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:
Apr. 12, 2022
Filed:
Dec. 28, 2017
Siemens Aktiengesellschaft, Munich, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A programmable hardware security module, a method for securing a private key of a cryptographic key pair, and a method for securely providing a private key of a cryptographic key pair on a programmable hardware security module, wherein with the described devices and methods, a decentralised PKI is built, via which device keys and device certificates can be generated and target devices can be provided securely, where in this regard, the key-pair-specific transport key plays a central role in protecting the generated private key that is to be transferred, and where this is linked to the particular key pair intended for a target device via a key derivation from a master key utilizing a key-pair-specific derivation parameter.