CN104394165B - Emergent broadcast terminal device and its information safety authentication method - Google Patents
Emergent broadcast terminal device and its information safety authentication method Download PDFInfo
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- CN104394165B CN104394165B CN201410735428.0A CN201410735428A CN104394165B CN 104394165 B CN104394165 B CN 104394165B CN 201410735428 A CN201410735428 A CN 201410735428A CN 104394165 B CN104394165 B CN 104394165B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
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- Computer Security & Cryptography (AREA)
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- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Circuits Of Receivers In General (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
The invention discloses a kind of emergent broadcast terminal device and its information safety authentication method, it is made up of GPRS module, decoding master chip, network controller, frequency modulation broadcasting FM receiving units, DVB C signals receiving unit, instruction control module, audio output and power amplifier module etc., possess information security certification function, can receive and parse remote encryption control instruction；Decode master chip and control end transfer control instruction is sent to instruction authentication module by serial ports, authentication module is instructed to complete after the parsing work of encrypted instruction, the control instruction after decryption is returned to, decoding master chip controls the working condition of emergent broadcast terminal according to control instruction is returned.The present invention solves the safety issue of emergency broadcase system control instruction, with it is safe, practical the characteristics of.
Description
Technical field
The present invention relates to emergent broadcast technical field, and in particular to a kind of emergent wide with control instruction information security certification
Broadcast terminal device and its information safety authentication method.
Background technology
Emergent broadcast is the important content of national Emergent Public Events Emergency System construction and System Construction of preventing and reducing natural disasters, and is
The authoritative channel and important means of government's solution of emergent event emergency information issue, are the important interior of town and country basic public services
Hold.The safe broadcast of emergent broadcast information is the cardinal task concerning national security and social stability, once emergent broadcast is missed
Broadcast or be used by people, it is possible to cause unnecessary panic or misleading.Existing broadcast system is only encrypted to broadcast data, and right
The instruction of emergent broadcast terminal control lacks necessary signals security authentication mechanism, and the present invention completes encryption using instruction control module
The information security certification of control instruction, solves the safety issue of emergent broadcast terminal control instruction.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of emergent broadcast terminal device and its information security certification side
Method, caused unnecessary fear or the technical problem misled are easily broadcast or are used by people by mistake for solving emergent broadcast.
In view of the above mentioned problem of prior art, according to one side disclosed by the invention, the present invention uses following technology
Scheme：
A kind of emergent broadcast terminal device with control instruction information security certification, it includes：
Frequency modulation broadcasting FM receiving units, for receiving control instruction and frequency modulation emergent broadcast data；
DVB-C signal receiving units, the emergent broadcast RF signals of DVB-C standard are met for receiving, and are converted into intermediate frequency
Signal output gives decoding master chip；
Master chip is decoded, is performed for broadcast data decoding, the parsing of control instruction, priority selection, control instruction；
GPRS module, for terminal device work state information to be passed back into front-end control system in wireless data mode；
Network controller, is interacted for the Ethernet data with front-end control system；
The security of instruction control module, the decrypted authentication instructed for control extension and guarantee control instruction is with answering
The security that anxious broadcast data is played；
Audio output and power amplifier module, are automatically opening up after receiving emergent broadcast data and are being used under master chip control
In emergent broadcast data are conveyed into loudspeaker.
In order to which the present invention is better achieved, further technical scheme is：
According to another embodiment of the invention, the frequency modulation broadcasting FM receiving units have RDS functions.
According to another embodiment of the invention, the decoding master chip is sent to instruction control module by serial ports and controlled
The control instruction of end transmission processed, the decrypted authentication that instruction control module is instructed to control extension, and the control returned after decryption refer to
Make and give decoding master chip, decoding master chip controls the working condition of emergent broadcast terminal according to the control instruction of return.
According to another embodiment of the invention, the network controller is carried out by MII interfaces with decoding master chip
Data interaction.
According to another embodiment of the invention, the decoding master chip includes director data parsing module, priority
Selecting module and control performing module, send into command analysis module by the data after instruction control module decrypted authentication and are solved
Analysis, and the control instruction feeding priority selecting module after successfully resolved is selected, priority selecting module is according to the control
The priority for making instruction is contrasted with the control command priority being currently executing, the higher control life of selection priority
Order, and by the incoming control performing module of selection result, handled it by control performing module.
