CN2726222Y - Apparatus for realizing terminal-to-terminal encryption communication based on blue tooth wireless connecting - Google Patents
Apparatus for realizing terminal-to-terminal encryption communication based on blue tooth wireless connecting Download PDFInfo
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- CN2726222Y CN2726222Y CNU2004200611596U CN200420061159U CN2726222Y CN 2726222 Y CN2726222 Y CN 2726222Y CN U2004200611596 U CNU2004200611596 U CN U2004200611596U CN 200420061159 U CN200420061159 U CN 200420061159U CN 2726222 Y CN2726222 Y CN 2726222Y
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Abstract
The utility model discloses an apparatus for realizing terminal-to-terminal encryption communication based on Bluetooth wireless connecting, comprising a Bluetooth wired cut-in device and a Bluetooth encrypting device. The Bluetooth wired cut-in device is connected with a wired telephone network and the Bluetooth encrypting device is in wireless connection with the Bluetooth wired cut-in device through a Bluetooth data channel. The control module of the Bluetooth wired cut-in device is respectively connected with a Bluetooth interface module, a power module, and a MODEM module. The MODEM module is connected with a second / fourth-wire conversion module. The A / DD/ A module of the Bluetooth encrypting device is connected with a voice compression / decompression module. An encryption / decryption module is respectively connected with the voice compression / decompression module, the Bluetooth interface module, and the data interface module. The control module is respectively connected with the Bluetooth interface module, the encryption / decryption module, the voice compression / decompression module, and the A / DD/A module. A keyboard module and the display module are respectively connected with the control module and the power module. The utility model has the advantages that: the overall process of information transmission is safe; as the Bluetooth encrypting device is separated from the Bluetooth wired cut-in device and the Bluetooth encrypting device is portable, the accessibility and adaptability of the operation are enhanced.
Description
Technical field:
The utility model relates to the secrecy technology of mobile communication and cable telephone network communication, particularly a kind of device of realizing end-to-end speech, data (comprising image and note) coded communication that connects based on blue teeth wireless.
Background technology:
Cable telephone network is the fixed telephone network that is most widely used in the world at present, and the user is billions of.Because cable telephone network extends in all direction, and makes contact on the circuit of cable telephone network, the disabled user uses the simple technology information of validated users such as intercepted call, fax, data easily, and therefore, the Communication Security Problem of cable telephone network is very outstanding.
In view of the insecurity of in cable telephone network, communicating by letter; existing many companies develop relevant encryption equipment both at home and abroad; the legitimate rights and interests of protecting validated user to communicate by letter in cable telephone network are as incorporate telephone cipher device, entrance guard's formula telephone cipher device, the two-in-one crypto of entrance guard's formula phone call/facsimile etc.But, because the wired access unit and the enciphering/deciphering unit (comprising receiver and microphone) of existing cable telephone network encryption equipment all adopt wired connection, not only be directed at and use inconvenience, very flexible, also, its volume goes out to carry inconvenience owing to causing greatly.
Summary of the invention:
Goal of the invention of the present utility model is: for the user provide a kind of easy to use flexibly, connect based on blue teeth wireless and can realize end-to-end speech, data encryption communicating devices.
Goal of the invention of the present utility model realizes by implementing following technical proposals:
A kind of device of realizing end-to-end encrypted communication that connects based on blue teeth wireless, form by wired access device of bluetooth and Bluetooth encryption device, wherein: the wired access device of bluetooth is connected with cable telephone network, and the portable blue-tooth encryption equipment, then realize wireless connections by blue-teeth data channel and the wired access device of bluetooth, it is characterized in that: the wired access device of bluetooth, by the blue tooth interface module, control module, the MODEM module, two/four line conversion modules and power module are formed, wherein: control module respectively with the blue tooth interface module, power module, the MODEM module connects, and the MODEM module is connected with two/four line conversion modules; The portable blue-tooth encryption equipment, by the blue tooth interface module, the encryption and decryption module, voice compression/decompression module, data interface module, A/D D/A module, control module, Keysheet module, display module and power module are formed, wherein: A/D D/A module is connected with voice compression/decompression module, the encryption and decryption module respectively with voice compression/decompression module, the blue tooth interface module, data interface module connects, control module respectively with the blue tooth interface module, the encryption and decryption module, voice compression/decompression module, A/D D/A module connects, and Keysheet module all is connected with power module with the control mould respectively with display module.
