US 12,406,050 B2
Method and system for diagnostic services with remote attestation
Ameer Kashani, Southfield, MI (US); Carlos Mora-Golding, Southfield, MI (US); and Tomonori Ikuse, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Jan. 2, 2024, as Appl. No. 18/402,354.
Prior Publication US 2025/0217469 A1, Jul. 3, 2025
Int. Cl. G06F 21/44 (2013.01)
CPC G06F 21/44 (2013.01) 20 Claims
OG exemplary drawing
 
1. A method of authenticating a host electronic device in communication with a vehicle, the method including:
receiving, from the host electronic device, credential information to authenticate an identification of the host electronic device to establish a diagnostic session, prior to allowing access to secure data to control one or more functions of a vehicle, wherein the credential information includes a first attestation profile and the first attestation profile defines at least one of one or more software components and one or more parameters associated with the one or more software components to be used to provide an attestation of a client device of the vehicle in communication with the host electronic device to maintain the diagnostic session;
verifying whether a received measurement of the at least one of the one or more software components and the one or more parameters of the first attestation profile is valid, wherein the received measurement is transmitted by the host electronic device that has been authenticated; and
terminating the diagnostic session with the host electronic device based on a failed validation of the received measurement.