CN108668273A - A kind of satellite speech scrambling device - Google Patents
A kind of satellite speech scrambling device Download PDFInfo
- Publication number
- CN108668273A CN108668273A CN201810789715.8A CN201810789715A CN108668273A CN 108668273 A CN108668273 A CN 108668273A CN 201810789715 A CN201810789715 A CN 201810789715A CN 108668273 A CN108668273 A CN 108668273A
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- satellite
- cpu
- speech scrambling
- scrambling device
- encrypting module
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- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000003993 interaction Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 230000006854 communication Effects 0.000 abstract description 13
- 238000004891 communication Methods 0.000 abstract description 12
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18565—Arrangements for preventing unauthorised access or for providing user protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
The present invention provides a kind of satellite speech scrambling device, belongs to the communications field.The present invention includes that CPU, the satellite modules being connected with CPU, the encrypting module being connected with CPU, satellite modules are used to open the multifunction key of encrypting module by what rf signal line connect for what the satellite antenna of satellite receiving and transmitting signal, the vocoder for connecting satellite modules and encrypting module and CPU buttons test side connected.It can be realized and be encrypted by two ways：First, software cryptography satellite voice is conversed, second is that starting the encryption that hardware encryption chip completes satellite voice call；Two kinds of cipher modes combine the encryption function for preferably realizing satellite phone.To realize that satellite phone and speech scrambling function combine, not only ensure the whole world communication free of discontinuities of satellite telephony, but also ensures the safety of voice communication.The cost that user buys two equipment is reduced, solves safety intelligence demand of the user for satellite mobile phone.
Description
Technical field
The invention belongs to the communications fields, are related specifically to a kind of satellite speech scrambling device.
Background technology
Current satellite mobile phone can be in the remote districts that normal base station can not cover, high mountain, ocean and desert, even
In the case where natural calamity causes GCS Ground Communication System to be paralysed, the service of voice-and-data is completed, people can no
Communication is realized under the covering of face communication network, meets the communication service free of discontinuities of the user whole world as far as possible.
However, there is serious security risks for mobile phone eavesdropping at present, and it is a uncertain risk.If you
Not in advance prevent if, many trade secrets and valuable information leakage, then can very likely be rolled into one it is huge
Among disaster.
On the problem of protecting mobile phone user's personal secrets, encrypting module can provide to the user it is counter intercept, high safety, height
The Communications service of efficiency, full media.Speech scrambling function can protect the privacy of user or interests not to be stolen, and can be applied to
Telephone, mobile phone and internet phone device.
But receiving module is typically just received and dispatched by satellite there has been no the satellite mobile phone for supporting speech scrambling function at present
It is connected by serial ports with CPU, realizes satellite telephony.Not yet it is combined with a kind of encrypting module handled by Encryption Algorithm
Realize the scrambler phone function of satellite.
Invention content
There is the shortcoming that hidden trouble, the privacy of user being ravesdropping can not ensure in view of above-mentioned existing satellite mobile phone,
The purpose of the present invention is to provide a kind of satellite speech scrambling devices.
In order to achieve the above object, this invention takes following technical schemes：
A kind of satellite speech scrambling device includes：CPU is used for data processing；
Satellite modules are used for data receiver, data transmission and data transfer, and are connected with the CPU；
Encrypting module is used for data encryption processing, and is connected with the CPU；
Vocoder is used for speech signal analysis and synthesis, and is connected with the satellite modules, and with the encryption mould
Block is connected；
Multifunction key is used to open the encrypting module, and is connected with the CPU；
Power supply is electrically connected with the CPU；
Microphone is connected with the CPU, and is used for input audio data；
Receiver is connected with the CPU, and for exporting audio data.
Preferably, the CPU is connect with the satellite modules by first serial UART and the first pcm audio bus；
The first serial UART carries out instruction interaction for the CPU and the satellite modules；
The first pcm audio bus carries out delivery of audio data for the CPU and the satellite modules.
Preferably, the CPU is connect with the encrypting module by second serial UART and the second pcm audio bus；
The second serial UART carries out instruction interaction for the CPU and the encrypting module；
The second pcm audio bus gives the delivery of audio data of encryption to the CPU for the encrypting module.
