CN107995320A - Method and device for WIFI device communication - Google Patents

Abstract

The present invention discloses a method and device for communicating with WIFI devices. The method includes: receiving a temporary media access control MAC address assigned by a wireless access point AP device, wherein the temporary MAC address is the real one of the AP device The MAC address is pre-assigned; communication is performed based on the temporary MAC address. Through the technical solution of the present invention, the privacy threat problems such as radio tracking, identity collection, and data packet collection based on MAC addresses in the prior art are solved, and the effect of protecting the privacy of WIFI equipment is achieved.

Description

Method and device for WIFI device communication

technical field

The present invention relates to the field of mobile terminals, in particular to a method and device for WIFI device communication.

Background technique

With entering the mobile Internet era, the use of mobile terminals has become very common, and each mobile terminal is equipped with a wireless connection (WIreless-Fidelity, WIFI) device module for communication, and WIFI communication brings convenience to people. The Media Access Control (MAC) address of WIFI communication is fixed, and each data packet contains MAC information, which can be used to uniquely identify a communication object.

At present, there are devices on the market for radio tracking and identity collection based on MAC addresses. In addition, after collecting the fixed MAC data packet, it can be cracked on a supercomputer, thereby obtaining the real information of the user and exposing the privacy of the user. This creates privacy concerns, with private information including location, identity, data, and more. In addition, with the continuous development of my country's radio industry chain, the manufacturing and acquisition threshold of WIFI communication tracking and data collection equipment is getting lower and lower, which further exacerbates the possibility of privacy exposure of mobile terminal users.

Contents of the invention

In order to solve the above problems, the present invention provides a method and device for communicating with WIFI devices. By using temporary MAC addresses for communication, the privacy threats such as radio tracking, identity collection, and data packet collection based on MAC addresses in the prior art are solved. , to achieve the effect of protecting the privacy of WIFI devices.

In order to achieve the above object, the present invention proposes a method for WIFI device communication, including:

receiving a temporary media access control MAC address allocated by a wireless access point (Access Point, AP) device, wherein the temporary MAC address is pre-allocated by the AP device for a real MAC address;

Communication is performed according to the temporary MAC address.

Further, before communicating according to the temporary MAC address, the method also includes:

Set a timer for each temporary MAC address;

When the timer is cleared, the currently used temporary MAC address becomes invalid, and the invalid temporary MAC address is replaced with the temporary MAC address allocated by the AP device or the temporary MAC address reassigned by the AP device is accepted.

Further, the temporary MAC address is inserted into the frame for transmission after the extended frame field is constructed and encrypted.

Further, after receiving the temporary MAC address assigned by the wireless access point AP device, the method further includes: parsing the frame containing the temporary MAC address to obtain the temporary MAC address.

Further, there is at least one temporary MAC address, and the temporary MAC addresses are not repeated.

The invention also discloses a device for communicating with WIFI devices, which includes:

A receiving unit, configured to receive a temporary media access control MAC address assigned by an AP device, wherein the temporary MAC address is pre-allocated by the AP device for a real MAC address;

A communication unit, configured to communicate according to the temporary MAC address.

Further, the device also includes:

a setting unit, configured to set a timer for each temporary MAC address;

The replacement unit is used to replace the invalid temporary MAC address with the temporary MAC address assigned by the AP device or receive the temporary MAC address reassigned by the AP device when the timer is cleared and the currently used temporary MAC address becomes invalid. address.

Further, the temporary MAC address is inserted into the frame for transmission after the extended frame field is constructed and encrypted.

Further, the device also includes:

The parsing unit is configured to parse the frame containing the temporary MAC address to obtain the temporary MAC address.

Further, there is at least one temporary MAC address, and the temporary MAC addresses are not repeated.

The present invention discloses a method and device for communicating with WIFI devices. The method includes: receiving a temporary media access control MAC address allocated by a wireless access point AP device, wherein the temporary MAC address is a real AP device The MAC address is pre-assigned; communication is performed based on the temporary MAC address. Through the technical scheme of the present invention, the privacy threat problems such as radio tracking, identity collection, and data packet collection based on MAC addresses in the prior art are solved, and the effect of protecting the privacy of WIFI equipment is achieved.

