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:
Oct. 14, 2025
Filed:
Jun. 20, 2023
Applicant:
Nxp B.v., Eindhoven, NL;
Inventors:
Christine Van Vredendaal, Veldhoven, NL;
Tobias Schneider, Graz, AT;
Melissa Azouaoui, Norderstedt, DE;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3247 (2013.01); H04L 9/0869 (2013.01); H04L 9/3236 (2013.01);
Abstract
A secure processing system configured to produce a hash based digital signature of a message, including: random number generator (RNG); a monotonic counter device configured to produce a monotonically increasing counter value; a hash accelerator configured to produce a hash of the message based upon a random number from the RNG and the counter value; and a run time integrity check (RTIC) device configured to check the integrity of the operation of the hash accelerator based upon the counter value.