WO2017076269A1

WO2017076269A1 - Smart device, and method and apparatus for establishing bluetooth connection between devices therefor

Info

Publication number: WO2017076269A1
Application number: PCT/CN2016/104195
Authority: WO
Inventors: 翟岳辉
Original assignee: 国民技术股份有限公司
Priority date: 2015-11-03
Filing date: 2016-11-01
Publication date: 2017-05-11
Also published as: TW201717595A; CN107006049A; TWI634771B

Abstract

The present invention relates to a smart device, and a method and an apparatus for establishing Bluetooth connection between devices therefor. The method for establishing a Bluetooth connection between devices comprises: acquiring matching parameters of a target Bluetooth device; turning on a self Bluetooth module; starting a scanning function of the Bluetooth module; and after the target Bluetooth device that matches the acquired matching parameters is scanned out, stopping the scanning function of the Bluetooth module, and establishing Bluetooth connection, the matching parameters comprising a parameter uniquely corresponding to the target Bluetooth device, a pairing code, a Bluetooth name of the target Bluetooth device or service matching filter rule parameter information. The apparatus for establishing Bluetooth connection for the smart device is used for implementing operation, completed by the smart device or an initiator, in the method for establishing the Bluetooth connection between devices. The present invention does not limit preset connection information, thereby expanding a channel for acquiring Bluetooth matching parameters; and by first acquiring the matching parameters of a target Bluetooth device, the target Bluetooth device discovery efficiency is higher.

Description

Intelligent device and method and device for establishing Bluetooth connection between devices

Technical field

The present invention relates to the field of Bluetooth communications, and in particular, to a smart device and a method and apparatus for establishing a Bluetooth connection.

Background technique

With the development of Internet technologies, especially the mobile Internet and the Internet of Things, there is an increasing demand for connection and communication with smart devices such as smart phones and smart cards around the environment. Among them, Bluetooth communication technology, especially low-power Bluetooth communication technology has become an important communication method. At present, when a smart device establishes a Bluetooth connection, it generally needs to scan and display the surrounding Bluetooth devices to the user, and the user selects the Bluetooth device to be connected to perform the connection operation. However, as the number of devices supporting Bluetooth communication increases, the smart device usually scans out the surrounding Bluetooth devices, and the smart device will provide the user with a long list of peripheral Bluetooth devices, which makes it difficult for the user to correctly select the target Bluetooth device.

In order to establish a more accurate connection with the target Bluetooth device, the following solutions are currently available:

The smart terminal achieves a pairing operation with the target Bluetooth device by capturing and parsing the physical address (MAC address) information printed on the target Bluetooth device housing or its manual.

However, this method has the following disadvantages: if the MAC address information is printed on the target Bluetooth device shell, the shell area of the target Bluetooth device is inevitably required, and the flexibility of the method is limited; if printed on the target device specification, the user is inevitably caused. Inconvenience, affecting the user experience; because only the MAC address information of the target Bluetooth device is obtained, the smart terminal also needs to keep scanning to find surrounding Bluetooth devices, which affects system efficiency; and the initiative to establish a Bluetooth connection is completely mastered on the smart terminal side, target Bluetooth The device can only be connected passively. It cannot verify the party that initiated the connection and affects the security of the system.

Summary of the invention

Embodiments of the present invention are directed to providing a smart device and a method and apparatus for establishing a Bluetooth connection between devices, which can establish a Bluetooth connection more efficiently and safely, and improve user experience.

The technical solution of the embodiment of the present invention is implemented as follows:

An embodiment of the present invention provides a method for establishing a Bluetooth connection between devices, where the method includes:

Obtain matching parameters of the target Bluetooth device;

Open your own Bluetooth module;

Turn on the Bluetooth module scanning function;

After scanning the target Bluetooth device that matches the obtained matching parameter, stop the Bluetooth module scanning function and establish a Bluetooth connection;

The matching parameter includes a parameter uniquely corresponding to the target Bluetooth device, a pairing password, a Bluetooth name of the target Bluetooth device, or a service matching filtering rule parameter information.