Preferably, the satellite modules include sending and receiving voiceband data signal ability for enhancing the satellite modules
Satellite antenna, the satellite modules connect the satellite antenna by rf signal line.
Preferably, the satellite speech scrambling device further includes the touch display screen being connected with the CPU；
The cipher mode of the satellite speech scrambling device is divided into hardware encryption and software cryptography；
The multifunction key controls the switch of the hardware cipher mode；
The touch display screen is user interface, and opening the software cryptography call need to be in the touch display screen
Click is released the button.
Preferably, the satellite speech scrambling device further includes loud speaker, and the loud speaker is connected with the CPU, and
For realizing the broadcasting of audio data.
Preferably, the satellite speech scrambling device further includes the USB interface being connect with the CPU, and the USB interface is used
Charging in equipment and data transmission.
Preferably, the satellite speech scrambling device further includes the SD card being connected with the CPU for storing data
With the SIM card being connected with the CPU for identification.
The present invention's is effective compared with prior art：A kind of satellite speech scrambling device of present invention offer, including CPU,
The satellite modules being connected with CPU, the encrypting module, the satellite modules that are connected with CPU are used to defend by what rf signal line was connect
The satellite antenna of star receiving and transmitting signal is connected for connecting satellite modules with the vocoder of encrypting module and CPU buttons test side
For opening the multifunction push key of encrypting module.Also it can be realized and be encrypted by two ways：First, software cryptography satellite voice
Call, second is that starting the encryption that hardware encryption chip completes satellite voice call；Two kinds of cipher modes combine preferably realization to defend
The encryption function of star phone.To realize that satellite phone and speech scrambling function combine, the complete of satellite telephony is both ensured
Ball communication free of discontinuities, and ensure the safety of voice communication, the cost that user buys two equipment is reduced, solves user couple
In the safety intelligence demand of satellite mobile phone.
Description of the drawings
Fig. 1 is the composition frame diagram schematic diagram of present pre-ferred embodiments.
Fig. 2 is audio data encrypting and decrypting flow diagram of the present invention.
Fig. 3 is hardware cipher mode flow diagram of the present invention.
Fig. 4 is that invention software encryption flow illustrates schematic diagram.
Specific implementation mode
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to
Limit the present invention.
A kind of satellite speech scrambling device provided by the invention includes：CPU14 is used for data processing；
Satellite modules 11 are used for data receiver, data transmission and data transfer, and are connected with CPU14；Described number
According to the audio signal in as communication process.
Encrypting module 8, the data encryption processing for being used to pass over satellite modules 11 and vocoder 9, and and CPU14
It is connected；
Vocoder 9 is used for speech signal analysis and synthesis, and is connected with satellite modules 11, and with 8 phase of encrypting module
Connection；The audio data that vocoder 9 transmits satellite modules 11 or encrypting module 8 is analyzed or is synthesized, and is then being passed to
Encrypting module 8 or satellite modules 11.
Multifunction key 5 is used to open the encrypting module 8, and is connected with the button test side of CPU14；
Power supply 4, is electrically connected with CPU14, for entire encryption satellite telephony device power supply；
Microphone 1 is connected with the audio input end of CPU14, and is used for input audio data；
Receiver 2 is connected with the audio output of CPU14, and for exporting audio data.
Further, CPU14 is connect with satellite modules 11 by first serial UART and the first pcm audio bus；
The first serial UART carries out instruction interaction for CPU14 and satellite modules 11；
The first pcm audio bus carries out delivery of audio data for CPU14 and satellite modules 11.
Specifically in the present embodiment, the mutual biography that first serial UART is used to instruct between CPU14 and satellite modules 11
It passs, that is, the instruction transmission for receiving voice, sending out voice, ciphering process
Further, CPU14 is connect with encrypting module 8 by second serial UART and the second pcm audio bus；
The second serial UART carries out instruction interaction for CPU14 and encrypting module 8；
The second pcm audio bus is for encrypting module 8 by the delivery of audio data of encryption to CPU14.
