Vehicle end master key management method, system, device and medium

Abstract

The invention discloses a management method, system and device of a vehicle end master key and a medium. The management method of the vehicle end master key comprises the steps that a generation instruction of a Bluetooth master key is responded, and a vehicle Bluetooth controller sends identification information of a whole vehicle to a Bluetooth chip of the vehicle; the Bluetooth chip generates a Bluetooth master key according to the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key; sending the encrypted Bluetooth master key to a vehicle Bluetooth controller; after it is confirmed that the Bluetooth master key is successfully generated, obtaining an encrypted Bluetooth master key and identification information; and synchronizing the encrypted Bluetooth master key and the identification information to the cloud platform. According to the application, the generation and management security of the vehicle end master key can be effectively improved, and the risk of key leakage is reduced. Through the automatic process, potential safety hazards caused by manual operation are reduced, and the safety of data transmission and storage is improved. And the close cooperation with the Bluetooth digital key platform ensures the high efficiency and reliability of key management.

Description

Technical Field

[0001] The present application relates to the field of automobile technology, and in particular to a method, system, device and medium for managing a vehicle-side master key. Background Art

[0002] Existing in-vehicle Bluetooth digital key solutions require specific mechanisms to pre-set and manage the vehicle-side master key, but these solutions still have deficiencies in data security, key management, and interaction between the vehicle and the platform. In particular, during the generation and transmission of the master key, how to ensure the secure generation, encrypted transmission, platform storage, and update of the key is a major difficulty in the current technical field.

[0003] The following problems exist: The key generation process is not secure: The key generation process is complex and vulnerable to attacks, especially during the key transmission process, there is a risk of eavesdropping and tampering. Data synchronization between the vehicle and the platform: How to securely synchronize the keys generated by the vehicle with the cloud platform (such as the TSP platform, Bluetooth digital key platform) and ensure the uniqueness and security of the keys is still a major challenge in existing technologies. Complex key management and updates: The update and management of keys cannot be automated and involves multiple links, which increases the difficulty of management and potential security risks. Summary of the invention

[0004] Based on this, it is necessary to provide a vehicle-side master key management method, system, device and medium to address the above technical issues, which can effectively improve the generation and management security of the vehicle-side master key and reduce the risk of key leakage. Through the automated process, the security risks caused by manual operation are reduced, and the security of data transmission and storage is improved. Close cooperation with the Bluetooth digital key platform ensures efficient and reliable key management.

[0005] In a first aspect, a method for managing a vehicle-side master key is provided, comprising:

[0006] In response to the instruction to generate the Bluetooth master key, the vehicle Bluetooth controller sends the identification information of the entire vehicle to the Bluetooth chip of the vehicle, wherein the identification information includes VIN, SN and MAC;

[0007] The Bluetooth chip generates a Bluetooth master key according to the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key;

[0008] sending the encrypted Bluetooth master key to the vehicle Bluetooth controller;

[0009] After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller, obtaining the encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller;

[0010] The encrypted Bluetooth master key and identification information are synchronized to the cloud platform.

[0011] In some examples, encrypting the Bluetooth master key to obtain the encrypted Bluetooth master key includes:

[0012] The Bluetooth master key is encrypted by AES using the VIN derived key to obtain the encrypted Bluetooth master key.

[0013] In some examples, after confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller and before obtaining the encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller, the method further includes:

[0014] The vehicle Bluetooth controller receives a query request;

[0015] Confirming the generation status of the Bluetooth master key according to the query request;

[0016] Whether the Bluetooth master key is generated successfully is fed back according to the generation status.

[0017] In some examples, synchronizing the encrypted Bluetooth master key and identification information to a cloud platform includes:

[0018] Receiving the encrypted Bluetooth master key and identification information sent by the vehicle Bluetooth controller;

[0019] Uploading the encrypted Bluetooth master key and identification information to a data server;

[0020] The encrypted Bluetooth master key and identification information are synchronized to the cloud platform through the data server so that the cloud platform can save the encrypted Bluetooth master key and identification information.

[0021] In some examples, the cloud platform includes at least one of a DCP device platform, a TSP cloud platform, and a Bluetooth digital key platform.

