Invention Grant
- Patent Title: Apparatus and method for generating secret key, apparatus and method for generating evaluation key
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Application No.: US16683974Application Date: 2019-11-14
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Publication No.: US11646877B2Publication Date: 2023-05-09
- Inventor: Eunkyung Kim , Hyo Jin Yoon , Jung Hee Cheon , Jinhyuck Jeong
- Applicant: SAMSUNG SDS CO., LTD. , SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
- Applicant Address: KR Seoul
- Assignee: SAMSUNG SDS CO., LTD.,SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
- Current Assignee: SAMSUNG SDS CO., LTD.,SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
- Current Assignee Address: KR Seoul; KR Seoul
- Agency: The PL Law Group, PLLC
- Priority: KR 20190056601 2019.05.14
- Main IPC: H04L9/08
- IPC: H04L9/08 ; H04L9/00
Abstract:
A method of generating a secret key according to one embodiment includes generating a share of each of a user and a plurality of other users for a secret key of the user, providing the share of each of the plurality of other users to a user terminal of each of the plurality of other users, receiving a share of the user for a secret key of each of the plurality of other users from the user terminal of each of the plurality of other users, and generating a new secret key of the user using the share of the user for the secret key of the user and the shares of the user for the secret key of each of the plurality of other users.
Information query
