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, 2024
Filed:
Sep. 01, 2022
Nxp Usa, Inc., Austin, TX (US);
Christine Van Vredendaal, Veldhoven, NL;
Melissa Azouaoui, Norderstedt, DE;
Tobias Schneider, Graz, AT;
NXP USA, Inc., Austin, TX (US);
Abstract
A device includes a computer readable memory storing a plurality of one-time signature (OTS) keypairs and a processor that is configured to execute a hash function on a message using a first private key of a first OTS keypair of the plurality of OTS keypairs to determine a message signature, execute the hash function to calculate a leaf node value of a hash tree using the first OTS keypair, determine a plurality of authentication path nodes in the hash tree, retrieve, from the computer readable memory, values of a first subset of the plurality of authentication path nodes, calculate values for each node in a second subset of the plurality of authentication path nodes, and store, in the computer readable memory, the values for each node in the authentication path and the value of the leaf node.