Abstract
An event data recorder (EDR) is a device installed in a vehicle to record information. Similar to a black box in an airplane, an EDR is used in the study of automobile accidents. Many schemes have been proposed that use vehicle network technology to help record EDR data, including schemes involving storing data on roadside units or nearby vehicles and schemes leveraging blockchain technology. However, these schemes do not take into account the vehicle company’s server; with the increased use of autonomous vehicles, the data related to these vehicles are always uploaded to the vehicle company’s server. In this scenario, we classify the situation into different cases, according to whether or not it is an emergency and whether the vehicle and the server are connected. For these cases, we propose a scheme whereby a vehicle uploads the EDR data to a cloud server and sends the evidence of storage to the nearby vehicle through a vehicular ad hoc network. Our scheme offers a fast response due to the use of symmetric cryptography algorithms while also considering security requirements.
Highlights
An event data recorder (EDR) is a device installed in automobiles to record information related to vehicle crashes or accidents [1]
We propose a scheme in which the vehicle uploads the EDR data to the server and sends the evidence of stored data to the nearby vehicle in a vehicular ad hoc network (VANET)
The requirements are as follows: (i) e vehicle connected to the server should be authenticated (ii) EDR data are in the form of plaintext (iii) It should be assured that EDR data come from the proper EDR (iv) No one can forge the evidence of data storage that the server generates
Summary
An event data recorder (EDR) is a device installed in automobiles to record information related to vehicle crashes or accidents [1]. In [9], the authors suggested that black box technology can record data obtained by in-car sensors and send them to the public-safety answering point and that by using vehicular communications, cars involved in an accident can send alerts and other important information about the accident to nearby vehicles and to the nearest wireless base station. There are other schemes for this purpose, including schemes storing data on roadside units (RSUs) or nearby vehicles and schemes leveraging blockchain technology. These schemes do not take the vehicle company’s server into account.
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