Central authority for certifying unbonded access to a vehicle via a digital key device

A vehicle comprising:

• a memory that stores instructions;
• and
• one or more processors that execute the instructions to:
• receive, from a computing system, a service identifier associated with a function of the vehicle, wherein the vehicle stores one or more device identifiers for each digital key device in communication with the vehicle;
• after advertising the service identifier, receive, from a digital key device, a signed token associated with the service identifier, wherein the one or more device identifiers do not include a device identifier for the digital key device;
• send, to the computing system, the signed token;
• receive, from the computing system, an indication of whether the signed token is verified;
• responsive to determining, based on the indication, that the signed token is verified, authorize use of the function of the vehicle;
• and
• store the device identifier for the digital key device.

A non-transitory computer-readable storage medium comprising instructions, that when executed by one or more processors of a computing system, cause the one or more processors to:

• receive, from a computing system, a service identifier associated with a function of a vehicle, wherein the vehicle stores one or more device identifiers for each digital key device in communication with the vehicle;
• after advertising the service identifier, receive, from a digital key device, a signed token associated with the service identifier, wherein the one or more device identifiers do not include a device identifier for the digital key device;
• send, to the computing system, the signed token;
• receive, from the computing system, an indication of whether the signed token is verified;
• responsive to determining, based on the indication, that the signed token is verified, authorize use of the function of the vehicle;
• and
• store the device identifier for the digital key device.