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:
Jul. 28, 2026
Filed:
Aug. 29, 2024
Crypto Lab Inc., Seoul, KR;
Hosik Choi, Yongin-si, KR;
Minje Park, Seoul, KR;
Jaeseon Kim, Seoul, KR;
Sungchul Shin, Seoul, KR;
Sulgi Kim, Seoul, KR;
CRYPTO LAB INC., Seoul, KR;
Abstract
Provided are an electronic device for estimating an approximate rank of a homomorphic ciphertext and a control method thereof. The electronic device includes: a communication device; a memory storing at least one instruction; and a processor connected to the memory and configured to control the electronic device, wherein the processor obtains N homomorphic ciphertexts; generates K knots for calculating approximate ranks, K being a number smaller than N; and calculates approximate ranks of the N homomorphic ciphertexts based on probabilities that the N homomorphic ciphertexts exist between the K knots.