CN202713330U - Encrypted communication system - Google Patents

Encrypted communication system Download PDF

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Publication number
CN202713330U
CN202713330U CN2012204180601U CN201220418060U CN202713330U CN 202713330 U CN202713330 U CN 202713330U CN 2012204180601 U CN2012204180601 U CN 2012204180601U CN 201220418060 U CN201220418060 U CN 201220418060U CN 202713330 U CN202713330 U CN 202713330U
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China
Prior art keywords
bluetooth
signal
communication system
mobile terminal
encryption
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CN2012204180601U
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Chinese (zh)
Inventor
陈火健
刘晨辉
王清
周浩
杨博翰
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BEIJING ZIJIN CHENFENG TECHNOLOGY Co Ltd
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BEIJING ZIJIN CHENFENG TECHNOLOGY Co Ltd
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Priority to CN2012204180601U priority Critical patent/CN202713330U/en
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Abstract

The utility model discloses an encrypted communication system, which comprises an emitting terminal and a receiving terminal. The emitting terminal comprises a signal receiver, a bluetooth encryptor , and a first bluetooth mobile terminal, wherein the signal receiver is used for receiving signals, the bluetooth encryptor communicates with signal receiver and is used for encrypting the signals received by the signal receiver to obtain encrypted bluetooth signals, and the first bluetooth mobile terminal carries out bluetooth communication with the bluetooth encryptor to receive the encrypted bluetooth signals, and sends the encrypted bluetooth signals via wireless channels; and the receiving terminal comprises a second bluetooth mobile terminal, a bluetooth decryptor and a signal renderer, wherein the second bluetooth mobile terminal is used for receiving the encrypted bluetooth signals via the wireless channels, the bluetooth decryptor carries out bluetooth communication with the second bluetooth mobile terminal to receive the encrypted bluetooth signals, and decrypts the encrypted bluetooth signals to obtain decrypted bluetooth signals, and the signal renderer communicates with the bluetooth decryptor to render the decrypted bluetooth signals.

Description

A kind of cryptographic communication system
Technical field
The utility model relates to the communications field, relates in particular to a kind of cryptographic communication system.
Background technology
In the communications field, along with the extensive use of various communication modes (especially voice call), its corresponding Eavesdropping is constantly development also, and the disabled user can intercept and capture communication data by simple technology, thereby steals the information of validated user.For mobile phone and other Wireless Telecom Equipments, the disabled user can intercept and capture communication data by methods such as wireless signal monitorings, in the end of the year 2009, surpass according to statistics 80% the employed GSM cryptographic algorithm of mobile subscriber and cracked, so the Communication Security Problem of voice call seems particularly outstanding in various communication modes.
In order to improve the fail safe of voice call, many relevant conversation encryption devices have appearred, and such as integrated telephone cipher device etc., still, existing voice call encryption equipment price is expensive, and volume is large, very flexible, and function singleness is only for voice encryption.Along with the development of politics, economy and usurp technology, people are more and more higher to the demand of encryption of communicated data system.
Therefore, be desirable to provide a kind of wireless encryption communication system, realize wireless communication data, people's demand is satisfied in the especially encryption of voice.
Summary of the invention
For this reason, the utility model proposes a kind of at least part of cryptographic communication system that addresses the above problem that can address the above problem.
According to an aspect of the present utility model, a kind of cryptographic communication system is provided, comprise transmitting terminal and receiving terminal,
Described transmitting terminal comprises:
Signal receiver, configuration are used for receiving signal;
The Bluetooth encryption device communicates with described signal receiver, and the signal that configuration is used for described signal receiver is received is encrypted, with the Bluetooth signal after obtaining encrypting; And
The first Bluetooth mobile terminal carries out Bluetooth communication with described Bluetooth encryption device, receiving the Bluetooth signal after the described encryption, and launches Bluetooth signal after the described encryption by wireless channel; And
Described receiving terminal comprises:
The second Bluetooth mobile terminal, configuration are used for receiving Bluetooth signal after the described encryption by described wireless channel;
The bluetooth decipher carries out Bluetooth communication with described the second Bluetooth mobile terminal, receiving the Bluetooth signal after the described encryption, and the Bluetooth signal after the described encryption is decrypted, with the Bluetooth signal after obtaining deciphering; And
The signal renderer communicates the signal of being deciphered to present with described bluetooth decipher.
