TWI699095B - Bluetooth pairing method and electronic system - Google Patents

Abstract

The disclosure provides a Bluetooth pairing method and an electronic system. The electronic system includes an electronic device and a Bluetooth device. The method includes: transmitting, by the Bluetooth device, a first pairing request to the electronic device during a pairing process in which the Bluetooth device is paired with the electronic device, wherein the first pairing request includes a serial number of the Bluetooth device; and in response to the electronic device determining the first pairing request is encrypted by a first key, the electronic device and the Bluetooth device cooperate to perform a re-pairing operation to re-establish a Bluetooth connection between the electronic device and the Bluetooth device, wherein the first key is previously assigned by the electronic device to the Bluetooth device based on other pairing request from the Bluetooth device.

Description

Bluetooth pairing method and electronic system

The present invention relates to a Bluetooth communication technology, and particularly relates to a Bluetooth pairing method and electronic system.

In the prior art, when two devices with Bluetooth connections between each other leave the transmission range of the other, the Bluetooth pairing relationship between the two devices will become invalid until the two devices return to the transmission range of the other. Can perform Bluetooth pairing again. However, in the process of re-pairing the Bluetooth of the above-mentioned device, in addition to the need to reset the settings, the previously interrupted work cannot be continued (for example, it cannot automatically play music, etc.).

In view of this, the present invention provides a Bluetooth pairing method and electronic system, which can be used to solve the above technical problems.

The invention provides a Bluetooth pairing method suitable for an electronic system including an electronic device and a Bluetooth device. The method includes: in a pairing process of the Bluetooth device and the electronic device, sending a first pairing request from the Bluetooth device to the electronic device, wherein the first pairing request includes a serial number of the Bluetooth device; A pairing request is encrypted by a first key, and the electronic device and the Bluetooth device perform a re-pairing operation in cooperation to re-establish a Bluetooth connection between the electronic device and the Bluetooth device, wherein the first key is from the electronic device Previously assigned to Bluetooth devices based on other pairing requests from Bluetooth devices.

The invention provides an electronic system including a Bluetooth device and an electronic device. During a pairing process of the Bluetooth device and the electronic device, the Bluetooth device sends a first pairing request to the electronic device, where the first pairing request includes a serial number of the Bluetooth device. In response to the electronic device determining that the first pairing request is encrypted by a first key, the electronic device and the Bluetooth device cooperate to perform a re-pairing operation to re-establish a Bluetooth connection between the electronic device and the Bluetooth device. The key is previously assigned to the Bluetooth device by the electronic device based on other pairing requests from the Bluetooth device.

Based on the above, the method proposed by the present invention allows the electronic device to determine whether the first pairing request from the Bluetooth device is encrypted, so as to know whether the electronic device has ever been paired with the Bluetooth device. If the electronic device determines that the first pairing request is encrypted with the first key previously assigned to the Bluetooth device, the electronic device can correspondingly cooperate with the Bluetooth device to automatically perform a re-pairing operation without the need for the user to make additional settings.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

Please refer to FIG. 1, which is a schematic diagram of an electronic system according to an embodiment of the present invention. In this embodiment, the electronic system 100 may include a Bluetooth device 110 and an electronic device 120. In different embodiments, the Bluetooth device 110 may be a Bluetooth headset, a smart watch, a Bluetooth keyboard, a Bluetooth speaker, a Bluetooth mouse, or other devices that can be paired with the electronic device 120 to establish a Bluetooth connection. In addition, the electronic device 120 may be a smart phone, a tablet computer, a notebook computer, a personal computer, or other devices that can be paired with the Bluetooth device 110 to establish a Bluetooth connection.

In the embodiment of the present invention, both the Bluetooth device 110 and the electronic device 120 may include components such as a communication unit, a storage circuit, and a processor. The communication unit is, for example, a Bluetooth communication module, which can be used in the Bluetooth device 110 and the electronic device. Bluetooth communication between 120. The storage circuit is, for example, a memory, a hard disk, or any other component that can be used to store data, and can be used to record multiple codes or modules.

