US 12,081,981 B2
Secured seamless authentication for bluetooth just works pairing
Jibin Kotanchery, Karnataka (IN)
Assigned to HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED, Stamford, CT (US)
Filed by Harman International Industries, Incorporated, Stamford, CT (US)
Filed on May 12, 2022, as Appl. No. 17/663,167.
Claims priority of application No. 202141021398 (IN), filed on May 12, 2021; and application No. 202141032940 (IN), filed on Jul. 22, 2021.
Prior Publication US 2022/0369109 A1, Nov. 17, 2022
Int. Cl. H04M 1/66 (2006.01); H04M 1/68 (2006.01); H04M 3/16 (2006.01); H04W 12/041 (2021.01); H04W 12/069 (2021.01); H04W 12/50 (2021.01); H04W 4/80 (2018.01)
CPC H04W 12/069 (2021.01) [H04W 12/041 (2021.01); H04W 12/50 (2021.01); H04W 4/80 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
transmitting an authentication key from a mobile device to an automotive head unit of a vehicle over a securely-paired wireless communication link;
providing the authentication key from the automotive head unit to a connectivity extension unit of the vehicle over a vehicular communication link;
transmitting the authentication key from the mobile device to the connectivity extension unit over a non-securely-paired wireless communication link;
at the connectivity extension unit, if the authentication key as provided by the automotive head unit matches the authentication key as transmitted by the mobile device, performing a predetermined transformation on the authentication key to generate a first transformed key;
transmitting the first transformed key from the connectivity extension unit to the mobile device over the non-securely-paired wireless communication link;
at the mobile device, performing the predetermined transformation on the authentication key to generate a second transformed key; and
at the mobile device, if the first transformed key matches the second transformed key, verifying a security of the non-securely-paired wireless communication link.