WO2024009706A1 - 車載システム、電子制御装置、アクセス認可ポリシー更新方法、及びプログラム - Google Patents
車載システム、電子制御装置、アクセス認可ポリシー更新方法、及びプログラム Download PDFInfo
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- WO2024009706A1 WO2024009706A1 PCT/JP2023/021939 JP2023021939W WO2024009706A1 WO 2024009706 A1 WO2024009706 A1 WO 2024009706A1 JP 2023021939 W JP2023021939 W JP 2023021939W WO 2024009706 A1 WO2024009706 A1 WO 2024009706A1
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- vehicle
- update
- access authorization
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/629—Protecting access to data via a platform, e.g. using keys or access control rules to features or functions of an application
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
Definitions
- the present disclosure relates to technology for controlling access to resources and information possessed by a vehicle.
- Patent Document 1 listed below describes a technology for restricting access using an access authorization policy when detecting access to resources and information owned by the system via a service application in an open platform for mobile terminals. There is.
- the access authorization policy specifies who is allowed or prohibited from doing what.
- an unspecified number of third-party service applications will be installed in electronic control systems installed in vehicles (hereinafter referred to as in-vehicle systems). Therefore, it is conceivable to restrict access from these unspecified number of service applications using an access authorization policy.
- the access authorization policy is set depending on the reliability of the service application that is the source of the access request, the characteristics of the resource or information that is the access destination, etc. Additionally, as service applications are frequently increased, changed, and deleted in order to meet various needs, it is expected that the frequency of updating access authorization policies will increase.
- the criteria for permitting/prohibiting access will change before and after the update, so depending on the timing of the update, there is a possibility that unexpected operation or non-operation may be induced. there were.
- One aspect of the present disclosure provides a technique for safely updating an access authorization policy.
- One aspect of the present disclosure is an in-vehicle system that includes a plurality of functional blocks and a cooperation control unit.
- Each of the plurality of functional blocks is configured to be installed in one of the plurality of electronic control units connected to the in-vehicle network or an external device remotely connected to the in-vehicle network, and to realize the functions assigned to each. be done.
- the cooperation control unit is configured to realize cooperation between a plurality of functional blocks.
- the cooperation control unit includes an access control unit, a necessity determination unit, a status determination unit, and an update execution unit.
- the access control unit receives an access request from a source block, which is one of the plurality of functional blocks, to a destination block, which is another one of the plurality of functional blocks.
- the access control unit determines whether the source block has access authority to the destination block using an access authorization policy that defines access authority between functional blocks.
- the access control unit is configured to transmit an access request to the target block if it is determined that the access authority exists.
- the necessity determination unit is configured to determine whether or not there is an update-required situation in which it is necessary to update the access authorization policy.
- the state determination unit is configured to determine whether the vehicle equipped with the in-vehicle network is in a safe state in which access authorization policy can be safely updated.
- the update execution unit is configured to update the access authorization policy when the necessity determination unit determines that the update is required and the status determination unit determines that the access authorization policy is in a secure state. Ru.
- the access authorization policy can be updated safely.
- the electronic control device installed in a vehicle.
- the electronic control device includes an access control section, a necessity determination section, a state determination section, and an update execution section. That is, the electronic control device has a configuration in which a plurality of functional blocks are removed from the above-mentioned in-vehicle system.
- the access authorization policy can be updated safely.
- One aspect of the present disclosure is an access authorization policy update method implemented by an electronic control device installed in a vehicle.
- the access authorization policy defines access privileges between a plurality of functional blocks, each of which is configured to perform a predetermined process.
- the access authorization policy update method includes determining whether there is an update-required situation in which it is necessary to update the access authorization policy.
- the access authorization policy update method includes determining whether the state of the vehicle equipped with the in-vehicle network is in a safe state in which the access authorization policy can be safely updated.
- the access authorization policy update method includes updating the access authorization policy when it is determined that the update is required and the security state is determined.
- the access authorization policy can be updated safely.
- One aspect of the present disclosure is a program for causing a computer to implement the following functions.
- the functions that the program causes the computer to implement include the function of determining whether or not the access authorization policy needs to be updated.
- the access authorization policy defines access privileges between a plurality of functional blocks, each of which is configured to perform a predetermined process.
- the functions that the program causes the computer to implement include a function of determining whether the state of the vehicle is in a safe state in which the access authorization policy can be safely updated.
- the functions that the program causes the computer to implement include a function of updating the access authorization policy when it is determined that the update is required and that the computer is in a safe state.
- the access authorization policy update method described above is realized, and as a result, the access authorization policy can be updated safely.
- FIG. 1 is a block diagram showing the configuration of a mobility service providing system.
- FIG. 2 is a block diagram showing the configuration of a platform.
- FIG. 2 is an explanatory diagram showing an outline of an access authorization policy.
- 3 is a flowchart of access restriction processing executed by an access control unit.
- 3 is a flowchart of policy update processing executed by a policy update unit. It is a flowchart of update processing during parking. It is a flowchart of update processing while the vehicle is stopped.
- the mobility service providing system 1 of this embodiment includes an in-vehicle system 100 installed in a vehicle, a cloud server 200, and a user terminal 300.
- a vehicle may have an automatic driving function in addition to a manual driving function.
- the vehicle may be a hybrid vehicle having an engine and an electric motor as a driving source.
- the vehicle is not limited to a vehicle having an automatic driving function or a hybrid vehicle, but may be a vehicle having only a manual driving function, or a vehicle having only an engine or only an electric motor as a driving source.
- a vehicle equipped with the in-vehicle system 100 will be simply referred to as a vehicle.
- the in-vehicle system 100 includes one electronic control unit (hereinafter referred to as ECU) 2, multiple ECUs 3, multiple ECUs 4, an external communication device 5, and an in-vehicle communication network 6.
- ECU is an abbreviation for Electronic Control Unit.
- the ECU 2 realizes coordinated control of the entire vehicle by supervising the multiple ECUs 3.
- the ECU 3 is provided for each domain divided by function in the vehicle, and mainly controls a plurality of ECUs 4 existing within that domain. Each ECU 3 is connected to a subordinate ECU 4 via an individually provided lower layer network. As the lower layer network, for example, a Controller Area Network (hereinafter referred to as CAN) is used. CAN is a registered trademark.
