CN111818498A - Connection method of Bluetooth device, Bluetooth device and server - Google Patents
Connection method of Bluetooth device, Bluetooth device and server Download PDFInfo
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- CN111818498A CN111818498A CN202010718150.1A CN202010718150A CN111818498A CN 111818498 A CN111818498 A CN 111818498A CN 202010718150 A CN202010718150 A CN 202010718150A CN 111818498 A CN111818498 A CN 111818498A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention relates to a connection method of Bluetooth equipment, the Bluetooth equipment and a server, wherein the connection method of the Bluetooth equipment comprises the following steps: the Bluetooth master device acquires identification information of the Bluetooth slave device; judging whether the Bluetooth slave equipment is related equipment of the Bluetooth master equipment or not, and acquiring a first link value by an application module of the Bluetooth master equipment when the Bluetooth slave equipment is related equipment of the Bluetooth master equipment; the Bluetooth master device and the Bluetooth slave device establish physical link connection and send identification information of the physical link connection to the Bluetooth slave device; the application module of the Bluetooth slave device sends second link value inquiry information to the server; when the Bluetooth master device is a related device of the Bluetooth slave device, an application module of the Bluetooth slave device receives a second chaining value sent by the server, wherein the first chaining value is the same as the second chaining value; and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link value and the second link value respectively. The connection method of the Bluetooth equipment improves the first connection speed of the Bluetooth equipment.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a connection method of Bluetooth equipment, the Bluetooth equipment and a server.
Background
Bluetooth is a standard wireless communication protocol, and is widely used in various fields, especially in the field of vehicle-mounted short-distance communication. At present, when bluetooth devices are connected for the first time, two bluetooth modules of two parties need to perform multiple air interactions and then calculate the same linkkey (link key), and then the linkkey is used for the two bluetooth devices to communicate based on the linkkey, but the time consumption of the process of calculating the linkkey by the two bluetooth modules of two parties is long, so that the first connection speed of the bluetooth devices is slow, and a user needs to actively confirm to complete a pairing process.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a method for connecting bluetooth devices, which avoids that two bluetooth modules with weak computing power generate a link key only through multiple times of air interaction and multiple handshakes, thereby not only accelerating the computing process of the link key, but also completing a pairing process without manual operation, and increasing the first connection speed of the bluetooth devices.
Another object of the present invention is to provide a method for connecting a bluetooth device.
Still another object of the present invention is to provide a bluetooth device adapted to a bluetooth master device, which implements the above-mentioned connection method for the bluetooth device.
Still another object of the present invention is to provide a bluetooth device suitable for a bluetooth slave device, which implements the above-mentioned connection method of the bluetooth device.
Still another object of the present invention is to provide a server for implementing the connection method of the bluetooth device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the connection method of the Bluetooth device according to the first aspect of the invention comprises the following steps:
the Bluetooth master device acquires identification information of the Bluetooth slave device;
judging whether the Bluetooth slave device is a related device of the Bluetooth master device, and when the Bluetooth slave device is the related device of the Bluetooth master device, an application module of the Bluetooth master device acquiring a first link value corresponding to the identification information of the Bluetooth slave device;
the Bluetooth master device establishes physical link connection with the Bluetooth slave device and sends identification information of the Bluetooth master device to the Bluetooth slave device;
the application module of the Bluetooth slave device sends second chaining value query information to a server, wherein the second chaining value query information comprises identification information of the Bluetooth master device and is used for requesting the server to determine whether the Bluetooth master device is a relevant device of the Bluetooth slave device or not according to the identification information of the Bluetooth master device, and the second chaining value is sent to the application module of the Bluetooth slave device when the Bluetooth master device is the relevant device of the Bluetooth slave device;
when the Bluetooth master device is a related device of the Bluetooth slave device, an application module of the Bluetooth slave device receives a second chaining value sent by the server, wherein the first chaining value is the same as the second chaining value;
and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link value and the second link value respectively.
Preferably, when the bluetooth master device is connected to the server, the determining whether the bluetooth slave device is a related device of the bluetooth master device, and when the bluetooth slave device is a related device of the bluetooth master device, the obtaining, by an application module of the bluetooth master device, a first link value corresponding to the identification information of the bluetooth slave device specifically includes:
the application module of the Bluetooth master device sends first link value query information to the server, wherein the first link value query information comprises identification information of the Bluetooth slave device and is used for requesting the server to determine whether the Bluetooth slave device is a relevant device of the Bluetooth master device according to the identification information of the Bluetooth slave device, and when the Bluetooth slave device is the relevant device of the Bluetooth master device, the application module of the Bluetooth master device sends the first link value;
when the Bluetooth slave device is a related device of the Bluetooth master device, an application module of the Bluetooth master device receives a random first link value corresponding to the identification information of the Bluetooth slave device, which is sent by the server.
Preferably, the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the bluetooth master device and the bluetooth slave device establish connection and perform data transmission according to the first chaining value and the second chaining value respectively, and the method specifically includes:
the application module of the Bluetooth master device calculates a first link key according to a first link key calculation value, the application module of the Bluetooth slave device calculates a second link key according to a second link key calculation value, and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link key and the second link key respectively.
Preferably, the first linking value is a first linking key, and the second linking value is a second linking key.
