The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 2021
Filed:
Feb. 14, 2020
Applicants:
Crypto Lab Inc., Seoul, KR;
Seoul National University R&db Foundation, Seoul, KR;
Inventors:
Jung Hee Cheon, Seoul, KR;
Jinhyuck Jeong, Seoul, KR;
Donggeon Yhee, Jeongeup-si, KR;
Wonhee Cho, Seoul, KR;
Assignee:
Seoul National University R&DB Foundation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/085 (2013.01); H04L 9/0618 (2013.01); H04L 9/0819 (2013.01); H04L 9/0869 (2013.01);
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.