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Registered DECENTRALIZED GROUP SIGNATURE SCHEME FOR CREDENTIAL SYSTEMS WITH ISSUER ANONYMIZATION
- Inventors
- Lee Hyun Jin, Heo Hwanjo, Daegeun Yoon, Park Kisung, Moon Sung Jin, Seungwon Woo, Changhyun Lee, Yae Byung Ho, Noh Sung Kee, Park Jong Dae
- Application No.
- 17088998 (2020.11.04)
- Publication No.
- 20210135879 (2021.05.06)
- Registration No.
- 11750404 (2023.09.05)
- Country
- UNITED STATES
- Project Code
- 19HH6500, Development of Decentralized Self Sovereign Identity Management Technology using Blockchain, Lee Hyun Jin
- Abstract
- 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 Keywords
- Group Signature, Signature scheme, credential system, group manager, group members
- Family
| Status | Patent | Country | KIPRIS |
|---|---|---|---|
| Registered | 발행인 익명성 인증서 시스템을 위한 분산화된 그룹 서명 방법 | KOREA | KIPRIS |