Preferably, when the bluetooth master device is disconnected from the server, the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the determining whether the bluetooth slave device is a related device of the bluetooth master device, and when the bluetooth slave device is the related device of the bluetooth master device, acquiring, by an application module of the bluetooth master device, a first link value corresponding to the identification information of the bluetooth slave device specifically include:
the application module of the Bluetooth master device judges whether the Bluetooth slave device is a related device of the Bluetooth master device according to the identification information of the Bluetooth slave device;
when the Bluetooth slave device is a related device of the Bluetooth master device, an application module of the Bluetooth master device acquires a fixed first link key calculation value corresponding to the identification information of the Bluetooth slave device according to a correspondence between the identification information of the Bluetooth slave device and the link key calculation value stored in the application module;
the bluetooth master device and the bluetooth slave device establish connection and perform data transmission according to the first chaining value and the second chaining value respectively, and the method specifically includes:
the application module of the Bluetooth master device calculates a first link key according to a first link key calculation value, the application module of the Bluetooth slave device calculates a second link key according to a second link key calculation value, and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link key and the second link key respectively.
Preferably, before the application module of the bluetooth slave device sends the second link value inquiry information to the server, the method further includes:
the application module of the Bluetooth slave device judges whether the Bluetooth master device is a possible related device of the Bluetooth slave device according to the identification information of the Bluetooth master device;
and when the Bluetooth master device is a possibly related device of the Bluetooth slave device, the application module of the Bluetooth slave device sends second link value inquiry information to a server.
The connection method of the Bluetooth device according to the second aspect of the invention comprises the following steps:
the server receives second chaining value query information sent by an application module of the Bluetooth slave device, wherein the second chaining value query information comprises identification information of the Bluetooth master device;
the server determines whether the Bluetooth master device is a related device of the Bluetooth slave device according to the identification information of the Bluetooth master device;
when the Bluetooth master device is a related device of the Bluetooth slave device, the server sends the second link value to an application module of the Bluetooth slave device.
Preferably, the server receives first link value query information sent by an application module of the bluetooth master device, where the first link value query information includes identification information of the bluetooth slave device;
the server determines whether the Bluetooth slave equipment is related to the Bluetooth master equipment or not according to the identification information of the Bluetooth slave equipment;
when the Bluetooth slave device is a related device of the Bluetooth master device, the server sends a first link value corresponding to the identification information of the Bluetooth slave device to an application module of the Bluetooth master device.
A bluetooth device according to an embodiment of the third aspect of the present invention is adapted to a bluetooth master device, and includes:
the first acquisition module is used for the Bluetooth master equipment to acquire the identification information of the Bluetooth slave equipment;
a second obtaining module, configured to, when the bluetooth slave device is a related device of the bluetooth master device, obtain, by an application module of the bluetooth master device, a first link value corresponding to identification information of the bluetooth slave device;
the first connection module and the first sending module are used for establishing physical link connection between the Bluetooth master device and the Bluetooth slave device and sending identification information of the Bluetooth master device and the Bluetooth slave device to the Bluetooth slave device;
and the second connection module and the first transmission module are used for establishing connection and performing data transmission between the Bluetooth master device and the Bluetooth slave device according to the first link value and the second link value respectively.
Preferably, the bluetooth device further includes:
a second information sending module, configured to send, by an application module of the bluetooth master device, first link value query information to the server, where the first link value query information includes identification information of the bluetooth slave device;
the second obtaining module is specifically configured to, when the bluetooth slave device is a related device of the bluetooth master device, receive, by an application module of the bluetooth master device, a random first link value corresponding to the identification information of the bluetooth slave device, where the random first link value is sent by the server.
Preferably, the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the second connection module and the first transmission module are specifically used for calculating a first link key according to a first link key calculation value by an application module of the bluetooth master device, and establishing connection between the bluetooth master device and the bluetooth slave device according to the first link key and the second link key respectively and performing data transmission.
Preferably, the first link value is a first link key calculation value, and the second link value is a second link key calculation value, and the bluetooth device further includes:
the second judgment module is used for judging whether the Bluetooth slave equipment is related equipment of the Bluetooth master equipment or not by the application module of the Bluetooth master equipment according to the identification information of the Bluetooth slave equipment;
the second obtaining module is specifically configured to, when the bluetooth slave device is a related device of the bluetooth master device, obtain, by an application module of the bluetooth master device, a fixed first link key calculated value corresponding to the identification information of the bluetooth slave device according to a correspondence between the identification information of the bluetooth slave device and the link key calculated value stored in the application module of the bluetooth master device;
the second connection module and the first transmission module are specifically used for calculating a first link key according to a first link key calculation value by an application module of the bluetooth master device, and establishing connection between the bluetooth master device and the bluetooth slave device according to the first link key and the second link key respectively and performing data transmission.
A bluetooth device according to an embodiment of the fourth aspect of the present invention is adapted to a bluetooth slave device, including:
the third connection module and the first receiving module are used for establishing physical link connection with the Bluetooth master device and receiving the identification information of the Bluetooth master device sent by the Bluetooth master device;
a first information sending module, configured to send, by the bluetooth slave device, second link value query information to a server, where the second link value query information includes identification information of the bluetooth master device;
a second receiving module, configured to, when the bluetooth master device is a related device of the bluetooth slave devices, receive, by an application module of the bluetooth slave device, a second link value sent by the server;
and the fourth connection module and the second transmission module are used for establishing connection with the Bluetooth master device according to the second link value and the first link value respectively and performing data transmission.
