Patent ID: 11882509
Assignee: GUANGZHOU XIAOPENG MOTORS TECHNOLOGY CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  B  G | IPC H

Claim 9:
10. The method according to claim 8, wherein the method further comprises:
identifying, by the service server, information of a vehicle to be unbound and virtual key unbinding account information comprised in a virtual key unbinding request when receiving the virtual key unbinding request sent by the terminal device;
obtaining, by the service server, feature information of a device to be unbound matching the information of the vehicle to be unbound and the virtual key unbinding account information, and sending the feature information of the device to be unbound to the security server, so as to enable the security server to sign and encrypt the feature information of the device to be unbound, the feature information of the device to be unbound comprising a fingerprint of the device to be unbound and a service key;
sending, by the service server, encrypted feature information of the device to be unbound to an on-board electronic device matching with the information of the vehicle to be unbound, so as to enable the on-board electronic device to delete bound information of the vehicle to be unbound when receiving the signed and encrypted feature information of the device to be unbound sent by the security server;
sending, by the service server, an unbound result to the terminal device when receiving the unbound result sent by the on-board electronic device.