CN208797938U - A kind of WIFI module with security encryption chip - Google Patents
A kind of WIFI module with security encryption chip Download PDFInfo
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- CN208797938U CN208797938U CN201821677073.4U CN201821677073U CN208797938U CN 208797938 U CN208797938 U CN 208797938U CN 201821677073 U CN201821677073 U CN 201821677073U CN 208797938 U CN208797938 U CN 208797938U
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Abstract
The utility model discloses a kind of WIFI modules with security encryption chip, onboard PCB antenna is provided on pcb board, the safety chip includes microprocessor module, NFC signal processing module, security module, input/output interface module, power module, data transmission module, interface module, clock module and data memory module；The input/output interface module, microprocessor module, NFC signal processing module connect bus by the inside of chip with security module and are successively electrically connected；The power module, data transmission module, interface module, clock module and data memory module are connect with micro controller module respectively；The security module and external R-T unit are electrically connected, the external R-T unit includes external reception device and external sending device, the input/output interface module and external interface device are electrically connected, the utility model combines the WIFI communication technology and hardware security encryption technology, safe encryption is carried out to the communication data of the equipment under the premise of not changing WIFI equipment body design, the purpose for spending minimum cost that traditional WIFI equipment is upgraded to safety encryption WIFI equipment can be realized.
Description
Technical field
The utility model belongs to intelligent WIFI control field more particularly to a kind of WIFI mould with security encryption chip
Block.
Background technique
In recent years, universal with Internet of Things, smart home market it is hot, more and more household equipments can connect
To WIFI network, these equipment will generate many data, such as: in intelligent family, various sensor acquisitions
The family data arrived, user manage the behavioral data of household electrical appliances, and the status data etc. of household electrical appliances itself will all pass through network transmission to phase
In the server answered.And current intelligent appliance most of in the market and the data information of single-item equipment are all unencryption " plaintexts "
Or it is transmitted on network after the encryption of the plaintext code key by being fixed in code, therefore hacker is deposited by dis-assembling acquisition
Equipment can be attacked by storing up code key in code, in order to avoid these equipment will not be attacked and data are let out easily
Dew, it is a kind of with hardware security encryption WIFI module be embedded in these smart machines just and will necessitate.WIFI is communicated
Technology and hardware security encryption technology combine, to the communication number of the equipment under the premise of not changing WIFI equipment body design
According to safe encryption is carried out, the mesh for spending minimum cost that traditional WIFI equipment is upgraded to safety encryption WIFI equipment can be realized
's.
NFC (Near Field Communication) i.e. near field communication (NFC), is by PHILIPS Co. and rope
A kind of non contact angle measurement and interconnection technique of Buddhist nun company joint development, can be in mobile device, consumer electronics product, FC
Wireless near field communication is carried out between intelligent control tool, NFC provides a kind of simple, touch solution, Ke Yirang
Exchange to consumer's simple, intuitive information, access content and service.
Oneself is formd international standard IS021481 to NFC, covers IS018092, IS014443's, IS015693 etc.
Content, the achievable function of NFC include non-contact card, contactless card reader and point-to-point (Feer-to-Feer) communication
Three kinds, in the prior art, the input/output interface of NFC chip is mainly UART, and the digital communication interfaces such as SFI realize number letter
Conversion number with NFC analog signal, these NFC chips are commonly used in being embedded into inside mobile phone together with the main control chip of mobile phone
Mobile phone NFC function is realized in work, and Cell Phone Design and manufacturer is needed to realize.If to allow oneself to have by a device
Mobile phone or other equipment realize NFC function, this device just needs existing NFC chip to add some other chips to solve again
Certainly with the Communication of these existing equipments, cost is both increased, while also increasing small product size, and in original equipment
It is not provided with data storage and clock module, clock signal cannot be provided to chip in time, and carry out to received data
Storage management backs up legacy data, on the other hand in chip in use, data are easy to appear not in transmission process
Security problems.
Utility model content
Technical problem to be solved in the utility model be for background technique deficiency provide it is a kind of with safety encryption
The WIFI module of chip combines the WIFI communication technology and hardware security encryption technology, sets not changing WIFI equipment main body
Safe encryption is carried out to the communication data of the equipment under the premise of meter, can be realized and spend minimum cost by traditional WIFI equipment liter
Grade encrypts the purpose of WIFI equipment for safety.
