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:
Dec. 26, 2023
Filed:
Jan. 11, 2023
Applicant:
Nagravision Sàrl, Cheseaux-sur-Lausanne, CH;
Inventors:
Didier Hunacek, Cheseaux-sur-Lausanne, CH;
Marco Macchetti, Cheseaux-sur-Lausanne, CH;
Jerome Perrine, Cheseaux-sur-Lausanne, CH;
Assignee:
Nagravision Sàrl, Cheseaux-sur-Lausanne, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/72 (2013.01); G06F 1/3234 (2019.01); G06F 21/60 (2013.01); G06F 21/81 (2013.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
G06F 21/72 (2013.01); G06F 1/3275 (2013.01); G06F 21/602 (2013.01); G06F 21/81 (2013.01); H04L 9/0841 (2013.01);
Abstract
The disclosure relates to a method for enabling the secure functions of a chipset () and especially the encryption of the content of the secure memory () when the device goes into low power mode. The content of the secure memory () may be encrypted and stored in an external memory () during low power mode of the chipset ().