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:
Mar. 24, 2026
Filed:
Apr. 16, 2024
Crypto Lab Inc., Seoul, KR;
CRYPTO LAB INC., Seoul, KR;
Abstract
Disclosed is an electronic apparatus. The electronic apparatus includes a memory configured to store at least one instruction and store a plurality of categorical data whose values are expressed as a plurality of classes for one category, and a processor configured to execute the at least one instruction to generate the plurality of categorical data into one homomorphic encrypted message, in which the processor is configured to generate a categorical column in which homomorphically encrypted data for each of the plurality of categorical data is located in a plurality of slots, generate mask columns corresponding to each of the plurality of classes to correspond to the number of the plurality of classes, and generate the homomorphic encrypted message by combining the categorical column and the plurality of mask columns.
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