[0022] In some examples, when the cloud platform is a Bluetooth digital key platform, after synchronizing the encrypted Bluetooth master key and identification information to the cloud platform, the method further includes:

[0023] The Bluetooth digital key platform adds a Bluetooth master key according to the filling data to complete the binding between the vehicle and the Bluetooth key.

[0024] In a second aspect, a vehicle-side master key management system is provided, including:

[0025] Vehicle Bluetooth controller and Bluetooth chip, including:

[0026] The vehicle Bluetooth controller is used to respond to the Bluetooth master key generation instruction and send the identification information of the whole vehicle to the vehicle's Bluetooth chip, wherein the identification information includes VIN, SN and MAC;

[0027] The Bluetooth chip is used to generate a Bluetooth master key according to the identification information, encrypt the Bluetooth master key to obtain an encrypted Bluetooth master key, and send the encrypted Bluetooth master key to the vehicle Bluetooth controller;

[0028] After confirming that the Bluetooth master key is generated successfully, the vehicle Bluetooth controller synchronizes the encrypted Bluetooth master key and identification information to the cloud platform.

[0029] In a third aspect, a computer device is provided, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, the steps of the method for managing the vehicle-side master key of the first aspect and any possible implementation method of the first aspect are implemented.

[0030] In a fourth aspect, a computer-readable storage medium is provided, on which a computer program is stored. When the program is executed by a processor, the steps of the method for managing the vehicle-side master key of the above-mentioned first aspect and any possible implementation method of the first aspect are implemented.

[0031] In a fifth aspect, a computer program product is provided, on which a computer program is stored. When the program is executed by a processor, the steps of the method for managing the vehicle-side master key of the above-mentioned first aspect and any possible implementation method of the first aspect are implemented.

[0032] According to the embodiment of the present application, in response to the instruction to generate the Bluetooth master key, the vehicle Bluetooth controller sends the identification information of the whole vehicle to the Bluetooth chip of the vehicle. The Bluetooth chip generates the Bluetooth master key according to the identification information, and encrypts the Bluetooth master key to obtain the encrypted Bluetooth master key. Then, the encrypted Bluetooth master key is sent to the vehicle Bluetooth controller. After the vehicle Bluetooth controller confirms that the Bluetooth master key is successfully generated, the encrypted Bluetooth master key and identification information are obtained from the vehicle Bluetooth controller. Finally, the encrypted Bluetooth master key and identification information are synchronized to the cloud platform. It can effectively improve the generation and management security of the master key of the Bluetooth digital key on the vehicle side and reduce the risk of key leakage. Through the automated process, the safety hazards caused by manual operation are reduced, and the security of data transmission and storage is improved. In addition, through close cooperation with the Bluetooth digital key platform, the efficiency and reliability of key management are ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0034] Figure 1 A flowchart of a method for managing a vehicle-side master key provided in an embodiment of the present application;

[0035] Figure 2 A structural block diagram of a vehicle-side master key management system provided in an embodiment of the present application;

[0036] Figure 3 A structural block diagram of a computer device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0037] The present application is further described in detail below in conjunction with the embodiments and drawings. It is to be understood that the specific embodiments described herein are only used to explain the relevant application, rather than to limit the application. It is also necessary to explain that, for ease of description, only the parts related to the application are shown in the drawings.

[0038] It should be noted that, in the absence of conflict, the embodiments of the present application, that is, the features of the embodiments, can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0039] The following describes in detail the vehicle-side master key management method, system, device and medium according to the embodiments of the present application in conjunction with the accompanying drawings.

[0040] Figure 1 FIG. 1 is a flow chart of a method for managing a vehicle-side master key according to an embodiment of the present application. Figure 1 As shown, the method for managing the vehicle-side master key according to an embodiment of the present application includes the following steps:

[0041] S101: In response to a Bluetooth master key generation instruction, the vehicle Bluetooth controller sends the identification information of the entire vehicle to the vehicle's Bluetooth chip, wherein the identification information includes VIN, SN and MAC.

[0042] S102: The Bluetooth chip generates a Bluetooth master key according to the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key.