The present invention can also be：
A kind of information safety authentication method of emergent broadcast terminal device, it includes：
The reception of control instruction and frequency modulation emergent broadcast data is completed by frequency modulation broadcasting FM receiving units；
The emergent broadcast RF signals for meeting DVB-C standard are received by DVB-C signal receiving units, and are converted into intermediate frequency letter
Number export and to give decoding master chip；
Broadcast data decoding, the parsing of control instruction, priority selection and control instruction are completed by decoding master chip
Perform；
Realize that terminal device work state information passes back to front-end control system in wireless data mode by GPRS module,
And carry out information exchange with decoding master chip；
Interacted, and carried out with decoding master chip by network controller and the Ethernet data of front-end control system
Data interaction；
And the decrypted authentication work that control extension is instructed is completed by instruction control module, ensure the safety of control instruction
Property with the security of emergent broadcast data playback；
Also received by audio output and power amplifier module after emergent broadcast data, will be emergent under decoding master chip control
Broadcast data is output to loudspeaker.
According to another embodiment of the invention, in the decoding master chip by instruction control module decrypted authentication after
Data feeding command analysis module parsed, and the control instruction after successfully resolved is sent into the progress of priority selecting module
Selection, priority selecting module is carried out pair according to the priority of the control instruction and the control command priority being currently executing
Than, the higher control command of selection priority, and by the incoming control performing module of selection result, source is done by control performing module
Reason.The present invention solves the safety issue of emergency broadcase system control instruction, with it is safe, practical the characteristics of.
According to another embodiment of the invention, when incoming control instruction priority ratio it is current it is high in the case of, then
Terminate current control instruction to perform, the high control instruction of response priority, while controlling performing module to be selected according to priority
Module output control command parameter control demodulation module, decoding chip are demodulated and decoded to emergent broadcast audio frequency and video, go forward side by side
Row emergent broadcast is broadcasted.
Compared with prior art, one of beneficial effects of the present invention are：
A kind of emergent broadcast terminal device and its information safety authentication method of the present invention, using with information security certification
The instruction control module of function completes the parsing of encrypted instruction data, and master chip sends control end by serial ports to instruction authentication module
Transfer control instruction, instruction authentication module is completed after the parsing work of encrypted instruction, returns to the control instruction after decryption, master chip
According to the working condition for returning to control instruction control emergent broadcast terminal；So as to solve the peace of emergency broadcase system control instruction
Full sex chromosome mosaicism, with it is safe, practical the characteristics of.
Brief description of the drawings
, below will be to embodiment for clearer explanation present specification embodiment or technical scheme of the prior art
Or the accompanying drawing used required in the description of prior art is briefly described, it should be apparent that, drawings in the following description are only
It is the reference to the embodiment of some in present specification, for those skilled in the art, is not paying creative work
In the case of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the emergent broadcast terminal device block diagram with control instruction information security certification.
Fig. 2 is that the emergent broadcast terminal device control instruction with control instruction information security certification flows to schematic diagram.
Fig. 3 is the emergent broadcast end-point device broadcast data with control instruction information security certification and control instruction processing stream
Cheng Tu.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
As shown in figure 1, Fig. 1 is the emergent broadcast terminal device block diagram with control instruction information security certification, the present embodiment
A kind of emergent broadcast terminal device with information security certification, whole system by GPRS module, decoding master chip, network control
The groups such as device processed, frequency modulation broadcasting FM receiving units, DVB-C signal receiving units, instruction control module, audio output and power amplifier module
Into.Frequency modulation broadcasting FM receiving units complete the reception of control instruction and frequency modulation emergent broadcast data；DVB-C signal receiving units can
Receive and meet the emergent broadcast RF signals of DVB-C standard, and be converted into intermediate-freuqncy signal and export to give decoding master chip；Decode master chip
Complete broadcast data decoding, the parsing of control instruction, priority selection, control instruction execution work；GPRS module realizes terminal
Equipment working state information passes back to front-end control systemic-function in wireless data mode, is carried out by serial ports with decoding master chip
Information exchange；Network controller completes to interact with the Ethernet data of front-end control system, passes through MII interfaces and decoding master chip
Carry out data interaction；Instruction control module completes the decrypted authentication work of control extension instruction, ensures the security of control instruction
With the security of emergent broadcast data playback；Audio output is received with power amplifier module and can automatically opened up after emergent broadcast data,
By emergent broadcast data output to loudspeaker under decoding master chip control.