The processor can be coupled to the storage circuit, and can be a general purpose processor, a special purpose processor, a traditional processor, a digital signal processor, multiple microprocessors, one or more combined digital signal processor cores Microprocessors, controllers, microcontrollers, Application Specific Integrated Circuits (ASIC), Field Programmable Gate Array (FPGA), any other types of integrated circuits, state machines , Processors based on Advanced RISC Machine (ARM) and similar products.

In the embodiment of the present invention, the Bluetooth device 110 and the electronic device 120 can cooperate to execute the Bluetooth pairing method proposed in the embodiment of the present invention, which will be described in detail below.

Please refer to FIG. 2, which is a flowchart of a Bluetooth pairing method according to an embodiment of the present invention. The method of this embodiment can be executed by the electronic system 100 in FIG. 1. The details of each step are described below in conjunction with the components shown in FIG.

First, in step S210, during the pairing process of the Bluetooth device 110 and the electronic device 120, the Bluetooth device 110 may send a first pairing request PR to the electronic device 120, where the first pairing request PR may include the serial number of the Bluetooth device 110. Specifically, in the prior art, when two devices want to perform Bluetooth pairing, one of the devices can send a pairing request to the other device, and the aforementioned pairing request will generally include the following fields: frame control , Receiver media access control (MAC) address, sender MAC address, access point MAC address, sequence control (sequence control), frame body, frame check sequence ( frame check sequence, FCS), etc., but does not include the serial number of the Bluetooth device 110.

However, in the embodiment of the present invention, the Bluetooth device 110 may add its serial number to the first pairing request PR, and send it to the electronic device 120 together with the above-mentioned fields and other information, so as to use the first pairing request PR as the Bluetooth device. Voucher use.

In one embodiment, if the electronic device 120 receives the first pairing request PR from the Bluetooth device 110 for the first time (that is, the Bluetooth device 110 is trying to perform Bluetooth pairing with the electronic device 120 for the first time), the electronic device 120 can correspondingly pair the Bluetooth The device 110 assigns a first key so that the Bluetooth device 110 can use the first key to encrypt subsequent Bluetooth data/packets, such as the pairing sent by the Bluetooth device 110 when it retrying to pair with the electronic device 110. Request (ie, Bluetooth credentials). In this way, the probability of these Bluetooth data/packets being intercepted or stolen can be reduced.

In other words, the electronic device 120 can determine whether the Bluetooth device 110 has been paired with the electronic device 120 by Bluetooth by determining whether the first pairing request PR is encrypted.

Therefore, in step S220, the electronic device 120 may determine whether the first pairing request PR is encrypted. In an embodiment, the electronic device 120 may specifically determine whether the electronic device 120 is encrypted by the first key after determining that the first pairing request PR is encrypted. If so, it means that the Bluetooth device 110 and the electronic device 120 have been paired with Bluetooth. Therefore, in step S230, the electronic device 110 and the Bluetooth device 120 can perform a re-pairing operation in cooperation to re-establish a Bluetooth connection between the electronic device 120 and the Bluetooth device 110, and the details of the re-pairing operation will be described later. .

On the other hand, if the electronic device 120 determines that the first pairing request PR is not encrypted, it means that the Bluetooth device 110 may have attempted to perform Bluetooth pairing with the electronic device 120 for the first time, or has performed Bluetooth pairing, but related to this Bluetooth pairing record It is deleted for some reason (for example, the electronic device 120 has been damaged). Therefore, in step S240, the electronic device 120 can determine whether there is a bad record associated with the Bluetooth device 110. In different embodiments, the aforementioned bad record may include, for example, the damage done by the Bluetooth device 110 to the electronic device 120, such as whether the electronic device 120 was poisoned or crashed, but it is not limited to this.