The utility model uses following technical scheme to solve above-mentioned technical problem
A kind of WIFI module with security encryption chip, is provided with onboard PCB antenna on pcb board, in the pcb board
On be welded with WIFI chip, the corresponding antenna pin of WIFI chip is connect with onboard PCB antenna, and safety chip is welded on pcb board
It above and with WIFI chip connect, the memory chip connecting with WIFI chip is also welded on the pcb board and for connecting
The power interface of external power supply, power interface connect external power supply and converted rear each chip power supply on pcb board, the peace
Full chip includes microprocessor module, NFC signal processing module, security module, input/output interface module, power module, number
According to transmission module, interface module, clock module and data memory module；The input/output interface module, microprocessor module,
NFC signal processing module connects bus by the inside of chip with security module and is successively electrically connected；The power module, number
It is connect respectively with micro controller module according to transmission module, interface module, clock module and data memory module；The security module
It is electrically connected with external R-T unit, the external R-T unit includes external reception device and external sending device, described defeated
Enter output interface module and external interface device is electrically connected；
The data transmission module includes local oscillator, modulation circuit, frequency mixer, demodulator circuit and transmits and receives switching
Circuit, local oscillator and modulation circuit transmit and receive switching circuit and are separately connected, frequency mixer and transmit and receive switching circuit,
Modulation circuit is separately connected, and frequency mixer is connect with demodulator circuit, and local oscillator is connect with micro controller module.
As a kind of further preferred scheme of the WIFI module with security encryption chip of the utility model, the safety
Encrypting module, deciphering module are provided in module.
As a kind of further preferred scheme of the WIFI module with security encryption chip of the utility model, micro- place
Reason device module uses chip model for the dsp processor chip of TMS320F28069.
As a kind of further preferred scheme of the WIFI module with security encryption chip of the utility model, the data
Memory module includes for the RAM management module to ram in slice progress real-time management and for carrying out to in-chip FLASH
The FLASH management module of real-time management.
As a kind of further preferred scheme of the WIFI module with security encryption chip of the utility model, the input
Output interface module can be bluetooth communication unit, WIFI communication unit, digital analog converter, USB control unit or SD/MMC
Control unit, and corresponding external interface device can connect for ultra-high frequency antenna, ultra-high frequency antenna, audio connector, USB
Connect device or SD/MMC connector.
As a kind of further preferred scheme of the WIFI module with security encryption chip of the utility model, the WIFI
Chip is QCA4004B or RealTek8711AF or RealTek8711AM or ESP8266.
The utility model compared with the prior art by using the above technical solution, has following technical effect that
Safety chip described in the utility model includes microprocessor module, NFC signal processing module, security module, input
Output interface module, power module, data transmission module, interface module, clock module and data memory module, which solve will
The WIFI communication technology and hardware security encryption technology combine, to the equipment under the premise of not changing WIFI equipment body design
Communication data carry out safe encryption, can be realized and spend minimum cost that traditional WIFI equipment is upgraded to safety encryption WIFI to set
Standby purpose.
The utility model carries out near radio between mobile device, consumer electronics product, FC and intelligent control tool
Communication, NFC provide a kind of simple, touch solution, exchange information, access with can allowing consumer's simple, intuitive
Content and service；
The utility model has not only saved cost, while also reducing small product size, and is arranged in original equipment
Have data store and clock module, can in time to chip provide clock signal, and to received data carry out storage management or
Legacy data is backed up, on the other hand in chip in use, data effectively avoid being easy to appear not in transmission process
Security problems.
Detailed description of the invention
Fig. 1 is the structure principle chart of the utility model safety chip；
Fig. 2 is the structure principle chart of the utility model data transmission module.
Specific embodiment
The technical solution of the utility model is described in further detail with reference to the accompanying drawing:
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
A kind of WIFI module with security encryption chip, including pcb board, the pcb board 1 are equipped with onboard PCB antenna,
WIFI chip is welded on the pcb board, the corresponding antenna pin of WIFI chip 3 is connect with onboard PCB antenna, safety chip
Be welded on pcb board and connect with WIFI core 3, be also welded on the pcb board memory chip that is connect with WIFI chip with
And the power interface for connecting external power supply, power interface connect external power supply and converted rear each chip on pcb board
Power supply.