Wherein, at the described signal receiver of transmitting terminal such as voice-frequency signal receiver, video signal receiver and letter signal receiver) signal that receives comprises voice signal, vision signal and letter signal; Comprise particularly audio signal renderer, vision signal renderer and letter signal renderer in the described signal renderer of receiving terminal.
Alternatively, according to cryptographic communication system of the present utility model, described wireless channel comprises the channel that is applied in the following system any one: first generation wireless communication system, second generation wireless communication system, the third generation wireless communication system, the 4th generation wireless communication system, intercom communication system, Mobile Internet system.
Wherein second generation mobile communication system is mainly take GSM and GPRS as main, 3-G (Generation Three mobile communication system) is mainly take WCDMA, CDMA2000 and TD-SCDMA as main, and cryptographic communication system of the present utility model is applicable to any generation communication system that may develop in the future in the communications field.
Alternatively, according to cryptographic communication system of the present utility model, described signal receiver is microphone, and described signal is voice signal.Wherein said signal receiver also comprises camera and words display screen, and described signal also comprises vision signal and letter signal.
Alternatively, according to cryptographic communication system of the present utility model, described signal renderer is bluetooth earphone.
Alternatively, according to cryptographic communication system of the present utility model, described the first Bluetooth mobile terminal and/or described the second Bluetooth mobile terminal are mobile phone, panel computer or the intercoms of supporting Bluetooth function.
Alternatively, according to cryptographic communication system of the present utility model, at least a during described cryptographic communication system is following: simplex system, semi-duplex communication system and full duplex communication system.
Alternatively, according to cryptographic communication system of the present utility model,
Described Bluetooth encryption device and described signal receiver integrate, such as the Bluetooth encryption microphone;
Described Bluetooth encryption device and described signal receiver link together, as inserting the Bluetooth encryption device on the Bluetooth microphone;
Described Bluetooth encryption device and described the first Bluetooth mobile terminal integrate; Or
Described Bluetooth encryption device and described the first Bluetooth mobile terminal link together;
Alternatively, according to cryptographic communication system of the present utility model,
Described bluetooth decipher and described signal renderer integrate, such as the Bluetooth encryption earphone;
Described bluetooth decipher and described signal renderer link together, as inserting the bluetooth decipher on the bluetooth earphone;
Described bluetooth decipher and described the second Bluetooth mobile terminal integrate; Or
Described bluetooth decipher and described the second Bluetooth mobile terminal link together.
Alternatively, according to cryptographic communication system of the present utility model,
Described Bluetooth encryption device comprises: the Bluetooth signal after analog-to-digital conversion module, encrypting module and synchronous generation module, described signal are encrypted with generation by described analog-to-digital conversion module, described encrypting module and described synchronous generation module successively; And
Described bluetooth decipher comprises: the Bluetooth signal after synchronous detection module, deciphering module and D/A converter module, the Bluetooth signal after the described encryption are deciphered with generation by described synchronous detection module, deciphering module and D/A converter module successively.
The cryptographic communication system that the utility model proposes, signal after being encrypted, encrypting by the signal that will launch at transmitting terminal propagates into receiving terminal by wireless channel, signal after receiving terminal is to the encryption that receives is decrypted, thereby has solved the monitored caused security risk of wireless signal.This cryptographic communication system is compared the also very large advantage of existence aspect compatible and portable with traditional secret mode, such as this cryptographic communication system when bluetooth earphone is realized, can compatible domestic and international various GSM networks and 3G network, and compatible most mobile phone, the user need not to carry extra secret mobile phone.And this cryptographic communication system has very strong versatility is arranged, and can be deployed in multiple communication applications scene.In addition, this cryptographic communication system is little, simple to operate to the cost that communicating terminal carries out safety upgrade, the voice call application scenarios of using take mobile phone is as example, the final deployment of the utility model only needs a pair of bluetooth earphone with voice encryption and deciphering to realize, do not need communicating terminal, communication network etc. carry out any extra modification.
