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:
May. 24, 2022
Filed:
Feb. 19, 2020
Applicant:
Coretigo Ltd., Netanya, IL;
Inventors:
Assignee:
Coretigo Ltd., Netanya, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 12/0433 (2021.01); H04B 1/713 (2011.01); H04L 9/32 (2006.01); H04L 69/323 (2022.01); H04L 9/08 (2006.01); H04L 9/06 (2006.01); H04L 9/14 (2006.01); H04L 12/18 (2006.01); H04L 29/06 (2006.01); H04W 12/03 (2021.01); H04W 12/037 (2021.01); H04W 12/50 (2021.01);
U.S. Cl.
CPC ...
H04W 12/0433 (2021.01); H04B 1/713 (2013.01); H04L 9/0618 (2013.01); H04L 9/0643 (2013.01); H04L 9/08 (2013.01); H04L 9/085 (2013.01); H04L 9/0869 (2013.01); H04L 9/0894 (2013.01); H04L 9/14 (2013.01); H04L 9/3239 (2013.01); H04L 9/3242 (2013.01); H04L 12/189 (2013.01); H04L 63/0435 (2013.01); H04L 69/323 (2013.01); H04W 12/03 (2021.01); H04W 12/037 (2021.01); H04W 12/50 (2021.01); H04L 2209/80 (2013.01);
Abstract
A system and method for secure communications between a master and a plurality of devices in a wireless communications network are provided. The method includes encrypting, on said master, downlink plaintext for multicast transmission to a plurality of devices over a wireless communications link utilizing a symmetric key encryption algorithm in accordance with a first counter value and a shared symmetric session key; and decrypting, on one of said devices, multicast downlink cyphertext received from said master over said wireless communications link utilizing a symmetric key decryption algorithm in accordance with a second counter value and said shared symmetric session key.