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. 26, 2024
Filed:
Nov. 13, 2019
Thales Dis France Sas, Meudon, FR;
THALES DIS FRANCE SAS, Meudon, FR;
Abstract
A method for authenticating by a network server a communication apparatus, the communication apparatus contains a tamper resistant area adapted to memorize a first secret, by receiving from the communication apparatus a request message including a subscriber identifier; providing, by consulting a database accessible by the network server, a device identifier associated to the received subscriber identifier allowing to identify the communication apparatus; identifying in a secure distributed ledger a record published by a manufacturer of at least a portion of the communication apparatus, the record including a second secret attributed to the identified communication apparatus; generating a challenge message including a random number and sending it to the communication apparatus for it to generate a first result; receiving from the communication apparatus a response message including the first result, the communication apparatus being authenticated by the network server if the first result is equal to a second result.