Classifications

• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
  • G07C5/00—Registering or indicating the working of vehicles
  • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
  • G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
  • G07C5/00—Registering or indicating the working of vehicles
  • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
  • G07C5/00—Registering or indicating the working of vehicles
  • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
  • G07C5/0841—Registering performance data
  • G07C5/085—Registering performance data using electronic data carriers
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L67/00—Network arrangements or protocols for supporting network services or applications
  • H04L67/50—Network services
  • H04L67/56—Provisioning of proxy services
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04Q—SELECTING
  • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
  • H04W12/03—Protecting confidentiality, e.g. by encryption
  • H04W12/037—Protecting confidentiality, e.g. by encryption of the control plane, e.g. signalling traffic
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
  • H04W4/30—Services specially adapted for particular environments, situations or purposes
  • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
  • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
  • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
  • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L63/00—Network architectures or network communication protocols for network security
  • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
  • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L63/00—Network architectures or network communication protocols for network security
  • H04L63/12—Applying verification of the received information
  • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L67/00—Network arrangements or protocols for supporting network services or applications
  • H04L67/01—Protocols
  • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
  • H04W12/10—Integrity
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
  • H04W88/02—Terminal devices
  • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Definitions

• the invention relates to the establishment of a diagnostic report of the vehicle, in particular after an accident.
• Document US2015 / 0120082 discloses a system for establishing an accident report.
• This system implements a telematic module of a vehicle communicating with a mobile terminal.
• the mobile terminal is used to communicate the data to a remote server.
• nothing is planned to ensure the integrity of the transmitted data.
• a transmission error or malicious act can lead to a modification of the accident data without any possibility of realizing it.
• the invention therefore aims to remedy the aforementioned problem by providing a method and a device for automatically controlling the establishment of a report when an accident occurs and to transmit reliably and securely this report.
• the terminal having a memory in which is stored a list of predefined tests, said tests on data representative of a vehicle parameter, the step of determining whether the vehicle has suffered an accident comprises a step of determining if at least one of the tests is verified or if a combination of tests is verified.
• the data representative of a parameter of the vehicle comprises at least one of the following data: a state of an airbag of the vehicle, a state of an electronic corrector of trajectory of the vehicle, a location of the vehicle, a timestamp indicating the moment of activation of the airbag or electronic trajectory corrector, mileage, alert log, fault codes, steering wheel angle, brake pedal pressure.
• the predefined condition list comprises at least one of the following conditions: the vehicle's airbag is deployed, the pressure on the brake pedal is greater than a first predetermined threshold, the variation in speed is greater than a second predetermined threshold; the variation of the flying angle is greater than a third predetermined threshold.
• the method for controlling the establishment of an accident report according to the invention further comprises a step of receiving a request from a user, an accident report and, in response, the transmission to the telematic calculator of an accident report request.
• the method for controlling the establishment of an accident report according to the invention furthermore comprises, if during the step of determining an accident, at least one of the tests is positively evaluated, the recording an event in an event log, indicating the test that has been positively evaluated.
• the method for controlling the establishment of an accident report according to the invention further comprises a step of receiving the decrypted accident report from the server.
• the accident report includes at least one of the following data: an alert log to identify problems after the accident, a global check of the vehicle including a state of the doors, the fluid level, vehicle fault data , images captured by a camera embedded inside the vehicle.
• the invention also relates to a terminal for controlling the establishment of an accident report of a vehicle characterized in that it comprises: means of subscription, with a telematic computer of the vehicle, to a service of publication of data, for at least one data representing a parameter of the vehicle, means for receiving, repeatedly, values for the data representative of a parameter of the vehicle, means for determining whether the vehicle has suffered an accident from the values received, means of transmission, to the telematic calculator of an accident report request, if the vehicle has suffered an accident, means of reception an accident report signed and encrypted by the telematics calculator, means of transmitting the accident report signed and encrypted to a remote server.
