party (TTP); - anonymous authentication mechanisms involving an online TTP. Furthermore, this part of ISO/IEC 20009 also specifies: - the group membership opening process (optional); - the group signature linking process (optional).