If the electronic device 120 determines that there is a bad record associated with the Bluetooth device 110, then in step S280, the electronic device 120 may provide a pairing rejection message and stop the pairing process. In one embodiment, the electronic device 120 may display the aforementioned pairing rejection message to the user, and provide the related bad record of the Bluetooth device 110 for the user's reference, but it is not limited to this.

On the other hand, if the electronic device 120 determines that there is no bad record associated with the Bluetooth device 110, then in step S250, the electronic device 120 may establish a specific container for Bluetooth transmission with the Bluetooth device 110. In different embodiments, the above-mentioned specific container is, for example, appropriate hardware and operating system resources allocated by the electronic device 120 to the Bluetooth device 110, which may be implemented as a virtual machine, actual storage space, Docker or Snapshot, but may not be limited thereto.

In one embodiment, the primary key of the aforementioned specific container can be set by the electronic device 120 as the serial number of the Bluetooth device 110 and the Bluetooth MAC address (for example, the MAC address of the Bluetooth communication module in the Bluetooth device 110), but The present invention may not be limited to this. In other embodiments, the electronic device 120 may also generate the main key of the specific container based on other information associated with the Bluetooth device 110. Since the electronic device 120 may store containers corresponding to different Bluetooth devices, when the electronic device 120 wants to search for a specific container corresponding to the Bluetooth device 120, it can search based on the above-mentioned main keys, but the invention is not limited to this.

Thereafter, in step S260, the electronic device 120 may generate a response packet, where the response packet may include the second key corresponding to the Bluetooth device 120. Then, in step S270, the electronic device 120 may transmit the above-mentioned response packet to the Bluetooth device 110 to notify the Bluetooth device 110 that the pairing process has been completed. In this way, when the Bluetooth device 120 needs to re-establish a Bluetooth connection with the electronic device 120 in the future, the second key can be used to encrypt the pairing request (that is, the Bluetooth certificate) sent at the moment. In this case, when the electronic device 120 receives the pairing request encrypted by the second key, it can know that it has previously performed Bluetooth pairing with the Bluetooth device 110, so it can perform the re-pairing operation accordingly (ie, step S230 ).

It can be seen from the above that the method proposed by the present invention allows the electronic device to determine whether the first pairing request from the Bluetooth device is encrypted, so as to know whether the electronic device has ever been paired with the Bluetooth device. If not, the electronic device can perform the first Bluetooth pairing with the Bluetooth device after determining that the Bluetooth device does not have a bad record (for example, creating a specific container and generating a second key). On the other hand, if the electronic device determines that the first pairing request is encrypted (with the first key previously assigned to the Bluetooth device), the electronic device can correspondingly cooperate with the Bluetooth device to perform the following re-pairing operation.

Please refer to FIG. 3, which is a flowchart of the re-pairing operation shown in FIG. 2. The process of this embodiment can be executed by the electronic system 100 in FIG. 1. The details of each step are described below with the components shown in FIG. 1.

In this embodiment, the Bluetooth device 110 can record a block list and a detection list. The block list and the detection list will separately record certain electronic devices, and the Bluetooth device 110 will only be allowed and recorded in the detection list. Pair the electronic devices in. In other words, even if one or more specific electronic devices recorded in the blocking list are currently within the transmission range of the Bluetooth device 110, the Bluetooth device 110 will not attempt to perform Bluetooth pairing with these specific electronic devices. In one embodiment, when these specific electronic devices leave and re-enter the transmission range of the Bluetooth device 110, the Bluetooth device 110 can move these specific electronic devices from the blocking list to the detection list, and are allowed to try to interact with these specific electronic devices. A specific electronic device performs Bluetooth pairing, but the invention is not limited to this. The principle of editing the blocking list for the Bluetooth device 110 will be explained separately below.