• the invention also relates to a system for establishing an accident report of a vehicle characterized in that it comprises a telematic computer, on board the vehicle, capable of transmitting data on a regular basis, a remote server and a terminal capable of communicating with the telematic calculator and with the remote server, the system being characterized in that: the telematic calculator is able to issue a signed and encrypted accident report; the terminal is a terminal according to the invention.
• FIG. 1 illustrates an example of a system for establishing an accident report of a vehicle according to the invention
• FIG. 2 illustrates a flowchart showing the method for controlling the establishment of an accident report according to the invention.
• the invention relates to an application executed on a nomadic device (also called terminal) automatically establishing a report describing the state of the vehicle following an accident.
• the occurrence of an accident is determined based on relevant data retrieved from the vehicle.
• the accident report describes the defects of the vehicle that appear after an accident.
• the report can also integrate captured images from the camera (s) integrated into the vehicle.
• the report makes it possible to clarify the causes of an accident, to define breakdowns or problems of the vehicle related to the accident and possibly to estimate a first cost related to the repairs.
• the vehicle has the means to certify the data recorded before, during or after an accident.
• An onboard computer has a certificate that allows to guarantee the integrity of the transmitted data. These data are then accessible with the guarantee that the information has not been manipulated.
• a system for establishing an accident report of a vehicle comprises at least one terminal 101, a vehicle 102 and a central server 103.
• the terminal 101 is a smart mobile phone (also called smartphone in English). But the invention is not limited to this example. Indeed, the terminal 101 may be a laptop, a touch pad or any other connected object (ie capable of exchanging data via a wireless or wired connection).
• This mobile equipment belongs, for example, to the driver of a vehicle or to one of the passengers of the vehicle.
• This equipment 101 comprises at least one processor (or CPU for Central Processor Unit), display means (such as a screen), designation means (for example a touch screen).
• the terminal 101 also comprises means of communication with a remote network, such as the Internet, comprising shared computing resources.
• These communications means are for example a connection to a type 2G / 3G / 4G telecommunications network, and means of communication with the telematic computer 104 embedded in the vehicle 102, for example of Wifi, Bluetooth or near-field communication type (also called NFC for Near Field Communication).
• the terminal 101 also comprises: means for subscribing, to a telematic computer of the vehicle, to a data publication service, for at least one data representative of a parameter of the vehicle 102, receiving means, so as to repeated, values for the data representative of a parameter of the vehicle 102, means for determining whether the vehicle has suffered an accident from the values received, means for transmitting, to the computer telematics, a request for accident report, if the vehicle has suffered an accident, means for receiving an accident report signed and encrypted by the telematic computer, means for transmitting the signed accident report and encrypted to a remote server 103.
• the vehicle 102 comprises at least one on-board computer (not shown), for example a piece of equipment called BSI for an Intelligent Service Enclosure, comprising at least one processor and a memory and which manages a certain number of electrical equipment of a vehicle and These include airbags, interior lights, locking / unlocking doors and trunk, power windows and sunroof operation, windshield wiper timing, timers, alarm (if applicable). It also manages the dialogue between the immobilizer and the engine ECU.
• BSI Intelligent Service Enclosure
• the vehicle 102 also includes a telematic computer 104 comprising means of communication with equipment external to the vehicles.
• the calculator 104 comprises a wireless communication module, for example of the Bluetooth or WIFI type and / or a wired connection, for example of the USB type.
• the vehicle 102 also comprises a data bus (not shown), for example a CAN bus (for the Controller Area Network) on which a plurality of computers communicate in turn by exchanging communications frames.
• a data bus for example a CAN bus (for the Controller Area Network) on which a plurality of computers communicate in turn by exchanging communications frames.
• Each frame is identified by a code, and contains a set of functional information.
• the vehicle 102 comprises for example an under-inflation detection computer emitting frames giving the status of each wheel (ok, deflated, punctured, ). This information is exploited by other organs of the vehicle and can in particular be retrieved by the computer 104.
• the vehicle 102 also includes a camera (not shown) for capturing images (fixed or animated) of the external environment of the vehicle.
• the telematic calculator 104 comprises a secure storage space capable of storing a private key used to sign the data transmitted by the computer.
• the secure storage space is for example a Trusted Platform Module (TPM) chip, which is a hardware cryptographic component for storing secrets (such as encryption keys) securely.
• TPM Trusted Platform Module