Description of drawings
By reading hereinafter detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Accompanying drawing only is used for the purpose of preferred implementation is shown, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts with identical reference symbol.Wherein in the accompanying drawings, the alphabetic flag after the reference number is indicated a plurality of identical parts, when these parts of general reference, will omit its last alphabetic flag.In the accompanying drawings:
Fig. 1 shows a kind of voice encryption communication system of the present utility model;
Fig. 2 shows the Bluetooth encryption device in the utility model cryptographic communication system; And
Fig. 3 shows the bluetooth decipher in the utility model cryptographic communication system
Wherein, transmitting terminal 1, signal receiver 1-1, Bluetooth encryption device 1-2, the first Bluetooth mobile terminal 1-3, receiving terminal 2, signal renderer 2-1, bluetooth decipher 2-2, bluetooth the second portable terminal 2-3, wireless channel 3, analog-to-digital conversion module 1-2-1, encrypting module 1-2-2, synchronous generation module 1-2-3, D/A converter module 2-2-1, deciphering module 2-2-2 and synchronous detection module 2-2-3
Embodiment
The utility model provides many applicable creative concepts, and what this creativeness concept can be a large amount of is embodied in the concrete context.The specific embodiment of describing in following execution mode of the present utility model is only as the exemplary illustration of specific implementation of the present utility model, and do not consist of limitation of the scope of the invention.
The utility model proposes a kind of cryptographic communication system, comprise transmitting terminal 1 and receiving terminal 2, described transmitting terminal 1 comprises: signal receiver 1-1(such as voice-frequency signal receiver, video signal receiver and letter signal receiver), configuration is used for receiving signal (such as voice signal, vision signal and letter signal); Bluetooth encryption device 1-2 communicates with described signal receiver 1-1, and the signal that configuration is used for described signal receiver 1-1 is received is encrypted, with the Bluetooth signal after obtaining encrypting; And the first Bluetooth mobile terminal 1-3, carry out Bluetooth communication with described Bluetooth encryption device 1-2, receiving the Bluetooth signal after the described encryption, and launch Bluetooth signal after the described encryption by wireless channel 3; And described receiving terminal 2 comprises: the second Bluetooth mobile terminal 2-3, and configuration is used for receiving Bluetooth signal after the described encryption by described wireless channel 3; Bluetooth decipher 2-2 carries out Bluetooth communication with described the second Bluetooth mobile terminal 2-3, receiving the Bluetooth signal after the described encryption, and the Bluetooth signal after the described encryption is decrypted, with the Bluetooth signal after obtaining deciphering; And signal renderer 2-1, communicate the signal of being deciphered to present with described bluetooth decipher 2-2.It will be appreciated that the dotted line among Fig. 1 represents wireless connections.
Described wireless channel 3 comprises the channel that is applied in the following system any one: first generation wireless communication system, second generation wireless communication system, the third generation wireless communication system, the 4th generation wireless communication system, intercom communication system, Mobile Internet system.Described signal receiver 1-1 comprises microphone, camera, Reading text device etc., and described signal comprises voice signal, vision signal and letter signal.Described signal renderer 2-3 comprise be used to the bluetooth earphone that presents audio signal or phonotape and videotape, be used for presenting image or video display, be used for sending the vibrator of vibration signal and various combinations of above-mentioned renderer etc.Described the first Bluetooth mobile terminal 1-3 and/or described the second Bluetooth mobile terminal 2-3 are mobile phone, panel computer or the intercoms of supporting Bluetooth function; Described cryptographic communication system is applicable at least a in following: simplex system, semi-duplex communication system and full duplex communication system.
In addition, in cryptographic communication system of the present utility model, described Bluetooth encryption device 1-2 and described signal receiver 1-1 integrate or link together; Described Bluetooth encryption device 1-2 and described the first Bluetooth mobile terminal 1-3 integrate or link together; Described bluetooth decipher 2-1 and described signal renderer 2-1 integrate or link together; Described bluetooth decipher 2-2 and described the second Bluetooth mobile terminal 2-3 integrate or link together.Above-mentioned various integration modes will be so that the Bluetooth encryption device be more flexible with being connected of other assemblies, uses more extensive.
