CN105430452A - Information transmission method and transmission system - Google Patents
Information transmission method and transmission system Download PDFInfo
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- CN105430452A CN105430452A CN201510686129.7A CN201510686129A CN105430452A CN 105430452 A CN105430452 A CN 105430452A CN 201510686129 A CN201510686129 A CN 201510686129A CN 105430452 A CN105430452 A CN 105430452A
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- information
- numbering
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- transmitting terminal
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
Landscapes
- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses an information transmission method and a transmission system. The method includes: a conditional access CA system obtains editing information content and corresponding number, and the information content and the corresponding number are saved in the CA system; the CA system receives the number sent by an information sending terminal, and if the CA system has the number, the information content corresponding to the number is sent to terminal equipment. According to the scheme, problems that the information sending terminal is easily intruded and tampered due to low security level, and the terminal equipment receives sent malicious information so that the information is played or installation infect is caused are solved, and goals that correct information is safety transmitted, and malicious information is blocked and even cannot be sent are achieved.
Description
Technical field
The embodiment of the present invention relates to field of information security technology, particularly relates to a kind of information transferring method and transmission system.
Background technology
Current, in terminal equipment, carry out information displaying, broadcasting is very common, as the screen display, the mail function that use in digital television system, it is usually by Subscriber Management System (SubscriberManageSystem, be called for short SMS) send, the content that CA system (ConditionalAccessSystem, conditional access system) is responsible for SMS sends is broadcast to user terminal, and subscriber terminal equipment carries out information display again.
Carry out in the whole flow process of information displaying at terminal equipment, CA Account Dept is deployed in internal lan, protection level and fail safe are all higher, attack difficulty very large, and information transmitting terminal (SMS) is connected with public place, mobile personnel is numerous, and fail safe is low, the information transmitting terminal of some areas is also connected with public network, and therefore these believable information transmitting terminal become the weak link being subject to lawless person and attacking.Once have lawless person the to invade information content that information transmitting terminal broadcasts illegal even reaction, the social influence of very severe will be caused, often have that report reports dining room, illegal contents is play in the public place such as common screen in market.
Be generally for the solution of invalid information distribution in prior art and blacklist and white list are set in terminal equipment, the information that the information sender of blacklist record sends can be tackled automatically, and the information of the security information people of white list record can be received and show, but its can not solve due to believable transmitting terminal attacked, invade after distort that transmission information brings distort communicating information to terminal equipment and then the problem completing broadcasting, namely do not contain transmission and the propagation of invalid information from source.
Summary of the invention
The invention provides a kind of information transferring method and transmission system, to realize the only having correct information of safety to be communicated to terminal equipment, and the information that malice is distorted is blocked.
First aspect, embodiments provides a kind of information transferring method, comprising:
Conditional Access CA system obtains the information content of editor and corresponding numbering, is kept in described CA system by the described information content and corresponding numbering;
The numbering that described CA system acceptance information transmitting terminal sends, if there is described numbering in described CA system, then sends the information content corresponding to described numbering to terminal equipment.
In such scheme, preferably, described CA system also comprises before obtaining the information content of editor and the numbering of correspondence:
The described CA system compiles information content, and be that the described information content distributes reference numeral.
In such scheme, preferably, described CA system also comprises before obtaining the information content of editor and the numbering of correspondence:
Information transmitting terminal and/or third party's terminal edit file content, for the described information content distributes corresponding numbering;
According to operator in information transmitting terminal and/or the control of computer management tools of third party's terminal configuration and the examination & verification to the described information content, the described information content and corresponding numbering are sent to CA system.
In such scheme, preferably, after the numbering that described CA system acceptance information transmitting terminal sends, also comprise:
If described CA system does not exist the numbering that described information transmitting terminal sends, then refuse the request that described information transmitting terminal sends.
In such scheme, preferably, the information content that the described numbering of described transmission is corresponding comprises to terminal equipment:
Information content editor corresponding for described numbering packs by described CA system, information generated bag;
Described CA system by described packets to terminal equipment.
In such scheme, preferably, the described information content is screen display content or mail; Described information transmitting terminal is Subscriber Management System.
Second aspect, the embodiment of the present invention additionally provides a kind of information transmission system, and this information transmission system includes condition reception CA system and information transmitting terminal, and described CA system comprises:
Information storage module, for obtaining the information content of editor and corresponding numbering, is kept in described CA system by the described information content and corresponding numbering;
Information sending module, for receiving the numbering that described information transmitting terminal sends, if there is described numbering in described CA system, then sends the information content corresponding to described numbering to terminal equipment.
In such scheme, preferably, described CA system also comprises:
Information editing's module for edit file content, and is that the described information content distributes corresponding numbering.