Description of drawings

The accompanying drawings are used to provide a further understanding of the technical solution of the present invention, and constitute a part of the description, and are used together with the embodiments of the application to explain the technical solution of the present invention, and do not constitute a limitation to the technical solution of the present invention.

FIG. 1 is a first schematic flow diagram of a method for communicating with a WIFI device provided by an embodiment of the present invention;

FIG. 2 is a second schematic flow diagram of a method for WIFI device communication provided by an embodiment of the present invention;

Fig. 3 is a device block diagram 1 of a WIFI device communication provided by an embodiment of the present invention;

Fig. 4 is a block diagram 2 of an apparatus for WIFI device communication provided by an embodiment of the present invention;

FIG. 5 is a third block diagram of an apparatus for WIFI device communication provided by an embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

Embodiment one

In order to solve the problems existing in the prior art, an embodiment of the present invention provides a method for communicating with WIFI devices. FIG. 1 is a schematic flow diagram of a method for communicating with WIFI devices provided by an embodiment of the present invention. As shown in FIG. 1 , The method includes the following processing steps:

S101: Receive the temporary media access control MAC address allocated by the AP device, where the temporary MAC address is pre-allocated by the AP device for the real MAC address;

After the WIFI device is connected to the AP device, the AP device assigns a temporary MAC address to the wifi device, and sends the temporary MAC address to the wifi device. After receiving the temporary MAC address, the WIFI device sends a confirmation instruction to the AP device.

Further, the temporary MAC address is inserted into the frame for transmission after the extended frame field is constructed and encrypted.

The temporary MAC address is transmitted in the header of the communication frame, immediately following the normal protocol field. The protocol extension field includes the following contents: (1) function flag (flag), which identifies whether to enable the present invention; (2) message type, including categories such as "assignment (ASIGN)" and "acknowledgment (ACK)"; (3) Message length field; (4) message body, including the allocated temporary MAC address and corresponding survival time, this message is transmitted by encryption; (5) verification information.

Further, after receiving the temporary MAC address allocated by the wireless access point AP device, the method further includes: parsing the frame containing the temporary MAC address to obtain the temporary MAC address.

Further, there is at least one temporary MAC address, and the temporary MAC addresses are not repeated. The address of the AP device can be changed, but the temporary MAC address should be generated by a fixed device in the WIFI network to prevent temporary MAC duplication, thereby avoiding conflicts and packet loss.

S102: Perform communication according to the temporary MAC address.

Further, FIG. 2 is a second schematic flow diagram of a method for communicating with a WIFI device provided in an embodiment of the present invention. As shown in FIG. 2 , before performing communication according to the temporary MAC address, the method further includes:

S201: Set a timer for each temporary MAC address; wherein, the timer is used to identify whether a temporary MAC address is invalid.

S202: When the timer is cleared, the currently used temporary MAC address becomes invalid, and the invalid temporary MAC address is replaced with a temporary MAC address allocated by the AP device or a temporary MAC address reassigned by the AP device is received.

Embodiment two

The embodiment of the present invention also provides a device for communicating with WIFI devices. FIG. 3 is a block diagram of a device for communicating with WIFI devices provided by an embodiment of the present invention. As shown in FIG. 3 , the device includes:

The receiving unit 31 is configured to receive a temporary media access control MAC address allocated by the AP device, wherein the temporary MAC address is pre-allocated by the AP device for a real MAC address;

The communication unit 32 is configured to perform communication according to the temporary MAC address.

Further, the temporary MAC address is inserted into the frame for transmission after the extended frame field is constructed and encrypted.

The temporary MAC address is transmitted in the header of the communication frame, immediately following the normal protocol field. The protocol extension field includes the following contents: (1) function flag (flag), which identifies whether to enable the present invention; (2) message type, including categories such as "assignment (ASIGN)" and "acknowledgment (ACK)"; (3) Message length field; (4) message body, including the allocated temporary MAC address and corresponding survival time, this message is transmitted by encryption; (5) verification information.

Further, FIG. 4 is a block diagram 2 of an apparatus for WIFI device communication provided by an embodiment of the present invention. As shown in FIG. 4 , the apparatus further includes: the apparatus further includes:

The parsing unit 41 is configured to parse the frame containing the temporary MAC address to obtain the temporary MAC address.