As shown in Fig. 2 Fig. 2, which is the emergent broadcast terminal device control instruction with information security certification, flows to schematic diagram.
Control instruction is divided into 6 classes, including management system issues main control unit instruction EDCM_MU；Management system is handed down to instruction control
Unit processed instructs EDCM_SM；Main control unit is handed down to instruction control unit command M U_SM；Instruction control unit returns to master control
Unit instructs SM_MU；Instruction control unit returns to management system instruction SM_EDCM；Main control unit returns to management system and referred to
Make MU_EDCM.The instruction that wherein management system is handed down to controling instructin unit is controlled single after master chip is forwarded by instruction
Member is decrypted, and the instruction after decryption includes stopping emergent broadcast broadcasting, starts emergent broadcast broadcast, sets terminal device frequency
Rate, device end broadcast sound volume, terminal device enter the operation such as upgrade status.Instruction control unit returns to management system instruction
Management system is transmitted to by main control unit, the instruction is mainly used in pointing out whether operation of the management system to terminal device succeeds.
Refer to as shown in figure 3, Fig. 3 is a kind of emergent broadcast end-point device broadcast data with information security certification with control
Make process chart.The control instruction data and emergent broadcast audio, video data of multichannel are solved by respective demodulation module
Adjust, the data after demodulation, which are sent to the data that decrypted authentication module is decrypted after certification, decrypted authentication and are fed to control, to be referred to
Make parsing module be parsed, after successfully resolved, then selected control instruction feeding priority selecting module, priority choosing
Select control command priority of the module according to the priority of the control instruction with being currently executing to be contrasted, select priority
Higher control command, and by the incoming control performing module of selection result, handled it by control performing module.Such as incoming control
System instruction priority ratio is currently high, then terminates current control instruction and perform, and the high control instruction of response priority is controlled simultaneously
Performing module controls demodulation module according to priority selecting module output control command parameter, and decoding master chip is to emergent broadcast sound
Video is demodulated and decoded, and carries out emergent broadcast broadcast.
The embodiment of each in this specification is described by the way of progressive, what each embodiment was stressed be with it is other
Identical similar portion cross-reference between the difference of embodiment, each embodiment.
" one embodiment ", " another embodiment ", " embodiment " for being spoken of in this manual, etc., refer to knot
Specific features, structure or the feature for closing embodiment description are included at least one embodiment of the application generality description
In.It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Appoint furthermore, it is understood that combining
When one embodiment describes a specific features, structure or feature, what is advocated is this to realize with reference to other embodiment
Feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can be to master in the range of disclosure and claim
The building block and/or layout for inscribing composite configuration carry out a variety of variations and modifications.Except what is carried out to building block and/or layout
Outside variations and modifications, to those skilled in the art, other purposes also will be apparent.
Claims (4)
1. a kind of emergent broadcast terminal device with control instruction information security certification, it is characterised in that it includes：
Frequency modulation broadcasting FM receiving units, for receiving control instruction and frequency modulation emergent broadcast data；
DVB-C signal receiving units, the emergent broadcast RF signals of DVB-C standard are met for receiving, and are converted into intermediate-freuqncy signal
Export and give decoding master chip；
Master chip is decoded, is performed for broadcast data decoding, the parsing of control instruction, priority selection, control instruction；The solution
Code master chip sends the control instruction that control end is transmitted by serial ports to instruction control module, and instruction control module is to control extension
The decrypted authentication of instruction, and the control instruction after decryption is returned to master chip is decoded, decode master chip and referred to according to the control of return
The working condition of order control emergent broadcast terminal；
GPRS module, for terminal device work state information to be passed back into front-end control system in wireless data mode；
Network controller, is interacted for the Ethernet data with front-end control system；
The security of instruction control module, the decrypted authentication instructed for control extension and guarantee control instruction is wide with meeting an urgent need
The security that multicast data is played；
Audio output and power amplifier module, are automatically opening up after receiving emergent broadcast data and are being used to incite somebody to action under master chip control
Emergent broadcast data are conveyed to loudspeaker；
Wherein, the control instruction data and emergent broadcast audio, video data of multichannel are demodulated by respective demodulation module,
Data after demodulation are sent to decrypted authentication module and certification are decrypted；
The decoding master chip includes director data parsing module, priority selecting module and control performing module, passes through instruction
Data feeding command analysis module after control module decrypted authentication is parsed, and the control instruction after parsing is sent into preferentially
Level selecting module is selected, and priority selecting module is according to the priority of the control instruction and the control being currently executing life
Priority is made to be contrasted, the high control command of selection priority, and by the incoming control performing module of selection result, held by control
Row module is handled it.