Specific similar with upper one embodiment in the present embodiment, the instruction belonged between CPU14 and encrypting module 8 is handed over
Mutually transmission and delivery of audio data.
Further, satellite modules 11 include sending and receiving voiceband data signal ability for enhancing satellite modules 11
Satellite antenna 10, satellite modules 11 by rf signal line connect satellite antenna 10, make encryption satellite communication device with satellite
It is stronger to transmit signal in signal process.
Further, the satellite speech scrambling device further includes the touch display screen 12 being connected with CPU14；
The cipher mode of the satellite speech scrambling device is divided into hardware encryption and software cryptography；
Multifunction key 5 controls the switch of the hardware cipher mode；
Touch display screen 12 is user interface, and opens the software cryptography and converse and need to be clicked in touch display screen 12
It releases the button.
Specifically, in the case that user presses multifunction key 5, hardware encryption is opened, and user inputs audio by microphone 1
Data are to CPU14, and after CPU14 is by audio coding transcoding kernel processes, encrypting module is passed to by the second pcm bus of audio
8, encrypting module 8 is transferred to satellite modules 11 after encryption, by vocoder 9, and by debugging demodulation be sent to by
It is mobile phone.On the other hand, after the wave audio data that called mobile phone is sent out are received by satellite modules 11, pass through the first audio PCM
Bus passes to CPU14, and pass to the receiver 2 being connected with CPU14 audio outputs after CPU14 decryption plays to the machine by sound
User.When user is that button multifunction key 5 does not open hardware encryption, if the encryption that user clicks in display screen interface is pressed
Button is then software cryptography flow.Software cryptography instruction will be passed to satellite modules by CPU14 by first serial UART at this time
11, synchronously, user is by 1 input audio data of microphone to CPU14, after CPU14 is by audio coding transcoding kernel processes, leads to
It crosses the first audio pcm bus and passes to satellite modules 11, the data that satellite modules 11 receive are transferred to encryption mould by vocoder 9
Audio data is returned to satellite modules 11 by 9 transfer of vocoder after encrypting and passed through by audio data by block 8, encrypting module 8
Debugging demodulation is sent to called mobile phone.On the other hand, after the wave audio data that called mobile phone is sent out are received by satellite modules 11,
CPU14 is passed to by the first audio pcm bus, the receiver 2 being connected with CPU14 audio outputs is passed to after CPU14 decryption
Sound is played into local user.
Further, the satellite speech scrambling device further includes loud speaker 3, loud speaker 3 and CPU14 audio output phases
Connection, and played for realizing the outer sound of audio data.
Further, the satellite speech scrambling device further includes the USB interface 6 being connect with CPU14, and USB interface 6 is used for
The charging of equipment and data transmission.
Further, the satellite speech scrambling device further includes the SD card 7 being connected with CPU14 for storing data
With the SIM card 13 being connected with CPU14 for identification.
It should be noted that satellite scrambler phone mainly has following two flows：
First, the call flow of satellite scrambler phone；
User calls calling function by the dial of the dialing application of mobile phone, by the parameter that comes into come area
Point be plain old telephone or satellite phone, if it is satellite phone, then CPU14 using AT orders by first serial UART group
Number instruction passes to satellite modules 11, and call instruction is modulated into the transmission of radio frequency satellite-signal by satellite modules 11 by radio frequency bus
Pass through AT orders after satellite modules 11 receive the response instruction of access success to satellite antenna 10 and Waiting for Call response
CPU14 is passed to using first serial UART, satellite phone is connected at this time, this embodiment supports the satellite electricity of three types
Words, respectively hardware chip speech scrambling, software cryptography call and normal talking, pass through the current conversational class of AT command determinations
Type controls whether to start encrypting module, and voice data is routed to correct access.
Second, the incoming call flow of satellite scrambler phone；
When calling party sends a telegram here, satellite modules 11 receive call signal of the calling party by satellite launch, and satellite modules connect
After receiving this signal, CPU14 is passed to through first serial UART by AT instructions, after user answers after CPU14 interface displays, is led to
It crosses first serial UART and transmits answer command to satellite modules 11, while audio transmission is carried out by the first pcm bus, encrypt language
The transmission process of sound is identical as the flow of step 1.
