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:
Sep. 10, 2024
Filed:
Mar. 25, 2020
Siemens Aktiengesellschaft, Munich, DE;
Hendrik Brockhaus, Unterbiberg, DE;
Jens-Uwe Bußer, Neubiberg, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
Provided is a method for the cryptographically protected provision of a digital certificate for a device, including the following steps: generating a one-time security ID according to a provided secret and at least one item of device-specific information; in a configuration device, transmitting the one-time security ID to the device; and in the device, generating an item of security information according to the one-time security ID; requesting a certificate by a request message, which contains an item of device-specific information and which is cryptographically protected by the security information, from an issuing authority; and at the issuing authority, checking the security information by the device-specific ID and the secret provided to the issuing authority; and transmitting a certificate to the device in the event of a positive check result.