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:
Mar. 03, 2020
Filed:
Oct. 11, 2016
Volkswagen Ag, Wolfsburg, DE;
Alexander Tschache, Wolfsburg, DE;
Timo Winkelvos, Braunschweig, DE;
Volkswagen AG, , DE;
Abstract
A method for asymmetrical key derivation by a signing entity for a terminal including introducing identical cryptographic material into the signing entity and into the terminal; deriving in each case a private key from the cryptographic material in the signing entity and in the terminal; calculating in each case a public key from the private key in the signing entity and in the terminal; generating a signature and/or a signed public key in the signing entity; transferring the signature and/or the signed public key from the signing entity into the terminal; and appending the signature of the signing entity to the public key in the terminal.