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:
Jul. 21, 2023
Crypto Lab Inc., Seoul, KR;
CRYPTO LAB INC., Seoul, KR;
Abstract
An electronic apparatus for generating a homomorphic encrypted message includes: a processor configured to generate a mask homomorphic encrypted message by homomorphically comparing the homomorphic encrypted message with the index data in case that a calculation command of the predetermined function for the homomorphic encrypted message is input, generate an intermediate homomorphic encrypted message by homomorphically multiplying the generated mask homomorphic encrypted message by the function result data, generate a function-result encrypted message for the homomorphic encrypted message by computing sum of values in a plurality of slots of the intermediate homomorphic encrypted message.
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