상세정보
등록 동적맴버쉽에 대한 제어가능 연결성을 제공하는 그룹서명 기법
- 출원번호
- 13079588 (2011.04.04)
- 공개번호
- 20120084567 (2012.04.05)
- 등록번호
- 8762729 (2014.06.24)
- 출원국
- 미국
- 협약과제
- 10MS1900, 익명성 기반의 u지식정보보호기술 개발, 조현숙
- 초록
- A group signature system includes: a key issuer server for generating a first parameter of a group public key, generating a corresponding master issuing key, and issuing a signature key to a user when a user device joins; an opener server for generating a second parameter of the group public key, and a corresponding master opening key and master linking key; and a linker server for checking whether two valid signatures have been linked by using the master linking key when the two signatures corresponding to a group public key are given. The group signature system further includes: a signature verifying unit for confirming a validity of the given signatures and a signer information confirming unit for confirming a validity of singer confirming information generated by the opener server.
- KSP 제안 키워드
- Controllable linkability, Group Signature, Public Key, Signature key, User device, group public key
- 패밀리
| 구분 | 특허 | 출원국 | KIPRIS |
|---|---|---|---|
| 등록 | 제어가능 연결성을 제공하는 그룹서명 시스템 및 방법 | 대한민국 | KIPRIS |