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:
Oct. 23, 2018
Filed:
Mar. 22, 2012
Henricus Hubertus Van Den Berg, Nijmegen, NL;
Thierry Gouraud, Brussels, BE;
Henricus Hubertus van den Berg, Nijmegen, NL;
Thierry Gouraud, Brussels, BE;
NXP B.V., Eindhoven, NL;
Abstract
Provisioning an integrated circuit with confidential data, by receiving in the integrated circuit encrypted confidential data, the encrypted confidential data having been encrypted with a transport key, deriving in the integrated circuit the transport key by applying a key derivation function to a customer identifier, the customer identifier having been previously stored in the integrated circuit, decrypting in the integrated circuit the encrypted confidential data with the transport key to obtain decrypted confidential data, deriving in the integrated circuit a product key by applying a key derivation function to an integrated circuit identifier, the integrated circuit identifier having been previously stored in the integrated circuit, encrypting in the integrated circuit the decrypted confidential data with the product key to obtain re-encrypted confidential data, and storing the re-encrypted confidential data in a confidential data memory of the integrated circuit.