In the cryptographic communication system that the utility model provides, described Bluetooth encryption device 1-2 comprises: the Bluetooth signal after analog-to-digital conversion module 1-2-1, encrypting module 1-2-2 and synchronous generation module 1-2-3, described signal encrypt with generation by described analog-to-digital conversion module 1-2-1, described encrypting module 1-2-2 and described synchronous generation module 1-2-3 successively; And described bluetooth decipher 2-2 comprises: the Bluetooth signal after synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1, the Bluetooth signal after the described encryption decipher with generation by described synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1 successively.
Embodiment
According to the cryptographic communication system that the utility model proposes, can be encrypted voice, video and literal; Signal receiver 1-1 and signal renderer 2-1 can be according to different choice bluetooth headset, video display screen and the words display screens of coded signal; The first Bluetooth mobile terminal 1-3 and the second Bluetooth mobile terminal 2-3 can be according to coded signal different choice mobile phone, panel computer or intercoms; At transmitting terminal 1, signal receiver 1-1 and Bluetooth encryption device 1-2 can integrate or link together, or Bluetooth encryption device 1-2 and the first Bluetooth mobile terminal 1-3 integrate or link together; At receiving terminal 2, signal renderer 2-1 and bluetooth decipher 2-2 can integrate or link together, or bluetooth decipher 2-2 and the second Bluetooth mobile terminal 2-3 can integrate or link together; In addition according to the difference of coded signal, the difference of the Bluetooth mobile terminal of selection, thus the wireless channel of selecting is also different.Based on optional many factors, the cryptographic communication system that provides according to the utility model, can design various embodiments, so specific embodiment is only as the exemplary illustration of specific implementation of the present utility model, and do not consist of the restriction to the utility model scope.
In order to describe particularly the utility model, the voice signal that selection is most widely used is encrypted, Bluetooth microphone is as signal receiver 1-1, bluetooth earphone supports the mobile phone of Bluetooth function as preferred embodiment cryptographic communication system of the present utility model to be carried out exemplary illustration as the voice encryption communication system of the first Bluetooth mobile terminal 1-3 and the second Bluetooth mobile terminal 2-3 as signal renderer 2-1.
Fig. 1 shows a kind of voice encryption communication system of the present utility model
According to shown in Figure 1, transmitting terminal 1 in this voice encryption communication system, Bluetooth microphone is as signal receiver 1-1, after receiving voice signal, voice signal is sent to Bluetooth encryption device 1-2 to be encrypted, blue tooth voice signal after the encryption sends the mobile phone as the support Bluetooth function of the first Bluetooth mobile terminal 1-3 to, and is transmitted into receiving terminal 2 by wireless channel 3.
At transmitting terminal 1, Bluetooth microphone as signal receiver 1-1 can integrate with Bluetooth encryption device 1-2 or link together (form that can make card such as the Bluetooth encryption device is inserted in the draw-in groove of bluetooth earphone), or Bluetooth encryption device 1-2 can integrate with the mobile phone as the support Bluetooth function of the first Bluetooth mobile terminal 1-3 or link together.
Blue tooth voice signal after the encryption of transmitting terminal 1 emission can be selected wireless channel 3 according to the first Bluetooth mobile terminal 1-3, as first generation wireless communication system, second generation wireless communication system, the third generation wireless communication system, the 4th generation wireless communication system or any generation communication system of developing in the future of the communications field.
Blue tooth voice signal after the encryption of transmitting terminal 1 emission is sent to receiving terminal 2, receive blue tooth voice signal after the encryption as the mobile phone of the support Bluetooth function of the second Bluetooth mobile terminal 2-3, and the blue tooth voice signal after will encrypting is sent to bluetooth decipher 2-2 and is decrypted, produce the blue tooth voice signal after the deciphering, the blue tooth voice signal after the deciphering is sent to bluetooth earphone as signal renderer 2-1 from bluetooth decipher 2-2 by bluetooth channel.
At receiving terminal 2, integrate or link together as the bluetooth earphone of signal renderer 2-1 and bluetooth decipher 2-2, or bluetooth decipher 2-2 and integrate or link together as the mobile phone of the support Bluetooth function of the second Bluetooth mobile terminal 2-3.