The above method, when scanning:

Stop and restart the scanning action at a certain frequency and repeat the process;

The broadcast information of the surrounding Bluetooth devices returned by the real-time matching scan is matched according to the matching parameters obtained before the scanning. If the matching is successful, the scanning function is first stopped, and then the next connection is performed.

In the above method, when the target Bluetooth device is a Bluetooth smart card, the matching parameters of the acquiring target Bluetooth device include:

The smart device performs resetting of the Bluetooth smart card broadcast information by dialing or texting; or

The smart device acquires broadcast information of the Bluetooth smart card through an internal second channel.

In the above method, the method further includes: the target Bluetooth device verifying the request for establishing a Bluetooth connection between the devices.

The above method, when verifying the initiator of the request for establishing a Bluetooth connection between devices, the verification includes:

The target Bluetooth device generates a random number, encrypts the random number with a preset key and algorithm, and sends the initiator that establishes the Bluetooth connection request;

The initiator decrypts the random number and sends it back to the target Bluetooth device after processing;

The target Bluetooth device decrypts and compares the data sent by the initiator, and conforms to the agreed rule, and then maintains the connection by verifying; otherwise, the target Bluetooth device is disconnected.

The above method is performed after the smart device establishes a Bluetooth connection with the target Bluetooth device, and the verification includes:

The target Bluetooth device generates a random number, encrypts with a preset key and algorithm, and sends the data to the smart device;

The smart device decrypts with the agreed key and algorithm, adds the decrypted random number to the processing, re-encrypts and transmits back to the target Bluetooth device;

The target Bluetooth device decrypts the returned data to determine whether the decryption can be successfully decrypted. If the success is successful, the random number is compared. If the original number is increased by one, the verification is passed, otherwise the verification fails, and if there is no data within 3 seconds, the verification fails;

If the verification fails, the target Bluetooth device disconnects the Bluetooth connection.

In the above method, the target Bluetooth device is a Bluetooth card.

The present invention also provides a Bluetooth connection device for establishing a smart device, which is used to implement the operation performed by the smart device (the master device side) in the method for establishing a Bluetooth connection, and the device includes: acquiring a matching parameter module, and opening the bluetooth module Opening the scanning module and the matching device module; wherein

Obtain a matching parameter module, which is used to obtain a matching parameter of the target Bluetooth device;

Open the Bluetooth module to open its own Bluetooth module;

Enable the scanning module to enable the scanning function of the Bluetooth module;

The matching device module is configured to stop the Bluetooth module scanning function after scanning the target Bluetooth device that matches the acquired matching parameter.

The invention also provides a smart device, which comprises a device for establishing a Bluetooth connection of the smart device, wherein the smart device has a Bluetooth module.

The above smart device is a smartphone or tablet.

The smart device provided by the embodiment of the invention and the method and device for establishing the Bluetooth connection are not limited The preset connection information is a Bluetooth MAC address, which expands the channel for obtaining the Bluetooth matching parameter; the first time to obtain the matching parameter of the target Bluetooth device, the efficiency of the target Bluetooth device is found to be higher; in addition, the invention also adds the responder pair to initiate The party's legality verification function improves the security of the responder.

DRAWINGS

1 is a schematic flowchart of implementing a Bluetooth connection establishment method according to an embodiment of the present invention;

2 is a schematic flowchart of a method for establishing a connection between Bluetooth devices according to the present invention, which is applied in Embodiment 1;

FIG. 3 is a schematic structural diagram of a Bluetooth connection establishing apparatus according to an embodiment of the present invention.

detailed description

In order to explain the embodiments and technical solutions of the present invention more clearly, the technical solutions of the present invention will be described in more detail below with reference to the accompanying drawings and embodiments. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all Example. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.

In the embodiment of the present invention, the initiator (master device) of the Bluetooth connection is a smart device, which may be a smart device such as a smart phone or a tablet computer, and the smart device with a Bluetooth module; the responder of the Bluetooth connection (slave device) is a smart card. It can be a SIM (Subscriber Identity Module) card with a Bluetooth interface, a USIM (Universal Subscriber Identity Module) card, a UIM (User Identification Module) card, and an SD card (Secure Digital Memory Card). , a secure digital memory card) and other smart cards, also known as Bluetooth cards.

