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:
Jun. 24, 2014
Filed:
Apr. 25, 2007
Robert Paul Koster, Eindhoven, NL;
Javier Montaner, Eindhoven, NL;
Sorin Marcel Iacob, Enschede, NL;
Najib Koraichi, Schimmert, NL;
Robert Paul Koster, Eindhoven, NL;
Javier Montaner, Eindhoven, NL;
Sorin Marcel Iacob, Enschede, NL;
Najib Koraichi, Schimmert, NL;
Koninkljijke Philips N.V., Eindhoven, NL;
Abstract
In a domain comprising a plurality of devices, the devices in the domain sharing a common domain key, a method of enabling a entity that is not a member of the domain to create an object that can be authenticated and/or decrypted using the common domain key, the method comprising providing to the entity that is not a member of the domain a diversified key that is derived using a one-way function from at least the common domain key for creating authentication data related to said object and/or for encrypting said object, the devices in the domain being configured to authenticate and/or decrypt said object using the diversified key.