CN202918377U - Wired encryption communication system - Google Patents
Wired encryption communication system Download PDFInfo
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- CN202918377U CN202918377U CN201220418090.2U CN201220418090U CN202918377U CN 202918377 U CN202918377 U CN 202918377U CN 201220418090 U CN201220418090 U CN 201220418090U CN 202918377 U CN202918377 U CN 202918377U
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Abstract
Disclosed in the utility model is a wired encryption communication system that comprises a transmitting terminal and a receiving terminal. The transmitting terminal includes: a signal receiver, which is configured to receive a signal; an encryption device, which is in wired connection with the signal receiver and is configured to carry out encryption on the signal received by the signal receiver to obtain an encrypted signal; and a first terminal, which is in wired connection with the encryption device and is used to receive the encrypted signal and transmit the encrypted signal through a communication channel. In addition, the receiving terminal includes: a second terminal, which is configured to receive the encrypted signal through the communication channel; a decryption device, which is wired connection with the second terminal and is used for receiving the encrypted signal and carrying out decryption on the encrypted signal to obtain a decrypted signal; and a signal presentation device, which is in wired connection with the decryption device and is used for presenting the decrypted signal.
Description
Technical field
The utility model relates to the communications field, relates in particular to a kind of wired 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 phone and other communication equipments, the disabled user can intercept and capture communication data by methods such as 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 wired cryptographic communication system, voice encryption communication system especially satisfies people's demand.
Summary of the invention
For this reason, the utility model proposes a kind of at least part of wired 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 wired cryptographic communication system is provided, comprise transmitting terminal and receiving terminal,
Described transmitting terminal comprises:
Signal receiver, configuration are used for receiving signal;
Encryption equipment, with described signal receiver wired connection, the signal that configuration is used for described signal receiver is received is encrypted, with the signal after obtaining encrypting; And
First terminal with described encryption equipment wired connection, receiving the signal after the described encryption, and transmits signal after the described encryption by communication channel; And
Described receiving terminal comprises:
The second terminal, configuration are used for receiving signal after the described encryption by described communication channel;
Decipher with described the second terminal wired connection, receiving the signal after the described encryption, and is decrypted the signal after the described encryption, with the signal after obtaining deciphering; And
The signal renderer is with described decipher wired connection, the signal of being deciphered to present.
Wherein, the signal that receives at the described signal receiver of transmitting terminal (such as voice-frequency signal receiver, video signal receiver and letter signal receiver) 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 wired cryptographic communication system of the present utility model, described communication channel comprises: wireline communication channels and radio communication channel.
Alternatively, according to wired 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 wired 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 wired 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 Reading text device etc., and described signal also comprises vision signal and letter signal.
Alternatively, according to wired cryptographic communication system of the present utility model, described signal renderer is earphone.
Alternatively, according to wired cryptographic communication system of the present utility model, described first terminal and/or described the second terminal are phone, mobile phone, panel computer or intercom.
Alternatively, according to wired cryptographic communication system of the present utility model, described wired cryptographic communication system is at least a in following: simplex system, semi-duplex communication system and full duplex communication system.
Alternatively, according to wired cryptographic communication system of the present utility model,
Described encryption equipment and described signal receiver integrate (be integrated in switch control place of headset line or be integrated in headset the inside such as encryption equipment); Or
Described encryption equipment and described first terminal integrate;
Alternatively, according to wired cryptographic communication system of the present utility model,
Described decipher and described signal renderer integrate (be integrated in switch control place of earphone cord or be integrated in earphone the inside such as decipher); Or
Described decipher and described the second terminal integrate.
Alternatively, according to wired cryptographic communication system of the present utility model,
Described encryption equipment comprises: the 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 decipher comprises: the signal after synchronous detection module, deciphering module and D/A converter module, the signal after the described encryption are deciphered with generation by described synchronous detection module, deciphering module and D/A converter module successively.
The wired 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 communication channel, signal after receiving terminal is to the encryption that receives is decrypted, thereby has solved the monitored caused security risk of signal of communication.This wired cryptographic communication system is compared the also very large advantage of existence aspect compatible and portable with traditional secret mode, realize voice encryption as utilizing the encryption wired earphone to be connected with mobile phone in this wired cryptographic communication system, when utilizing wireless channel to transmit signals to receiving terminal, 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 wired cryptographic communication system has very strong versatility, can be deployed in multiple communication applications scene.In addition, this wired 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 earphone with voice encryption and deciphering to realize, do not need communicating terminal, communication network etc. carry out any extra modification.In addition, the utility model realizes that by wired connection encryption equipment links to each other with first terminal with signal receiver, reach by wired connection and realize that decipher links to each other with the second terminal with the signal renderer, make encryption equipment or decipher more flexible with being connected of other assemblies, use more extensive, and the reduction cost, easy to operate.