- the ECU 3 has a function of centrally managing access authority to the ECU 4 under its control and authenticating users. Examples of domains include powertrain, body, chassis, and cockpit.
- the ECU 4 connected to the ECU 3 belonging to the power train domain includes, for example, an ECU 4 that controls an engine, an ECU 4 that controls a motor, an ECU 4 that controls a battery, and the like.
- the ECU 4 connected to the ECU 3 belonging to the body domain includes, for example, an ECU 4 that controls an air conditioner, an ECU 4 that controls a door, and the like.
- the ECU 4 connected to the ECU 3 belonging to the chassis domain includes, for example, an ECU that controls brakes, an ECU 4 that controls steering, and the like.
- the ECU 4 connected to the ECU 3 belonging to the cockpit domain includes, for example, an ECU 4 that controls meter and navigation displays, an ECU 4 that controls an HMI device 7 operated by a vehicle occupant, and the like.
- HMI is an abbreviation for Human Machine Interface.
- the external communication device 5 performs data communication with external devices such as the cloud server 200 and the user terminal 300 via a wide area wireless communication network.
- the in-vehicle communication network 6 includes CAN with Flexible Data Rate (hereinafter referred to as CAN FD) and Ethernet.
- Ethernet is a registered trademark.
- the CAN FD connects the ECU 2, each ECU 3, and the external communication device 5 via a bus. Ethernet connects the ECU 2 and each ECU 3 and the external communication device 5 individually.
- the ECU 2 may include an Ethernet switch for switching the Ethernet to be used.
- the ECU 2 is an electronic control device mainly composed of a microcomputer including a CPU 2a, a ROM 2b, a RAM 2c, and the like.
- Various functions of the microcomputer are realized by the CPU 2a executing programs stored in a non-transitional physical recording medium.
- the ROM 2b corresponds to a non-transitional physical recording medium that stores a program. Furthermore, by executing this program, a method corresponding to the program is executed.
- part or all of the functions executed by the CPU 2a may be configured in terms of hardware using one or more ICs.
- the number of microcomputers configuring the ECU 2 may be one or more.
- the ECU 3, ECU 4, and external communication device 5 are all electronic control devices mainly configured with a microcomputer including a CPU, ROM, RAM, and the like. Further, the number of microcomputers configuring the ECU 3, the ECU 4, and the external communication device 5 may be one or more.
- ECU 2, ECU 3, ECU 4, and external communication device 5 will be referred to as in-vehicle devices 2 to 5 unless otherwise distinguished.
- the software installed in the in-vehicle devices 2 to 5 belonging to the in-vehicle system 100 is constructed in accordance with AUTOSAR, for example.
- AUTOSAR is an architecture for autonomous driving and stands for AUTomotive Open System Architecture.
- AUTOSAR not only provides communication between software components (hereinafter referred to as SW-C) implemented to realize various applications, but also provides functions related to connection with the cloud, security, etc.
- SW-C is software that is made into components to realize a certain function.
- the application program includes one or more SW-Cs. Note that the software of the mobility service providing system 1 does not necessarily have to be constructed in accordance with AUTSAR.
- Each of the on-vehicle devices 2 to 5 includes a platform.
- the platform provides an environment for executing SW-C written in a hardware-independent manner.
- the platform includes a runtime environment (hereinafter referred to as RTE) and base software (hereinafter referred to as BSW).
- RTE is an interface that connects SW-Cs and between SW-C and BSW.
- BSW is a layer that connects hardware and SW-C, and includes an OS, drivers, middleware, and the like.
- the functionality of the BSW is divided into small modules. The functions of each module are provided to the SW-C via an Application Programming Interface (hereinafter referred to as API).
- API Application Programming Interface
- the in-vehicle devices 2 to 5 include a service-related functional block group 21 as a collection of service applications (hereinafter referred to as service applications) that operate on the platform.
- a service app is an application that receives requests from clients, processes them, and returns results.
- Each service application is configured by one or more SW-Cs.
- the service application may be implemented not only in any of the in-vehicle devices 2 to 5, but also in an external device, such as the cloud server 200, that is remotely connected to the in-vehicle communication network 6 via the out-of-vehicle communication device 5.
- the service functional block group 21 includes service applications (hereinafter referred to as OEM applications) provided by Original Equipment Manufacturers (hereinafter referred to as OEMs).
- OEM is the vehicle manufacturer that manufactured the vehicle.
- OEM apps may include apps developed by the OEM itself and apps developed by other vendors.
- the service functional block group 21 may include a service application provided by a third party (hereinafter referred to as a 3rd application).
- Third parties are vehicle owners and third parties other than the OEM. Examples of third parties include data utilization companies that provide services by collecting data from vehicles.
- the platform includes a control system functional block group 22, a data system functional block group 23, and an API gateway 30.
- the control system functional block group 22 is a collection of service applications that include an API that receives commands related to vehicle motion, and that integrate the commands received by the API to realize consistent vehicle control.
- the control system functional block group 22 outputs various commands via the in-vehicle communication network 6 to the in-vehicle devices 3 to 5 in which entities exist that execute control based on the commands.
- the control system functional block group 22 converts various commands (i.e., API access requests) from the service functional block group 21 that are expressed in a vehicle-independent format to commands that are expressed in a vehicle-dependent format. It may also have a function to convert into .
- the data system functional block group 23 is a collection of service applications equipped with an API for handling vehicle data possessed by the in-vehicle devices 2 to 5.
- the data system functional block group 23 has an API that provides a function to abstract vehicle data expressed in a vehicle-dependent format, which is supplied from each in-vehicle device 2 to 5, into a vehicle-independent format and store it. You may.
- the data system functional block group 23 may have an API that provides a function of uploading accumulated vehicle data to the cloud server 200 via the external communication device 5.
- the vehicle API may include an API that provides a function of acquiring an access authorization policy, which will be described later, from the cloud server 200 or the like via the external communication device 5.
- the vehicle API may include an API that provides a function of communicating with the user terminal 300 via the external communication device 5.
- the vehicle API may include an API that provides a function of providing information to the occupant and accepting input operations by the occupant via the HMI device 7 provided in the vehicle.
- the vehicle API may include an API that provides a function of acquiring information necessary for determining the presence or absence of an occupant from an occupant recognition sensor 8 provided in the vehicle.