• a certificate (or electronic certificate) is a set of data containing at least one public key, at least one identification information (for example: a name, usually stored in a data field called CN for "Common Name” And at least one private key to sign.
• the central server 103 is common to a plurality of vehicles. It includes a database for storing data from terminals. In practice, the server stores a certain amount of information relating to the vehicle (for example the VIN for Vehicle Identification Number) and to its owner.
• the central server 103 has means for decrypting the report encrypted by the computer. These decryption means comprise for example a private key.
• the accident report is encrypted by the telematic calculator 104, using a public key associated with the key private with an asymmetric encryption algorithm.
• the invention also relates to a method for controlling the establishment of an accident report.
• This method implemented by the terminal 101, comprises the following steps.
• the method first comprises a subscription step 201, with the telematic calculator 104 of the vehicle 102, to a data publication service, for at least one data representative of a parameter of the vehicle 102.
• the method then comprises receiving, 202, repeatedly, values for the data representative of a parameter of the vehicle 102.
• the terminal regularly receives values for one or more data making it possible to determine that an accident has occurred.
• data concern for example: a state of a vehicle airbag 102, a state of an electronic trajectory corrector 102, a location of the vehicle 102, a time stamp at the moment of activation of the airbag of the vehicle.
• safety or electronic trajectory corrector mileage, warning log, fault codes, steering wheel rotation angle or brake pedal pressure.
• At least one of the data transmitted is associated with a time stamp.
• the terminal 101 determines, from the values received, whether the vehicle 102 has suffered an accident.
• the terminal 101 has a memory in which is stored a list of predefined tests.
• the tests relate to the data representative of a parameter of the vehicle 102.
• the terminal checks whether at least one of the tests is verified or if a combination of tests is verified.
• the list of predefined tests comprises at least one of the following tests:
• the vehicle's airbag is deployed 102
• the pressure on the brake pedal is greater than a first predetermined threshold S1
• the variation of the speed is greater than a second predetermined threshold S2;
• the variation of the flying angle is greater than a third predetermined threshold S3.
• the pressure on the brake pedal is greater than the first predetermined threshold S1 and the variation of the flying angle is greater than the third predetermined threshold S3 then it is also considered that there has been an accident.
• the terminal 101 204 commands the telematic calculator 104 an accident report.
• the telematics calculator 104 issues an accident report.
• the report is signed by the telematic calculator 104 using the certificate stored in its memory. This ensures the integrity of the accident report.
• the report is also encrypted. This ensures the confidentiality of the accident report.
• the report contains at least one of the following data:
• At least one of the data of the accident report is associated with a time stamp.
• the terminal 101 receives 205 the accident report signed and encrypted by the telematic calculator. Then, the terminal 101 transmits 206 the signed and encrypted accident report to the remote server 103.
• the terminal 101 does not decrypt the report and does not check the signature of the report. It is the remote server 103 that decrypts the report and verifies its integrity.
• the method according to the invention comprises, in addition, a step of reception by the terminal 101 of a request from the user of an accident report and in response to the transmission 205, by the terminal 101 to the telematic calculator 104, a request for an accident report.
• the user can request a report on the state of his vehicle without it being damaged.
• the method according to the invention furthermore includes recording 208 of an event 15 in a event log, indicating the test that has been positively evaluated.
• the method according to the invention further comprises a step of reception, by the terminal 101, of the accident report decrypted from the remote server 103.
• the accident report received from the remote server is readable on the terminal 101.
• the data contained in the report has been verified on the remote server 103. Their integrity is therefore guaranteed.

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• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• General Physics & Mathematics (AREA)
• Physics & Mathematics (AREA)
• Computer Security & Cryptography (AREA)
• Health & Medical Sciences (AREA)
• Environmental & Geological Engineering (AREA)
• Public Health (AREA)
• Emergency Management (AREA)
• Business, Economics & Management (AREA)
• Computing Systems (AREA)
• General Health & Medical Sciences (AREA)
• Medical Informatics (AREA)
• Alarm Systems (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=55451308

Family Applications (1)

Country Status (5)

Families Citing this family (6)

Family Cites Families (16)

• 2015
  • 2015-11-26 FR FR1561440A patent/FR3044502B1/fr not_active Expired - Fee Related
• 2016
  • 2016-11-18 WO PCT/FR2016/053023 patent/WO2017089684A1/fr active Application Filing
  • 2016-11-18 US US15/779,201 patent/US20190340850A1/en not_active Abandoned
  • 2016-11-18 CN CN201680068959.6A patent/CN108293173A/zh active Pending
  • 2016-11-18 EP EP16809998.4A patent/EP3381207A1/de not_active Withdrawn

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