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 wired cryptographic communication system of the present utility model;
Fig. 2 shows the encryption equipment in wired cryptographic communication system of the present utility model; And
Fig. 3 shows the decipher in the wired cryptographic communication system of the utility model
Wherein, transmitting terminal 1, signal receiver 1-1, encryption equipment 1-2, first terminal 1-3, receiving terminal 2, signal renderer 2-1, decipher 2-2, the second 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 wired 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); Encryption equipment 1-2, with described signal receiver 1-1 wired connection, the signal that configuration is used for described signal receiver 1-1 is received is encrypted, with the signal after obtaining encrypting; And first terminal 1-3, with described encryption equipment 1-2 wired connection, receiving the signal after the described encryption, and launch signal after the described encryption by wireless channel 3; And described receiving terminal 2 comprises: the second terminal 2-3, and configuration is used for receiving signal after the described encryption by described wireless channel 3; Decipher 2-2 with described the second terminal 2-3 wired connection, receiving the signal after the described encryption, and is decrypted the signal after the described encryption, with the signal after obtaining deciphering; And signal renderer 2-1, with described decipher 2-2 wired connection, the signal of being deciphered to present.
Described wired connection comprises open-wire line, symmetrical cable, coaxial cable or optical fiber.
Described communication channel 3 comprises wire message way and wireless channel,
Wherein said 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.
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 earphone that presents audio signal or phonotape and videotape, be used for presenting image or video display, be used for sending the electromagnetic shaker of vibration signal and various combinations of above-mentioned renderer etc.Described first terminal 1-3 and/or described the second terminal 2-3 are phone, mobile phone, panel computer or intercom; Described wired cryptographic communication system is applicable at least a in following: simplex system, semi-duplex communication system and full duplex communication system.
In addition, in wired cryptographic communication system of the present utility model, described encryption equipment 1-2 and described signal receiver 1-1 integrate; Or described encryption equipment 1-2 and described first terminal 1-3 integrate; Described decipher 2-2 and described the second terminal 2-3 integrate; Or described decipher 2-2 and described the second terminal 2-3 integrate.Above-mentioned various integration modes will make encryption equipment or decipher more flexible with being connected of other assemblies, use more extensive.
In wired cryptographic communication system that the utility model provides, described encryption equipment 1-2 comprises: the 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 decipher 2-2 comprises: the signal after synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1, the 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 wired 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 headset, video display screen and the Reading text devices of coded signal; First terminal 1-3 and the second terminal 2-3 can be according to coded signal different choice phone, mobile phone, panel computer or intercoms; At transmitting terminal 1, encryption equipment 1-2 can integrate with signal receiver 1-1 or first terminal 1-3; At receiving terminal 2, decipher 2-2 can integrate with signal renderer 2-1 or the second terminal 2-3; In addition according to the difference of coded signal, the difference of the terminal of selection, thus the wireless channel of selecting is also different.Based on optional many factors, the wired 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, microphone is as signal receiver 1-1, receiver is as signal renderer 2-1, and phone carries out exemplary illustration as preferred embodiment to wired cryptographic communication system of the present utility model as the voice encryption communication system of first terminal 1-3 and the second terminal 2-3.
Fig. 1 shows a kind of wired cryptographic communication system of the present utility model.
According to shown in Figure 1, transmitting terminal 1 at this wired cryptographic communication system, telephone microphone is as signal receiver 1-1, after receiving voice signal, voice signal is sent to encryption equipment 1-2 to be encrypted, voice signal after the encryption sends telephone set as first terminal 1-3 to by microphone cord, and is transmitted into receiving terminal 2 by wire message way 3.
At transmitting terminal 1, encryption equipment 1-2 can with integrate as the receiver of signal receiver 1-1 or as the telephone set of first terminal.
Voice signal after the encryption of transmitting terminal 1 emission can be selected wireless channel 3 according to first 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.What select in the present embodiment is the telephone channel.
Voice signal after the encryption of transmitting terminal 1 emission is sent to receiving terminal 2, receive voice signal after the encryption as the telephone set of the second terminal 2-3, and the voice signal after will encrypting is decrypted by wired decipher 2-2 that is sent to, produce the voice signal after the deciphering, the voice signal after the deciphering is sent to receiver as signal renderer 2-1 from decipher 2-2.
At receiving terminal 2, decipher 2-2 and integrate as the receiver of signal renderer 2-1 or as the telephone set of the second terminal.
In addition, in wired cryptographic communication system that the utility model provides, described encryption equipment 1-2 comprises: the 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 decipher 2-2 comprises: the signal after synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1, the 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 encryption equipment 1-2 and 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 encryption equipment be installed at microphone, at loud speaker 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 encryption equipment 1-2 and decipher 2-2.
