Vehicle diagnostic device and method of managing certificate thereof
AssigneesHyundai Motor Company, Kia Motors Corporation, Hyundai Autoever Corp.
InventorsHyun Soo Ahn, Ho Jin Jung, A Ram Cho, Jae Woo Im
Life of this patent
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Abstract
A method of performing diagnostic communication with a vehicle using a diagnostic device includes: acquiring a certificate revocation list (CRL) corresponding to a certificate of the diagnostic device from an external device, verifying a validity of the certificate using the acquired CRL, performing authentication with the vehicle when the validity of the certificate is verified, and starting diagnostic communication between the diagnostic device and the vehicle when the authentication is performed.
Claims19
A method of performing diagnostic communication with a vehicle using a diagnostic device, the method comprising:
- acquiring a certificate revocation list (CRL) corresponding to a certificate of the diagnostic device from an external device;
- verifying a validity of the certificate using the acquired CRL;
- performing authentication with the vehicle when the validity of the certificate is verified;
- and
- starting diagnostic communication between the diagnostic device and the vehicle when the authentication is performed,
- wherein, when the CRL is not verified by the vehicle, the diagnostic device acquires the CRL and verifies validity of the certificate thereof.
A diagnostic device for performing diagnostic communication with a vehicle, the diagnostic device comprising:
- a memory storing a certificate of the diagnostic device;
- a communication unit acquiring a certificate revocation list (CRL) corresponding to the certificate from an external device;
- a vehicle connector performing communication with the vehicle;
- and
- a processor verifying a validity of the certificate using the acquired CRL, performing authentication with the vehicle through the vehicle connector when the validity of the certificate is verified, and starting diagnostic communication between the diagnostic device and the vehicle when the authentication is performed,
- wherein, when the CRL is not verified by the vehicle, the diagnostic device acquires the CRL and verifies validity of the certificate thereof.
Dependencies are inferred from the claim text.