- the occupant recognition sensor 8 may be a camera that photographs the interior of the vehicle, or may be a pressure sensor that detects the load applied to the seat.
- the API gateway 30 is configured using the function of a virtual function bus (hereinafter referred to as VBF).
- VBF is middleware that enables communication between SW-C and communication between SW-C and BSW without being aware of hardware, communication protocols, etc., and is also called a software bus.
- Communication between SW-Cs is an access from an SW-C to an API provided by another SW-C, which is performed between service applications belonging to the service functional block group 21.
- Communication between SW-C and BSW is communication between a service application belonging to the service functional block group 21 and a service application belonging to the control system functional block group 22 and the data system functional block group 23. This is access from C to the vehicle API.
- the service application uses the functions provided by the control system functional block group 22 and the data system functional block group 23, it transmits an API access request that is an access request to the vehicle API.
- the API access request includes at least the process ID of the service application to be used (hereinafter referred to as the usage source application) and the API-ID, which is information that uniquely identifies the vehicle API to be used (hereinafter referred to as the usage destination API). .
- the API gateway 30 is provided in the platforms of all the in-vehicle devices 2 to 5 on which any one of the service functional block group 21, the control system functional block group 22, and the data system functional block group 23 may be installed.
- the API gateway 30 includes an information storage section 31, an access control section 32, a vehicle determination section 33, a riding determination section 34, and a policy update section 35.
- the information storage unit 31 stores an access authorization policy 311, a correspondence table 312, and user information 313.
- the correspondence table 312 may be stored in the RAM 2c.
- the access authorization policy 311 and user information 313 may be stored in the ROM 2b. However, the access authorization policy 311 and user information 313 may be stored in the nonvolatile RAM 2c.
- the access authorization policy 311 is a collection of information for determining whether the service application has access authority to the vehicle API.
- the access authorization policy 311 is, for example, downloaded from the cloud server 200 using the function of a service application belonging to the data-related functional block group 23 and stored in the information storage unit 31. As shown in FIG. 3, the access authorization policy is expressed, for example, by a list that defines the presence or absence of access authority from the source application specified by the application ID to the destination API specified by the API-ID. .
- the access authorization policy 311 includes, for example, S.I., which is an attribute defined as a security protection asset.
- S.I. is an attribute defined as a security protection asset.
- F. O. It may be designed considering the viewpoint of P.
- S is an abbreviation for Safety, which means access restrictions on API access that affect safety.
- F is an abbreviation for Financial, which refers to access restrictions on API access that affect the assets of companies or individuals.
- O is an abbreviation for Operational, and means an access restriction on API access that affects the operational performance of the vehicle.
- P is an abbreviation for Privacy, which means access restrictions on API access that affect privacy information.
- the correspondence table 312 associates a process ID that is dynamically assigned to a process, which is an execution unit of a program in an operating system (hereinafter referred to as OS), and a unique application ID of a service application executed in that process. Contains information.
- the correspondence table 312 also includes information that associates the unique API-ID of each vehicle API with the process ID of the process assigned to the service application that is the entity that executes the function of the API.
- the correspondence table 312 is generated by the OS when a process for each service application is generated at system startup.
- one table may be generated by combining the access authorization policy 311 and the correspondence table 312. Specifically, by referring to the correspondence between application IDs and process IDs and the correspondence between API-IDs and process IDs shown in the correspondence table 312, from the process ID of the source application to the process ID of the destination API. A table may be generated that indicates whether or not the user has access authority.
- the user information 313 is information that is arbitrarily set by the vehicle user.
- the user information 313 stores contact information for the vehicle user, such as the telephone number and e-mail address of a mobile terminal owned by the vehicle user, in association with a user ID that identifies the vehicle user.
- the vehicle user may be the owner of the vehicle, or may be a user who temporarily uses a vehicle such as a shared car.
- the access control unit 32 Upon receiving the API access request, the access control unit 32 uses the correspondence table 312 to identify the application ID of the source application from the process ID indicated in the API access request. The access control unit 32 executes access restriction processing to determine the presence or absence of access authority in accordance with the access authorization policy 311 based on the specified application ID and the API-ID of the destination API indicated in the API access request. . Details of the access restriction process will be described later.
- the vehicle determining unit 33 determines the vehicle status and battery status according to a request from the policy updating unit 35, and provides the determination results to the policy updating unit 35. Specifically, the vehicle determination unit 33 acquires information such as vehicle speed and shift lever position using the API provided by the control system functional block group 22, and determines whether the vehicle status is parked, stopped, or running. Determine which of the following applies. For example, if the shift lever position is in parking, it is determined that the vehicle is parked, and if the shift lever position is in a position other than parking, if the absolute value of the vehicle speed is less than a predetermined value (for example, 1 km/h), the vehicle is stopped. If the value is medium or above a predetermined value, it is determined that the vehicle is running.
- a predetermined value for example, 1 km/h
- the vehicle determination unit 33 uses the API provided by the control system functional block group 22 to acquire the battery voltage, thereby determining whether the battery state is in the normal state or in the low voltage state.
- the low voltage state refers to a voltage range in which the possibility that the microcomputer that executes the process of realizing the function of the API gateway 30 will malfunction exceeds a preset tolerance value.
- the boarding determining unit 34 determines whether there is a passenger in accordance with a request from the policy updating unit 35, and provides the determination result to the policy updating unit 35. Specifically, the occupancy determining unit 34 uses the API provided by the control system functional block group 22 to obtain the detection results of the occupant recognition sensor 8 and determines whether or not an occupant is present.
- the policy updating section 35 updates the access authorization policy according to the determination results of the vehicle determination section 33 and the boarding determination section 34.
- the access control unit 32 determines whether or not an API access request has been received from the service application. If the API access request has been received, the process moves to S120, and if the API access request has not been received, the process proceeds to S120. Wait by repeating.
- the access control unit 32 refers to the access authorization policy 311 based on the information indicated in the API access request and determines whether the source application that is the source of the API access request has access authority to the destination API. Determine whether or not. Specifically, the access control unit 32 first uses the correspondence table 312 to identify the application ID of the source application from the process ID indicated in the API access request. Then, the access control unit 32 refers to the access authorization policy 311 based on the specified application ID and the API-ID of the destination API indicated in the API access request, and transfers the information from the source application to the destination API. Determine whether or not you have access privileges.