In this embodiment, it is assumed that the electronic device 120 is recorded in the detection list by the Bluetooth device 110, so the Bluetooth device 110 is allowed to try to establish a Bluetooth pairing with the electronic device 120. Therefore, after step S220, in step S310, the electronic device 120 may generate a third key based on the key configuration file, and send the third key to the Bluetooth device 110. In one embodiment, the key configuration file may include historical operation information previously stored by the Bluetooth device 110 in a specific container of the electronic device 120, such as a list of unclosed programs that the Bluetooth device 110 previously operated in the specific container, The cumulative number of times the Bluetooth device 110 uses a specific container, the end time of pairing between the Bluetooth device 110 and the electronic device 120, the memory content and hard disk content previously allocated to the Bluetooth device 110, but not limited to this.

Then, in step S320, the Bluetooth device 110 may parse the third key to obtain historical operation information, such as the above-mentioned list of unclosed programs. In one embodiment, the Bluetooth device 110 can dump the third key (dump) into a file based on OpenSSL or other similar software library packages, and the content of this file will be substantially the same as that maintained by the electronic device 120 The above key configuration file. In this way, the Bluetooth device 110 can obtain the aforementioned historical information, but the invention is not limited to this.

In an embodiment, the Bluetooth device 110 may also determine whether it receives any key from the electronic device 120 first. If not, the Bluetooth device 110 can determine whether to perform the first Bluetooth pairing with the electronic device 120 according to whether the user needs to perform Bluetooth pairing with the electronic device 120, but the present invention is not limited to this.

After that, in step S330, the Bluetooth device 110 can determine whether the historical operation information meets a preset condition. In one embodiment, if the list of unclosed programs is blank, it means that the Bluetooth device 110 has no unclosed programs/unfinished tasks on the specific container. In this case, the Bluetooth device 110 can determine that the historical operation information does not meet the preset condition, but the invention is not limited to this. In this case, the Bluetooth device 110 can ask the user whether they want to pair with the electronic device 120 in step S340, if so, continue to perform step S350, otherwise, the re-pairing operation is ended, but the invention is not limited to this.

On the other hand, if the list of unclosed programs is not blank, the Bluetooth device 110 can determine that the historical operation information meets the preset condition, but the present invention is not limited to this. In detail, if the list of unclosed programs is not blank, it means that the Bluetooth device 110 has previously run certain programs/tasks on a specific container, but the Bluetooth connection between it and the electronic device 120 may be interrupted for some reason, so The aforementioned programs/tasks are also interrupted accordingly. In this case, the Bluetooth device 110 may perform step S350 accordingly.

In step S350, the Bluetooth device 110 may send a second pairing request encrypted with the third key to the electronic device 120. For details of this step, please refer to the description of the first pairing request PR in the previous embodiment, which will not be repeated here.

Then, in step S360, the Bluetooth device 110 can determine whether the user cancels the current Bluetooth pairing. If yes, it means that the user may not want to allow the Bluetooth device 110 to perform Bluetooth pairing with the electronic device 120 temporarily, so the Bluetooth device 110 may continue to add the electronic device 120 to the blocking list in step S361. In one embodiment, the Bluetooth device 110 can add a packet from the electronic device 120 to the blocking list, thereby knowing that the packet corresponds to the electronic device 120 based on the MAC address of the sender in the packet, but it is not limited to this.

As mentioned earlier, in one embodiment, after the electronic device 120 is added to the blocking list, the Bluetooth device 110 is not allowed to perform Bluetooth pairing with the electronic device 120 at the moment, until the electronic device 120 leaves and returns to the Bluetooth device 110 During the transmission range, the Bluetooth device 110 can move the electronic device 120 from the blocking list to the detection list, and then is allowed to perform Bluetooth pairing with the electronic device 110. In this way, the Bluetooth device 110 can be prevented from repeatedly trying to perform Bluetooth pairing with the electronic device 120 against the user's will.

On the other hand, if the Bluetooth device 110 determines in step S360 that the current pairing operation has not been cancelled, then the electronic device 120 can continue to parse the second pairing request based on the third key in step S370 to obtain the master corresponding to the Bluetooth device 110 key. As mentioned in the previous embodiment, the main key corresponding to the Bluetooth device 110 can be set to the serial number of the Bluetooth device 110 and the Bluetooth MAC address (for example, the MAC address of the Bluetooth communication module in the Bluetooth device 110), and Such information can be obtained by the electronic device 120 from the second pairing request, but it is not limited to this.

