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. 22, 2020
Filed:
Sep. 24, 2018
Applicant:
Nxp B.v., Eindhoven, NL;
Inventors:
Joppe Willem Bos, Wijgmaal, BE;
Rudi Verslegers, Genk, BE;
Wilhelmus Petrus Adrianus Johannus Michiels, Reusel, NL;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 21/45 (2013.01);
U.S. Cl.
CPC ...
H04L 9/3226 (2013.01); G06F 21/45 (2013.01); H04L 9/3236 (2013.01); H04L 2209/16 (2013.01);
Abstract
A white-box system for authenticating a user-supplied password, including: a password database including a salt value and an authentication value for each user; a white-box implementation of a symmetric cipher configured to produce an encrypted value by encrypting the user-supplied password using the salt value associated with the user as an encoded secret key; and a comparator configured to compare the encrypted value with the authentication value associated with the user to verify the user-supplied password.