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. 03, 2026
Filed:
Mar. 04, 2024
Crypto Lab Inc., Seoul, KR;
Jung Woo Kim, Seoul, KR;
Junbum Shin, Suwon-si, KR;
CRYPTO LAB INC., Seoul, KR;
Abstract
Disclosed is an electronic apparatus. The electronic apparatus includes: a memory storing a plurality of homomorphic encryptions and lookup table information; a communication apparatus configured to perform communication with an external apparatus; and a processor configured to retrieve the homomorphic encryption in response to a requested query, wherein the lookup table information stores data acquired by homomorphically encrypting keyword information and index information that respectively correspond to the plurality of homomorphic encryptions, and the processor is configured to retrieve the homomorphically encrypted index information by using received query information and the lookup table information in case of receiving the query information from the external apparatus, and control the communication apparatus to transmit the retrieved index homomorphic encryption to the electronic apparatus.