After that, in step S380, the electronic device 120 can find the specific container based on the main key, and enable the specific container. In one embodiment, when the Bluetooth connection between the Bluetooth device 110 and the electronic device 120 was previously interrupted for some reason, the electronic device 120 can disable the specific container and set the current operation information of the Bluetooth device 110 in the specific container Record it and use it to update the above key configuration file. In different embodiments, the aforementioned current operation information may include a list of unclosed programs, the cumulative number of times the Bluetooth device 110 uses a specific container, the end time of pairing between the Bluetooth device 110 and the electronic device 120, and the memory allocated to the Bluetooth device 110 Content and hard disk content, but not limited to this. In one embodiment, the current operation information recorded in the key configuration file can be regarded as the historical operation information of the next re-pairing operation between the Bluetooth device 110 and the electronic device 120, and related details will be described later. Therefore, when the Bluetooth device 110 is paired with the electronic device 120 again, the electronic device 120 can enable the (originally disabled) specific container. In addition, in an embodiment, the electronic device 120 can dump the memory content and the hard disk content allocated to the Bluetooth device 110 into a specific container file for later access, but it is not limited to this.

In an embodiment, if the electronic device 120 cannot find the container corresponding to the Bluetooth device 110, the electronic device 120 can further determine whether the Bluetooth device 110 has a bad record, and if so, the pairing operation can be stopped after step S380, and Notify the Bluetooth device 110. Conversely, if the Bluetooth device 110 does not have a bad record, the electronic device 120 attempts to establish a new Bluetooth connection with the Bluetooth device 110. For related details, please refer to the description in the previous embodiment, and will not be repeated here.

In step S390, the electronic device 120 may set a specific container based on the historical operation information in the key configuration file. In one embodiment, the historical operation information may include the previous list of unclosed programs, the cumulative number of times the Bluetooth device 110 uses a specific container, the end time of the pairing between the Bluetooth device 110 and the electronic device 120, and the previously assigned Bluetooth device 110 Memory content and hard disk content, etc. In one embodiment, the electronic device 120 can rewrite the memory content previously allocated to the Bluetooth device back to the memory address range used by the specific container, so that the user can continue to perform previously unfinished tasks.

After that, in step S391, the electronic device 120 may notify the Bluetooth device 110 that the re-pairing operation has been completed.

It can be seen from the above that the method of the present invention can prevent the Bluetooth device 110 from repeatedly performing Bluetooth pairing with certain electronic devices against the user's wishes based on the blocking list. In addition, the Bluetooth device 110 may try to perform Bluetooth pairing with the electronic device 120 when determining that the historical operation information meets a preset condition (for example, the list of unclosed programs is not empty). Correspondingly, the electronic device 120 can find the specific container previously allocated to the Bluetooth device 110 based on the main key corresponding to the Bluetooth device 110, and enable it based on historical operation information (for example, the memory to which the Bluetooth device 110 was previously allocated) Body content and hard disk content, etc.). In this way, the user can directly continue the previously unfinished work without additional settings (such as re-entering the PIN code, etc.).

Please refer to FIG. 4, which is a flowchart of the operation performed when the Bluetooth connection is interrupted according to an embodiment of the present invention. In this embodiment, when the Bluetooth connection between the Bluetooth device 110 and the electronic device 120 is interrupted, in step S410, the electronic device 120 can accumulate the number of times the Bluetooth device 110 uses a specific container. Then, in step S420, the electronic device 120 can determine whether there is an unclosed program in the specific container. If not, the electronic device 120 may clear the unclosed program list in step S430, otherwise, it may update the unclosed program list in step S440 according to the above unclosed programs. After that, in step S450, the electronic device 120 may update the pairing end time between the Bluetooth device 110 and the electronic device 120.

