TWI634771B - Wisdom device and method and device for establishing Bluetooth connection between devices - Google Patents

Abstract

The present invention relates to a smart device and a method and apparatus for establishing a Bluetooth connection between devices. The method for establishing a Bluetooth connection between devices includes: obtaining a matching parameter of the target Bluetooth device; opening a Bluetooth module of the device; enabling the scanning function of the Bluetooth module; and stopping the Bluetooth module after scanning the target Bluetooth device that matches the acquired matching parameter The group scanning function establishes a Bluetooth connection, and 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 establishment of the smart device Bluetooth connection device is used to implement the operation performed by the smart device or the initiator in the method for establishing the Bluetooth connection between devices. The invention does not limit the preset connection information, and expands the channel for obtaining the Bluetooth matching parameter; by first obtaining the matching parameter of the target Bluetooth device, the efficiency of the target Bluetooth device is found to be higher.

Description

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

The present invention relates to the field of Bluetooth communication, and more particularly to a smart device and a method and apparatus for establishing a Bluetooth connection.

With the development of Internet technologies, especially the mobile Internet and the Internet of Things, there is an increasing demand for 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 is 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 performs 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 must be Requirements, method flexibility is limited; if printed on the target device manual, it will inevitably cause inconvenience to the user, affecting the user experience; because only the MAC address information of the target Bluetooth device is obtained, the smart terminal needs to keep scanning to find the periphery. The Bluetooth device affects the system efficiency; and the initiative to establish a Bluetooth connection is completely in the smart terminal side. The target Bluetooth device can only be passively connected, and the party that initiated the connection cannot be verified, which affects the security of the system.

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 in this way.

An embodiment of the present invention provides a method for establishing a Bluetooth connection between devices. The method includes: acquiring a matching parameter of a target Bluetooth device; opening a Bluetooth module of the device; enabling a scanning function of the Bluetooth module; and scanning and matching the acquired matching parameters After the matching target Bluetooth device, the Bluetooth module scanning function is stopped, and a Bluetooth connection is established; wherein 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 filter. Rule parameter information.

The above method, when scanning: stopping and restarting the scanning action at a certain frequency, and repeating the process; real-time matching the broadcast information of the surrounding Bluetooth devices returned by the scan, matching according to the matching parameters obtained before the scanning, and the matching is successful first Scan the function and then proceed to the next connection.

The above method, when the target Bluetooth device is a Bluetooth smart card, The obtaining the matching parameter of the target Bluetooth device includes: the smart device performing the resetting of the Bluetooth smart card broadcast information by using a dialing or a short message; or the smart device acquiring the broadcast information of the Bluetooth smart card through the 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.

In the above method, when the initiator of the request for establishing a Bluetooth connection between devices is verified, the verification includes: the target Bluetooth device generates a random number, and performs the random number by using a preset key and an algorithm. Encrypted, sent to the initiator that establishes a Bluetooth connection request; the initiator decrypts the random number, and then sends back to the target Bluetooth device; the target Bluetooth device decrypts the data sent by the initiator If the comparison is in accordance with the agreed rules, the connection is maintained through verification; otherwise, the target Bluetooth device is disconnected.

The above method, when the smart device establishes a Bluetooth connection with the target Bluetooth device, the verification comprises: the target Bluetooth device generates a random number, and encrypts with a preset key and algorithm, and Sending the data to the smart device; the smart device decrypts with the agreed key and algorithm, adds a process to the decrypted random number, re-encrypts and transmits back to the target Bluetooth device; the target Bluetooth The 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. If there is no data within 3 seconds, the verification fails; if the verification fails, 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, wherein the device 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 a Bluetooth module. The group, the scanning module and the matching device module are opened; wherein the matching parameter module is obtained for acquiring matching parameters of the target Bluetooth device; the Bluetooth module is opened for opening the Bluetooth module thereof; and the scanning module is enabled. The Bluetooth module scanning function is enabled; 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 smart phone or tablet.

The smart device provided by the embodiment of the present invention and the method and device for establishing the Bluetooth connection do not limit the preset connection information to a Bluetooth MAC address, and expand the channel for acquiring the Bluetooth matching parameter; by first obtaining the matching parameter of the target Bluetooth device, The efficiency of discovering the target Bluetooth device is higher; in addition, the invention also increases the legality verification function of the responder to the initiator, and improves the security of the responder.

101-104‧‧‧Steps

301‧‧‧Get matching parameter module

302‧‧‧Open Bluetooth module

303‧‧‧Open scanning module

304‧‧‧Matching device module

FIG. 1 is a schematic flowchart of an implementation process of a Bluetooth connection establishment method according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a method for establishing a connection between Bluetooth devices according to the present invention. Schematic diagram of the process in Example 1.