The antenna periphery circuit element matched with onboard PCB antenna and WIFI chip phase are also welded on the pcb board
The WIFI chip periphery circuit element of cooperation, the safety chip peripheral circuit element and storage core matched with safety chip
The memory chip peripheral circuit element that piece matches and the module power supply circuit element matched with power interface, the plate
PCB antenna and antenna periphery circuit element group are carried into antenna element, the WIFI chip and WIFI chip periphery circuit element group
At WIFI chip unit, the memory chip and memory chip peripheral circuit element form memory cell, the safety
Chip and safety chip peripheral circuit element form safety chip unit, and the power interface and module power supply circuit element form
Power supply unit for powering to WIFI module.
As shown in Figure 1, the safety chip includes microprocessor module, NFC signal processing module, security module, input
Output interface module, power module, data transmission module, interface module, clock module and data memory module；The input is defeated
It is successively electric that outgoing interface module, microprocessor module, NFC signal processing module and security module by the inside of chip connect bus
Property connection；The power module, data transmission module, interface module, clock module and data memory module respectively with microcontroller
The connection of device module；The security module and external R-T unit are electrically connected, and the external R-T unit receives dress including external
It sets and external sending device, the input/output interface module and external interface device is electrically connected；
As shown in Fig. 2, the data transmission module includes local oscillator, modulation circuit, frequency mixer, demodulator circuit and hair
Reception switching circuit is sent, local oscillator is separately connected with modulation circuit, transmitting and receiving switching circuit, frequency mixer and transmitting and receiving
Switching circuit, modulation circuit are separately connected, and frequency mixer is connect with demodulator circuit, and local oscillator is connect with micro controller module.
Encrypting module, deciphering module are provided in the security module.
The microprocessor module uses chip model for the dsp processor chip of TMS320F28069.
The data memory module includes for the RAM management module to ram in slice progress real-time management and being used for
The FLASH management module of real-time management is carried out to in-chip FLASH.
The input/output interface module can be bluetooth communication unit, WIFI communication unit, digital analog converter, USB control
Unit or SD/MMC control unit, and corresponding external interface device can be ultra-high frequency antenna, ultra-high frequency antenna, audio
Connector, USB connector or SD/MMC connector.
Safety chip described in the utility model includes microprocessor module, NFC signal processing module, security module, input
Output interface module, power module, data transmission module, interface module, clock module and data memory module, which solve logical
The maximum loophole that letter equipment is attacked: the generation and protection of code key.
The utility model communicates code key without permanently storing, and equipment is restarted every time or equipment is continuous online for 24 hours, all
The update of cloud communication key can be carried out automatically；When APP establishes TCP connection with equipment every time and communicates, it is secret all to update local area network
Key, so that it is guaranteed that one-time pad, prevents from being attacked by tool, security encryption chip has many algorithms module, can meet various
The safety encryption of occasion needs, and by the way that security encryption chip to be placed among wireless communication WIFI module, can not change in this way
In the case where moving original WIFI transmission design scheme main body, WIFI is upgraded into safety encryption WIFI module.
The utility model passes through the NFC signal processing unit being arranged in the chip, and NFC signal processing unit is used for
The signal message of external R-T unit is received and handled, and sends the signal to security module, by the encryption in security module
Module, deciphering module and data conveyor module encrypt received data, are decrypted and transport process, then pass through NFC and believe
Number processing unit is transmitted to microcontroller and is controlled and handled, and improves the safety in utilization and accuracy of chip, and pass through
To the more input/output interfaces of NFC integrated chip, increases more practical interface function, reduce production cost, while
Reduce the volume of chip, power module and clock module be mutually electrically connected with microcontroller and for microcontroller provide power supply and
Clock signal, data memory module are used to analyze the received data carry out storage management.