[0043] In one embodiment of the present application, encrypting the Bluetooth master key to obtain the encrypted Bluetooth master key includes: using a VIN derived key to perform AES encryption on the Bluetooth master key to obtain the encrypted Bluetooth master key.

[0044] S103: Send the encrypted Bluetooth master key to the vehicle Bluetooth controller.

[0045] S104: After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller, obtaining an encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller.

[0046] In one embodiment of the present application, after confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller and before obtaining the encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller, it also includes: the vehicle Bluetooth controller receives a query request; confirms the generation status of the Bluetooth master key according to the query request; and feeds back whether the Bluetooth master key is successfully generated based on the generation status.

[0047] S105: Synchronize the encrypted Bluetooth master key and identification information to the cloud platform.

[0048] In one embodiment of the present application, the encrypted Bluetooth master key and identification information are synchronized to the cloud platform, including: receiving the encrypted Bluetooth master key and identification information sent by the vehicle Bluetooth controller; uploading the encrypted Bluetooth master key and identification information to a data server; synchronizing the encrypted Bluetooth master key and identification information to the cloud platform through the data server, so that the cloud platform can save the encrypted Bluetooth master key and identification information.

[0049] In the above description, the cloud platform includes but is not limited to at least one of a DCP device platform, a TSP cloud platform and a Bluetooth digital key platform.

[0050] For example: when the cloud platform is a Bluetooth digital key platform, the method of the embodiment of the present application also includes: after synchronizing the encrypted Bluetooth master key and identification information to the cloud platform, the Bluetooth digital key platform adds a new Bluetooth master key according to the filling data to complete the binding of the vehicle end and the Bluetooth key.

[0051] As a specific application, for example:

[0052] 1. The EOL / Tester enters the extended session and triggers the generation of the Bluetooth master key (BLEMkey);

[0053] 2. The vehicle Bluetooth controller CBCM returns to the execution state;

[0054] 3. The vehicle Bluetooth controller CBCM passes the vehicle VIN, SN, and MAC address to the Bluetooth chip;

[0055] 4. The Bluetooth chip generates BLEMkey based on the received information and uses the VIN-derived key for AES encryption to generate BLEMkey_AES;

[0056] 5. The encrypted BLEMkey_AES is returned to the vehicle Bluetooth controller CBCM through the vehicle-side Bluetooth chip;

[0057] 6. The EOL / Tester queries the vehicle Bluetooth controller CBCM for the BLEMkey generation status and confirms whether the generation is successful based on the diagnostic return code;

[0058] 7. The electrical inspection engineer EOL / Tester obtains BLEMkey_AES, VIN, SN, and MAC data;

[0059] 8. The vehicle Bluetooth controller CBCM returns relevant data information to the EOL / Tester, and the EOL / Tester uploads the data to the server;

[0060] 9. The server synchronizes the data to the DCP device platform, TSP cloud platform and Bluetooth digital key platform for permanent storage;

[0061] 10. The Bluetooth digital key platform adds a new Bluetooth master key based on the filling data to complete the binding between the vehicle and the Bluetooth key.

[0062] According to the vehicle-side master key management method of the embodiment of the present application, in response to the Bluetooth master key generation instruction, the vehicle Bluetooth controller sends the identification information of the entire vehicle to the vehicle's Bluetooth chip, the Bluetooth chip generates a Bluetooth master key based on the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key, and then sends the encrypted Bluetooth master key to the vehicle Bluetooth controller. After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller, the encrypted Bluetooth master key and identification information are obtained from the vehicle Bluetooth controller, and finally, the encrypted Bluetooth master key and identification information are synchronized to the cloud platform. It can effectively improve the generation and management security of the Bluetooth digital key vehicle-side master key and reduce the risk of key leakage. Through the automated process, the safety hazards caused by manual operation are reduced, and the security of data transmission and storage is improved. In addition, through close cooperation with the Bluetooth digital key platform, the efficiency and reliability of key management are ensured.