Preferably, the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the fourth connection module and the second transmission module are specifically configured to calculate, by the application module of the bluetooth slave device, a second link key according to a second link key calculation value, and establish connection and perform data transmission between the bluetooth slave device and the bluetooth master device according to the second link key and the first link key, respectively.
Preferably, the bluetooth device further includes:
and the third judging module is used for judging whether the Bluetooth master device is a possible related device of the Bluetooth slave device or not by the application module of the Bluetooth slave device according to the identification information of the Bluetooth master device.
A server according to an embodiment of the fifth aspect of the present invention includes:
a third receiving module, configured to receive, by the server, second link value query information sent by an application module of the bluetooth slave device, where the second link value query information includes identification information of the bluetooth master device;
the first judgment module is used for the server to determine whether the Bluetooth master device is a related device of the Bluetooth slave device according to the identification information of the Bluetooth master device;
and a second sending module, configured to, when the bluetooth master device is a device related to the bluetooth slave device, send, by the server, the second link value to an application module of the bluetooth slave device.
Preferably, the server further comprises:
a fourth receiving module, configured to receive, by the server, first link value query information sent by an application module of the bluetooth master device, where the first link value query information includes identification information of the bluetooth slave device;
a fourth judging module, configured to determine, by the server, whether the bluetooth slave device is a device related to the bluetooth master device according to the identification information of the bluetooth slave device;
a third sending module, configured to, when the bluetooth slave device is a related device of the bluetooth master device, send, by the server, a first link value corresponding to the identification information of the bluetooth slave device to an application module of the bluetooth master device.
The invention has the beneficial effects that:
the connection method of the Bluetooth equipment of the embodiment of the invention avoids that two Bluetooth modules with weak computing capability generate a link key only by means of multiple air interaction and multiple handshaking, not only accelerates the computing process of the link key, but also can complete the pairing process without manual operation, and improves the first connection speed of the Bluetooth equipment.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic view of an application scenario of connection of a bluetooth device according to an embodiment of the present invention;
fig. 2 is a flowchart of a connection method of a bluetooth device based on a bluetooth device according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for connection of a server-based Bluetooth device in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a bluetooth master device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a server according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
It will be appreciated that as used herein, the term module may refer to or include an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (shared, dedicated, or group) and/or memory that executes one or more software or firmware programs, a combinational logic circuit, and/or other suitable hardware components that provide the described functionality, or may be part of such hardware components.
It will be appreciated that in embodiments of the invention, the processor may be a microprocessor, a digital signal processor, a microcontroller, the like, and/or any combination thereof. According to another aspect, the processor may be a single-core processor, a multi-core processor, the like, and/or any combination thereof.
As shown in fig. 1, according to an application scenario diagram of the present application technical solution of the embodiment of the present invention, a bluetooth master device may be a vehicle-mounted bluetooth, a bluetooth slave device may be a mobile bluetooth, when the vehicle-mounted bluetooth of a vehicle 11 is connected with the mobile bluetooth of a mobile 12 for the first time, a connection speed of an existing bluetooth device is slow and a user actively confirms to complete a pairing process, when the vehicle-mounted bluetooth of the present invention is connected with the mobile bluetooth for the first time, the vehicle-mounted bluetooth obtains identification information of the mobile bluetooth, determines whether the mobile bluetooth is a related device of the vehicle-mounted bluetooth, when the mobile bluetooth is a related device of the vehicle-mounted bluetooth, an application module of the vehicle-mounted bluetooth obtains a first link value corresponding to the identification information of the mobile bluetooth, then the vehicle-mounted bluetooth establishes a physical link connection with the mobile bluetooth and sends the identification information thereof to the mobile bluetooth, the application module of the mobile bluetooth sends a second link value query message to, when the vehicle-mounted Bluetooth is related to the mobile phone Bluetooth, the application module of the mobile phone Bluetooth receives a second chaining value sent by the server, the first chaining value is the same as the second chaining value, the vehicle-mounted Bluetooth and the mobile phone Bluetooth are connected and perform data transmission according to the first chaining value and the second chaining value respectively, the pairing process can be completed without manual operation, and the first connection speed of the Bluetooth device is improved.
As shown in fig. 2, the method for connecting a bluetooth device based on a bluetooth device according to an embodiment of the present invention includes the following steps:
in step S1, the bluetooth master device acquires identification information of the bluetooth slave device.
Specifically, the identification information may be a bluetooth address, and certainly, may also be other information with a unique identification, and when the identification information is a bluetooth address, the bluetooth master device may obtain the identification information of the bluetooth slave device through bluetooth search.
Step S2, determining whether the bluetooth slave device is a related device of the bluetooth master device, and when the bluetooth slave device is the related device of the bluetooth master device, an application module of the bluetooth master device obtains a first link value corresponding to the identification information of the bluetooth slave device.