Safety chip described in the utility model includes microprocessor module, NFC signal processing module, security module, input
Output interface module, power module, data transmission module, interface module, clock module and data memory module, which solve will
The WIFI communication technology and hardware security encryption technology combine, to the equipment under the premise of not changing WIFI equipment body design
Communication data carry out safe encryption, can be realized and spend minimum cost that traditional WIFI equipment is upgraded to safety encryption WIFI to set
Standby purpose.
The utility model carries out near radio between mobile device, consumer electronics product, FC and intelligent control tool
Communication, NFC provide a kind of simple, touch solution, exchange information, access with can allowing consumer's simple, intuitive
Content and service；
The utility model has not only saved cost, while also reducing small product size, and is arranged in original equipment
Have data store and clock module, can in time to chip provide clock signal, and to received data carry out storage management or
Legacy data is backed up, on the other hand in chip in use, data effectively avoid being easy to appear not in transmission process
Security problems.
Claims (6)
1. a kind of WIFI module with security encryption chip, is provided with onboard PCB antenna on pcb board, on the pcb board
It is welded with WIFI chip, the corresponding antenna pin of WIFI chip is connect with onboard PCB antenna, and safety chip is welded on pcb board
And connect with WIFI chip, the memory chip connecting with WIFI chip is also welded on the pcb board and for outside connecting
The power interface of power supply is connect, power interface connects external power supply and converted rear each chip power supply on pcb board, feature exist
In: the safety chip includes microprocessor module, NFC signal processing module, security module, input/output interface module, electricity
Source module, data transmission module, interface module, clock module and data memory module；The input/output interface module, Wei Chu
Reason device module, NFC signal processing module connect bus by the inside of chip with security module and are successively electrically connected；The power supply
Module, data transmission module, interface module, clock module and data memory module are connect with micro controller module respectively；It is described
Security module and external R-T unit electric connection, the external R-T unit include that external reception device and external send fill
It sets, the input/output interface module and external interface device are electrically connected；
The data transmission module includes local oscillator, modulation circuit, frequency mixer, demodulator circuit and transmits and receives switching electricity
Road, local oscillator are separately connected with modulation circuit, transmitting and receiving switching circuit, and frequency mixer and transmitting and receiving switching circuit are adjusted
Circuit processed is separately connected, and frequency mixer is connect with demodulator circuit, and local oscillator is connect with micro controller module.
2. a kind of WIFI module with security encryption chip according to claim 1, it is characterised in that: the safe mould
Encrypting module, deciphering module are provided in block.
3. a kind of WIFI module with security encryption chip according to claim 1, it is characterised in that: the micro process
Device module uses chip model for the dsp processor chip of TMS320F28069.
4. a kind of WIFI module with security encryption chip according to claim 1, it is characterised in that: the data are deposited
Storage module includes for the RAM management module to ram in slice progress real-time management and for carrying out real-time management to in-chip FLASH
FLASH management module.
5. a kind of WIFI module with security encryption chip according to claim 1, it is characterised in that: the input is defeated
Outgoing interface module can be single for bluetooth communication unit, WIFI communication unit, digital analog converter, USB control unit or SD/MMC control
Member, and corresponding external interface device can for ultra-high frequency antenna, ultra-high frequency antenna, audio connector, USB connector or
SD/MMC connector.
6. a kind of WIFI module with security encryption chip according to claim 1, it is characterised in that: the WIFI core
Piece is QCA4004B or RealTek8711AF or RealTek8711AM or ESP8266.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821677073.4U CN208797938U (en) | 2018-10-16 | 2018-10-16 | A kind of WIFI module with security encryption chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821677073.4U CN208797938U (en) | 2018-10-16 | 2018-10-16 | A kind of WIFI module with security encryption chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208797938U true CN208797938U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821677073.4U Active CN208797938U (en) | 2018-10-16 | 2018-10-16 | A kind of WIFI module with security encryption chip |
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| CN (1) | CN208797938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112906416A (en) * | 2021-03-25 | 2021-06-04 | 紫光国芯微电子股份有限公司 | Safe communication module and safe communication method |
-
2018
- 2018-10-16 CN CN201821677073.4U patent/CN208797938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112906416A (en) * | 2021-03-25 | 2021-06-04 | 紫光国芯微电子股份有限公司 | Safe communication module and safe communication method |
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