[0063] It has the advantage of high security. By introducing the AES encryption mechanism during the generation process, it ensures that the master key can be safely transmitted after it is generated on the vehicle side, reducing the risk of data leakage during transmission. It has the advantage of efficient key management. It adopts an automated key generation and upload mechanism to simplify the operation process, reduce manual intervention, and improve efficiency. It realizes efficient linkage with the platform. Through efficient synchronization between the platform and the vehicle side, it realizes the permanent storage and management of the key, ensuring the security of the key and the timeliness of the update.

[0064] Figure 2 FIG. 1 is a structural block diagram of a vehicle-side master key management system according to an embodiment of the present application. Figure 2As shown, according to an embodiment of the present application, a vehicle-side master key management system includes: a vehicle Bluetooth controller 210 and a Bluetooth chip 220, wherein:

[0065] The vehicle Bluetooth controller 210 is used to respond to the Bluetooth master key generation instruction and send the identification information of the whole vehicle to the vehicle Bluetooth chip 220, wherein the identification information includes VIN, SN and MAC;

[0066] The Bluetooth chip 220 is used to generate a Bluetooth master key according to the identification information, encrypt the Bluetooth master key to obtain an encrypted Bluetooth master key, and send the encrypted Bluetooth master key to the vehicle Bluetooth controller;

[0067] After confirming that the Bluetooth master key is generated successfully, the vehicle Bluetooth controller 210 synchronizes the encrypted Bluetooth master key and identification information to the cloud platform.

[0068] According to the vehicle-side master key management system of the embodiment of the present application, in response to the Bluetooth master key generation instruction, the vehicle Bluetooth controller sends the identification information of the entire vehicle to the vehicle's Bluetooth chip, the Bluetooth chip generates a Bluetooth master key based on the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key, and then sends the encrypted Bluetooth master key to the vehicle Bluetooth controller. After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller, the encrypted Bluetooth master key and identification information are obtained from the vehicle Bluetooth controller, and finally, the encrypted Bluetooth master key and identification information are synchronized to the cloud platform. It can effectively improve the generation and management security of the Bluetooth digital key vehicle-side master key and reduce the risk of key leakage. Through the automated process, the safety hazards caused by manual operation are reduced, and the security of data transmission and storage is improved. In addition, through close cooperation with the Bluetooth digital key platform, the efficiency and reliability of key management are ensured.

[0069] For the specific definition of the vehicle-side master key management system, please refer to the definition of the vehicle-side master key management method mentioned above, which will not be repeated here. The various modules of the above-mentioned vehicle-side master key management system can be implemented in whole or in part through software, hardware and their combination. The above-mentioned modules can be embedded in or independent of the processor in the computer device in the form of hardware, or stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.

[0070] In one embodiment, a computer device is provided. Figure 3 This is a block diagram of the computer device provided in the embodiment of the present application, refer to Figure 3The computer device includes a memory and a processor, wherein a computer program is stored in the memory, and the processor implements the aforementioned vehicle-side master key management method embodiment when executing the computer program. For example, the vehicle Bluetooth controller sends the vehicle identification information to the vehicle Bluetooth chip in response to a Bluetooth master key generation instruction, wherein the identification information includes VIN, SN and MAC;

[0071] The Bluetooth chip generates a Bluetooth master key according to the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key;

[0072] sending the encrypted Bluetooth master key to the vehicle Bluetooth controller;

[0073] After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller, obtaining the encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller;

[0074] The encrypted Bluetooth master key and identification information are synchronized to the cloud platform.

[0075] The embodiment of the present application also provides a computer-readable storage medium, which stores a computer program, and the processor implements the above-mentioned vehicle-side master key management method embodiment when executing the computer program. For example, in response to the Bluetooth master key generation instruction, the vehicle Bluetooth controller sends the vehicle identification information to the vehicle's Bluetooth chip, wherein the identification information includes VIN, SN and MAC;

[0076] The Bluetooth chip generates a Bluetooth master key according to the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key;

[0077] sending the encrypted Bluetooth master key to the vehicle Bluetooth controller;

[0078] After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller, obtaining the encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller;

[0079] The encrypted Bluetooth master key and identification information are synchronized to the cloud platform.