FIG. 1 is a schematic flowchart of a method for establishing a connection between Bluetooth devices according to the present invention. As shown in FIG. 1 , the method includes:

Step 101: Obtain matching parameters of the target Bluetooth device.

Specifically, the smart device acquires a matching parameter of the target Bluetooth device, where the target Bluetooth device refers to a device that the smart device user wants to establish a Bluetooth connection with, and the Bluetooth device may be a Bluetooth smart card or other device that supports the Bluetooth communication protocol, and The matching parameter may include, for example, a MAC address of the target device, a parameter uniquely corresponding to the Bluetooth device, a pairing password, a Bluetooth name of the Bluetooth device, or parameter information such as a service matching filtering rule;

Further, when the Bluetooth device is a Bluetooth smart card, the acquiring parameters of the target Bluetooth device may include:

The smart device resets the broadcast information of the Bluetooth smart card by dialing or short message; or

The smart device acquires the broadcast information of the Bluetooth smart card through the internal second channel. For example, the mobile phone can read the mobile device international identity code (IMEI) of the SIM card through the 7816 interface, and the Bluetooth SIM card also agrees to broadcast the IMSI. Number as a Bluetooth pairing password;

The solution does not limit the preset matching measures, and only the parameter information that can be used for Bluetooth pairing can be obtained in this step;

Step 102, open its own Bluetooth module;

Specifically, the smart device opens its own Bluetooth module;

In practical applications, there is no necessary relationship between opening the Bluetooth module and obtaining the smart card matching parameters, as long as the two operations are performed before the Bluetooth module scanning function is enabled;

Step 103: Turn on the Bluetooth module scanning function.

Specifically, the smart device turns on the scanning function of its own Bluetooth module, and scans the surrounding Bluetooth devices;

Further, in order to provide discovery efficiency, the Bluetooth module of the smart device itself may choose to stop and restart the scanning action at a certain frequency, and repeat the process, for example, the repetition frequency is 1-5s to stop starting once;

Step 104: After scanning the target Bluetooth device that matches the acquired matching parameter, stopping the Bluetooth module scanning function;

Specifically, the smart device determines, according to the matching parameter broadcasted in the received Bluetooth broadcast, whether it is the same as the matching parameter obtained in step 101, and if the same, determines the Bluetooth device that sends the broadcast. As the target Bluetooth device, therefore, the scanning function of the smart device's own Bluetooth module can be stopped.

Specifically, after the smart device starts scanning the surrounding Bluetooth device, multiple Bluetooth devices may be searched. The scanning function of the smart device is asynchronous, and the matching module needs to match the broadcast information of the surrounding Bluetooth device returned by the scanning module in real time. Matches according to the matching parameters obtained before scanning. If the matching succeeds, the scanning function is stopped first, and the next connection is made.

When the scan is executed, a strategy of stopping the gap and starting the scan may be adopted to improve the ability of the smart device to discover the surrounding Bluetooth smart card.

The smart device then uses its own Bluetooth module to connect to the matching target Bluetooth device.

Further, according to the service requirement, after the smart device sends a request for establishing a Bluetooth connection, the method for establishing the connection between the Bluetooth devices further includes:

The verification by the target Bluetooth device for the establishment of the Bluetooth connection request is accepted.

Specifically, the target Bluetooth device may perform verification on the initiator that establishes the Bluetooth connection request according to the service requirement. In an embodiment, the verification may include:

The target device generates a random number, encrypts the random number with a preset key and algorithm, and sends the initiator that establishes the Bluetooth connection request;

The initiator (smart device) decrypts the random number and sends it back to the target Bluetooth device after processing;

The target device decrypts and compares the data sent by the initiator, and conforms to the agreed rules, and then maintains the connection through verification; otherwise, the target device disconnects.

