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:
Mar. 17, 2020
Filed:
Nov. 29, 2017
GM Global Technology Operations Llc, Detroit, MI (US);
Brian E. McColgan, LaSalle, CA;
Ramie Phillips, III, Rochester Hills, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A method and system of establishing a short-range wireless communications connection between a host device and a client device, wherein the host device includes a host certificate and a host key, the method including the steps of: transmitting an advertisement using a short-range wireless communications (SRWC) protocol from the host device to the client device; receiving a connection request message from the client device; receiving a client device verification message, wherein the client device verification message includes an encrypted client certificate, wherein the encrypted client certificate is a certificate that is encrypted using a client key; decrypting the encrypted certificate using the host key to obtain the client certificate; verifying the client certificate using the host certificate; generating a shared secret; encrypting the shared secret using the host key; and sending the encrypted shared secret to the client device.