Preferably, when the bluetooth master device is connected to the server, the step S2 specifically includes:
step S21, the application module of the Bluetooth master device sends first linking value inquiry information to the server, the first linking value inquiry information includes the identification information of the Bluetooth slave device, and is used to request the server to determine whether the Bluetooth slave device is the relevant device of the Bluetooth master device according to the identification information of the Bluetooth slave device, and when the Bluetooth slave device is the relevant device of the Bluetooth master device, the first linking value is sent to the application module of the Bluetooth master device;
specifically, the Bluetooth master device and the Bluetooth slave device are respectively provided with a special application client and perform information registration at the application client, so that the server stores registration information of the Bluetooth master device and the Bluetooth slave device, when the Bluetooth master device is connected with the server, an application module of the Bluetooth master device sends first link value inquiry information including identification information of the Bluetooth slave device to the server, and the server determines whether the Bluetooth slave device is a related device of the Bluetooth master device according to the stored registration information of the Bluetooth master device and the Bluetooth slave device and according to the identification information of the Bluetooth slave device.
In step S22, when the bluetooth slave device is a related device of the bluetooth master device, the application module of the bluetooth master device receives a random first link value corresponding to the identification information of the bluetooth slave device, which is sent by the server.
Therefore, the application module of the Bluetooth master device can acquire the first chaining value quickly and conveniently, and the application module of the Bluetooth master device acquires the random first chaining value, so that the Bluetooth master device and the Bluetooth slave device can perform data transmission more safely.
Step S3, the bluetooth master device establishes a physical link connection with the bluetooth slave device, and sends its identification information to the bluetooth slave device.
Step S4, the application module of the bluetooth slave device sends second link value query information to a server, where the second link value query information includes identification information of the bluetooth master device, and is used to request the server to determine whether the bluetooth master device is a related device of the bluetooth slave device according to the identification information of the bluetooth master device, and send the second link value to the application module of the bluetooth slave device when the bluetooth master device is the related device of the bluetooth slave device.
Specifically, the server stores registration information of the bluetooth master device and the bluetooth slave device, and when the application module of the bluetooth slave device sends second link value inquiry information including identification information of the bluetooth master device to the server, the server determines whether the bluetooth master device is a related device of the bluetooth slave device according to the stored registration information of the bluetooth master device and the bluetooth slave device and according to the identification information of the bluetooth master device.
Preferably, in step S4, before the application module of the bluetooth slave device sends the second link value inquiry information to the server, the method further includes:
the application module of the Bluetooth slave equipment judges whether the Bluetooth master equipment is possibly related equipment of the Bluetooth slave equipment or not according to the identification information of the Bluetooth master equipment;
when the Bluetooth master device is a possible related device of the Bluetooth slave device, the application module of the Bluetooth slave device sends second link value inquiry information to the server.
Specifically, when the identification information is a bluetooth address, the application module of the bluetooth slave determines a manufacturer of the bluetooth master according to the first three bytes of the bluetooth address of the bluetooth master, and determines whether the bluetooth master is a possible related device of the bluetooth slave according to manufacturer information of the bluetooth master related to the bluetooth slave, which is stored when the bluetooth slave performs information registration at the application client.
The application module of the Bluetooth slave device preliminarily judges whether the Bluetooth master device is a possible related device of the Bluetooth slave device according to the identification information of the Bluetooth master device, and when the Bluetooth master device is the possible related device of the Bluetooth slave device, the application module of the Bluetooth slave device sends second link value inquiry information to the server, so that the workload of the server is reduced conveniently, and the server is prevented from being too busy.
Step S5, when the bluetooth master device is a related device of the bluetooth slave device, the application module of the bluetooth slave device receives a second chaining value sent by the server, and the first chaining value is the same as the second chaining value.
And step S6, the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first linking value and the second linking value respectively.
Preferably, when the bluetooth master device is connected to the server, the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the step S6 specifically includes:
the application module of the Bluetooth master device calculates a first link key according to a first link key calculation value, the application module of the Bluetooth slave device calculates a second link key according to a second link key calculation value, and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link key and the second link key respectively.
Specifically, the application module of the bluetooth master device may obtain the first link key through a hash algorithm or other algorithms according to the first link key calculated value, and the application module of the bluetooth slave device obtains the second link key through the same algorithm as the algorithm for obtaining the first link key through calculation according to the second link key calculated value.
Preferably, when the bluetooth master device is connected to the server, the first link value is a first link key, and the second link value is a second link key.
Specifically, when the bluetooth master device is connected with the server, the application module of the bluetooth master device receives a random first link key sent by the server, the application module of the bluetooth slave device receives a random second link key sent by the server, and the bluetooth master device and the bluetooth slave device can directly establish connection and perform data transmission according to the first link key and the second link key respectively, so that the first link key and the second link key are directly obtained from the server respectively through the application modules of the bluetooth master device and the bluetooth slave device, the first link key and the second link key are prevented from being calculated locally by the two parties, and the connection speed of the bluetooth master device and the bluetooth slave device is further improved.
Specifically, when the bluetooth master device is powered on every time, for example, when the bluetooth master device is an onboard bluetooth, and when the vehicle is powered on every time when the bluetooth master device is ignited, and when the bluetooth master device is connected with the server, the application module of the bluetooth master device acquires a new random first link value corresponding to the identification information of the bluetooth slave device sent by the server, and the application module of the bluetooth slave device acquires a new second link value sent by the server, so that the bluetooth master device and the bluetooth slave device establish connection and perform data transmission according to the new first link value and the new second link value respectively, and the security of data transmission between the bluetooth master device and the bluetooth slave device is enhanced.
