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:
Aug. 08, 2017
Filed:
Jun. 10, 2015
Vodafone Gmbh, Düsseldorf, DE;
Marnix Vlot, Düsseldorf, DE;
Christoph Schaaf, Düsseldorf, DE;
Vodafonic GmbH, , DE;
Abstract
The invention relates to a device for validating data using a root certificate, wherein a plurality of root certificates is stored in the device, each root certificate having a rank. The device is configured to receive revocation information indicating at least one revoked root certificate, to validate the revocation information using one of the root certificates stored in the device and to block the use of the revoked root certificate if the revocation information is successfully validated using a root certificate having a higher rank than the revoked root certificate. Moreover, the invention relates to a method for revoking a root certificate stored in a device.