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.

Date of Patent:
Jul. 09, 2024

Filed:

Dec. 23, 2020
Applicant:

Thales Dis France Sas, Meudon, FR;

Inventors:

Guillaume Phan, Paris, FR;

Emmanuel Lepavec, Paris, FR;

Nicolas Vienne, Orsay, FR;

Olivier Poncelet, Rueil Malmaison, FR;

Evangelos Spyropoulos, Champigny sur Marne, FR;

Assignee:

THALES DIS FRANCE SAS, Meudon, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3265 (2013.01); H04L 9/0825 (2013.01); H04L 9/3271 (2013.01);
Abstract

Provided is a method for securely diversifying a generic application stored in a secure processor of a terminal, said method comprising: Generating at the request of a manager application hosted in an application processor of said terminal, at the level of a distant server, a server challenge; Sending said server challenge to said application; Generating a first message at said application, said first message being function of said server challenge, an application challenge and an unique identifier of said application; Sending said first message to a Root-Of-Trust service hosted in a secure processor of said terminal, said Root-of-Trust service generating an attestation of said first message, said attestation guaranteeing that said first message has not been modified and originates from said secure processor; and Transmitting said attestation of said first message to said distant server in an enablement request message.


Find Patent Forward Citations

Loading…