Then, in step S460, the electronic device 120 can update the key configuration file based on the current operation information (ie, the number of uses, the list of unclosed programs, and the pairing end time, etc.). In this way, when the electronic device 120 enters the transmission range of the Bluetooth device 110 again, the electronic device 120 can generate a new key based on the above key configuration file, and send the new key to the Bluetooth device 110 to The Bluetooth device 110 can use the new key to encrypt the packet/pairing request in the future, and the details will not be repeated here.

In summary, the method proposed by the present invention allows the electronic device to determine whether the first pairing request from the Bluetooth device is encrypted, so as to know whether the electronic device has been paired with the Bluetooth device. If not, the electronic device can perform the first Bluetooth pairing with the Bluetooth device after determining that the Bluetooth device has no bad record. On the other hand, if the electronic device determines that the first pairing request is encrypted by the first key, the electronic device can correspondingly cooperate with the Bluetooth device to perform related re-pairing operations.

In addition, the method of the present invention can prevent the Bluetooth device from repeatedly performing Bluetooth pairing with certain electronic devices against the user's wishes based on the blocking list. In addition, the Bluetooth device can try to perform Bluetooth pairing with the electronic device when determining that the historical operation information meets the preset conditions (for example, the list of unclosed programs is not empty). Correspondingly, the electronic device can find out the specific container previously allocated to the Bluetooth device, and set it based on the previous historical operation information. In this way, the electronic device can be paired with the Bluetooth device with unfinished tasks first, so that the user can directly continue to perform the previously unfinished tasks without additional settings.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make slight changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to those defined by the attached patent scope.

100: electronic system 110: Bluetooth device 120: electronic device S210~S280, S310~S391, S410~S460: steps PR: First pairing request

FIG. 1 is a schematic diagram of an electronic system according to an embodiment of the invention. Fig. 2 is a flowchart of a Bluetooth pairing method according to an embodiment of the present invention. FIG. 3 is a flowchart of the re-pairing operation shown in FIG. 2. FIG. 4 is a flowchart of operations performed when the Bluetooth connection is interrupted according to an embodiment of the present invention.

S210~S280: steps

Claims (12)

