발행인 익명성 인증서 시스템을 위한 분산화된 그룹 서명 기법
이현진, 허환조, 윤대근, 문승진, 박종대, 박기성, 우승원, 이창현, 노성기, 예병호
- 11750404 (2023.09.05)
19HH6500, 블록체인을 활용한 분산형 자기주권 신원정보관리 기술 개발,
- A decentralized group signature method for an issuer-anonymized credential system includes (a) an initial system setup operation of defining elements of a group signature method and information that is generated and shared by each group member, (b) an initial group member setup operation, (c) a group member participation operation of adding a new group member to a group, (d) a group signature operation of putting a group signature on a specific message, (e) an operation of verifying the group signature, (f) an operation of removing anonymity from a group signature for a specific group member with agreement of group members, and (g) an operation of revoking a specific group member with agreement of the group members. Exclusive authority of a group manager is distributed to the group members.
- KSP 제안 키워드
- Group Signature, Signature scheme, credential system, group manager, group members