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:
Apr. 08, 2025
Filed:
Feb. 10, 2021
Thales Dis France Sas, Meudon, FR;
Aline Gouget, Issy les Moulineaux, FR;
THALES DIS FRANCE SAS, Meudon, FR;
Abstract
Provided is a method for testing if a candidate data element, belongs to a list of reference data elements, performed by a client device () and comprising the steps of generating an encrypted candidate data element (y') by encrypting said candidate data element (x′) with a leveled fully homomorphic encryption scheme, transmitting said encrypted candidate data element (y′) to a server device (), storing said reference data elements (x) receiving, from said server device, a delta value depending on a product of differences, decrypting said delta value with said leveled fully homomorphic encryption scheme, based on said decrypted delta value, determining whether said candidate data element (x′) belongs to said list of reference data elements (x). Other embodiments disclosed.