Blue tooth interface module in the wired access device of bluetooth adopts the general bluetooth module that meets Bluetooth specification;
The MODEM module of the wired access device of bluetooth adopts the modulation integrated circuit (IC) chip that meets the cable telephone network standard;
Two/four line conversion modules of the wired access device of bluetooth adopt and supporting integrated circuit (IC) chip and the correspondent peripheral circuit of MODEM module;
The power module of the wired access device of bluetooth adopts powered battery, and adopts the DC/DC translation circuit, for each module of the wired access device of bluetooth provides working power;
The control module of the wired access device of bluetooth is made up of CPU and peripheral circuit thereof, in order to coordinate, to control each module and transfer of data work;
The A/D D/A module of Bluetooth encryption device adopts the monolithic integrated circuit that integrates A/D, D/A conversion and voice encoding/decoding function;
The data interface module of Bluetooth encryption device adopts Transistor-Transistor Logic level and RS232 level conversion integrated circuit;
Voice compression/the decompression module of Bluetooth encryption device adopts the low rate vocoder;
The encryption and decryption module of Bluetooth encryption device at transmitting terminal, is finished from the encryption of the compressed speech data of voice compression/decompression module output, and from the encryption of data interface module forward data, and deliver to the blue tooth interface module and launch; At receiving terminal, finish through the encrypted voice of blue tooth interface module reception and the deciphering of data, voice data is expressly sent into voice compression/decompression module, carry out the decompression and the decoding of speech; With the clear data signal, deliver to data terminal through data interface module; At transmitting terminal and receiving terminal, the encryption and decryption module is identical to the cryptographic algorithm that encryption and decryption adopted and the key of speech, data message.
The blue tooth interface module of Bluetooth encryption device adopts the general bluetooth module that meets Bluetooth specification;
The power module of Bluetooth encryption device adopts powered battery, and adopts the DC/DC translation circuit, for each module of Bluetooth encryption device provides working power;
The control module of Bluetooth encryption device is made up of CPU and peripheral circuit thereof, to coordinate, to control each module and transfer of data work;
The Keysheet module of Bluetooth encryption device, be made up of keyboard and keyboard coding chip, the keyboard codec chip is finished the encoding and decoding of button, and keyboard has 0-9, * and # totally 12 buttons, keypress function is a multiplex mode, can finish the input of 0-9, *, # and 26 English alphabets.
The display module of Bluetooth encryption device is made up of LCD and peripheral circuit thereof, receives the demonstration of the various information of control module transmission.
Advantage of the present utility model is: because the wired access device of bluetooth directly is connected with cable telephone network, and the wired access device of bluetooth is by blue-teeth data channel and the wireless connections of Bluetooth encryption device, enciphered message by the generation of transmitting terminal encryption equipment, deliver to the wired access device of bluetooth through the blue-teeth data channel, pass to the receiving terminal encryption equipment through cable telephone network, the wired access device of receiving terminal bluetooth and blue-teeth data channel again, the overall process of message transmission all is to be in encrypted state, has therefore ensured the safety of message transmission; Another advantage is: because relevant user interface, all be arranged on the Bluetooth encryption device as keyboard, receiver and microphone etc., and, the wired access device of Bluetooth encryption device and bluetooth is disconnected from each other, the Bluetooth encryption device is of portable form, therefore improved the convenience and the flexibility of operation, had very strong market popularization value, and can produce great economic benefit.
Description of drawings
Fig. 1 is for realizing end-to-end information encryption communicating devices and connecting network diagram
Fig. 2 is a Bluetooth encryption device structural principle schematic diagram
Fig. 3 is the wired access device structural principle of a bluetooth schematic diagram
Mark among the figure: 1 is the blue-teeth data channel, and 2 is data terminal, and 3 is microphone, and 4 is earphone, and 5 is the Bluetooth encryption device, and 6 is the wired access device of bluetooth, and 7 is the telephone network channel.
