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A new specification is being developed with the aim of letting car owners unlock and lock their vehicles using a smartphone.

The Car Connectivity Consortium (CCC), which counts Apple and Samsung as members, has published the Digital Key Release 1.0 Specification, offering a first look at a standardized way of using a smartphone to lock and unlock any vehicle, start its engine, and share access to the car.

CCC is looking to use existing technologies such as Bluetooth and NFC as part of the Digital Key standard.

The specification outlines a number of use cases, such as how a smartphone would unlock or lock the vehicle, for example, when it is in close proximity, by placing it near a sensor, or by opening an app.

To use the key, the specification suggests authentication could be required either via passcodes or a phone's biometric readers.

The specification also discusses key provisioning and revocation, pointing to potential applications for car-sharing businesses and car-rental agencies, which would be able to give customers a Digital Key on their phone that expires after the rental period is completed.

"This mechanism works agnostic of the brand of the car or the smart device, so that the rental agency is the single contact point for the customer," it notes.

This technology could also come in handy when buying a secondhand car, with the system allowing the new owner to simply revoke all previously provisioned keys.

The specification doesn't go into specifics about how the keys will need to be protected, but it does say whatever mechanism it uses it will need to prevent unauthorized copying, modification and deletion of existing keys.

It will also need to prevent unauthorized provisioning, and factor in software attackers, physical attacks, and attacks on communications between the device and vehicle.

Presumably, Digital Keys for the car will face similar security challenges to today's various smart locks, as seen in Pen Test Partner's hack on a Bluetooth-enabled smart padlock this week.

According to CCC, the Digital Key project is using "the expertise of the automakers and handset vendors contributing to development of an entire Digital Key ecosystem while addressing the concerns of reliability and security".

Digital Key Release 2.0, scheduled for release in Q1 2019, will outline a standardized authentication protocol between the vehicle and smart device.

CCC's board includes representatives from General Motors, Volkswagen, Daimler, RealVNC, HTC, PSA, Honda, LG Electronics, Hyundai, Alpine, Toyota, Panasonic, and Samsung.

CCC's charter member companies include Apple, Audi, BMW, General Motors, Hyundai, LG Electronics, Panasonic, Samsung, and Volkswagen. Core members include Alps Electric, Continental Automotive, Denso, Gemalto, NXP, and Qualcomm.

As Audi notes in the announcement, it already offers customers a Digital Key service and suggests it will play a lead role in the standard.

"By standardizing a Digital Key solution that complies with our security standards we lay the building blocks for innovative services on a broad basis," said Ulf Warschat, head of Body Electronics at Audi.

BMW is also keen on Release 2.0. "Leveraging all benefits of Release 2.0 will enable a scalable solution, interoperable with all smart devices and vehicles delivering a superior user experience to our customers," said Alexander Maier, BMW AG.

Source:
https://www.zdnet.com/article/apple-iphone-samsung-owners-unlocking-your-car-by-phone-just-moved-step-closer/

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