- the access control unit 32 allows access from the source application to the destination API, that is, transmits the API access request to the destination API, and ends the process.
- the access control unit 32 denies access from the source application to the destination API, that is, discards the API access request, and ends the process.
- the access control unit 32 may confirm with the vehicle user whether the access is possible via the HMI device 7.
- the access control unit 32 receives a permission input indicating that the access is permitted via the HMI device 7, the process moves to S140, and receives a disallowance input indicating that the access is not permitted. If so, the API access request may be discarded.
- the policy update unit 35 determines whether there is any uninstalled update information. If the policy update unit 35 determines that there is uninstalled update information, it determines that an update is required and moves the process to S240; if it determines that there is no uninstalled update information, the policy updater 35 moves the process to S220. do.
- the policy update unit 35 determines whether or not there is a request to update the access authorization policy. If there is an update request, it is determined that the update is required and the process moves to S230; if there is no update request, the process proceeds to S230. is returned to S210.
- the update request may be, for example, a notification from the cloud server 200 indicating that a new access authorization policy to be provided to the in-vehicle system 100 has been uploaded to the cloud server 200.
- the policy update unit 35 uses an API that provides a function to obtain an access authorization policy via the external communication device 5 to obtain update information for the access authorization policy from the cloud server 200, and the process proceeds to S240. Proceed.
- the policy update unit 35 obtains the vehicle state via the vehicle determination unit 33.
- the policy update unit 35 determines whether the acquired vehicle state is parked. If it is determined that the vehicle is parked, the policy update unit 35 determines that the state is in a safe state in which the access authorization policy can be updated safely, and moves the process to S260; if it is determined that the vehicle is not parked, the policy update unit 35 continues the process. The process moves to S270.
- the policy update unit 35 executes the parking update process and ends the process.
- the policy update unit 35 determines whether the acquired vehicle state is stopped. If the policy update unit 35 determines that the vehicle is stopped, it is determined that the state is in a safe state, and the process proceeds to S280; if it is determined that the vehicle is not parked, that is, if it is running, it is determined that the state is not in a safe state. The process moves to S290.
- the policy update unit 35 executes the update process while the vehicle is stopped, and ends the process.
- the policy update unit 35 prohibits the update and ends the process. If updating is prohibited, the update information is not deleted but is retained as uninstalled update information.
- the policy update unit 35 acquires the riding state via the riding determination unit 34.
- the policy update unit 35 determines whether or not the vehicle user is in the vehicle based on the acquired riding state, and if the vehicle user is in the vehicle, the process moves to S320 and the vehicle user is in the vehicle. If not, the process moves to S350.
- the policy update unit 35 determines whether the vehicle user has been notified of the update confirmation, and if the update confirmation has been notified, the process moves to S340, and it is determined that the update confirmation has been notified. If not, the process moves to S330.
- the policy update unit 35 sends an update confirmation notification via the HMI device 7 using an API that provides a function to confirm whether the access authorization policy can be updated, and ends the process.
- the policy update unit 35 determines whether or not a permission input to permit updating of the access authorization policy has been received via the HMI device 7, and if the permission input has been received, the process moves to S350 and permission is granted. If no input is accepted, the process ends.
- the policy update unit 35 obtains the battery status via the vehicle determination unit 33.
- the policy update unit 35 determines whether the acquired battery state is a low voltage state, and if it is a low voltage state, the process moves to S370, and if it is not a low voltage state, the process is continued. The process moves to S380.
- the policy update unit 35 updates the access permission policy in a limited manner and ends the process. Specifically, installation is performed only for the portions in the access authorization policy that have been changed from having access privileges to not having access privileges. Update information other than the updated portion is retained as uninstalled update information.
- the policy update unit 35 may acquire not only the battery status but also the operating status of the application while the vehicle is parked. In this case, for example, in S360, if a diagnostic process or a program update process is being executed while the car is parked, the process moves to S370 and the access authorization policy is changed, as in the case where it is determined that the low voltage state is present. Updates may be performed on a limited basis.
- the policy update unit 35 installs all of the update information and ends the process. In this case, uninstalled update information does not exist.
- the policy update unit 35 obtains the riding state via the riding determination unit 34.
- the policy update unit 35 determines whether or not the vehicle user is in the vehicle based on the acquired riding state, and if the vehicle user is in the vehicle, the process moves to S420 and the vehicle user is in the vehicle. If not, the process moves to S460.
- the policy update unit 35 determines whether the vehicle user has been notified of the update confirmation, and if the update confirmation has been notified, the process moves to S440, and the update confirmation has been notified. If not, the process moves to S430.
- the policy update unit 35 sends an update confirmation notification via the API that provides a function to confirm whether the access authorization policy can be updated via the HMI device 7, and ends the process.
- the policy update unit 35 determines whether or not a permission input to permit updating of the access authorization policy has been received via the HMI device 7, and if the permission input has been received, the process moves to S450 and permission is granted. If no input is accepted, the process ends.
- the policy update unit 35 installs all of the update information and ends the process. In this case, uninstalled update information does not exist.
- the policy update unit 35 determines whether the vehicle user has been notified of the update confirmation, and if the update confirmation has been notified, the process moves to S480, and it is determined that the update confirmation has been notified. If not, the process moves to S470.
- the policy update unit 35 sends an update confirmation notification to the user terminal 300 via the external communication device 5 using an API that provides a function to send a notification to confirm whether or not the access authorization policy can be updated. Then, the process ends.
- the policy update unit 35 determines whether or not a permission notification permitting update of the access authorization policy has been received from the user terminal 300 via the external communication device 5. If the policy update unit determines that a permission notification has been accepted, the process proceeds to S490, and if it determines that a permission notification has not been received, the policy update unit ends the process.
- the policy update unit 35 installs all of the update information and ends the process. In this case, uninstalled update information does not exist.
- the update process while the vehicle is stopped if the vehicle user is on board, the update is confirmed via the HMI device 7, and if the vehicle user is not on board, the pre-registered user terminal 300 is updated. Check whether the update is possible or not. Then, the access permission policy is updated (ie, the update information is installed) only when the update permission is confirmed.