In addition, in the cryptographic communication system that the utility model provides, described Bluetooth encryption device 1-2 comprises: the Bluetooth signal after analog-to-digital conversion module 1-2-1, encrypting module 1-2-2 and synchronous generation module 1-2-3, described signal encrypt with generation by described analog-to-digital conversion module 1-2-1, described encrypting module 1-2-2 and described synchronous generation module 1-2-3 successively; And described bluetooth decipher 2-2 comprises: the Bluetooth signal after synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1, the Bluetooth signal after the described encryption decipher with generation by described synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1 successively.
Described Bluetooth encryption device 1-2 and bluetooth decipher 2-2 are applicable to simplex system, half-duplex system and full duplex system.Wherein when being used for simplex system, such as radio paging system, regional broadcast system, can at voice transmission end administration encryption equipment, dispose decipher at receiving terminal; When being used for half-duplex system, such as intercom, can the Bluetooth encryption device be installed at microphone, at loud speaker the bluetooth decipher is installed; When being used for full duplex system, such as mobile communication, VOIP(such as skype voice), can dispose the encryption headset to mobile phone or computer, in the encryption headset, dispose simultaneously Bluetooth encryption device 1-2 and bluetooth decipher 2-2.
The cryptographic communication system that provides according to the utility model take the Bluetooth encryption device 1-2 that uses and bluetooth decipher 2-2 as example, carries out exemplary description to Bluetooth encryption device 1-2 and bluetooth decipher 2-2 in simplex system.Wherein,
Fig. 2 shows the Bluetooth encryption device in the utility model cryptographic communication system
According to shown in Figure 2, described Bluetooth encryption device 1-2 comprises: the Bluetooth signal after analog-to-digital conversion module 1-2-1, encrypting module 1-2-2 and synchronous generation module 1-2-3, the signal that Bluetooth encryption device 1-2 receives encrypt with generation by described analog-to-digital conversion module 1-2-1, described encrypting module 1-2-2 and described synchronous generation module 1-2-3 successively.
Specifically, as in voice call process, the analog voice signal that microphone is received converts audio digital signals at analog-to-digital conversion module 1-2-1; The audio digital signals that converts to is sent to encrypting module 1-2-2, cryptographic algorithm according to appointment is encrypted audio digital signals, become can't Direct Recognition the encrypted speech signal, the algorithm that wherein adopts at encrypting module 1-2-2, can adopt any cryptographic algorithm that call voice is encrypted, such as the cryptographic algorithm of Open Standard, undocumented cryptographic algorithm or amended disclosed cryptographic algorithm; Audio digital signals after the encryption is in synchronously generation module 1-2-3 insertion synchronous code, the modulation /demodulation frequency that adopts when indicating audio encryption, can so that employed modulation /demodulation frequency is in full accord during the receiving-transmitting sides encrypting and decrypting, produce the Bluetooth encryption signal after encrypting by synchronous code.
Fig. 3 shows the bluetooth decipher in the utility model cryptographic communication system
According to shown in Figure 3, described bluetooth decipher 2-2 comprises: the Bluetooth signal after synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1, the Bluetooth signal after the described encryption decipher with generation by described synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1 successively.
Specifically, as in voice call process, at first bluetooth decipher 2-2 receives voice signal after the encryption from the second Bluetooth mobile terminal 2-3, and voice signal carried out after analog-to-digital conversion becomes digital signal, read synchronous code in the audio digital signals by synchronous detection module 2-2-3, if synchronous code does not exist, this voice not encrypted then, this audio digital signals is carried out directly sending to the recipient via signal renderer 2-1 after digital-to-analogue conversion becomes analog signal, if synchronous code exists, then be decrypted processing at deciphering module 2-2-2 according to this synchronous code and corresponding decipherment algorithm, audio digital signals after the decryption processing carries out digital-to-analogue conversion at D/A converter module 2-2-2 and becomes analog signal, has produced the bluetooth decrypted signal after the deciphering.
