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. 21, 2021
Filed:
Jul. 31, 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 9/08 (2006.01); H04L 9/00 (2006.01); H04L 9/06 (2006.01); H04L 9/14 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0861 (2013.01); H04L 9/008 (2013.01); H04L 9/0618 (2013.01); H04L 9/14 (2013.01); H04L 9/3242 (2013.01); H04L 2209/16 (2013.01);
Abstract
Various embodiments relate to a method of generating a shared secret for use in a symmetric cipher, including: receiving, by a processor, an encoded key Enc(K) and a white-box implementation of the symmetric cipher, where the encoded key Enc(K) is used in the white-box implementation; selecting, by the processor, homomorphic functions ⊙ and ⊗ and the values cand csuch that Enc(K)⊙c=Enc(K⊗c); and transmitting, by the processor, ⊗ and cto another device.