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:
Dec. 10, 2019
Filed:
Aug. 14, 2017
Nxp B.v., Eindhoven, NL;
Peter Doliwa, Hamburg, DE;
NXP B.V., Eindhoven, NL;
Abstract
A method is provided for generating a key pair and certificate for an IoT device. An integrated circuit (IC) is manufactured by a first entity for use in an internet of things (IoT) device. The IC is provided to a second entity for manufacturing the IoT device using the IC, the IC having a unique identifier (UID) and secret key derivation data (KDD). A secure memory is provided to a third entity by the first entity. The secure memory has secret key derivation parameters configured to enable the generation of a product specific parameter (PSP). The secure memory enables the third entity to prepare a signed public key certificate using the UID assigned to the IC of each device. The public key certificate is for verifying the authenticity of the device. In addition, the PSP enables the IC inside the device to generate a private key corresponding to a public key in the signed public key certificate.