METHOD AND DEVICE FOR CREATING A DIGITAL BLUETOOTH KEY AND STORAGE MEDIA

RU2025131412A3Pending Publication Date: 2026-06-29CHONGQING CHANGAN AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
RU · RU
Patent Type
Applications
Current Assignee / Owner
CHONGQING CHANGAN AUTOMOBILE CO LTD
Filing Date
2024-12-27
Publication Date
2026-06-29
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Claims

1. A method for creating a Bluetooth digital key, comprising the steps of in response to a first event in which the owner of the vehicle creates a first Bluetooth digital key between the first terminal device and the vehicle, generating (S101) a first Bluetooth digital key and first Bluetooth pairing information based on a first protocol to complete the creation of the first Bluetooth digital key between the first terminal device and the vehicle, where the first protocol is an open digital key protocol supported by both the operating system of the first terminal device and the communication system of the vehicle; in response to a second event in which the owner of the vehicle creates a second Bluetooth digital key between the second end device and the vehicle, generating (S102) a second Bluetooth digital key and second Bluetooth pairing information based on a second protocol to complete the creation of the second Bluetooth digital key between the second end device and the vehicle, where the second protocol is a confidential digital key protocol specified by the vehicle manufacturer that owns the vehicle; in which the broadcast type supported by the operating system of the first terminal device differs from the broadcast type supported by the operating system of the second terminal device; wherein the broadcast type supported by the first Bluetooth digital key matches the broadcast type supported by the second Bluetooth digital key.

2. The method for creating a Bluetooth digital key according to claim 1, wherein the time of first creation of the first Bluetooth digital key based on the first event is earlier than the time of first creation of the second Bluetooth digital key based on the second event.

3. The method for creating a Bluetooth digital key according to claim 2, wherein the step of responding to a first event in which the vehicle owner creates a first Bluetooth digital key between the first end device and the vehicle by generating (S101) the first Bluetooth digital key and first Bluetooth pairing information based on the first protocol to complete the creation of the first Bluetooth digital key between the first end device and the vehicle comprises a sub-step in which sending the generated first Bluetooth digital key and the generated first Bluetooth pairing information based on the first protocol to the first terminal device and the vehicle, respectively, so that the first terminal device and the vehicle perform a validation check of the first Bluetooth digital key; when it is determined that both the first terminal device and the vehicle have completed the validation of the first Bluetooth digital key, causing the first terminal device to store the first Bluetooth digital key and the first Bluetooth pairing information and determining whether this key is the first key from among the Bluetooth digital keys that is created for the vehicle for the first time, if it is the first key of the Bluetooth digital keys that is created for the vehicle for the first time, starting the vehicle to first execute the digital key protocol and switching the broadcast type in accordance with the first protocol, and then storing the first Bluetooth digital key and the first Bluetooth pairing information; if it is not the first key from among the Bluetooth digital keys that is created for the vehicle for the first time, and when the first protocol matches the broadcast type supported by the first key from among the Bluetooth digital keys, starting the vehicle to first execute the digital key protocol in accordance with the first protocol, and then storing the first Bluetooth digital key and the first Bluetooth pairing information.

4. The method for creating a Bluetooth digital key according to claim 2 or 3, wherein the step of responding to a second event in which the vehicle owner creates a second Bluetooth digital key between the second end device and the vehicle by generating (S102) a second Bluetooth digital key and second Bluetooth pairing information based on a second protocol to complete the creation of the second Bluetooth digital key between the second end device and the vehicle comprises a sub-step in which sending the generated second Bluetooth digital key and the generated second Bluetooth pairing information based on the second protocol to the second terminal device and the vehicle, respectively, so that the second terminal device and the vehicle perform a validation check of the second Bluetooth digital key; When it is determined that both the second terminal device and the vehicle have completed the validation of the second Bluetooth digital key, the second terminal device is started to store the second Bluetooth digital key and the second Bluetooth pairing information; and the vehicle is started to first perform the protocol switching of the digital key in accordance with the second protocol, and then store the second Bluetooth digital key and the second Bluetooth pairing information.

5. The method for creating a Bluetooth digital key according to claim 1, further comprising the step of in response to a third event in which a friend of the vehicle owner creates a third Bluetooth digital key between a third end device and the vehicle via a shared link from the end device of the vehicle owner, if the broadcast type supported by the operating system of the third terminal device is different from the broadcast type of the first key of the Bluetooth digital keys of the vehicle, generating a third Bluetooth digital key and a third Bluetooth pairing information based on the second protocol to complete the creation of the third Bluetooth digital key between the third terminal device and the vehicle; if the broadcast type supported by the operating system of the third terminal device matches the broadcast type of the first key of the Bluetooth digital keys of the vehicle, and the digital key protocol supported by the operating system of the third terminal device is not supported by the vehicle communication system, then generating a third Bluetooth digital key and a third Bluetooth pairing information based on the second protocol to complete the creation of the third Bluetooth digital key between the third terminal device and the vehicle; if the broadcast type supported by the operating system of the third terminal device matches the broadcast type of the first key of the Bluetooth digital keys of the vehicle, and the digital key protocol supported by the operating system of the third terminal device is supported by the vehicle communication system, then generating a third Bluetooth digital key and a third Bluetooth pairing information based on the third protocol to complete the creation of the third Bluetooth digital key between the third terminal device and the vehicle, wherein the third protocol is an open digital key protocol supported by both the operating system of the third terminal device and the vehicle communication system; wherein the broadcast type supported by the third Bluetooth digital key coincides with the broadcast type supported by the first key from among the Bluetooth digital keys; wherein the vehicle owner's terminal device is the first terminal device or the second terminal device that has previously established a connection with the vehicle on the server.