The wired cryptographic communication system that provides according to the utility model take the encryption equipment 1-2 that uses and decipher 2-2 as example, carries out exemplary description to encryption equipment 1-2 and decipher 2-2 in simplex system.Wherein,
Fig. 2 shows the encryption equipment in the wired cryptographic communication system of the utility model
According to shown in Figure 2, described encryption equipment 1-2 comprises: the 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 encryption equipment 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 coded signal after encrypting by synchronous code.
Fig. 3 shows the decipher in the wired cryptographic communication system of the utility model
According to shown in Figure 3, described decipher 2-2 comprises: the signal after synchronous detection module 2-2-3, deciphering module 2-2-2 and D/A converter module 2-2-1, the 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 decipher 2-2 receives voice signal after the encryption from the second 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 decrypted signal after the deciphering.
Owing in encryption equipment 1-2, being provided with synchronous generation module 1-2-2, with in decipher 2-2, be provided with synchronous detection module 2-2-2, therefore this wired 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 wired 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 communication channel, signal after receiving terminal is to the encryption that receives is decrypted, thereby has solved the monitored caused security risk of signal.This wired cryptographic communication system is compared the also very large advantage of existence aspect compatible and portable with traditional secret mode, described wired cryptographic communication system is when 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, can be deployed in multiple communication applications scene.In addition, this wired 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 earphone with voice encryption and deciphering to realize, do not need communicating terminal, communication network etc. carry out any extra modification.The utility model has adopted by wired realization encryption equipment and has been connected with first terminal or signal receiver in addition, and be connected with the second terminal or signal renderer by wired realization decipher, so that encryption equipment or decipher are with to be connected the connection of assembly more flexible, use more extensive, and the reduction cost, easy to operate.
It should be noted, 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 wired 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;
Encryption equipment (1-2), with described signal receiver (1-1) wired connection, the signal that configuration is used for described signal receiver (1-1) is received is encrypted, with the signal after obtaining encrypting; And
First terminal (1-3) with described encryption equipment (1-2) wired connection, receiving the signal after the described encryption, and transmits signal after the described encryption by communication channel (3); And
Described receiving terminal (2) comprising:
The second terminal (2-3), configuration are used for receiving signal after the described encryption by described communication channel (3);
Decipher (2-2) with described the second terminal (2-3) wired connection, receiving the signal after the described encryption, and is decrypted the signal after the described encryption, with the signal after obtaining deciphering; And
Signal renderer (2-1) is with described decipher (2-2) wired connection, the signal of being deciphered to present.
2. wired cryptographic communication system according to claim 1 is characterized in that, described communication channel (3) comprising: wireline communication channels and radio communication channel.
3. wired cryptographic communication system according to claim 2, it is characterized in that, described radio communication 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 and Mobile Internet system.
4. wired cryptographic communication system according to claim 1 is characterized in that, described signal receiver (1-1) is microphone, and described signal is voice signal.
5. wired cryptographic communication system according to claim 1 is characterized in that, described signal renderer (2-1) is earphone.
6. wired cryptographic communication system according to claim 1 is characterized in that, described first terminal (1-3) and/or described the second terminal (2-3) are phone, mobile phone, intercom or panel computer.
7. wired cryptographic communication system according to claim 1 is characterized in that, described wired cryptographic communication system is at least a in following: simplex system, semi-duplex communication system and full duplex communication system.
8. wired cryptographic communication system according to claim 1 is characterized in that:
Described encryption equipment (1-2) integrates with described signal receiver (1-1); Or
Described encryption equipment (1-2) integrates with described first terminal (1-3).
9. wired cryptographic communication system according to claim 1 is characterized in that:
Described decipher (2-2) integrates with described signal renderer (2-1); Or
Described decipher (2-2) integrates with described the second terminal (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418090.2U CN202918377U (en) | 2012-08-22 | 2012-08-22 | Wired encryption communication system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418090.2U CN202918377U (en) | 2012-08-22 | 2012-08-22 | Wired encryption communication system |
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| CN202918377U true CN202918377U (en) | 2013-05-01 |
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| CN201220418090.2U Expired - Lifetime CN202918377U (en) | 2012-08-22 | 2012-08-22 | Wired encryption communication system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690685A (en) * | 2015-06-01 | 2018-02-13 | 耐瑞唯信有限公司 | For encryption data to be sent to the method and system of communication equipment |
| CN114244551A (en) * | 2021-09-28 | 2022-03-25 | 自然资源部第三地形测量队 | Data application protection method and device and field painting checking method |
-
2012
- 2012-08-22 CN CN201220418090.2U patent/CN202918377U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690685A (en) * | 2015-06-01 | 2018-02-13 | 耐瑞唯信有限公司 | For encryption data to be sent to the method and system of communication equipment |
| CN114244551A (en) * | 2021-09-28 | 2022-03-25 | 自然资源部第三地形测量队 | Data application protection method and device and field painting checking method |
| CN114244551B (en) * | 2021-09-28 | 2024-01-30 | 自然资源部第三地形测量队 | Data application protection method, equipment and wild external painting verification method |
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