In such scheme, preferably, also comprise:
Information editing's module, is configured in information transmitting terminal and/or third party's terminal, for edit file content, for the described information content distributes corresponding numbering;
Information storage module, be configured in information transmitting terminal and/or third party's terminal, for according to operator in information transmitting terminal and/or the control of computer management tools of third party's terminal configuration and the examination & verification to the described information content, the described information content and corresponding numbering are sent to CA system.
In such scheme, preferably, described CA system also comprises:
Request refusal module, for receive information transmitting terminal send numbering after, if described CA system do not exist described information transmitting terminal send numbering, then refuse the request that described information transmitting terminal sends.
In such scheme, preferably, described information sending module specifically for:
By information content editor packing corresponding for described numbering, information generated bag;
By described packets to terminal equipment.
In such scheme, preferably, the described information content is screen display content or mail; Described information transmitting terminal is Subscriber Management System.
The present invention distributes reference numeral by giving the pre-information content sent, and the information content and reference numeral are kept in Conditional Access CA system, dangerous easily by the transmitting terminal invaded be responsible for send numbering, and the CA system acceptance numbering that level of security height is not easily invaded, by the comparison of numbering, send and judge that the information content of the numbering correspondence existed is to terminal equipment, solve information transmitting terminal due to level of security low, easily invaded distorting and the fallacious message sent is received and then play or install poisoning problem by terminal equipment, realize correct information safe transmission fallacious message and be blocked the object that even cannot send.
Accompanying drawing explanation
Fig. 1 is the flow chart of the information transferring method in the embodiment of the present invention one;
Fig. 2 is the flow chart of the information transferring method in the embodiment of the present invention two;
Fig. 3 is the block diagram of the information transmission system in the embodiment of the present invention three;
Fig. 4 is the block diagram of the information transmission system in the embodiment of the present invention four.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
The flow chart of the information transferring method that Fig. 1 provides for the embodiment of the present invention one, the method is applicable in digital television system, sends the situations such as screen display content to terminal equipment.The method can coordinate realization by CA system, SMS system and terminal equipment, specifically comprises the steps:
Step 110, Conditional Access CA system obtain the information content of editor and the numbering of correspondence, are kept in described CA system by the described information content and corresponding numbering;
Wherein, edit file content is set-up procedure, and the transmission of usual information all needs to pre-define, and as mobile phone A sends information to mobile phone B, needs the user of mobile phone A to complete the editor of information.Information described in step 110 is applicable to screen display content but is not limited thereto, and can also be audio frequency, video, mail, installation kit etc.
Wherein, when the numbering corresponding for described information distribution, be one to one under normal circumstances, the i.e. corresponding unique numbering of information content, but be not precluded within definition in early stage, amendment and later maintenance process and there is the corresponding one group of information of numbering (as: numbering 1 is respectively corresponding two information contents, two described information contents send continuously) or an information multiple numbering of correspondence (as: multiple numberings that the difference of numbering causes can specify the same information content).Numbering coded system described herein comprises employing numeral number, English alphabet numbering or number-letter combination number but is not limited thereto.
The numbering that step 120, described CA system acceptance information transmitting terminal send, if there is described numbering in described CA system, then sends the information content corresponding to described numbering to terminal equipment.
Wherein, when needs transmission information, information transmitting terminal only need send numbering corresponding to the information content that edits in advance in step 110, in information storage module, inquire about whether there is same numbering after the numbering that CA system acceptance sends to information transmitting terminal, if numbering comparison success, then information sending module calls out the information content that described numbering specifies and is sent to terminal equipment.
The technical scheme of the present embodiment, by the concrete information content and corresponding numbering are kept at the high CA system of level of security in advance, the information transmitting terminal that level of security is low only sends information encoding, when numbering the mode of the respective calls transmission information content again after CA system comparison success, solve information transmitting terminal due to level of security low easily invaded and send the problem of non-safety information, the information content that terminal equipment is received is all normal, safe.
Embodiment two
The flow chart of the information transferring method that Fig. 2 provides for the embodiment of the present invention two, the method is applicable in digital television system, sends the content such as screen display, mail to terminal equipment.The method can coordinate realization by CA system, SMS system and terminal equipment, specifically comprises the steps:
Step 210, screen operator defined and mail displaying contents and the reference numeral of specifying notify foreground message transmitting terminal and operator.
Wherein, the displaying contents of screen and mail needs operator to define usually, and operator completes the editing of pre-transmission information according to operation demand.
Step 220, to the control of computer management tools and to the examination & verification of the described information content, the numbering of the described information content and correspondence is sent to CA system according to operator.
Wherein, operator can be the employee of operator, completed the transmission/transmission of the information content by the computer management tools of special specialty by it, operator can prevent the information content to be maliciously tampered to the manual examination and verification of the described information content or occur careless mistake and stored in CA system herein.