Preferably, when the bluetooth master device is disconnected from the server, the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the determining whether the bluetooth slave device is a related device of the bluetooth master device, when the bluetooth slave device is a related device of the bluetooth master device, an application module of the bluetooth master device obtains a first chaining value corresponding to the identification information of the bluetooth slave device, and specifically includes:
the application module of the Bluetooth master device judges whether the Bluetooth slave device is a related device of the Bluetooth master device or not according to the identification information of the Bluetooth slave device;
when the Bluetooth slave equipment is related to the Bluetooth master equipment, the application module of the Bluetooth master equipment acquires a fixed first link key calculated value corresponding to the identification information of the Bluetooth slave equipment according to the corresponding relation between the identification information of the Bluetooth slave equipment and the link key calculated value stored in the application module of the Bluetooth master equipment;
the bluetooth master device and the bluetooth slave device establish connection and perform data transmission according to the first chaining value and the second chaining value respectively, and the method specifically comprises the following steps:
the application module of the Bluetooth master device calculates a first link key according to a first link key calculation value, the application module of the Bluetooth slave device calculates a second link key according to a second link key calculation value, and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link key and the second link key respectively.
Specifically, when the Bluetooth master device is disconnected with the server, whether the Bluetooth slave device is the relevant device of the Bluetooth master device is determined according to the identification information of the Bluetooth slave device which is stored by the Bluetooth master device and is relevant to the Bluetooth master device when the application client performs information registration, when the Bluetooth slave device is a related device of the Bluetooth master device, the application module of the Bluetooth master device obtains a fixed first link key calculation value according to the corresponding relationship between the identification information of the Bluetooth slave device and the link key calculation value, and when the Bluetooth master device is a related device of the Bluetooth slave device, the server stores the corresponding relation between the identification information of the same Bluetooth slave device stored in the application module of the Bluetooth master device and the link key calculated value, and the application module of the Bluetooth slave device acquires a second link key calculated value which is sent by the server and is the same as the fixed first link key calculated value.
Therefore, when the Bluetooth master device is disconnected with the server, the Bluetooth master device and the Bluetooth slave device can be conveniently and quickly connected.
The connection method of the Bluetooth equipment of the embodiment of the invention avoids that two Bluetooth modules with weak computing capability generate a link key only by means of multiple air interaction and multiple handshaking, not only accelerates the computing process of the link key, but also can complete the pairing process without manual operation, and improves the first connection speed of the Bluetooth equipment.
As shown in fig. 3, the method for connecting a server-based bluetooth device according to an embodiment of the present invention includes the following steps:
step S100, the server receives second chaining value query information sent by an application module of the Bluetooth slave device, wherein the second chaining value query information comprises identification information of the Bluetooth master device;
step S200, the server determines whether the Bluetooth master device is a related device of the Bluetooth slave device according to the identification information of the Bluetooth master device;
step S300, when the bluetooth master device is a related device of the bluetooth slave device, the server sends the second link value to an application module of the bluetooth slave device.
The server determines whether the Bluetooth master device is the related device of the Bluetooth slave device according to the identification information of the Bluetooth master device, and sends the second link value to the application module of the Bluetooth slave device when the Bluetooth master device is the related device of the Bluetooth slave device.
Preferably, the server receives first link value query information sent by an application module of the bluetooth master device, where the first link value query information includes identification information of the bluetooth slave device;
the server determines whether the Bluetooth slave equipment is related to the Bluetooth master equipment or not according to the identification information of the Bluetooth slave equipment;
when the Bluetooth slave device is a related device of the Bluetooth master device, the server sends a first link value corresponding to the identification information of the Bluetooth slave device to an application module of the Bluetooth master device.
As shown in fig. 4, the bluetooth device according to the embodiment of the present invention, which implements the connection method of the bluetooth device based on the bluetooth device according to the embodiment of the present invention, is suitable for a bluetooth master device, and includes a first obtaining module 20, a second obtaining module 30, a first connecting module 40, a first sending module 50, a second connecting module 60, and a first transmitting module 70.
The first obtaining module 20 is configured to obtain, by the bluetooth master device, identification information of a bluetooth slave device.
A second obtaining module 30, configured to, when the bluetooth slave device is a related device of the bluetooth master device, obtain, by an application module of the bluetooth master device, a first link value corresponding to the identification information of the bluetooth slave device.
A first connection module 40 and a first sending module 50, configured to establish a physical link connection between the bluetooth master device and the bluetooth slave device, and send identification information of the bluetooth master device and the bluetooth slave device.
A second connection module 60 and a first transmission module 70, configured to establish a connection between the bluetooth master device and the bluetooth slave device according to the first link value and the second link value, respectively, and perform data transmission.
When the Bluetooth slave equipment is related to the Bluetooth master equipment, the application module of the Bluetooth master equipment acquires a first link value corresponding to the identification information of the Bluetooth slave equipment, the Bluetooth master equipment avoids that the Bluetooth modules of two parties with weaker computing power generate link keys in a mode of multi-time air interaction and multi-time handshake, the computing process of the link keys is accelerated, the pairing process can be completed without manual operation, and the first connection speed of the Bluetooth equipment is improved.
Preferably, the bluetooth device further includes:
a second information sending module, configured to send, by an application module of the bluetooth master device, first link value query information to the server, where the first link value query information includes identification information of the bluetooth slave device;
the second obtaining module 30 is specifically configured to, when the bluetooth slave device is a related device of the bluetooth master device, receive, by an application module of the bluetooth master device, a random first link value corresponding to the identification information of the bluetooth slave device, where the random first link value is sent by the server.