In conclusion the present invention provides a kind of satellite speech scrambling device, pass through the CPU satellite modules being connected and CPU
Connected encrypting module, satellite modules by rf signal line connect for the satellite antenna of satellite receiving and transmitting signal, for connecting
Connect that satellite modules connect with the vocoder of encrypting module and CPU buttons test side for opening the multi-functional of encrypting module
Key realizes that mobile phone audio signal is encrypted in software cryptography and hardware encryption two ways, to realize satellite mobile phone mobile phone
Safety call, privacy are protected.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect range.
Claims (8)
1. a kind of satellite speech scrambling device, which is characterized in that including：
CPU is used for data processing；
Satellite modules are used for data receiver, data transmission and data transfer, and are connected with the CPU；
Encrypting module is used for data encryption processing, and is connected with the CPU；
Vocoder is used for speech signal analysis and synthesis, and is connected with the satellite modules, and with the encrypting module phase
Connection；
Multifunction key is used to open the encrypting module, and is connected with the CPU；
Power supply is electrically connected with the CPU；
Microphone is connected with the CPU, and is used for input audio data；
Receiver is connected with the CPU, and for exporting audio data.
2. a kind of satellite speech scrambling device as described in claim 1, which is characterized in that the CPU and the satellite modules
It is connected by first serial UART and the first pcm audio bus；
The first serial UART carries out instruction interaction for the CPU and the satellite modules；
The first pcm audio bus carries out delivery of audio data for the CPU and the satellite modules.
3. a kind of satellite speech scrambling device as described in claim 1, which is characterized in that the CPU and the encrypting module
It is connected by second serial UART and the second pcm audio bus；
The second serial UART carries out instruction interaction for the CPU and the encrypting module；
The second pcm audio bus gives the delivery of audio data of encryption to the CPU for the encrypting module.
4. a kind of satellite speech scrambling device as described in claim 1, which is characterized in that the satellite modules include for increasing
The strong satellite modules send and receive the satellite antenna of voiceband data signal ability.
5. a kind of satellite speech scrambling device as described in claim 1, which is characterized in that the satellite speech scrambling device is also
It include the touch display screen being connected with the CPU；
The cipher mode of the satellite speech scrambling device is divided into hardware encryption and software cryptography；
The multifunction key controls the switch of the hardware cipher mode；
The touch display screen is user interface, and opens the software cryptography and converse and need to be clicked in the touch display screen
It releases the button.
6. a kind of satellite speech scrambling device as described in claim 1, which is characterized in that the satellite speech scrambling device is also
Including loud speaker, the loud speaker is connected with the CPU, and for realizing the broadcasting of audio data.
7. a kind of satellite speech scrambling device as described in claim 1, which is characterized in that the satellite speech scrambling device is also
Include the USB interface being connect with the CPU, charging and data transmission of the USB interface for equipment.
8. a kind of satellite speech scrambling device as described in claim 1, which is characterized in that the satellite speech scrambling device is also
Including for storing data the SD card being connected with the CPU and for the SIM of identification being connected with the CPU
Card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789715.8A CN108668273A (en) | 2018-07-18 | 2018-07-18 | A kind of satellite speech scrambling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789715.8A CN108668273A (en) | 2018-07-18 | 2018-07-18 | A kind of satellite speech scrambling device |
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| CN108668273A true CN108668273A (en) | 2018-10-16 |
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| CN201810789715.8A Pending CN108668273A (en) | 2018-07-18 | 2018-07-18 | A kind of satellite speech scrambling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560859A (en) * | 2018-12-24 | 2019-04-02 | 四川星空年代网络通信有限公司 | A kind of data transmission set based on satellite communication |
| CN111416878A (en) * | 2020-05-14 | 2020-07-14 | 深圳市友恺通信技术有限公司 | Upgrading method through hardware encryption and satellite mobile phone |
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| US20060270451A1 (en) * | 2004-03-17 | 2006-11-30 | Best Fiona S | Secure transmission over satellite phone network |
| CN101873372A (en) * | 2009-04-27 | 2010-10-27 | 骆建军 | Mobile phone system structure with encrypted communication function |
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