Owing in Bluetooth encryption device 1-2, be provided with synchronous generation module 1-2-2, with in bluetooth decipher 2-2, be provided with synchronous detection module 2-2-2, therefore this cryptographic communication system can also be set to encrypt and do not encrypt two kinds of operating states according to the communication needs, when being set to encrypted state, generation module 1-2-2 generates synchronous code synchronously, in synchronous detection module 2-2-2, detect synchronous code, and it is decrypted, when being set to not encrypted state, then generation module 1-2-2 does not produce synchronous code synchronously, and synchronous detection module 2-2-2 can't detect synchronous code, then it is not decrypted, and directly carries out output signal after the digital-to-analogue conversion.
According to present embodiment, can find out the cryptographic communication system that the utility model proposes, after being encrypted, encrypting by the signal that will launch at transmitting terminal signal propagate into receiving terminal by wireless channel, signal after receiving terminal is to the encryption that receives is decrypted, thereby has solved the monitored caused security risk of wireless signal.This cryptographic communication system is compared the also very large advantage of existence aspect compatible and portable with traditional secret mode, such as the described cryptographic communication system of (see figure 1) among the embodiment of present embodiment when bluetooth earphone is realized, can compatible domestic and international various GSM networks and 3G network, and compatible most mobile phone, the user need not to carry extra secret mobile phone.And this cryptographic communication system has very strong versatility is arranged, and can be deployed in multiple communication applications scene.In addition, this cryptographic communication system is little, simple to operate to the cost that communicating terminal carries out safety upgrade, the voice call application scenarios of using take mobile phone is as example, the final deployment of the utility model only needs a pair of bluetooth earphone with voice encryption and deciphering to realize, do not need communicating terminal, communication network etc. carry out any extra modification.
It should be noted that the present invention will be described rather than limit the invention for above-described embodiment, and those skilled in the art can design alternative embodiment in the situation of the scope that does not break away from claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed in element or step in the claim.Being positioned at word " " before the element or " one " does not get rid of and has a plurality of such elements.The present invention can realize by means of the hardware that includes some different elements and by means of the computer of suitably programming.In having enumerated the unit claim of some devices, several in these devices can be to come imbody by same hardware branch.The use of word first, second and C grade does not represent any order.Can be title with these word explanations.

Claims (9)

1. a cryptographic communication system comprises transmitting terminal (1) and receiving terminal (2), it is characterized in that,
Described transmitting terminal (1) comprising:
Signal receiver (1-1), configuration are used for receiving signal;
Bluetooth encryption device (1-2), (1-1) communicates with described signal receiver, and the signal that configuration is used for described signal receiver (1-1) is received is encrypted, with the Bluetooth signal after obtaining encrypting; And
The first Bluetooth mobile terminal (1-3) carries out Bluetooth communication with described Bluetooth encryption device (1-2), receiving the Bluetooth signal after the described encryption, and launches Bluetooth signal after the described encryption by wireless channel (3); And
Described receiving terminal (2) comprising:
The second Bluetooth mobile terminal (2-3), configuration are used for receiving Bluetooth signal after the described encryption by described wireless channel (3);
Bluetooth decipher (2-2) carries out Bluetooth communication with described the second Bluetooth mobile terminal (2-3), receiving the Bluetooth signal after the described encryption, and the Bluetooth signal after the described encryption is decrypted, with the Bluetooth signal after obtaining deciphering; And
Signal renderer (2-1) communicates the signal of being deciphered to present with described bluetooth decipher (2-2).
2. cryptographic communication system according to claim 1, it is characterized in that described wireless channel (3) comprises the channel that is applied in the following system any one: first generation wireless communication system, second generation wireless communication system, the third generation wireless communication system, the 4th generation wireless communication system, intercom communication system, Mobile Internet system.
3. cryptographic communication system according to claim 1 is characterized in that, described signal receiver (1-1) is microphone, and described signal is voice signal.
4. cryptographic communication system according to claim 1 is characterized in that, described signal renderer (2-1) is bluetooth earphone.
5. cryptographic communication system according to claim 1 is characterized in that, described the first Bluetooth mobile terminal (1-3) and/or described the second Bluetooth mobile terminal (2-3) are mobile phone, panel computer or the intercoms of supporting Bluetooth function.