Preferably, the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the second connection module 60 and the first transmission module 70 are specifically configured to, an application module of the bluetooth master device calculates a first link key according to a first link key calculation value, and the bluetooth master device and the bluetooth slave device establish connection and perform data transmission according to the first link key and the second link key, respectively.
Preferably, the first link value is a first link key calculation value, and the second link value is a second link key calculation value, and the bluetooth device further includes:
the second judgment module is used for judging whether the Bluetooth slave equipment is related equipment of the Bluetooth master equipment or not by the application module of the Bluetooth master equipment according to the identification information of the Bluetooth slave equipment;
the second obtaining module 30 is specifically configured to, when the bluetooth slave device is a related device of the bluetooth master device, obtain, by an application module of the bluetooth master device, a fixed first link key calculated value corresponding to the identification information of the bluetooth slave device according to a correspondence between the identification information of the bluetooth slave device and the link key calculated value stored in the application module of the bluetooth master device;
the second connection module 60 and the first transmission module 70 are specifically configured to, an application module of the bluetooth master device calculates a first link key according to a first link key calculation value, and the bluetooth master device and the bluetooth slave device establish connection and perform data transmission according to the first link key and the second link key, respectively.
The bluetooth device according to the embodiment of the present invention, which implements the method for connecting the bluetooth device based on the bluetooth device according to the embodiment of the present invention, is suitable for a bluetooth slave device, and includes a third connection module, a first receiving module, a first information sending module, a second receiving module, a fourth connection module, and a second transmission module.
The third connection module and the first receiving module are used for establishing physical link connection with the bluetooth master device and receiving the identification information of the bluetooth master device sent by the bluetooth master device.
The first information sending module is used for sending second chaining value inquiry information to the server by the Bluetooth slave device, wherein the second chaining value inquiry information comprises the identification information of the Bluetooth master device.
And the second receiving module is used for receiving a second link value sent by the server by the application module of the Bluetooth slave device when the Bluetooth master device is a related device of the Bluetooth slave device.
And the fourth connection module and the second transmission module are used for establishing connection with the Bluetooth master device according to the second link value and the first link value respectively and performing data transmission.
By obtaining the second link value corresponding to the identification information of the bluetooth master device from the server by the application module of the bluetooth slave device when the bluetooth master device is a related device of the bluetooth slave device, the bluetooth slave device of the embodiment of the invention avoids the situation that the bluetooth modules of two parties with weaker computing power generate link keys only in a mode of multi-time air interaction and multi-time handshake, thereby not only accelerating the computing process of the link keys, but also completing the pairing process without manual operation, and improving the first connection speed of the bluetooth devices.
Preferably, the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the fourth connection module and the second transmission module are specifically configured to calculate, by the application module of the bluetooth slave device, a second link key according to a second link key calculation value, and establish connection and perform data transmission between the bluetooth slave device and the bluetooth master device according to the second link key and the first link key, respectively.
Preferably, the bluetooth device further includes:
and the third judging module is used for judging whether the Bluetooth master device is a possible related device of the Bluetooth slave device or not by the application module of the Bluetooth slave device according to the identification information of the Bluetooth master device.
As shown in fig. 5, the server according to the embodiment of the present invention, which implements the above-described connection method of the server-based bluetooth device according to the embodiment of the present invention, includes a third receiving module 200, a first judging module 300, and a second transmitting module 400.
The third receiving module 200 is configured to receive, by the server, second link value query information sent by an application module of the bluetooth slave device, where the second link value query information includes identification information of the bluetooth master device.
A first determining module 300, configured to determine, by the server, whether the bluetooth master device is a device related to the bluetooth slave device according to the identification information of the bluetooth master device.
A second sending module 400, configured to, when the bluetooth master device is a related device of the bluetooth slave device, send the second link value to an application module of the bluetooth slave device by the server.
The server receives the second chaining value query information sent by the application module of the Bluetooth slave device, and sends the second chaining value to the application module of the Bluetooth slave device when the Bluetooth master device is the related device of the Bluetooth slave device.
Preferably, the server further comprises:
a fourth receiving module, configured to receive, by the server, first link value query information sent by an application module of the bluetooth master device, where the first link value query information includes identification information of the bluetooth slave device;
a fourth judging module, configured to determine, by the server, whether the bluetooth slave device is a device related to the bluetooth master device according to the identification information of the bluetooth slave device;
a third sending module, configured to, when the bluetooth slave device is a related device of the bluetooth master device, send, by the server, a first link value corresponding to the identification information of the bluetooth slave device to an application module of the bluetooth master device.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A method for connecting a bluetooth device, comprising:
the Bluetooth master device acquires identification information of the Bluetooth slave device;
judging whether the Bluetooth slave device is a related device of the Bluetooth master device, and when the Bluetooth slave device is the related device of the Bluetooth master device, an application module of the Bluetooth master device acquiring a first link value corresponding to the identification information of the Bluetooth slave device;
the Bluetooth master device establishes physical link connection with the Bluetooth slave device and sends identification information of the Bluetooth master device to the Bluetooth slave device;
the application module of the Bluetooth slave device sends second chaining value query information to a server, wherein the second chaining value query information comprises identification information of the Bluetooth master device and is used for requesting the server to determine whether the Bluetooth master device is a relevant device of the Bluetooth slave device or not according to the identification information of the Bluetooth master device, and the second chaining value is sent to the application module of the Bluetooth slave device when the Bluetooth master device is the relevant device of the Bluetooth slave device;
when the Bluetooth master device is a related device of the Bluetooth slave device, an application module of the Bluetooth slave device receives a second chaining value sent by the server, wherein the first chaining value is the same as the second chaining value;
and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link value and the second link value respectively.