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

In order to more clearly illustrate the embodiments and technical solutions of the present invention, the technical solutions of the present invention will be described in more detail below with reference to the 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 those skilled in the art based on the embodiments of the present invention without departing from the spirit of the invention are within the scope of the invention.

In the embodiment of the present invention, the initiator (master device side) of the Bluetooth connection is a smart device, which may be a smart device with a Bluetooth module, such as a smart phone or a tablet computer; the reaction party of the Bluetooth connection (from the device side) is wisdom. The card may be a SIM (Subscriber Identity Module) card with a Bluetooth interface, a USIM (Universal Subscriber Identity Module) card, a UIM (User Identify Module) card, and an SD card. (Secure Digital Memory Card, etc.) Various smart cards, also known as Bluetooth cards.

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

Step 101: Acquire 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 the user who wants to establish the smart device. For a Bluetooth-connected device, the Bluetooth device may be a Bluetooth smart card or other device supporting 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, and Bluetooth of the Bluetooth device. The name or the parameter information such as the service matching filter rule.

Further, when the Bluetooth device is a Bluetooth smart card, the acquiring the matching parameter of the target Bluetooth device may include: the smart device resetting the Bluetooth smart card broadcast information by using a dialing or a short message.

Alternatively, the smart device obtains the broadcast information of the Bluetooth smart card through the internal second channel. For example, the mobile phone can read the SIM card mobile device international identity code (IMEI) through the 7816 interface, and the Bluetooth SIM card also The International Mobile Subscriber Identification Number (IMSI) number is agreed as the Bluetooth pairing password.

This solution does not limit the preset matching measures. In this step, as long as the parameter information that can be used for Bluetooth pairing can be obtained.

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.

In step 103, the Bluetooth module scanning function is turned on.

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 smart device's own Bluetooth module can 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, stop 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. If the same, the Bluetooth device that sends the broadcast is determined to be the target Bluetooth device, and therefore, the device can stop. The scanning function of the smart device's own Bluetooth module.

It should be specially stated that after the smart device starts scanning the surrounding Bluetooth devices, multiple Bluetooth devices may be searched. The scanning function of the smart device is asynchronous, and the matching module needs to match the broadcast of the surrounding Bluetooth devices returned by the scanning module in real time. The information is matched according to the matching parameters obtained before the scanning. If the matching is successful, the scanning function is first stopped, and the next connection is performed.

During the scanning execution, a strategy of stopping the gap and starting the scanning may be adopted to improve the ability of the smart device to discover the surrounding Bluetooth smart card.

After that, the smart device uses its own Bluetooth module to connect to the matching target Bluetooth device.

Further, after the smart device sends a request for establishing a Bluetooth connection, the method for establishing a connection between the Bluetooth devices further includes: accepting, by the target Bluetooth device, the verification performed by the target Bluetooth device for the Bluetooth connection request.

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, and uses the preset key. And the algorithm encrypts the random number and sends it to the initiator that establishes the Bluetooth connection request.

The initiator (smart device) decrypts the random number and processes it and sends it back to the target Bluetooth device.

The target device decrypts 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 can perform the validity verification of the connection initiator through the self-authentication module.

(1) Generate a random number and encrypt it with a preset key and algorithm, and send this data to the smart device.

(2) The smart device decrypts with the agreed key and algorithm, adds 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 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. If there is no data within 3 seconds, 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

FIG. 2 is a schematic diagram 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. Both steps must be before the scanning function of the Bluetooth module is turned on. 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 by scanning, or if the SIM card is used, the broadcast information can be reset by dialing or short message to achieve uniformity; or through the smart device. The internal 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 information acquired before the scanning. The matching parameters are matched. If the matching is successful, the scanning function is stopped first, and the next connection is made. During the scanning execution, a strategy of stopping the gap and starting the scanning 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.

(1) Generate a random number and encrypt it with a preset key and algorithm, and send this data to the smart device.

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

(3) Bluetooth smart card decrypts the returned data to see if it can be re-solved If the secret is successful, the success compares the random number. If the original number is increased by one, the verification is passed. Otherwise, the verification fails. If there is no data within 3 seconds, the verification fails.

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

The above verification method is only a 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. The device is used to implement the operation performed by the smart device (the master device side) in the method for establishing a Bluetooth connection. As shown in FIG. 3, the device includes: acquiring a matching parameter module. The group 301 opens the Bluetooth module 302, turns on the scanning module 303, and matches the device module 304.

The matching parameter module 301 is configured to acquire matching parameters of the target Bluetooth device.

The Bluetooth module 302 is turned on to open its own Bluetooth module.

The scanning module 303 is turned on 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, wherein the smart device comprises a Bluetooth connection device for establishing the smart device.

Each module of the communication system of the present invention corresponds to the steps described in the above embodiment of the communication method, and thus has 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 modules are between each other The coupling or communication connection may be through some interface, or in electrical or other form.

