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Digital Key Solution

R&D project

Digital Key Solution

Connectivity

Security

Cloud

HMI

A secure scalable cloud-managed solution that enables keyless vehicle access via a smartphone.

Digital Key System

Cloud-managed backend

A server providing a set of APIs for pairing a mobile device with a vehicle, authorization, user & vehicle data storage, etc. Includes a push notification service.

Certificate Authority Center

A server for generating, signing, and validating certificates.

Mobile

Using BLE as a communication protocol, the system is smartphone-compatible. Vehicle key management is done via a mobile app.

Hardware configuration

3rd party hardware solution configured and custom software developed that can be seamlessly integrated with all existing in-vehicle modules.

Features

- Unlocking/locking the vehicle when the smart device is in/out close proximity
- Unlocking/locking the vehicle by user interaction with the smart device
- Provisioning the key to another smart device
- Revoking the key
- Proximity/remote key sharing

Security

Ensuring high-level security

Mechanisms and techniques used for ensuring data and IT security of the Digital Key Solution:

Secure QR-codes as means of communicaton between the backend and a mobile device
Authorization and authentication mechanisms (including biometrics)
A powerful notification engine for vehicle status control

Maximizing BLE security features

Improvements of BLE security model implemented in the Digital Key Solution:

'Read' and 'write' modes feature to provide a smooth auto-locking/unlocking experience
Additional layers of encryption (TLS) to provide communications security over BLE protocol
Integrity control of a session to protect from man-in-the-middle, replay, and amplified relay attacks