2. The connection method of a Bluetooth device according to claim 1,
when the bluetooth master device is connected to the server, the determining whether the bluetooth slave device is a device related to the bluetooth master device, and when the bluetooth slave device is a device related to the bluetooth master device, an application module of the bluetooth master device obtains a first link value corresponding to the identification information of the bluetooth slave device, specifically including:
the application module of the Bluetooth master device sends first link value query information to the server, wherein the first link value query information comprises identification information of the Bluetooth slave device and is used for requesting the server to determine whether the Bluetooth slave device is a relevant device of the Bluetooth master device according to the identification information of the Bluetooth slave device, and when the Bluetooth slave device is the relevant device of the Bluetooth master device, the application module of the Bluetooth master device sends the first link value;
when the Bluetooth slave device is a related device of the Bluetooth master device, an application module of the Bluetooth master device receives a random first link value corresponding to the identification information of the Bluetooth slave device, which is sent by the server.
3. The connection method of the Bluetooth device according to claim 2,
the first link value is a first link key calculation value, the second link value is a second link key calculation value,
the bluetooth master device and the bluetooth slave device establish connection and perform data transmission according to the first chaining value and the second chaining value respectively, and the method specifically includes:
the application module of the Bluetooth master device calculates a first link key according to a first link key calculation value, the application module of the Bluetooth slave device calculates a second link key according to a second link key calculation value, and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link key and the second link key respectively.
4. The connection method of the Bluetooth device according to claim 2,
the first link value is a first link key, and the second link value is a second link key.
5. The connection method of a Bluetooth device according to claim 1,
when the Bluetooth master device is disconnected from the server, the first link value is a first link key calculation value, and the second link value is a second link key calculation value,
the determining whether the bluetooth slave device is a related device of the bluetooth master device, and when the bluetooth slave device is the related device of the bluetooth master device, acquiring, by an application module of the bluetooth master device, a first link value corresponding to the identification information of the bluetooth slave device specifically include:
the application module of the Bluetooth master device judges whether the Bluetooth slave device is a related device of the Bluetooth master device according to the identification information of the Bluetooth slave device;
when the Bluetooth slave device is a related device of the Bluetooth master device, an application module of the Bluetooth master device acquires a fixed first link key calculation value corresponding to the identification information of the Bluetooth slave device according to a correspondence between the identification information of the Bluetooth slave device and the link key calculation value stored in the application module;
the bluetooth master device and the bluetooth slave device establish connection and perform data transmission according to the first chaining value and the second chaining value respectively, and the method specifically includes:
the application module of the Bluetooth master device calculates a first link key according to a first link key calculation value, the application module of the Bluetooth slave device calculates a second link key according to a second link key calculation value, and the Bluetooth master device and the Bluetooth slave device establish connection and perform data transmission according to the first link key and the second link key respectively.
6. The connection method of a Bluetooth device according to claim 1,
before the application module of the bluetooth slave device sends the second link value inquiry information to the server, the method further includes:
the application module of the Bluetooth slave device judges whether the Bluetooth master device is a possible related device of the Bluetooth slave device according to the identification information of the Bluetooth master device;
and when the Bluetooth master device is a possibly related device of the Bluetooth slave device, the application module of the Bluetooth slave device sends second link value inquiry information to a server.
7. A connection method of a Bluetooth device is characterized in that,
the server receives second chaining value query information sent by an application module of the Bluetooth slave device, wherein the second chaining value query information comprises identification information of the Bluetooth master device;
the server determines whether the Bluetooth master device is a related device of the Bluetooth slave device according to the identification information of the Bluetooth master device;
when the Bluetooth master device is a related device of the Bluetooth slave device, the server sends the second link value to an application module of the Bluetooth slave device.
8. The connection method of the Bluetooth device according to claim 7,
the server receives first chaining value query information sent by an application module of the Bluetooth master device, wherein the first chaining value query information comprises identification information of the Bluetooth slave device;
the server determines whether the Bluetooth slave equipment is related to the Bluetooth master equipment or not according to the identification information of the Bluetooth slave equipment;
when the Bluetooth slave device is a related device of the Bluetooth master device, the server sends a first link value corresponding to the identification information of the Bluetooth slave device to an application module of the Bluetooth master device.
9. A bluetooth device adapted for use with a bluetooth master device, comprising:
the first acquisition module is used for the Bluetooth master equipment to acquire the identification information of the Bluetooth slave equipment;
a second obtaining module, configured to, when the bluetooth slave device is a related device of the bluetooth master device, obtain, by an application module of the bluetooth master device, a first link value corresponding to identification information of the bluetooth slave device;
the first connection module and the first sending module are used for establishing physical link connection between the Bluetooth master device and the Bluetooth slave device and sending identification information of the Bluetooth master device and the Bluetooth slave device to the Bluetooth slave device;
and the second connection module and the first transmission module are used for establishing connection and performing data transmission between the Bluetooth master device and the Bluetooth slave device according to the first link value and the second link value respectively.