[0080] The present application embodiment provides a computer program product, which includes instructions. When the instructions are executed, the method described in the embodiment of the present application is executed. For example, it can be executed Figure 1 The various steps of the vehicle-side master key management method shown are, for example, performed as follows: in response to a Bluetooth master key generation instruction, the vehicle Bluetooth controller sends the identification information of the entire vehicle to the vehicle's Bluetooth chip, wherein the identification information includes VIN, SN, and MAC;

[0081] The Bluetooth chip generates a Bluetooth master key according to the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key;

[0082] sending the encrypted Bluetooth master key to the vehicle Bluetooth controller;

[0083] After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller, obtaining the encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller;

[0084] The encrypted Bluetooth master key and identification information are synchronized to the cloud platform.

[0085] Those of ordinary skill in the art can understand that all or part of the processes in the methods for implementing the above-mentioned embodiments can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in the present application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory or optical memory, etc. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM).

[0086] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0087] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A method for managing a vehicle-side master key, characterized in that: include: In response to the instruction to generate the Bluetooth master key, the vehicle Bluetooth controller sends the identification information of the entire vehicle to the Bluetooth chip of the vehicle, wherein the identification information includes VIN, SN and MAC; The Bluetooth chip generates a Bluetooth master key according to the identification information, and encrypts the Bluetooth master key to obtain an encrypted Bluetooth master key; sending the encrypted Bluetooth master key to the vehicle Bluetooth controller; After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller, obtaining the encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller; The encrypted Bluetooth master key and identification information are synchronized to the cloud platform.

2. The vehicle-side master key management method according to claim 1, characterized in that: The step of encrypting the Bluetooth master key to obtain the encrypted Bluetooth master key includes: The Bluetooth master key is encrypted by AES using the VIN derived key to obtain the encrypted Bluetooth master key.

3. The vehicle-side master key management method according to claim 1, characterized in that: After confirming that the Bluetooth master key is successfully generated based on the vehicle Bluetooth controller and before obtaining the encrypted Bluetooth master key and identification information from the vehicle Bluetooth controller, the method further includes: The vehicle Bluetooth controller receives a query request; Confirming the generation status of the Bluetooth master key according to the query request; Whether the Bluetooth master key is generated successfully is fed back according to the generation status.

4. The vehicle-side master key management method according to claim 1, characterized in that: The step of synchronizing the encrypted Bluetooth master key and identification information to the cloud platform includes: Receiving the encrypted Bluetooth master key and identification information sent by the vehicle Bluetooth controller; Uploading the encrypted Bluetooth master key and identification information to a data server; The encrypted Bluetooth master key and identification information are synchronized to the cloud platform through the data server so that the cloud platform can save the encrypted Bluetooth master key and identification information.

5. The vehicle-side master key management method according to claim 4, characterized in that: The cloud platform includes at least one of a DCP device platform, a TSP cloud platform and a Bluetooth digital key platform.

6. The vehicle-side master key management method according to claim 6, characterized in that: When the cloud platform is a Bluetooth digital key platform, after synchronizing the encrypted Bluetooth master key and identification information to the cloud platform, the method further includes: The Bluetooth digital key platform adds a Bluetooth master key according to the filling data to complete the binding between the vehicle and the Bluetooth key.

7. A vehicle-side master key management system, characterized in that: include: Vehicle Bluetooth controller and Bluetooth chip, including: The vehicle Bluetooth controller is used to respond to the Bluetooth master key generation instruction and send the identification information of the whole vehicle to the vehicle's Bluetooth chip, wherein the identification information includes VIN, SN and MAC; The Bluetooth chip is used to generate a Bluetooth master key according to the identification information, encrypt the Bluetooth master key to obtain an encrypted Bluetooth master key, and send the encrypted Bluetooth master key to the vehicle Bluetooth controller; After confirming that the Bluetooth master key is generated successfully, the vehicle Bluetooth controller synchronizes the encrypted Bluetooth master key and identification information to the cloud platform.

8. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the program, it implements the method for managing the vehicle-side master key according to any one of claims 1-6.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the method for managing the vehicle-side master key according to any one of claims 1-6 is implemented.

10. A computer program product having a computer program stored thereon, characterized in that: When the program is executed by a processor, the method for managing the vehicle-side master key according to any one of claims 1-6 is implemented.

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