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:
Jan. 20, 2026
Filed:
Aug. 15, 2024
Crypto Lab Inc., Seoul, KR;
Sohee Kim, Incheon, KR;
Gun Jun Lee, Incheon, KR;
Sung Hee Hong, Gwangmyeong-si, KR;
Jeongdae Hong, Seoul, KR;
Sulgi Kim, Seoul, KR;
Garam Lee, Seoul, KR;
CRYPTO LAB INC., Seoul, KR;
Abstract
Disclosed is a server device. The device includes: a communicator; a memory; and a processor. Here, a processor is configured to transmit user interface (UI) data including a plurality of questions to an external device through the communicator, based on the plurality of answers corresponding to the plurality of questions are received from the external device store a plurality of answers in the memory, generate a secret sentence used for generating a password based on the plurality of answers, and transmit the generated secret sentence to the external device through the communicator. The plurality of answers include a homomorphic ciphertext that is homomorphically encrypted by the external device. Accordingly, the password may be generated while maintaining its security.