- the service functional block group 21, the control system functional block group 22, and the data functional block group 23 in this embodiment correspond to a plurality of functional blocks in the present disclosure.
- the API gateway 30 corresponds to a cooperation control unit in the present disclosure.
- S210 to S220 correspond to the necessity determining section in the present disclosure.
- S240, S250, and S270 correspond to the state determination unit in the present disclosure.
- S260 and S280 correspond to the update execution unit in the present disclosure.
- S320 to S330, S420 to S430, and S460 to S470 correspond to the permission confirmation section in the present disclosure.
- S340, S440, and S480 correspond to the operation permission section in the present disclosure.
- S300 to S310 and S400 to S410 correspond to the occupant determination section in the present disclosure.
- S430 corresponds to the first confirmation section in the present disclosure.
- S470 corresponds to the second confirmation section in the present disclosure.
- S350 to S360 correspond to the battery condition monitoring unit in the present disclosure.
- S370 corresponds to the limited
- the update request is generated when the update information of the access authorization policy is prepared in the cloud server 200, but the trigger for generating the update request is when the update information is prepared.
- a request to update the access authorization policy may be generated when an abnormality is detected.
- an access authorization policy for abnormal times may be prepared in advance in the information storage unit 31, and when an update request occurs due to an abnormality, the access authorization policy may be switched from one for normal times to one for abnormal times. .
- the HMI device 7 when confirming the vehicle user, if the vehicle user is in the vehicle, the HMI device 7 is used, but as in the case where the vehicle user is not in the vehicle, the user terminal 300 may be used.
- update information of the access authorization policy is acquired from the cloud server 200.
- the update information may be automatically downloaded from the cloud server 200 to the in-vehicle system 100, and when the download of the update information is confirmed, an update request notification may be generated within the in-vehicle system 100. In this case, the process of S230 in FIG. 5 is omitted.
- the access authorization policy is updated according to the vehicle state etc. to all APIs, but access related to the API provided by the control system functional block group 22 that involves the operation of sensors and actuators. It may be applied only to authorization policies.
- the access authorization policy regarding the API provided by the data system functional block group 23 used for data acquisition etc. may be updated regardless of the vehicle state etc. if there is update information that has not been installed.
- the in-vehicle devices 2 to 5 and the methods thereof described in the present disclosure are provided by configuring a processor and memory programmed to execute one or more functions embodied by a computer program. It may also be realized by a dedicated computer. Alternatively, the in-vehicle devices 2-5 and techniques thereof described in this disclosure may be implemented by a dedicated computer provided by a processor configured with one or more dedicated hardware logic circuits. Alternatively, the in-vehicle devices 2 to 5 and the method thereof described in the present disclosure include a processor configured with a processor and memory programmed to execute one or more functions, and one or more hardware logic circuits. It may be realized by one or more dedicated computers configured by a combination of the following.
- the computer program may also be stored as instructions executed by a computer on a computer-readable non-transitory tangible storage medium.
- the method of realizing the functions of each part included in the in-vehicle devices 2 to 5 does not necessarily need to include software, and all the functions may be realized using one or more pieces of hardware. .
- a plurality of functional blocks each of which is installed in one of a plurality of electronic control units connected to an in-vehicle network or an external device remotely connected to the in-vehicle network, and each of which is configured to execute a predetermined process. and, a cooperation control unit configured to realize cooperation between the plurality of functional blocks; Equipped with The cooperation control unit includes: When an access request is received from a source block, which is one of the plurality of functional blocks, to a destination block, which is another one of the plurality of functional blocks, an access authorization defining access authority between the functional blocks is received.
- the system is configured to use a policy to determine whether or not the source block has the access authority to the target block, and to transmit the access request to the target block if it is determined that the user block has the access authority.
- an access control unit a necessity determination unit configured to determine whether or not there is an update-required situation in which it is necessary to update the access authorization policy; a state determination unit configured to determine whether the state of a vehicle equipped with the in-vehicle network is in a safe state in which the access authorization policy can be safely updated;
- the access authorization policy is configured to be updated when the necessity determining unit determines that the update is required and the status determining unit determines that the safe state exists.
- an update execution unit An in-vehicle system equipped with
- the in-vehicle system described in item 1 includes: a permission checking unit configured to check whether the vehicle user has permission to update the access authorization policy; an operation permission section configured to permit operation of the update execution section when the vehicle user's permission is confirmed by the permission confirmation section; An in-vehicle system further equipped with
- the in-vehicle system described in item 2 The permission confirmation unit is configured to determine that the vehicle user has permission when the necessity determination unit determines that the update is required and the state determination unit determines that the vehicle is in the safe state.
- An in-vehicle system configured to determine whether
- the in-vehicle system includes: further comprising an occupant determination unit configured to determine whether or not there is an occupant riding in the vehicle,
- the permission confirmation section is a first confirmation unit configured to confirm permission of the vehicle user via an HMI device installed in the vehicle when the occupant determination unit determines that there is an occupant;
- a second confirmation unit configured to confirm permission of the vehicle user via a pre-registered user terminal when the occupant determination unit determines that there is no occupant;
- the in-vehicle system includes: a battery condition monitoring unit configured to monitor the condition of a battery mounted on the vehicle; a limited update unit that partially updates the access authorization policy when the battery is in a low voltage state that may cause unstable operation of the update execution unit; An in-vehicle system further equipped with
- the in-vehicle system according to any one of items 1 to 5,
- the safe state is a state in which the vehicle is parked or stopped. In-vehicle system.
- the in-vehicle system according to any one of items 1 to 6,
- the in-vehicle system is configured such that the necessity determining unit determines that the update is required when update information of the access authorization policy exists.
- An electronic control device installed in a vehicle, When an access request is received from a user block, which is one of a plurality of functional blocks each configured to execute a predetermined process, to a user block, which is another one of the plurality of functional blocks.
- An electronic control device comprising:
- the electronic control device determines that the update is required in a first situation in which update information of the access authorization policy exists and in a second situation in which an abnormality in the vehicle is detected. configured to In the first situation, the update execution unit updates the normal access authorization policy using update information obtained from an external device remotely connected to an in-vehicle network to which the electronic control device is connected. In the second situation, the electronic control device is configured to switch to and use an access authorization policy for abnormal times that is prepared separately from the access authorization policy for normal times.
