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. 09, 2024
Filed:
Mar. 31, 2020
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3271 (2013.01); H04L 9/0825 (2013.01); H04L 9/088 (2013.01); H04L 9/321 (2013.01); H04L 9/3265 (2013.01);
Abstract
Methods and devices are provided for establishing secure communication between the devices without relying on local time information. According to the methods, a client device, which is going to establish the secure communication to a server device, is provided by the server device with a proof of its integrity. The proof of integrity of the server device is issued by a trusted third party (TTP) to which both devices have a trust relation.