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. 18, 2025
Filed:
May. 13, 2021
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Nicolai Bartkowiak, Giesen, DE;
VOLKSWAGEN AKTIENGESELLSCHAFT, Wolfsburg, DE;
Abstract
A computer-implemented method is provided for exchanging cryptographic key information between a device and a central point comprises obtaining a cryptographic secret, wherein the cryptographic secret is known to the central point. The method furthermore comprises obtaining a public key of the central point. The method furthermore comprises generating a cryptographic key pair for the device with a private key of the device and a public key of the device. The method furthermore comprises signing the cryptographic secret with the private key of the device. The method furthermore comprises encrypting the cryptographic secret signed with the private key of the device with the public key of the central point. The method furthermore comprises providing the encrypted and signed cryptographic secret, an address of an electronic mailbox of the device, and the public key of the device for the central point via an electronic mailbox of the central point.