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Abstract
Description
図1に示すように、本実施形態のモビリティサービス提供システム1は、車両に搭載される車載システム100と、クラウドサーバ200と、利用者端末300とを備える。車両は、手動運転機能に加えて自動運転機能を有していてもよい。車両は、走行駆動源として、エンジンと電動モータとを有するハイブリッド車両であってもよい。車両は、自動運転機能を有する車両とハイブリッド車両とに限らず、手動運転機能のみを備える車両であってもよいし、走行駆動源としてエンジンのみ又は電動モータのみを有する車両であってもよい。以下では、車載システム100を搭載する車両を、単に車両という。
車載システム100に属する車載装置2~5に搭載されるソフトウェアは、例えば、AUTOSARに沿って構築される。AUTOSARは、自動運転用のアーキテクチャであり、AUTomotive Open System Architectureの略である。AUTOSARは、種々のアプリケーションを実現するために実装されるソフトウェアコンポーネント(以下、SW-C)間の通信だけでなく、クラウドとの接続やセキュリティ等に関する機能も提供する。SW-Cは、ある機能を実現するために部品化されたソフトウェアである。アプリケーションプログラムは、一つ以上のSW-Cを含む。なお、モビリティサービス提供システム1のソフトウェアは、必ずしもAUTSARに沿って構築される必要はない。
APIゲートウェイ30は、サービス系機能ブロック群21、制御系機能ブロック群22、及びデータ系機能ブロック群23のいずれかが搭載される可能性がある、すべての車載装置2~5のプラットフォームが備える。
[5-1.アクセス制限処理]
アクセス制御部32が実行するアクセス制限処理を、図4のフローチャートを用いて説明する。アクセス制限処理は、APIゲートウェイ30が起動すると繰り返し実行される。
ポリシー更新部35が実行するポリシー更新処理を、図5のフローチャートを用いて説明する。ポリシー更新処理は、APIゲートウェイ30が起動すると繰り返し実行される。
ポリシー更新部35が、S260で実行する駐車中更新処理を、図6のフローチャートを用いて説明する。
ポリシー更新部35が、S280で実行する停車中更新処理を、図7のフローチャートを用いて説明する。
本実施形態におけるサービス系機能ブロック群21、制御系機能ブロック群22、及びデータ系機能ブロック群23が、本開示における複数の機能ブロックに相当する。APIゲートウェイ30が、本開示における連携制御部に相当する。S210~S220が、本開示における要否判定部に相当する。S240、S250、及びS270が、本開示における状態判定部に相当する。S260,S280が、本開示における更新実行部に相当する。S320~S330、S420~S430、及びS460~S470が、本開示における許可確認部に相当する。S340、S440、及びS480が、本開示における作動許可部に相当する。S300~S310、及びS400~S410が、本開示における乗員判定部に相当する。S430が、本開示における第1確認部に相当する。S470が、本開示における第2確認部に相当する。S350~S360が、本開示におけるバッテリ状態監視部に相当する。S370が、本開示における限定更新部に相当する。
以上詳述した実施形態によれば、以下の効果を奏する。
以上、本開示の実施形態について説明したが、本開示は上述の実施形態に限定されることなく、種々変形して実施することができる。
[項目1]
それぞれが車載ネットワークに接続された複数の電子制御装置のいずれか、又は前記車載ネットワークにリモート接続される外部装置に搭載され、それぞれが決められた処理を実行するように構成された複数の機能ブロックと、
前記複数の機能ブロック間の連携を実現するように構成された連携制御部と、
を備え、
前記連携制御部は、
前記複数の機能ブロックの一つである利用元ブロックから、前記複数の機能ブロックの他の一つである利用先ブロックへのアクセス要求を受け付けると、前記機能ブロック間のアクセス権限を規定するアクセス認可ポリシーを用いて、前記利用先ブロックに対する前記利用元ブロックの前記アクセス権限の有無を判定し、前記アクセス権限が有ると判定した場合、前記アクセス要求を前記利用先ブロックに伝達するように構成されたアクセス制御部と、
前記アクセス認可ポリシーの更新を実施する必要がある要更新状況にあるか否かを判定するように構成された要否判定部と、
前記車載ネットワークを搭載する車両の状態が前記アクセス認可ポリシーの更新を安全に実施可能な安全状態にあるか否かを判定するように構成された状態判定部と、
前記要否判定部にて前記要更新状況にあると判定され、かつ、前記状態判定部により、前記安全状態にあると判定された場合に、前記アクセス認可ポリシーの更新を実施するように構成された更新実行部と、
を備える、車載システム。
項目1に記載の車載システムであって、
前記更新実行部は、
前記アクセス認可ポリシーの更新を実施することについて車両利用者の許可があるか否かを確認するように構成された許可確認部と、
前記許可確認部により前記車両利用者の許可が確認された場合に、前記更新実行部の作動を許可するように構成された作動許可部と、
を更に備える、車載システム。
項目2に記載の車載システムであって、
前記許可確認部は、前記要否判定部にて前記要更新状況にあると判定され、かつ、前記状態判定部により前記安全状態にあると判定された場合に、前記車両利用者の許可があるか否かを確認するように構成された
車載システム。
項目2又は項目3に記載の車載システムであって、
前記更新実行部は、
前記車両に乗車している乗員の有無を判定するように構成された乗員判定部を更に備え、
前記許可確認部は、
前記乗員判定部にて乗員があると判定された場合、前記車両に装備されたHMI装置を介して、前記車両利用者の許可を確認するように構成された第1確認部と、
前記乗員判定部にて乗員がないと判定された場合、予め登録された利用者端末を介して、前記車両利用者の許可を確認するように構成された第2確認部と、
を備える、車載システム。
項目1から項目4までのいずれか1項に記載の車載システムであって、
前記更新実行部は、
前記車両に搭載されたバッテリの状態を監視するように構成されたバッテリ状態監視部と、
前記バッテリの状態が、当該更新実行部の作動が不安定となる可能性がある低電圧状態である場合、前記アクセス認可ポリシーの更新を部分的に実施する限定更新部と、
を更に備える、車載システム。
項目1から項目5までのいずれか1項に記載の車載システムであって、
前記安全状態は、前記車両が駐車中又は停車中の状態である
車載システム。
項目1から項目6までのいずれか1項に記載の車載システムであって、
前記要否判定部は、前記アクセス認可ポリシーの更新情報が存在する場合に、前記要更新状況であると判定する
車載システム。
項目1から項目7までのいずれか1項に記載の車載システムであって、
前記要否判定部は、前記車両の異常を検出した場合に、前記要更新状況であると判定する
車載システム。
車両に搭載される電子制御装置であって、