Embodiment:
A kind of device of realizing end-to-end encrypted communication that connects based on blue teeth wireless, form by wired access device of bluetooth and Bluetooth encryption device, the wired access device of bluetooth is connected with cable telephone network, and the portable blue-tooth encryption equipment is realized wireless connections by blue-teeth data channel and the wired access device of bluetooth;
Wherein:
The wired access device of bluetooth, form by blue tooth interface module, control module, MODEM module, two/four line conversion modules and power module, control module is connected with blue tooth interface module, power module, MODEM module respectively, and the MODEM module is connected with two/four line conversion modules;
The portable blue-tooth encryption equipment, by the blue tooth interface module, the encryption and decryption module, voice compression/decompression module, data interface module, A/D D/A module, control module, power module, Keysheet module and display module are formed, A/D D/A module is connected with voice compression/decompression module, the encryption and decryption module respectively with voice compression/decompression module, the blue tooth interface module, data interface module connects, control module respectively with the blue tooth interface module, the encryption and decryption module, voice compression/decompression module, A/D D/A module connects, and Keysheet module all is connected with power module with control module respectively with display module.
Blue tooth interface module in the wired access device of bluetooth adopts the BlueRS+A bluetooth module of the general Stollmann company that meets Bluetooth specification; At transmitting terminal, blue tooth interface module in the wired access device of bluetooth receives the enciphered message of sending through the blue-teeth data channel from transmitting terminal Bluetooth encryption device, by its control module enciphered message is delivered to the MODEM module, through two/four line conversion, enciphered message is sent to cable telephone network again; At receiving terminal, the wired access device of bluetooth is by its two/four lines conversion, enciphered message delivered to the MODEM module and under the control module effect, by its blue tooth interface module with enciphered message through the blue-teeth data channel, send to the Bluetooth encryption device of receiving terminal, finish the transmission of enciphered message.
The MODEM module of the wired access device of bluetooth adopts the modulation integrated circuit (IC) chip that meets the cable telephone network standard, the Si2457 of SILICON company; At transmitting terminal, the MODEM module of the wired access device of bluetooth receives encrypted voice or the data message sent here from the blue tooth interface module, and it is modulated, and is sent to two/four line conversion modules afterwards; At receiving terminal, the MODEM module of the wired access device of bluetooth receives the analog signal of sending here from two/four line conversion modules, it is carried out demodulation, and the enciphered message after the demodulation is delivered to the blue tooth interface module, enciphered message is sent to the Bluetooth encryption device of receiving terminal.
The Si3018 of SILICON company and the peripheral circuit that provides thereof are provided and supporting integrated circuit (IC) chip and the correspondent peripheral circuit of MODEM module two/four line conversion modules of the wired access device of bluetooth; At transmitting terminal, this module receives the modulation signal of sending here from the MODEM module, carries out by four lines being sent to cable telephone network to the conversion of two wires; At receiving terminal, this module receives the signal of sending here from cable telephone network, carries out the two wires after the conversion of four lines, is sent to the MODEM module and carries out demodulation.
The power module of the wired access device of bluetooth, the MIC2210 of employing Micrel company provides working power for each module of the wired access device of bluetooth; The wired access device of bluetooth adopts powered battery, and adopts the DC/DC translation circuit, finishes the conversion of cell voltage each module operating voltage in wired access device; Power module also has the controlled function that battery is charged.
The control module of the wired access device of bluetooth is made up of CPU and peripheral circuit thereof, and the single-chip microcomputer C8051F020 that CPU adopts Cygnal company is in order to coordinating, to control each module and transfer of data work, as: transfer of data, power management and blue tooth interface control etc.
The A/D D/A module of Bluetooth encryption device adopts the monolithic integrated circuit integrate A/D, D/A conversion and voice encoding/decoding function, and the MC145481 of MOTOROLA company reducing the printed board size, and then dwindles the machine volume of Bluetooth encryption device; A/D D/A module is finished the simulated voice A/D conversion and the speech coding function of picking up by microphone 3 at transmitting terminal; Finish the speech decoding at receiving terminal, and be reduced into the function that simulated voice uses for earphone 4 by the D/A conversion.