A Bluetooth pairing method is suitable for an electronic system including an electronic device and a Bluetooth device. The method includes: in a pairing process of the Bluetooth device and the electronic device, sending a first pairing request from the Bluetooth device To the electronic device, wherein the first pairing request includes a serial number of the Bluetooth device; and in response to the electronic device determining that the first pairing request is encrypted by a first key, the electronic device and the Bluetooth device are executed cooperatively A re-pairing operation to re-establish a Bluetooth connection between the electronic device and the Bluetooth device, wherein the first key is previously assigned to the Bluetooth device by the electronic device based on other pairing requests from the Bluetooth device , Wherein the step of performing the re-pairing operation cooperatively by the electronic device and the Bluetooth device includes: generating a third key from the electronic device based on a key configuration file, and sending the third key to the Bluetooth device , Wherein the key configuration file includes at least one historical operation information previously stored by the Bluetooth device in a specific container of the electronic device, and the specific container has a corresponding primary key; the third key is analyzed by the Bluetooth device Key to obtain the at least one historical operation information; in response to determining that the at least one historical operation information meets a preset condition, the Bluetooth device sends a second pairing request encrypted with the third key to the electronic device; The electronic device parses the second pairing request based on the third key to obtain the main key corresponding to the Bluetooth device; The electronic device finds the specific container based on the main key, and enables the specific container; the electronic device sets the specific container based on the at least one historical operation information in the key configuration file; and notifies the Bluetooth device The re-pairing operation has been completed. The method described in item 1 of the scope of patent application, wherein the electronic device determines that the first pairing request is not encrypted, and the method further includes: determining by the electronic device whether there is a bad record associated with the Bluetooth device , Wherein the bad record indicates that the Bluetooth device has performed at least one damage to the electronic device; in response to determining that the bad record of the Bluetooth device does not exist, the electronic device establishes a Bluetooth transmission with the Bluetooth device A specific container; a response packet generated by the electronic device, wherein the response packet includes a second key corresponding to the Bluetooth device; and the electronic device transmits the response packet to the Bluetooth device to notify the Bluetooth device that Complete the pairing process. The method described in item 2 of the scope of patent application, wherein the specific container has a main key, and the main key is the computer device with the serial number of the Bluetooth device and a Bluetooth media access control address of the Bluetooth device as The main key. For the method described in claim 1, wherein the at least one historical operation information includes an unclosed process of the Bluetooth device previously operating in the specific container If the list of unclosed programs is not blank, the Bluetooth device determines that the at least one historical operation information meets the preset condition. According to the method described in claim 1, wherein the Bluetooth device records a block list and a detection list, and the method further includes: responding to the cancellation of the re-pairing operation, the Bluetooth device uses the electronic device Recorded in the block list; and in response to determining that the electronic device enters a transmission range of the Bluetooth device again, the Bluetooth device moves the electronic device from the block list to the detection list, wherein the Bluetooth device Only allowed to pair with devices recorded in the detection list. For example, the method described in item 1 of the scope of patent application further includes: responding to the failure to find the container corresponding to the Bluetooth device based on the main key, the electronic device determines whether there is a bad record associated with the Bluetooth device, wherein the The bad record indicates that the Bluetooth device has performed at least one damage to the electronic device; and in response to determining that the bad record of the Bluetooth device does not exist, the electronic device and the Bluetooth device cooperate to establish a new Bluetooth connection. The method described in item 6 of the scope of patent application, wherein in response to determining that there is the bad record of the Bluetooth device, the method further includes: providing a pairing rejection message from the electronic device, and suspending the pairing process. According to the method described in claim 1, wherein the specific container includes at least one of a virtual machine, a storage space, Docker, and Snapshot allocated to the Bluetooth device by the electronic device. For example, the method described in claim 1 further includes: in response to the disconnection of the Bluetooth connection, recording at least one current operation information of the specific container by the electronic device; A part of the current operation information updates the key configuration file and disables the specific container. Such as the method described in item 9 of the scope of patent application, wherein the part of the at least one current operation information includes a cumulative usage count of the Bluetooth device using the specific container, a list of unclosed programs, and a pairing end of the Bluetooth connection time. For the method described in claim 9, wherein the at least one current operation information includes a memory content and a hard disk content to which the Bluetooth container is allocated, and the electronic device records the at least one of the specific container The current operation information steps include: dumping the memory content and the hard disk content into a specific container file by the electronic device. An electronic system includes: a Bluetooth device; and an electronic device, Wherein, in a pairing process in which the Bluetooth device is paired with the electronic device, the Bluetooth device sends a first pairing request to the electronic device, wherein the first pairing request includes a serial number of the Bluetooth device; and responds to the electronic device. The device determines that the first pairing request is encrypted by a first key, the electronic device and the Bluetooth device perform a re-pairing operation in cooperation to re-establish a Bluetooth connection between the electronic device and the Bluetooth device, wherein the The first key is previously assigned to the Bluetooth device by the electronic device based on other pairing requests from the Bluetooth device, wherein the electronic device generates a third key based on a key configuration file, and combines the third key The key is sent to the Bluetooth device, wherein the key configuration file includes at least one historical operation information previously stored by the Bluetooth device in a specific container of the electronic device, and the specific container has a corresponding main key. The device parses the third key to obtain the at least one historical operation information, in response to determining that the at least one historical operation information meets a preset condition, the Bluetooth device sends a second pairing request encrypted with the third key to the An electronic device that parses the second pairing request based on the third key to obtain the main key corresponding to the Bluetooth device, the electronic device finds the specific container based on the main key, and enables the specific container, The electronic device sets the specific container based on the at least one historical operation information in the key configuration file, and the electronic device notifies the Bluetooth device that the re-pairing operation has been completed.

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