それぞれが決められた処理を実行するように構成された複数の機能ブロックの一つである利用元ブロックから、前記複数の機能ブロックの他の一つである利用先ブロックへのアクセス要求を受け付けると、前記複数の機能ブロック間のアクセス権限を規定するアクセス認可ポリシーを用いて、前記利用先ブロックに対する前記利用元ブロックの前記アクセス権限の有無を判定し、前記アクセス権限が有ると判定した場合、前記アクセス要求を前記利用先ブロックに伝達するように構成されたアクセス制御部と、
前記アクセス認可ポリシーの更新を実施する必要がある要更新状況にあるか否かを判定するように構成された要否判定部と、
前記車両の状態が前記アクセス認可ポリシーの更新を安全に実施可能な安全状態にあるか否かを判定するように構成された状態判定部と、
前記要否判定部にて前記要更新状況にあると判定され、かつ、前記状態判定部により、前記安全状態にあると判定された場合に、前記アクセス認可ポリシーの更新を実施するように構成された更新実行部と、
を備える、電子制御装置。
項目9に記載の電子制御装置であって、
前記要否判定部は、前記アクセス認可ポリシーの更新情報が存在する第1の状況である場合、及び前記車両の異常を検出した第2の状況である場合に、前記要更新状況であると判定するように構成され、
前記更新実行部は、前記第1の状況である場合、当該電子制御装置が接続された車載ネットワークにリモート接続される外部装置から取得する更新情報を用いて正常時用のアクセス認可ポリシーを更新し、前記第2の状況である場合、前記正常時用のアクセス認可ポリシーとは別に用意されている異常時用のアクセス認可ポリシーに切り替えて使用するように構成された
電子制御装置。
車両に搭載された電子制御装置によって実施され、それぞれが決められた処理を実行するように構成された複数の機能ブロック間のアクセス権限を規定したアクセス認可ポリシーを更新するアクセス認可ポリシー更新方法であって、
前記アクセス認可ポリシーの更新を実施する必要がある要更新状況にあるか否かを判定すること、
前記車両の状態が前記アクセス認可ポリシーの更新を安全に実施可能な安全状態にあるか否かを判定すること、
前記要更新状況にあると判定され、かつ、前記安全状態にあると判定された場合に、前記アクセス認可ポリシーの更新を実施すること、
を含む、アクセス認可ポリシー更新方法。
車両に搭載されたコンピュータに、
それぞれが決められた処理を実行するように構成された複数の機能ブロック間のアクセス権限を規定したアクセス認可ポリシーについて、前記アクセス認可ポリシーの更新を実施する必要がある要更新状況にあるか否かを判定する機能、
前記車両の状態が前記アクセス認可ポリシーの更新を安全に実施可能な安全状態にあるか否かを判定する機能、
前記要更新状況にあると判定され、かつ、前記安全状態にあると判定された場合に、前記アクセス認可ポリシーの更新を実施する機能、
を実現させるためのプログラム。
Claims (12)
- それぞれが車載ネットワークに接続された複数の電子制御装置(2~5)のいずれか、又は前記車載ネットワークにリモート接続される外部装置(200)に搭載され、それぞれが決められた処理を実行するように構成された複数の機能ブロック(21~23)と、
前記複数の機能ブロック間の連携を実現するように構成された連携制御部(30)と、
を備え、
前記連携制御部は、
前記複数の機能ブロックの一つである利用元ブロックから、前記複数の機能ブロックの他の一つである利用先ブロックへのアクセス要求を受け付けると、前記機能ブロック間のアクセス権限を規定するアクセス認可ポリシーを用いて、前記利用先ブロックに対する前記利用元ブロックの前記アクセス権限の有無を判定し、前記アクセス権限が有ると判定した場合、前記アクセス要求を前記利用先ブロックに伝達するように構成されたアクセス制御部(32)と、
前記アクセス認可ポリシーの更新を実施する必要がある要更新状況にあるか否かを判定するように構成された要否判定部(35:S210~S220)と、
前記車載ネットワークを搭載する車両の状態が前記アクセス認可ポリシーの更新を安全に実施可能な安全状態にあるか否かを判定するように構成された状態判定部(35:S240,S250,S270)と、
前記要否判定部にて前記要更新状況にあると判定され、かつ、前記状態判定部により、前記安全状態にあると判定された場合に、前記アクセス認可ポリシーの更新を実施するように構成された更新実行部(35:S260,S280)と、
を備える、車載システム。 - 請求項1に記載の車載システムであって、
前記更新実行部は、
前記アクセス認可ポリシーの更新を実施することについて車両利用者の許可があるか否かを確認するように構成された許可確認部(35:S320~S330,S420~S430,S460~S470)と、
前記許可確認部により前記車両利用者の許可が確認された場合に、前記更新実行部の作動を許可するように構成された作動許可部(35:S340,S440,S480)と、
を更に備える、車載システム。 - 請求項2に記載の車載システムであって、
前記許可確認部は、前記要否判定部にて前記要更新状況にあると判定され、かつ、前記状態判定部により前記安全状態にあると判定された場合に、前記車両利用者の許可があるか否かを確認するように構成された
車載システム。 - 請求項2に記載の車載システムであって、
前記更新実行部は、
前記車両に乗車している乗員の有無を判定するように構成された乗員判定部(35:S300~S310,S400~S410)を更に備え、
前記許可確認部は、
前記乗員判定部にて乗員があると判定された場合、前記車両に装備されたHMI装置(7)を介して、前記車両利用者の許可を確認するように構成された第1確認部(35:S430)と、
前記乗員判定部にて乗員がないと判定された場合、予め登録された利用者端末(300)を介して、前記車両利用者の許可を確認するように構成された第2確認部(35:S470)と、
を備える、車載システム。 - 請求項1に記載の車載システムであって、
前記更新実行部は、
前記車両に搭載されたバッテリの状態を監視するように構成されたバッテリ状態監視部(35:S350~S360)と、
前記バッテリの状態が、当該更新実行部の作動が不安定となる可能性がある低電圧状態である場合、前記アクセス認可ポリシーの更新を部分的に実施する限定更新部(35:S370)と、
を更に備える、車載システム。 - 請求項1から請求項5までのいずれか1項に記載の車載システムであって、
前記安全状態は、前記車両が駐車中又は停車中の状態である
車載システム。 - 請求項1から請求項5までのいずれか1項に記載の車載システムであって、
前記要否判定部は、前記アクセス認可ポリシーの更新情報が存在する場合に、前記要更新状況であると判定する
車載システム。 - 請求項1から請求項5までのいずれか1項に記載の車載システムであって、
前記要否判定部は、前記車両の異常を検出した場合に、前記要更新状況であると判定する
車載システム。 - 車両に搭載される電子制御装置であって、