The data interface module of Bluetooth encryption device adopts Transistor-Transistor Logic level and RS232 level conversion integrated circuit, the MAX3243 of MAXIM company; Data interface module is at transmitting terminal, finishes data terminal 2 to the signal level conversion of the encryption and decryption module of Bluetooth encryption device 5 inside (from the RS232 level to Transistor-Transistor Logic level); At receiving terminal, finish the encryption and decryption module of Bluetooth encryption device inside to the level conversion of data terminal 2 (from Transistor-Transistor Logic level to the RS232 level).
Voice compression/the decompression module of Bluetooth encryption device adopts special-purpose low rate vocoder, the AMBE1000 of DVSI company; Voice compression/decompression module is at transmitting terminal, and analogue voice signal is encoded and compressed processing, forms and the suitable low rate coding speech of cable telephone network channel speed; At receiving terminal, the plaintext low rate coding speech that deciphering is exported decompresses and decoding processing, and gives earphone 4 with the analogue voice signal that restores.
The encryption and decryption module of Bluetooth encryption device, realize this function by the CPU card of holding strange company,, finish from the encryption of the compressed speech data of voice compression/decompression module output at transmitting terminal, and transmit the encryption of data, and deliver to the blue tooth interface module and launch from data interface module; At receiving terminal, finish through the encrypted voice of blue tooth interface module reception and the deciphering of data, voice data is expressly sent into voice compression/decompression module, carry out the decompression and the decoding of speech; With the clear data signal, deliver to data terminal through data interface module; At transmitting terminal and receiving terminal, the encryption and decryption module is identical to the cryptographic algorithm that encryption and decryption adopted and the key of speech, data message.
The blue tooth interface module of Bluetooth encryption device adopts the BlueRS+A bluetooth module of the general Stollmann company that meets Bluetooth specification; The blue tooth interface module at transmitting terminal, is finished from the encrypted voice of encryption and decryption module output and the emission of data message, and speech and data message with encrypting send to the wired access device of bluetooth by the blue-teeth data channel; At receiving terminal, the blue tooth interface module of Bluetooth encryption device receives and sends and by the enciphered message that the blue-teeth data channel sends, it is sent into the encryption and decryption module be decrypted from the wired access device of receiving terminal bluetooth.
The power module of Bluetooth encryption device, the MIC2210 of employing Micrel company provides working power for each module of Bluetooth encryption device; The Bluetooth encryption device adopts powered battery, and adopts the DC/DC translation circuit, finishes the conversion of cell voltage each module operating voltage in the encryption equipment; Power module also has the controlled function that battery is charged.
The control module of Bluetooth encryption device, form by CPU and peripheral circuit thereof, the single-chip microcomputer C8051F020 that CPU adopts Cygnal company to be coordinating, to control each module and transfer of data work, as: transfer of data, information show, keyboard detects, the control of encryption and decryption control, voice compression/decompression, blue tooth interface control etc.
The Keysheet module of Bluetooth encryption device adopts the EX64 of CPU and Actel company to realize, except that receiving user's input, carrying out the function selecting, also can carry out the artificial input of short message; Keysheet module is made up of keyboard and keyboard coding chip, and the keyboard codec chip is finished the encoding and decoding of button, and keyboard has 0-9, * and # totally 12 buttons, and keypress function is a multiplex mode, can finish the input of 0-9, *, # and 26 English alphabets.
The display module of Bluetooth encryption device adopts the MOBI2007 LCD of CPU and Samsung to realize, is responsible for the work at present state of display, the also demonstration of the short message of the short message that can manually import and reception; Receive the demonstration of the various information of control module transmission, the control of the controlled module of its display mode.