2. the emergent broadcast terminal device according to claim 1 with control instruction information security certification, it is characterised in that
The frequency modulation broadcasting FM receiving units have RDS functions.
3. the emergent broadcast terminal device according to claim 1 with control instruction information security certification, it is characterised in that
The network controller carries out data interaction by MII interfaces with decoding master chip.
4. a kind of information safety authentication method of emergent broadcast terminal device, it is characterised in that it includes：
The reception of control instruction and frequency modulation emergent broadcast data is completed by frequency modulation broadcasting FM receiving units；
The emergent broadcast RF signals for meeting DVB-C standard are received by DVB-C signal receiving units, and it is defeated to be converted into intermediate-freuqncy signal
Go out and give decoding master chip；The decoding master chip sends the control instruction that control end is transmitted by serial ports to instruction control module,
The decrypted authentication that instruction control module is instructed to control extension, and the control instruction after decryption is returned to master chip is decoded, decode
Master chip controls the working condition of emergent broadcast terminal according to the control instruction of return；
Broadcast data decoding, the parsing of control instruction, priority selection and control instruction execution are completed by decoding master chip；
Realize that terminal device work state information passes back to front-end control system in wireless data mode by GPRS module, and
Information exchange is carried out with decoding master chip；
Interacted by network controller and the Ethernet data of front-end control system, and data are carried out with decoding master chip
Interaction；
And by instruction control module complete control extension instruct decrypted authentication work, ensure control instruction security with
The security of emergent broadcast data playback；
Also received by audio output and power amplifier module after emergent broadcast data, by emergent broadcast under decoding master chip control
Data output is to loudspeaker；
Wherein, the control instruction data and emergent broadcast audio, video data of multichannel are demodulated by respective demodulation module,
Data after demodulation are sent to decrypted authentication module and certification are decrypted；
In the case of the current height of incoming control instruction priority ratio, then terminate current control instruction and perform, response is preferential
The high control instruction of level, while controlling performing module according to priority selecting module output control command parameter control solution mode transfer
Block, decoding chip are demodulated and decoded to emergent broadcast audio frequency and video, and carry out emergent broadcast broadcast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410735428.0A CN104394165B (en) | 2014-12-05 | 2014-12-05 | Emergent broadcast terminal device and its information safety authentication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735428.0A CN104394165B (en) | 2014-12-05 | 2014-12-05 | Emergent broadcast terminal device and its information safety authentication method |
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| CN104394165A CN104394165A (en) | 2015-03-04 |
| CN104394165B true CN104394165B (en) | 2017-10-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656579B (en) * | 2016-02-22 | 2018-04-27 | 四川长虹电器股份有限公司 | Multifunctional broadcasting controller based on RDS |
| CN105790871B (en) * | 2016-02-22 | 2018-10-19 | 四川长虹电器股份有限公司 | Intelligent broadcast terminal based on RDS and GPRS |
| CN107195315A (en) * | 2017-07-25 | 2017-09-22 | 成都德芯数字科技股份有限公司 | Audio broadcast control device and method |
| CN107564256B (en) * | 2017-08-13 | 2020-07-28 | 惠州市德赛西威汽车电子股份有限公司 | Vehicle-mounted sound RDS system and software monitoring method |
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| US7607160B2 (en) * | 2000-01-13 | 2009-10-20 | Lg Electronics, Inc. | Open cable set-top box diagnosing system and method thereof |
| CN101651509A (en) * | 2008-08-15 | 2010-02-17 | 威盛电子(中国)有限公司 | Terminal and method for securely playing multimedia broadcast content |
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| CN104394165A (en) | 2015-03-04 |
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