Step 230, foreground message transmitting terminal send specifies numbering to described CA system.
If there is described numbering in step 240 described CA system, then will displaying information on screen corresponding to numbering and e-mail messages packing be specified to be sent to terminal equipment.
Step 250, terminal equipment resolving information bag complete information display.
Wherein, terminal equipment is preferably the Set Top Box in digital television system, carries out resolving and by television set being shown after receiving packets of information by Set Top Box.It should be added that, information package process can be omitted in some cases, compiling the information transmission of resolving, directly the information content can be sent to terminal equipment if do not needed.
The technical scheme of the present embodiment, by at the CA systematic conservation information content and reference numeral, information transmitting terminal only sends numbering and does not send the mode of the concrete information content, solve from source information transmitting terminal due to level of security low easily invaded, distort dangerous in a large number, the problem that invalid information is sent to terminal equipment brought.Simultaneously, any setting is not carried out to terminal equipment in this programme, namely can't bring to user uses worry also without the need to installing any plug-in unit, also be reduced in the process of information transmitting terminal and only need to send numbering, the preservation of information is only carried out in CA system, decrease multiple information transmitting terminal and need to store that same data source brings takies memory space, and the nervous problem of channel that a large amount of information source (screen display, mail) is brought at information transmitting terminal, CA system and terminal equipment multi-party transport.
On the basis of such scheme, when judging to draw the numbering not containing information transmitting terminal transmission in CA system in step 240, the request of described CA system exclude information transmitting terminal.
In the present embodiment, application scenarios is digital television system, preferred this programme also can be applicable to region website broadcast, school lunch service, market large-screen, wherein, the editor of information directly can be carried out in CA system by keeper, described CA system is configurable with server computer equipment, the website broadcast that the expected time of arrival sends by keeper, the television image that school lunch service plays, the information that market large-screen is reported is stored in computer equipment, this computer equipment can be placed on safety zone (safety cabinet, independent room) in, information transmitting terminal can be remote control equipment or mobile phone terminal, in daily playing process, keeper is sent by remote control or mobile phone terminal and is stored in advance in the broadcasting that numbering corresponding to information in computer equipment completes information.
Preferably, terminal equipment can be mobile phone, CA system can be arranged on but be not limited to cell phone system supplier (as: apple, Android) place, wherein, CA systematic conservation and send to the information content of terminal equipment to be installation kit, as system upgrade bag, and the media information that non-required is shown or play.
Embodiment three
Fig. 3 is the block diagram of the information transmission system provided in the embodiment of the present invention three, and this transmission system specifically comprises:
CA system 1, information transmitting terminal 2 and terminal equipment 3, wherein CA system 1 comprises information storage module and information sending module, described information storage module is for obtaining the information content of editor and corresponding numbering, the described information content and corresponding numbering are kept in described CA system 1, the numbering that described information sending module sends for receiving described information transmitting terminal 2, if there is described numbering in described CA system 1, then sends the information content corresponding to described numbering to terminal equipment 3.
The technical scheme of the present embodiment is by being kept in the high CA system 1 of level of security in advance by the concrete information content and corresponding numbering, the information transmitting terminal 2 that level of security is low sends information encoding, when numbering the mode of the respective calls transmission information content again after CA system 1 comparison success, solve information transmitting terminal 2 due to level of security low easily invaded and send the problem of non-safety information, the information content that terminal equipment 3 is received is all normal, safe.
On the basis of such scheme, system comprises information editing's module further, described information editing's module is configurable in CA system 1 and is also configurable on information transmitting terminal 2 or is configured in separately in third party's terminal equipment, for edit file content, and is that the described information content distributes reference numeral.When information editing's block configuration is in CA system 1, can be saved in the information storage module of CA system after direct editing, when information editing's block configuration is in information transmitting terminal 1 or third party's terminal, information transmitting terminal and third party's terminal are preserved the information content of editor and reference numeral by the information storage module self configured and are sent to CA system, and process of transmitting can use specialized management instrument to transmit by operator.
On such scheme basis, described CA system 1 comprises request refusal module further, for receive information transmitting terminal 2 send numbering after, if described CA system do not exist described information transmitting terminal 2 send numbering, then refuse the request that described information transmitting terminal 2 sends.Information sending module in described CA system 1 is further used for information content editor packing corresponding for described numbering, and information generated bag, by described packets to terminal equipment.
The said goods can perform the method that any embodiment of the present invention provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
Embodiment four
The information transmission system block diagram that Fig. 4 provides for the embodiment of the present invention four.