それぞれが決められた処理を実行するように構成された複数の機能ブロックの一つである利用元ブロックから、前記複数の機能ブロックの他の一つである利用先ブロックへのアクセス要求を受け付けると、前記複数の機能ブロック間のアクセス権限を規定するアクセス認可ポリシーを用いて、前記利用先ブロックに対する前記利用元ブロックの前記アクセス権限の有無を判定し、前記アクセス権限が有ると判定した場合、前記アクセス要求を前記利用先ブロックに伝達するように構成されたアクセス制御部(32)と、
前記アクセス認可ポリシーの更新を実施する必要がある要更新状況にあるか否かを判定するように構成された要否判定部(35:S210~S220)と、
前記車両の状態が前記アクセス認可ポリシーの更新を安全に実施可能な安全状態にあるか否かを判定するように構成された状態判定部(35:S240,S250,S270)と、
前記要否判定部にて前記要更新状況にあると判定され、かつ、前記状態判定部により、前記安全状態にあると判定された場合に、前記アクセス認可ポリシーの更新を実施するように構成された更新実行部(35:S260,S280)と、
を備える、電子制御装置。 - 請求項9に記載の電子制御装置であって、
前記要否判定部は、前記アクセス認可ポリシーの更新情報が存在する第1の状況である場合、及び前記車両の異常を検出した第2の状況である場合に、前記要更新状況であると判定するように構成され、
前記更新実行部は、前記第1の状況である場合、当該電子制御装置が接続された車載ネットワークにリモート接続される外部装置(200)から取得する更新情報を用いて正常時用のアクセス認可ポリシーを更新し、前記第2の状況である場合、前記正常時用のアクセス認可ポリシーとは別に用意されている異常時用のアクセス認可ポリシーに切り替えて使用するように構成された
電子制御装置。 - 車両に搭載された電子制御装置によって実施され、それぞれが決められた処理を実行するように構成された複数の機能ブロック(21~23)間のアクセス権限を規定したアクセス認可ポリシーを更新するアクセス認可ポリシー更新方法であって、
前記アクセス認可ポリシーの更新を実施する必要がある要更新状況にあるか否かを判定すること(S210~S220)、
前記車両の状態が前記アクセス認可ポリシーの更新を安全に実施可能な安全状態にあるか否かを判定すること(S240,S250,S270)、
前記要更新状況にあると判定され、かつ、前記安全状態にあると判定された場合に、前記アクセス認可ポリシーの更新を実施すること(S260,S280)、
を含む、アクセス認可ポリシー更新方法。 - 車両に搭載されたコンピュータに、
それぞれが決められた処理を実行するように構成された複数の機能ブロック(21~23)間のアクセス権限を規定したアクセス認可ポリシーについて、前記アクセス認可ポリシーの更新を実施する必要がある要更新状況にあるか否かを判定する機能(S210~S220)、
前記車両の状態が前記アクセス認可ポリシーの更新を安全に実施可能な安全状態にあるか否かを判定する機能(S240,S250,S270)、
前記要更新状況にあると判定され、かつ、前記安全状態にあると判定された場合に、前記アクセス認可ポリシーの更新を実施する機能(S260,S280)、
を実現させるためのプログラム。
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| JP2024531979A JP7708316B2 (ja) | 2022-07-08 | 2023-06-13 | 車載システム、電子制御装置、アクセス認可ポリシー更新方法、及びプログラム |
| DE112023002999.7T DE112023002999T5 (de) | 2022-07-08 | 2023-06-13 | Fahrzeugbordsystem, elektronische steuervorrichtung, zugriffsautorisierungsrichtlinienaktualisierungsverfahren und programm |
| CN202380051543.3A CN119547072A (zh) | 2022-07-08 | 2023-06-13 | 车载系统、电子控制装置、访问授权策略更新方法以及程序 |
| US19/006,156 US20250181773A1 (en) | 2022-07-08 | 2024-12-30 | In-vehicle system, electronic control device, access authorization policy update method, and storage medium storing program |
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|---|---|---|---|---|
| JP2008193572A (ja) * | 2007-02-07 | 2008-08-21 | Hitachi Ltd | 車載ゲートウェイ装置 |
| JP2014134483A (ja) * | 2013-01-11 | 2014-07-24 | Clarion Co Ltd | 情報処理装置、音声操作システム、および、情報処理装置の音声操作方法 |
| WO2022069106A1 (en) * | 2020-09-30 | 2022-04-07 | Valeo Comfort And Driving Assistance | Security network of connected vehicle |
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| CN112585905B (zh) * | 2019-11-12 | 2021-11-19 | 华为技术有限公司 | 一种设备升级方法及相关设备 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008193572A (ja) * | 2007-02-07 | 2008-08-21 | Hitachi Ltd | 車載ゲートウェイ装置 |
| JP2014134483A (ja) * | 2013-01-11 | 2014-07-24 | Clarion Co Ltd | 情報処理装置、音声操作システム、および、情報処理装置の音声操作方法 |
| WO2022069106A1 (en) * | 2020-09-30 | 2022-04-07 | Valeo Comfort And Driving Assistance | Security network of connected vehicle |
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| CN119547072A (zh) | 2025-02-28 |
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| US20250181773A1 (en) | 2025-06-05 |
| JPWO2024009706A1 (ja) | 2024-01-11 |
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