The above verification process may also be performed after the smart device establishes a Bluetooth connection with the target Bluetooth device. For example, after the connection is successful, the target Bluetooth device may perform the validity verification of the connection initiator by using the self-authentication module:

(1) generating a random number and encrypting it with a preset key and algorithm, and transmitting the data to the smart device;

(2) The smart device decrypts with the agreed key and algorithm, adds one to the decrypted random number, re-encrypts and transmits it back to the Bluetooth smart card.

(3) The target Bluetooth device decrypts the returned data to see if it can be decrypted successfully. If it succeeds, it will be successful. More than the random number, if the original number is increased by one, the verification passes, otherwise the verification fails, and if there is no data within 3s, the verification fails.

(4) If the verification fails, the target Bluetooth device disconnects the Bluetooth connection.

The above verification method is only a kind of legality verification of the target Bluetooth device to the initiator, and is not limited to the above manner, and belongs to a method in which the Bluetooth peripheral device verifies the legality of the central device.

Example 1

2 is a schematic flowchart of a method for establishing a connection between Bluetooth devices according to the present invention. In the first embodiment, the smart device is a smart phone, and the target Bluetooth device is a Bluetooth smart card, as shown in FIG. 2 . The matching parameters of the Bluetooth card are not related to the opening of the Bluetooth module. These two steps must be performed before the scanning function of the Bluetooth module is enabled. The matching parameter can be obtained by scanning the bar code, the two-dimensional code and the like on the outer casing, and the user can obtain the information through scanning; if it is a SIM card, the broadcast information can be reset by dialing or short message to achieve uniformity; or through the internal of the smart device. The second channel acquires the broadcast information of the Bluetooth smart card (the mobile phone can read the imsi number of the SIM card through the 7816 interface, and the Bluetooth SIM card also agrees to broadcast the imsi number). This step includes, but is not limited to, the above mentioned methods. After scanning the surrounding Bluetooth card, multiple Bluetooth devices may be searched. The scanning function of the smart device is asynchronous. The matching module needs to match the broadcast information of the surrounding Bluetooth devices returned by the scanning module in real time, according to the matching parameters obtained before scanning. Matching is performed. If the matching is successful, the scanning function is first stopped and the next connection is made. When the scan is executed, a strategy of stopping the gap and starting the scan may be adopted to improve the ability of the smart device to discover the surrounding Bluetooth smart card. After the connection is successful, the smart Bluetooth card can verify the validity of the connection initiator through its own verification module:

(3) The Bluetooth smart card decrypts the returned data to see if it can be decrypted successfully. If it succeeds, it compares the random number. If it is added to the original number, the verification is passed. Otherwise, the verification fails. If there is no data within 3s, it is verified. failure.

(4) If the verification fails, the Bluetooth smart card disconnects the Bluetooth connection.

The above verification method is only a kind of legality verification of the Bluetooth smart card to the initiator, and is not limited to the above manner, and belongs to a method in which the Bluetooth peripheral device verifies the legality of the central device.

The present invention also provides a Bluetooth connection device for establishing a smart device, which is used to implement the operation performed by the smart device (the master device side) in the above method for establishing a Bluetooth connection. As shown in FIG. 3, the device includes: obtaining a matching parameter. a module 301, an open Bluetooth module 302, an open scan module 303, and a matching device module 304; wherein

Obtaining a matching parameter module 301, configured to acquire a matching parameter of the target Bluetooth device;

Opening the Bluetooth module 302 for opening its own Bluetooth module;

Turning on the scanning module 303, which is used to enable the scanning function of the Bluetooth module;

The matching device module 304 is configured to stop the Bluetooth module scanning function after scanning the target Bluetooth device that matches the acquired matching parameter.

The invention also provides a smart device, which comprises a Bluetooth connection device for establishing the smart device.

The various modules of the communication system of the present invention correspond to the steps described in the above embodiments of the communication method, and thus have the same advantageous effects. In addition, it should be understood that the implementation of the communication system described above is merely illustrative, and the division of the described modules is only a logical function division, and may be further divided in actual implementation. In addition, the coupling or communication connection of the modules to each other may be through some interfaces, or may be electrical or other forms.