Each of the above functional modules may or may not be a physical frame, and may be located in one place or on multiple network units, and may be implemented in a hardware form or in a hardware form. The form of the software function box 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 of ordinary skill in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Thus, the invention may take the form of a hardware embodiment, a software embodiment, or an embodiment incorporating a software and a hardware. Moreover, the present 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.).

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus, 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, a special purpose computer, an embedded processor or other programmable data processing device to produce a machine for generating 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 storage that can direct a computer or other programmable data processing device to operate in a particular manner, such that instructions stored in the computer readable storage produce an article of manufacture including the instruction device. The instruction means implements the functions specified in one or more blocks of the flow or in a flow or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device to perform a series of operational steps 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 understood that the above description is only an embodiment of the present invention, and is not intended to limit the scope of the claims of the present invention. The equivalent structure or equivalent flow transformations made by the description of the present invention and the contents of the drawings, for example, between the embodiments The combination of technical features, or directly or indirectly, in other related technical fields is included in the scope of patent protection of the present invention.

Claims (8)

A method for establishing a Bluetooth connection between devices, comprising: acquiring, by a smart device, a matching parameter of a Bluetooth smart card, wherein the matching parameter of the acquiring the Bluetooth smart card comprises: the smart device resetting the broadcast information of the Bluetooth smart card by using a dialing or a short message; or The smart device acquires the broadcast information of the Bluetooth smart card through the internal second channel; opens its own Bluetooth module; turns on the bluetooth module scanning function; and stops scanning the Bluetooth smart card after matching the obtained matching parameter The Bluetooth module scan function establishes a Bluetooth connection; wherein the matching parameter includes a parameter uniquely corresponding to the Bluetooth smart card, a pairing password, a Bluetooth name of the Bluetooth smart card, or a service matching filter rule parameter information. The method for establishing a Bluetooth connection between devices as claimed in claim 1, wherein when scanning: the smart device stops and restarts the scanning action at a certain frequency, and repeats the process; the real-time matching scans the broadcast information of the surrounding Bluetooth devices returned by the scan, according to The matching parameters obtained before scanning are matched. If the matching is successful, the scanning function is stopped first, and then the next connection is performed. The method for establishing a Bluetooth connection between devices according to claim 1, wherein the method further comprises: the Bluetooth smart card verifying the request for establishing a Bluetooth connection between the devices. The method for establishing a Bluetooth connection between devices according to claim 3, wherein when the smart device for establishing the request for the Bluetooth connection between the devices is verified, the verification comprises: generating the random number by using the Bluetooth smart card, using the preset secret The key and the algorithm encrypt the random number and send it to the smart device that establishes the Bluetooth connection request; the smart device decrypts the random number, and sends the Bluetooth smart card back after processing; the data sent by the Bluetooth smart card to the smart device The decryption comparison is performed, and the agreement is met, and the connection is maintained through verification; otherwise, the Bluetooth smart card is disconnected. The method for establishing a Bluetooth connection between devices according to claim 3, wherein when the smart device establishes a Bluetooth connection with the Bluetooth smart card, the verification comprises: the Bluetooth smart card generates a random number, and uses a preset The key and the algorithm encrypt and send the data to the smart device; the smart device decrypts with the agreed key and algorithm, adds the decrypted random number, re-encrypts and transmits the data to the Bluetooth wisdom. Card; the Bluetooth smart card decrypts the returned data to determine whether the decryption can be successfully decrypted, and the success is more than the random number, if the original number is increased by one, then The verification is passed, otherwise the verification fails. If there is no data within 3s, the verification fails; if the verification fails, the Bluetooth smart card disconnects the Bluetooth connection. A device for establishing a Bluetooth connection between smart devices, the device for implementing an operation performed by a smart device in a method for establishing a Bluetooth connection between devices as described in any one of claims 1, 2, 4 and 5, the device comprising: obtaining Matching the parameter module, opening the bluetooth module, turning on the scanning module and the matching device module; wherein, the matching parameter module is obtained, and the matching parameter of the Bluetooth smart card is obtained, and the matching parameters of the acquiring the Bluetooth smart card include: Or SMS to reset the Bluetooth smart card broadcast information; or obtain the broadcast information of the Bluetooth smart card through the internal second channel; open the Bluetooth module to open its own Bluetooth module; turn on the scanning module, use The Bluetooth module scanning function is enabled; the matching device module is configured to stop the Bluetooth module scanning function after scanning the Bluetooth smart card that matches the acquired matching parameter. A smart device, comprising: a device for establishing a Bluetooth connection between smart devices as claimed in claim 6, wherein the smart device has a Bluetooth module. The smart device as recited in claim 7, wherein the smart device is a smart phone or a tablet.