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. 09, 2018
Filed:
Jul. 30, 2015
Applicant:
Nxp B.v., Eindhoven, NL;
Inventors:
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/00 (2006.01); H04L 9/06 (2006.01); G06F 21/72 (2013.01); G06F 21/14 (2013.01);
U.S. Cl.
CPC ...
H04L 9/002 (2013.01); G06F 21/14 (2013.01); G06F 21/72 (2013.01); H04L 9/0625 (2013.01); H04L 9/0631 (2013.01); G06F 2221/0748 (2013.01); H04L 2209/046 (2013.01); H04L 2209/16 (2013.01);
Abstract
A method for a keyed cryptographic operation by a cryptographic system mapping an input message to an output message, including: receiving input data for the keyed cryptographic operation; calculating a first mask value based upon the input data; and applying the first mask value to a first intermediate value of the keyed cryptographic operation.