The utility model End to End Encryption transmission of Information process is as follows:
At transmitting terminal, speech is or/and data are delivered to Bluetooth encryption device 5 by microphone 3 or data terminal 2, encrypt through Bluetooth encryption device 5, the enciphered message that generates is by blue-teeth data channel 1, send to the wired access device 6 of bluetooth of transmitting terminal, send into telephone network channel 7 by the wired access device 6 of bluetooth, enciphered message is transferred to the wired access device of bluetooth of receiving terminal, this access device is with the enciphered message that receives, send to the Bluetooth encryption device of receiving terminal by the blue-teeth data channel, again by this encryption equipment with decrypts information, data after the deciphering are sent to data terminal 2 by RS232, and the speech after the deciphering is sent into vocoder and is decompressed, after be reduced to speech after the D/A conversion, by earphone 4 outputs.
Claims (1)
1, a kind of device of realizing end-to-end encrypted communication that connects based on blue teeth wireless, form by wired access device of bluetooth (6) and Bluetooth encryption device (5), wherein: the wired access device of bluetooth (6) is connected with telephone network channel (7), and portable blue-tooth encryption equipment (5), then realize wireless connections by blue-teeth data channel (1) and the wired access device of bluetooth (6), it is characterized in that: the wired access device of bluetooth (6), by the blue tooth interface module, control module, the MODEM module, two/four line conversion modules and power module are formed, wherein: control module respectively with the blue tooth interface module, power module, the MODEM module connects, and the MODEM module is connected with two/four line conversion modules; Portable blue-tooth encryption equipment (5), by the blue tooth interface module, the encryption and decryption module, voice compression/decompression module, data interface module, A/D D/A module, control module, power module, Keysheet module and display module are formed, wherein: A/D D/A module is connected with voice compression/decompression module, the encryption and decryption module respectively with voice compression/decompression module, the blue tooth interface module, data interface module connects, control module respectively with the blue tooth interface module, the encryption and decryption module, voice compression/decompression module, A/D D/A module connects, and Keysheet module all is connected with power module with the control mould respectively with display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200611596U CN2726222Y (en) | 2004-09-09 | 2004-09-09 | Apparatus for realizing terminal-to-terminal encryption communication based on blue tooth wireless connecting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200611596U CN2726222Y (en) | 2004-09-09 | 2004-09-09 | Apparatus for realizing terminal-to-terminal encryption communication based on blue tooth wireless connecting |
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| CN2726222Y true CN2726222Y (en) | 2005-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2004200611596U Expired - Lifetime CN2726222Y (en) | 2004-09-09 | 2004-09-09 | Apparatus for realizing terminal-to-terminal encryption communication based on blue tooth wireless connecting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792097A (en) * | 2014-12-24 | 2016-07-20 | 希姆通信息技术（上海）有限公司 | Information sending terminal, receiving terminal and information transmission system |
| CN114079901A (en) * | 2021-11-12 | 2022-02-22 | 江苏富联通讯技术有限公司 | Movable Bluetooth communication module and use method thereof |
-
2004
- 2004-09-09 CN CNU2004200611596U patent/CN2726222Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792097A (en) * | 2014-12-24 | 2016-07-20 | 希姆通信息技术（上海）有限公司 | Information sending terminal, receiving terminal and information transmission system |
| CN114079901A (en) * | 2021-11-12 | 2022-02-22 | 江苏富联通讯技术有限公司 | Movable Bluetooth communication module and use method thereof |
| CN114079901B (en) * | 2021-11-12 | 2024-06-11 | 江苏富联通讯技术股份有限公司 | Movable Bluetooth communication module and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHENGDU 30 RTOM MOBILE COMMUNICATIONS CO. LTD. Free format text: FORMER OWNER: NO.30 INST., CHINA ELECTRONIC SCI. + TECH. GROUP CO. Effective date: 20061117 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20061117 Address after: 610041, No. 6, pioneering Road, hi tech Zone, Sichuan, Chengdu Patentee after: Chengdu 30ruitong Mobile Communication Co., Ltd. Address before: 610041, No. 6, pioneering Road, hi tech Zone, Sichuan, Chengdu Patentee before: No.30 Inst., China Electronic Science & Technology Group Corp. |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140909 Granted publication date: 20050914 |