The present embodiment based on above-described embodiment, can provide a kind of preferred embodiment.As shown in Figure 4, CA system includes a database, described database is used for the information data that deposit operation person is imported by screen display management tool, the information data imported enters in the white list list of CA system, the screen display that the SMS on foreground defines according to backstage (operator/operator) and email template, select the screen display that will send or mail and the numbering of its correspondence be sent to CA system.First CA system screens numbering whether in white list list, if numbering belongs to white list list, then go out the actual content of screen display or mail according to numbering from database retrieval, then be issued to terminal use according to actual content generation EMM bag, end user receives complete screen display or mail.In this programme, terminal equipment is a Set Top Box, when Set Top Box receives screen display or mail EMM wraps, parses the actual content of screen display or mail, and present to user from bag content.
Screen display and Mail Contents, based on white list mechanism, are managed by backstage by the technical scheme of the present embodiment, improve the fail safe of screen display and mail.Simultaneously because SMS only need transmit screen display and mail numbering, screen display and Mail Contents cannot be distorted, greatly reduce the invaded risk brought of SMS, even if be subject to the worst case of lawless person's intrusion at SMS, effractor also cannot revise the screen display on backstage and the actual content of mail, improve the fail safe of screen display and mail in digital television system greatly, reduce the risk that illegal invasion brings to screen display and mail.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (12)
1. an information transferring method, is characterized in that, comprising:
Conditional Access CA system obtains the information content of editor and corresponding numbering, is kept in described CA system by the described information content and corresponding numbering;
The numbering that described CA system acceptance information transmitting terminal sends, if there is described numbering in described CA system, then sends the information content corresponding to described numbering to terminal equipment.
2. information transferring method according to claim 1, is characterized in that, described CA system also comprises before obtaining the information content of editor and the numbering of correspondence:
The described CA system compiles information content, and be that the described information content distributes reference numeral.
3. information transferring method according to claim 1, is characterized in that, described CA system also comprises before obtaining the information content of editor and the numbering of correspondence:
Information transmitting terminal and/or third party's terminal edit file content, for the described information content distributes corresponding numbering;
According to operator in information transmitting terminal and/or the control of computer management tools of third party's terminal configuration and the examination & verification to the described information content, the described information content and corresponding numbering are sent to CA system.
4. information transferring method according to claim 1, is characterized in that, after the numbering that described CA system acceptance information transmitting terminal sends, also comprises:
If described CA system does not exist the numbering that described information transmitting terminal sends, then refuse the request that described information transmitting terminal sends.
5. information transferring method according to claim 1, is characterized in that, the information content of the described numbering correspondence of described transmission comprises to terminal equipment:
Information content editor corresponding for described numbering packs by described CA system, information generated bag;
Described CA system by described packets to terminal equipment.
6., according to the arbitrary described information transferring method of claim 1-5, it is characterized in that:
The described information content is screen display content or mail;
Described information transmitting terminal is Subscriber Management System.
7. an information transmission system, includes condition reception CA system and information transmitting terminal, it is characterized in that, described CA system comprises:
Information storage module, for obtaining the information content of editor and corresponding numbering, is kept in described CA system by the described information content and corresponding numbering;
Information sending module, for receiving the numbering that described information transmitting terminal sends, if there is described numbering in described CA system, then sends the information content corresponding to described numbering to terminal equipment.
8. the information transmission system according to claim 7, is characterized in that, described CA system also comprises:
Information editing's module for edit file content, and is that the described information content distributes corresponding numbering.
9. the information transmission system according to claim 7, is characterized in that, also comprises:
Information editing's module, is configured in information transmitting terminal and/or third party's terminal, for edit file content, for the described information content distributes corresponding numbering;
Information storage module, be configured in information transmitting terminal and/or third party's terminal, for according to operator in information transmitting terminal and/or the control of computer management tools of third party's terminal configuration and the examination & verification to the described information content, the described information content and corresponding numbering are sent to CA system.
10. the information transmission system according to claim 7, is characterized in that, described CA system also comprises:
Request refusal module, for receive information transmitting terminal send numbering after, if described CA system do not exist described information transmitting terminal send numbering, then refuse the request that described information transmitting terminal sends.
11. information transmission systems according to claim 7, is characterized in that, described information sending module specifically for:
By information content editor packing corresponding for described numbering, information generated bag;
By described packets to terminal equipment.
12., according to the arbitrary described information transmission system of claim 7-11, is characterized in that:
The described information content is screen display content or mail;
Described information transmitting terminal is Subscriber Management System.
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| CN201510686129.7A CN105430452A (en) | 2015-10-21 | 2015-10-21 | Information transmission method and transmission system |
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| CN201510686129.7A CN105430452A (en) | 2015-10-21 | 2015-10-21 | Information transmission method and transmission system |
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| CN105430452A true CN105430452A (en) | 2016-03-23 |
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| CN201510686129.7A Pending CN105430452A (en) | 2015-10-21 | 2015-10-21 | Information transmission method and transmission system |
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