Each of the above functional modules may be part of a communication system, and may or may not be a physical frame. It may be located in one place or on multiple network units, and may be implemented in the form of hardware or a software function box. The form is implemented. Some or all of the modules may be selected according to actual needs to achieve the objectives of the solution of the present invention.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

It is to be noted that the above description is only an embodiment of the present invention, and thus does not limit the scope of the invention, and the equivalent structure or equivalent flow transformation using the description of the present invention and the drawings, for example, the technology between the embodiments The combination of features, or directly or indirectly, in other related technical fields, is equally included in the scope of patent protection of the present invention.

Claims

A method of establishing a Bluetooth connection between devices, the method comprising:

Obtain matching parameters of the target Bluetooth device;

Open your own Bluetooth module;

Turn on the Bluetooth module scanning function;

After scanning the target Bluetooth device that matches the obtained matching parameter, stop the Bluetooth module scanning function and establish a Bluetooth connection;

The matching parameter includes a parameter uniquely corresponding to the target Bluetooth device, a pairing password, a Bluetooth name of the target Bluetooth device, or a service matching filtering rule parameter information.
The method of claim 1 when scanning:

Stop and restart the scanning action at a certain frequency and repeat the process;

The broadcast information of the surrounding Bluetooth devices returned by the real-time matching scan is matched according to the matching parameters obtained before the scanning. If the matching is successful, the scanning function is first stopped, and then the next connection is performed.
The method of claim 1, when the target Bluetooth device is a Bluetooth smart card, the matching parameters of the acquiring target Bluetooth device include:

The smart device performs resetting of the Bluetooth smart card broadcast information by dialing or texting; or

The smart device acquires broadcast information of the Bluetooth smart card through an internal second channel.
The method of claim 1 further comprising the target Bluetooth device verifying the request to establish a Bluetooth connection between devices.
The method of claim 4, when verifying the originator of the request to establish a Bluetooth connection between devices, the verifying comprises:

The target Bluetooth device generates a random number, encrypts the random number with a preset key and algorithm, and sends the initiator that establishes the Bluetooth connection request;

The initiator decrypts the random number and sends it back to the target Bluetooth device after processing;

The target Bluetooth device decrypts and compares the data sent by the initiator, and conforms to the agreed rule, and then maintains the connection by verifying; otherwise, the target Bluetooth device is disconnected.
The method of claim 4, wherein the verification is performed after the smart device establishes a Bluetooth connection with the target Bluetooth device, the verification comprising:

The target Bluetooth device generates a random number, encrypts with a preset key and algorithm, and sends the data to the smart device;

The smart device decrypts with the agreed key and algorithm, adds the decrypted random number to the processing, re-encrypts and transmits back to the target Bluetooth device;

The target Bluetooth device decrypts the returned data to determine whether the decryption can be successfully decrypted. If the success is successful, the random number is compared. If the original number is increased by one, the verification is passed, otherwise the verification fails, and if there is no data within 3 seconds, the verification fails;

If the verification fails, the target Bluetooth device disconnects the Bluetooth connection.
The method of claim 1 wherein the target Bluetooth device is a Bluetooth card.
A device for establishing a Bluetooth connection of a smart device, the device for implementing the operation performed by the smart device or the initiator in the method for establishing a Bluetooth connection between devices according to any one of claims 1 to 6, the device comprising: obtaining a matching parameter Module, open bluetooth module, enable scanning module and matching device module;

Obtain a matching parameter module, which is used to obtain a matching parameter of the target Bluetooth device;

Open the Bluetooth module to open its own Bluetooth module;

Enable the scanning module to enable the scanning function of the Bluetooth module;

Matching device module for scanning a target Bluetooth device that matches the acquired matching parameter After that, stop the Bluetooth module scanning function.
A smart device comprising the device for establishing a Bluetooth connection of the smart device of claim 8, the smart device having a Bluetooth module.
The smart device of claim 9, the smart device being a smartphone or tablet.