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:
Feb. 10, 2026
Filed:
May. 10, 2024
Infineon Technologies Ag, Neubiberg, DE;
Alexander Zeh, Munich, DE;
Thomas Liebetrau, Unterhaching, DE;
Infineon Technologies AG, Neubiberg, DE;
Abstract
The described techniques address issues related to secured communications via asymmetrical data communications, e.g. when one of the secured channels has a higher-bandwidth than the other secured channel. The techniques facilitate the detection of an impending expiration of a cryptographic key used for secured communications prior to its actual expiration and, in response, updating the cryptographic key for that secured channel. The updated cryptographic key for one secured channel may then be transmitted via the other secured channel as part of secured (e.g. encrypted) data communications. The techniques also allow for the use of different cryptographic algorithms per secured channel, different key lengths for the cryptographic keys, and/or different software or hardware solutions to be implemented per secured channel.