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. 16, 2018
Filed:
Oct. 09, 2017
Applicant:
Smartrac Technology Fletcher, Inc., Fletcher, NC (US);
Inventors:
Thomas Tahan, San Diego, CA (US);
Jun Liu, San Diego, CA (US);
Assignee:
SMARTRAC TECHNOLOGY FLETCHER, INC., Fletcher, NC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 12/02 (2009.01); H04L 9/08 (2006.01); H04L 9/06 (2006.01); H04W 12/04 (2009.01); H04L 9/14 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04W 12/02 (2013.01); H04L 9/06 (2013.01); H04L 9/0637 (2013.01); H04L 9/0833 (2013.01); H04L 9/14 (2013.01); H04W 12/04 (2013.01); H04L 63/0435 (2013.01); H04L 63/065 (2013.01); H04L 2209/24 (2013.01); H04L 2209/805 (2013.01);
Abstract
A method for updating a group encryption key association, the method includes receiving an encrypted group key from a second device, where the group key has been encrypted using a device key of a first device. The method further includes, in the first device, using the group key to encrypt an input vector, transmitting the encrypted input vector, encrypting privacy-sensitive information using a device key, an encryption algorithm, and the input vector, and transmitting the encrypted privacy-sensitive information to the second device.