6. The method for creating a Bluetooth digital key according to claim 1, further comprising the step of deleting all Bluetooth digital keys created in the past upon detection of a change in the owner of the vehicle.

7. A method for creating a Bluetooth digital key, comprising the steps of in response to a first event in which the owner of the vehicle creates a first Bluetooth digital key between the first terminal device and the vehicle, generating (S201) a first Bluetooth digital key and first Bluetooth pairing information based on a first protocol to complete the creation of the first Bluetooth digital key between the first terminal device and the vehicle, wherein the first protocol is a confidential digital key protocol specified by the automobile manufacturer to which the vehicle belongs; in response to a second event in which the vehicle owner creates a second Bluetooth digital key between the second terminal device and the vehicle, generating (S202) a second Bluetooth digital key and second Bluetooth pairing information based on the first protocol to complete the creation of the second Bluetooth digital key between the second terminal device and the vehicle; in response to a third event in which the owner of the vehicle creates a third Bluetooth digital key between the third terminal device and the vehicle, generating (S203) a third Bluetooth digital key and second Bluetooth pairing information based on a second protocol to complete the creation of the third Bluetooth digital key between the third terminal device and the vehicle, wherein the second protocol is an open digital key protocol supported by both the operating system of the third terminal device and the communication system of the vehicle; wherein the broadcast type supported by the operating system of the first terminal device differs from the broadcast type supported by the operating system of the second terminal device; and the operating system of the third terminal device and the operating system of the first terminal device support the same broadcast type, but different digital key protocols; wherein the first Bluetooth digital key, the second Bluetooth digital key and the third Bluetooth digital key support the same broadcast type.

8. The method for creating a Bluetooth digital key according to claim 7, wherein the time of first creation of the first Bluetooth digital key based on the first event is earlier than the time of first creation of the second Bluetooth digital key based on the second event and the time of first creation of the third Bluetooth digital key based on the third event.

9. The method for creating a Bluetooth digital key according to claim 8, wherein the step of responding to a first event in which the vehicle owner creates a first Bluetooth digital key between the first end device and the vehicle by generating (S201) the first Bluetooth digital key and first Bluetooth pairing information based on the first protocol to complete the creation of the first Bluetooth digital key between the first end device and the vehicle comprises a sub-step in which sending the generated first Bluetooth digital key and the generated first Bluetooth pairing information based on the first protocol to the first terminal device and the vehicle, respectively, so that the first terminal device and the vehicle perform a validation check of the first Bluetooth digital key; when it is determined that both the first terminal device and the vehicle have completed the validation of the first Bluetooth digital key, the first terminal device is started to store the first Bluetooth digital key and the first Bluetooth pairing information, and the vehicle is started to first execute the digital key protocol and switch the broadcast type in accordance with the first protocol, and then store the first Bluetooth digital key and the first Bluetooth pairing information.

10. The method for creating a Bluetooth digital key according to claim 8 or 9, wherein the step of responding to a second event in which the vehicle owner creates a second Bluetooth digital key between the second end device and the vehicle by generating (S202) a second Bluetooth digital key and second Bluetooth pairing information based on the first protocol to complete the creation of the second Bluetooth digital key between the second end device and the vehicle comprises a sub-step in which sending the generated second Bluetooth digital key and the generated second Bluetooth pairing information based on the first protocol to the second terminal device and the vehicle, respectively, so that the second terminal device and the vehicle perform a validation check of the second Bluetooth digital key; when it is determined that both the second terminal device and the vehicle have completed the validation of the second Bluetooth digital key, starting the second terminal device to store the second Bluetooth digital key and the second Bluetooth pairing information; and starting the vehicle to store the second Bluetooth digital key and the second Bluetooth pairing information.

11. The method for creating a Bluetooth digital key according to claim 10, wherein the step of responding to a third event in which the vehicle owner creates a third Bluetooth digital key between a third end device and the vehicle by generating (S203) a third Bluetooth digital key and second Bluetooth pairing information based on a second protocol to complete the creation of the third Bluetooth digital key between the third end device and the vehicle comprises a sub-step in which sending the generated third Bluetooth digital key and the generated third Bluetooth pairing information based on the second protocol to the third terminal device and the vehicle, respectively, so that the third terminal device and the vehicle perform a validation check of the third Bluetooth digital key; When it is determined that both the third terminal device and the vehicle have completed the validation of the third Bluetooth digital key, the third terminal device is started to store the third Bluetooth digital key and the third Bluetooth pairing information based on the second protocol; and the vehicle is started to first perform the protocol switching of the digital key in accordance with the second protocol, then storing the third Bluetooth digital key and the third Bluetooth pairing information based on the second protocol.