10. A bluetooth device adapted for use with a bluetooth slave device, comprising:
the third connection module and the first receiving module are used for establishing physical link connection with the Bluetooth master device and receiving the identification information of the Bluetooth master device sent by the Bluetooth master device;
a first information sending module, configured to send, by the bluetooth slave device, second link value query information to a server, where the second link value query information includes identification information of the bluetooth master device;
a second receiving module, configured to, when the bluetooth master device is a related device of the bluetooth slave devices, receive, by an application module of the bluetooth slave device, a second link value sent by the server;
and the fourth connection module and the second transmission module are used for establishing connection with the Bluetooth master device according to the second link value and the first link value respectively and performing data transmission.
11. A server, comprising:
a third receiving module, configured to receive, by the server, second link value query information sent by an application module of the bluetooth slave device, where the second link value query information includes identification information of the bluetooth master device;
the first judgment module is used for the server to determine whether the Bluetooth master device is a related device of the Bluetooth slave device according to the identification information of the Bluetooth master device;
and a second sending module, configured to, when the bluetooth master device is a device related to the bluetooth slave device, send, by the server, the second link value to an application module of the bluetooth slave device.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080039153A (en) * | 2006-10-31 | 2008-05-07 | 에스케이 텔레콤주식회사 | Method for pairing between mobile communication terminal and bluetooth device, mobile communication terminal and system for the same |
| US20080287062A1 (en) * | 2007-05-17 | 2008-11-20 | Advanced Medical Optics, Inc. | Exclusive pairing technique for bluetooth compliant devices |
| US20140057563A1 (en) * | 2012-08-21 | 2014-02-27 | Research In Motion Limited | Smart proximity priority pairing |
| US20140206290A1 (en) * | 2013-01-22 | 2014-07-24 | Samsung Electronics Co., Ltd. | Bluetooth device and method for providing and obtaining bluetooth device information |
| CN104378145A (en) * | 2014-11-27 | 2015-02-25 | 北京深思数盾科技有限公司 | Pairing method and system of Bluetooth device |
| CN105338472A (en) * | 2015-09-29 | 2016-02-17 | 爱国者电子科技有限公司 | Wireless routing equipment, wireless routing system and communication method |
| CN105611488A (en) * | 2015-12-31 | 2016-05-25 | 福建联迪商用设备有限公司 | Automatic Bluetooth connection method and master device, slave device and system |
| CN108471610A (en) * | 2018-03-02 | 2018-08-31 | 杨宪国 | Bluetooth connection control system |
| US20190081937A1 (en) * | 2016-06-24 | 2019-03-14 | Feitian Technologies Co., Ltd. | Bluetooth device and working method thereof |
| CN110012049A (en) * | 2018-11-27 | 2019-07-12 | 阿里巴巴集团控股有限公司 | Information-pushing method, system, server and computer readable storage medium |
| US20200045611A1 (en) * | 2017-03-07 | 2020-02-06 | China Mobile (Hangzhou) Information Technology Co., Ltd. | Method, device and system of controlling bluetooth networking among physical devices |
-
2020
- 2020-07-23 CN CN202010718150.1A patent/CN111818498B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080039153A (en) * | 2006-10-31 | 2008-05-07 | 에스케이 텔레콤주식회사 | Method for pairing between mobile communication terminal and bluetooth device, mobile communication terminal and system for the same |
| US20080287062A1 (en) * | 2007-05-17 | 2008-11-20 | Advanced Medical Optics, Inc. | Exclusive pairing technique for bluetooth compliant devices |
| US20140057563A1 (en) * | 2012-08-21 | 2014-02-27 | Research In Motion Limited | Smart proximity priority pairing |
| US20140206290A1 (en) * | 2013-01-22 | 2014-07-24 | Samsung Electronics Co., Ltd. | Bluetooth device and method for providing and obtaining bluetooth device information |
| CN104378145A (en) * | 2014-11-27 | 2015-02-25 | 北京深思数盾科技有限公司 | Pairing method and system of Bluetooth device |
| CN105338472A (en) * | 2015-09-29 | 2016-02-17 | 爱国者电子科技有限公司 | Wireless routing equipment, wireless routing system and communication method |
| CN105611488A (en) * | 2015-12-31 | 2016-05-25 | 福建联迪商用设备有限公司 | Automatic Bluetooth connection method and master device, slave device and system |
| US20190081937A1 (en) * | 2016-06-24 | 2019-03-14 | Feitian Technologies Co., Ltd. | Bluetooth device and working method thereof |
| US20200045611A1 (en) * | 2017-03-07 | 2020-02-06 | China Mobile (Hangzhou) Information Technology Co., Ltd. | Method, device and system of controlling bluetooth networking among physical devices |
| CN108471610A (en) * | 2018-03-02 | 2018-08-31 | 杨宪国 | Bluetooth connection control system |
| CN110012049A (en) * | 2018-11-27 | 2019-07-12 | 阿里巴巴集团控股有限公司 | Information-pushing method, system, server and computer readable storage medium |
Non-Patent Citations (2)
| Title |
|---|
| 严霄凤;: "蓝牙安全研究", 网络安全技术与应用, no. 02 * |
| 田翠玲;曹霞;余笑;许政涛;叶亮;: "野外设备监控系统在Android平台上的应用", 电子测量技术, no. 15 * |
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|---|---|
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