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:
Feb. 10, 2026
Filed:
Jan. 19, 2021
Applicant:
Crypto Lab Inc., Seoul, KR;
Inventors:
Younho Lee, Seoul, KR;
Seong-Min Hong, Yongin-si, KR;
Assignee:
CRYPTO LAB INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/30 (2006.01); G06F 17/14 (2006.01); G06F 17/16 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3093 (2013.01); G06F 17/141 (2013.01); G06F 17/16 (2013.01);
Abstract
Disclosed is an operation device. The operation device includes a memory storing at least one instruction; and a processor configured to execute the at least one instruction, and the processor, by executing the at least one instruction, may perform encoding or decoding for an approximate homomorphic ciphertext using a predetermined matrix having only a half of an element of a matrix corresponding to a canonical embedding function.