12. The method for creating a Bluetooth digital key according to claim 7, further comprising the step of in response to a fourth event in which a friend of the vehicle owner creates a fourth Bluetooth digital key between a fourth end device and the vehicle via a shared link from the end device of the vehicle owner; if the broadcast type supported by the operating system of the fourth terminal device is different from the broadcast type of the first key of the Bluetooth digital keys of the vehicle, generating a fourth Bluetooth digital key and a fourth Bluetooth pairing information based on the first protocol to complete the creation of the fourth Bluetooth digital key between the fourth terminal device and the vehicle; if the broadcast type supported by the operating system of the fourth terminal device matches the broadcast type of the first key of the Bluetooth digital keys of the vehicle, and the digital key protocol supported by the operating system of the fourth terminal device is not supported by the vehicle communication system, then generating a fourth Bluetooth digital key and a fourth Bluetooth pairing information based on the first protocol to complete the creation of the fourth Bluetooth digital key between the fourth terminal device and the vehicle; if the broadcast type supported by the operating system of the fourth terminal device matches the broadcast type of the first key of the Bluetooth digital keys of the vehicle, and the digital key protocol supported by the operating system of the fourth terminal device is supported by the vehicle communication system, then generating a fourth Bluetooth digital key and a fourth Bluetooth pairing information based on a third protocol to complete the creation of a fourth Bluetooth digital key between the fourth terminal device and the vehicle, wherein the third protocol is an open digital key protocol supported by both the operating system of the fourth terminal device and the vehicle communication system; wherein the broadcast type supported by the fourth Bluetooth digital key coincides with the broadcast type supported by the first key from among the Bluetooth digital keys; wherein the vehicle owner's terminal device is the first terminal device, the second terminal device or the third terminal device that has previously established a connection with the vehicle on the server.

13. The method for creating a Bluetooth digital key according to claim 7, further comprising the step of deleting all Bluetooth digital keys created in the past upon detection of a change in the owner of the vehicle.

14. A Bluetooth digital key generation device comprising: a first creation module configured to, in response to a first event in which the owner of the vehicle creates a first Bluetooth digital key between the first terminal device and the vehicle, generate a first Bluetooth digital key and first Bluetooth pairing information based on a first protocol to complete the creation of the first Bluetooth digital key between the first terminal device and the vehicle, wherein the first protocol is an open digital key protocol supported by both the operating system of the first terminal device and the communication system of the vehicle; a second creation module configured to, in response to a second event in which the vehicle owner creates a second Bluetooth digital key between the second end device and the vehicle, generate a second Bluetooth digital key and second Bluetooth pairing information based on a second protocol to complete the creation of the second Bluetooth digital key between the second end device and the vehicle, wherein the second protocol is a confidential digital key protocol specified by the vehicle manufacturer; in which the broadcast type supported by the operating system of the first terminal device differs from the broadcast type supported by the operating system of the second terminal device; wherein the broadcast type supported by the first Bluetooth digital key matches the broadcast type supported by the second Bluetooth digital key.

15. A Bluetooth digital key generation device comprising: a first creation module configured to, in response to a first event in which the owner of the vehicle creates a first Bluetooth digital key between the first end device and the vehicle, generate a first Bluetooth digital key and first Bluetooth pairing information based on a first protocol to complete the creation of the first Bluetooth digital key between the first end device and the vehicle, wherein the first protocol is a confidential digital key protocol specified by the vehicle manufacturer to which the vehicle belongs; a second creation module configured to, in response to a second event in which the vehicle owner creates a second Bluetooth digital key between the second end device and the vehicle, generate a second Bluetooth digital key and second Bluetooth pairing information based on the first protocol to complete the creation of the second Bluetooth digital key between the second end device and the vehicle; a third creation module configured to, in response to a third event in which the owner of the vehicle creates a third Bluetooth digital key between the third end device and the vehicle, generate a third Bluetooth digital key and second Bluetooth pairing information based on a second protocol to complete the creation of the third Bluetooth digital key between the third end device and the vehicle, wherein the second protocol is an open digital key protocol supported by both the operating system of the third end device and the communication system of the vehicle; wherein the broadcast type supported by the operating system of the first terminal device differs from the broadcast type supported by the operating system of the second terminal device; and the operating system of the third terminal device and the operating system of the first terminal device support the same broadcast type, but different digital key protocols; wherein the first Bluetooth digital key, the second Bluetooth digital key and the third Bluetooth digital key support the same broadcast type.

16. A Bluetooth digital key generation device comprising: CPU; memory capable of storing commands executed by the processor; wherein the processor is configured to perform the steps of the method for creating a Bluetooth digital key according to any of paragraphs 1-6 or the steps of the method for creating a Bluetooth digital key according to any of paragraphs 7-13.

17. A machine-readable storage medium on which computer program commands are stored, wherein, when the program commands are executed by the processor, the steps of the method for creating a Bluetooth digital key according to any of paragraphs 1-6 or the steps of the method for creating a Bluetooth digital key according to any of paragraphs 7-13 are implemented.