Further, there is at least one temporary MAC address, and the temporary MAC addresses are not repeated. The address of the AP device can be changed, but the temporary MAC address should be generated by a fixed device in the WIFI network to prevent temporary MAC duplication, thereby avoiding conflicts and packet loss.

Further, Fig. 5 is a block diagram three of an apparatus for WIFI device communication provided by an embodiment of the present invention. As shown in Fig. 5, the apparatus further includes:

The setting unit 51 is configured to set a timer for each temporary MAC address; wherein, the timer is used to identify whether a temporary MAC address is invalid.

The replacement unit 52 is configured to replace the invalid temporary MAC address with the temporary MAC address assigned by the AP device or receive the temporary MAC address reassigned by the AP device when the timer is cleared and the currently used temporary MAC address becomes invalid.

Embodiment Three

The embodiment of the invention also provides a storage medium. Optionally, in this embodiment, the foregoing storage medium may be configured to store program codes for executing the steps of the foregoing method embodiments.

Optionally, the storage medium is further configured to store program codes for executing the steps of the foregoing method embodiments.

Optionally, in this embodiment, the above-mentioned storage medium may include but not limited to: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk Various media that can store program codes such as discs or optical discs.

Optionally, in this embodiment, the set-top box executes the method steps of the foregoing embodiments according to the program code stored in the storage medium.

Optionally, for specific examples in this embodiment, reference may be made to the examples described in the foregoing method embodiments and optional implementation manners, and details are not repeated in this embodiment.

Although the embodiments disclosed in the present invention are as above, the described content is only an embodiment adopted for understanding the present invention, and is not intended to limit the present invention. Anyone skilled in the field of the present invention can make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed by the present invention, but the patent protection scope of the present invention must still be The scope defined by the appended claims shall prevail.

Claims (10)

1. A kind of 1. method of WIFI equipment communication, it is characterised in that including：

   The temporary media access control MAC Address of wireless access points AP equipment distribution is received, wherein, the interim MAC Location is that the AP equipment is pre-assigned for real MAC Address；

   Communicated according to the temporary MAC address.
2. 2. according to the method described in claim 1, it is characterized in that, before being communicated according to the temporary MAC address, institute The method of stating further includes：

   For each temporary MAC address, timer is set；

   When timer is reset, the failure of currently used temporary MAC address, institute is changed to by the temporary MAC address of the failure State the allocated temporary MAC address of AP equipment or receive the AP equipment and redistribute temporary MAC address.
3. 3. according to the method described in claim 2, it is characterized in that, the temporary MAC address is to extend frame field simultaneously in structure After encryption, it is inserted into frame what is be transmitted.
4. 4. according to the method described in claim 3, it is characterized in that, receiving the temporary media access control of AP equipment distribution After MAC Address, further include：Parsing includes the frame of temporary MAC address, obtains the temporary MAC address.
5. 5. according to the method described in claim 1-4 any one, it is characterised in that the temporary MAC address at least one, And the temporary MAC address does not repeat.
6. A kind of 6. device of WIFI equipment communication, it is characterised in that including：

   Receiving unit, the temporary media access for receiving the distribution of wireless access points AP equipment control MAC Address, wherein, The temporary MAC address is that the AP equipment is pre-assigned for real MAC Address；

   Communication unit, for being communicated according to the temporary MAC address.
7. 7. device according to claim 6, it is characterised in that described device further includes：

   Setting unit, for setting timer for each temporary MAC address；

   Unit is replaced, for when timer is reset, currently used temporary MAC address to fail, by the interim MAC of the failure Address substitution redistributes temporary MAC address for the allocated temporary MAC address of the AP equipment or the reception AP equipment.
8. 8. device according to claim 7, it is characterised in that the temporary MAC address is to extend frame field simultaneously in structure After encryption, it is inserted into frame what is be transmitted.
9. 9. device according to claim 8, it is characterised in that described device further includes：

   Resolution unit, for parsing the frame for including temporary MAC address, obtains the temporary MAC address.
10. 10. according to the device described in claim 6-9 any one, it is characterised in that the temporary MAC address at least one It is a, and the temporary MAC address does not repeat.