6. cryptographic communication system according to claim 1 is characterized in that, at least a during described cryptographic communication system is following: simplex system, semi-duplex communication system and full duplex communication system.
7. cryptographic communication system according to claim 1 is characterized in that:
Described Bluetooth encryption device (1-2) integrates with described signal receiver (1-1);
Described Bluetooth encryption device (1-2) links together with described signal receiver (1-1);
Described Bluetooth encryption device (1-2) integrates with described the first Bluetooth mobile terminal (1-3); Or
Described Bluetooth encryption device (1-2) links together with described the first Bluetooth mobile terminal (1-3).
8. cryptographic communication system according to claim 1 is characterized in that:
Described bluetooth decipher (2-2) integrates with described signal renderer (2-1);
Described bluetooth decipher (2-2) links together with described signal renderer (2-1);
Described bluetooth decipher (2-2) integrates with described the second Bluetooth mobile terminal (2-3); Or
Described bluetooth decipher (2-2) links together with described the second Bluetooth mobile terminal (2-3).
9. cryptographic communication system according to claim 1 is characterized in that:
Described Bluetooth encryption device (1-2) comprising: the Bluetooth signal after analog-to-digital conversion module (1-2-1), encrypting module (1-2-2) and synchronous generation module (1-2-3), described signal are encrypted with generation by described analog-to-digital conversion module (1-2-1), described encrypting module (1-2-2) and described synchronous generation module (1-2-3) successively; And
Described bluetooth decipher (2-2) comprising: the Bluetooth signal after synchronous detection module (2-2-3), deciphering module (2-2-2) and D/A converter module (2-2-1), the Bluetooth signal after the described encryption are deciphered with generation by described synchronous detection module (2-2-3), deciphering module (2-2-2) and D/A converter module (2-2-1) successively.
CN2012204180601U 2012-08-22 2012-08-22 Encrypted communication system Expired - Lifetime CN202713330U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103986503A (en) * 2014-05-16 2014-08-13 北京民芯科技有限公司 Safety Bluetooth headset and voice communication method thereof
CN105101184A (en) * 2014-05-23 2015-11-25 深圳市兴联达科技有限公司 Mobile terminal communication method and system based on bluetooth encryption
CN105813065A (en) * 2014-12-12 2016-07-27 魏如隆 Audio dynamic spectrum encryption device and encryption method
CN106331282A (en) * 2015-07-03 2017-01-11 幸福居福尔摩沙股份有限公司 Mobile phone communication anti-eavesdropping system for implementing encryption and decryption on Bluetooth earphone side
CN106533686A (en) * 2015-09-10 2017-03-22 中国电信股份有限公司 Encryption communication method and system, communication unit and client
CN107508841A (en) * 2017-08-25 2017-12-22 徐珊 A kind of rete mirabile signaling alarm systems

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103986503A (en) * 2014-05-16 2014-08-13 北京民芯科技有限公司 Safety Bluetooth headset and voice communication method thereof
CN103986503B (en) * 2014-05-16 2016-01-20 北京民芯科技有限公司 Safe bluetooth earphone and voice communication method thereof
CN105101184A (en) * 2014-05-23 2015-11-25 深圳市兴联达科技有限公司 Mobile terminal communication method and system based on bluetooth encryption
CN105813065A (en) * 2014-12-12 2016-07-27 魏如隆 Audio dynamic spectrum encryption device and encryption method
CN106331282A (en) * 2015-07-03 2017-01-11 幸福居福尔摩沙股份有限公司 Mobile phone communication anti-eavesdropping system for implementing encryption and decryption on Bluetooth earphone side
CN106533686A (en) * 2015-09-10 2017-03-22 中国电信股份有限公司 Encryption communication method and system, communication unit and client
CN106533686B (en) * 2015-09-10 2020-04-28 中国电信股份有限公司 Encrypted communication method and system, communication unit and client
CN107508841A (en) * 2017-08-25 2017-12-22 徐珊 A kind of rete mirabile signaling alarm systems
CN107508841B (en) * 2017-08-25 2021-02-12 徐珊 Different network signal alarm system

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