Patents by Inventor Jinhyuck Jeong

Jinhyuck Jeong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for generating secret key, apparatus and method for generating evaluation key
    Patent number: 11930104
    Abstract: In a method of generating a secret key according to an embodiment, a share of each of a user and a plurality of other users for a secret key of the user are generated, the share of each of the plurality of other users is provided to a user terminal of each of the plurality of other users, a share of the user for a secret key of each of the plurality of other users is received from the user terminal of each of the plurality of other users, and a new secret key of the user is generated 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.
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: March 12, 2024
    Assignees: SAMSUNG SDS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Eunkyung Kim, Hyo Jin Yoon, Jung Hee Cheon, Jinhyuck Jeong
  • APPARATUS AND METHOD FOR GENERATING SECRET KEY, APPARATUS AND METHOD FOR GENERATING EVALUATION KEY
    Publication number: 20230239143
    Abstract: In a method of generating a secret key according to an embodiment, a share of each of a user and a plurality of other users for a secret key of the user are generated, the share of each of the plurality of other users is provided to a user terminal of each of the plurality of other users, a share of the user for a secret key of each of the plurality of other users is received from the user terminal of each of the plurality of other users, and a new secret key of the user is generated 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.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 27, 2023
    Inventors: Eunkyung Kim, Hyo jin Yoon, Jung Hee CHEON, Jinhyuck JEONG
  • Apparatus and method for generating secret key, apparatus and method for generating evaluation key
    Patent number: 11646877
    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.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: May 9, 2023
    Assignees: SAMSUNG SDS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Eunkyung Kim, Hyo Jin Yoon, Jung Hee Cheon, Jinhyuck Jeong
  • Apparatus for performing threshold design on secret key and method thereof
    Patent number: 11201735
    Abstract: An encryption method is disclosed. The encryption method includes calculating a secret key from a ring as a set closed for addition and multiplication defined between elements, generating a plurality of partial secret keys using the calculated secret key and a random matrix, and distributing the plurality of generated partial secret keys.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: December 14, 2021
    Assignee: Seoul National University R&DB Foundation
    Inventors: Jung Hee Cheon, Jinhyuck Jeong, Donggeon Yhee, Wonhee Cho
  • ELECTRONIC DEVICE, SERVER, AND CONTROL METHOD THEREFOR
    Publication number: 20200389303
    Abstract: An electronic device is disclosed.
    Type: Application
    Filed: January 11, 2019
    Publication date: December 10, 2020
    Inventors: Jinsu KIM, Jung Hee CHEON, Junbum SHIN, Jinhyuck JEONG, Heewon CHUNG
  • APPARATUS AND METHOD FOR GENERATING SECRET KEY, APPARATUS AND METHOD FOR GENERATING EVALUATION KEY
    Publication number: 20200366467
    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.
    Type: Application
    Filed: November 14, 2019
    Publication date: November 19, 2020
    Inventors: Eunkyung Kim, Hyo jin Yoon, Jung Hee CHEON, Jinhyuck JEONG
  • APPARATUS FOR PERFORMING THRESHOLD DESIGN ON SECRET KEY AND METHOD THEREOF
    Publication number: 20200266974
    Abstract: An encryption method is disclosed. The encryption method includes calculating a secret key from a ring as a set closed for addition and multiplication defined between elements, generating a plurality of partial secret keys using the calculated secret key and a random matrix, and distributing the plurality of generated partial secret keys.
    Type: Application
    Filed: February 14, 2020
    Publication date: August 20, 2020
    Applicants: Crypto Lab Inc., Seoul National University R&DB Foundation
    Inventors: Jung Hee Cheon, Jinhyuck Jeong, Donggeon Yhee, Wonhee Cho