CN102394879A - Network safety browsing method of intelligent television - Google Patents
Network safety browsing method of intelligent television Download PDFInfo
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- CN102394879A CN102394879A CN2011103355948A CN201110335594A CN102394879A CN 102394879 A CN102394879 A CN 102394879A CN 2011103355948 A CN2011103355948 A CN 2011103355948A CN 201110335594 A CN201110335594 A CN 201110335594A CN 102394879 A CN102394879 A CN 102394879A
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Abstract
The invention relates to network safety browsing technology of an intelligent television, especially relating to a safe browsing method of network information content of the intelligent television. In order to solve related unsafe factors brought by network virus information attack in a network browsing process of the intelligent television, the invention provides a security certification method of data obtained by an intelligent television network, through a safe digital television broadcast channel, an SMT (security message table) of network information data is transmitted to an intelligent television terminal, and based on the SMT, the intelligent television terminal determines whether network information content transmitted by the Internet is safe or not. According to the invention, an invention purpose is realized through a series of steps. The invention mainly is applied to the intelligent television terminal network safety browsing technology field.
Description
Technical field
The present invention relates to a kind of safe network browsing technology of intelligent television, especially relate to a kind of safe browsing method of network information content of intelligent television.
Background technology
Secure authentication technology: be meant that mainly intelligent television can realize integrity measurement and source authentication to the main flow network information obtained in the network based on the method, thereby guarantee the safety of network information content.
Have at present that Internet news is browsed, the intelligent television of network interdynamic video request program and expanding software network download correlation function introduced to the market and popularized gradually.Comprise: numerous network digital content resources such as information, microblogging, map, popular comment, happy net can be browsed and program request through TV interaction.Because intelligent television itself is equipped with relevant software systems, in case access network just has the risk that faces illegal virus attack in the network; , also be simultaneously that the after-sale service of TV manufacturer increases many cost pressures not only for user's use has brought inconvenience.
Summary of the invention
Technical problem to be solved by this invention is in order to solve above-mentioned intelligent television in the network browsing process, the relevant unsafe factor that the internet worm information attack is brought.A kind of safety certifying method that the intelligent television network is obtained data is provided; Digital television broadcasting channel through safety is transferred to the intelligent television terminal with the SMT of network information data, and whether the network information content that internet transmission is judged based on SMT (Security Message Table security message table) in the intelligent television terminal safety.
The technical scheme that the present invention adopts is following:
A kind of safe network browsing method of intelligent television comprises
Step a: generate corresponding SMT to network information content, and after adding the ID call number among the SMT of correspondence to corresponding network information content, constitute network information bag;
Step b: the corresponding SMT that generates of network information content among the step a is sent to digital television broadcasting net broadcasting dispatching centre through the VPN private network; Send SMT to the intelligent television terminal through the digital television broadcasting network channel then, and local data base is set up the SMT database file at the intelligent television terminal;
Step c: during the browsing network information of intelligent television terminal, the network information bag of receiving step a is decomposed into network information content X and corresponding ID call number X with it
ID
Steps d: according to index X among the step c
ID, in step b, search corresponding SMT in the SMT database of intelligent television terminal
XData, and extract corresponding SMT
XThe safety value S5 of data;
Step e: the network information content X of intelligent television terminal pins to obtaining among the step c; Through the MD5 algorithm; Whether network information content X is judged safely,, then realize tracing to the source network information content X if network information content X is safe; If network information content X is unsafe, then there is safety issue in intelligent television terminal notifying information.
Whether safe detailed process is following for network information content X deterministic process in the said steps d:
Steps d 1: with network information content X is input, is computing function through the MD5 algorithm, calculates safety value S5 ' this moment=MD5 (X);
Steps d 2: S5 ' and SMT in the steps d 1
XS5 in the data matees, if S5 '=S5, then network information content X is not distorted in transmission course; Otherwise, think that information is distorted;
Steps d 3: guaranteeing that data are not distorted under the prerequisite, extracting SMT
XIn the S4 source-information to the network information content X authentication of originating, realize tracing to the source to the initial publisher of data.
Among the said step a, SMT carries out structure organization according to S1, S2, S3, S4, S5, and S is the vector representation of SMT; S=(S1, S2, Si ... S5; 1≤i≤5), wherein S1 representes the ID call number, and guaranteeing all provides a unique sequence number for each network information content; S2 representes network information content one-level classification value; S3 representes network information content secondary classification value; S4 representes network information content provider information; S5 representes network information security value.
The corresponding at least one SMT information of SMT database among the said step b.
Among the said step b; Intelligent television terminal local data base is set up after the local data storage capacity reaches the upper limit in the corresponding SMT database file storing process; Deletion is not had to set and the one-level classification value of visit seldom and the SMT data of column; If database still reaches maximum size in the case, will be according to storage creation time deletion the earliest the historical SMT data of SMT in database.
Reception of intelligent television terminal and data download broadcast channel are constantly taken turns and are broadcast the SMT data of sending among the said step b; Deposit intelligent television terminal local data base in; If when browsing a certain network information content through intelligent television; Intelligent television just through obtaining the ID call number of the corresponding SMT of network information content that the Internet sends over, at first finds out the corresponding SMT of this information data from local data base
X, and with this network information content and its corresponding SMT
XFor input is judged the integrality and the source of network information content.
The digital television broadcasting channel comprises digital satellite transmission or light among the said step b.
The ID call number is by General Bureau of Radio, Film and Television or other independent authority's the third-party institution among the said step a; According to the corresponding ID call number of each network information content demand assignment; When generating ID is provided call number for the SMT of network information content; Same corresponding SMT of network information content, and the ID call number of this SMT is unique, just can find corresponding SMT rapidly as long as get access to this ID call number.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1, through the VPN private network SMT is sent to the digital television broadcasting net; Through it SMT is sent to the intelligent television terminal again; Because VPN private network and digital television broadcasting net all are comparatively safe network paths in this process, therefore can guarantee to be perfectly safe with reference to safety value S5 in the STM table.
2, during the browse network of intelligent television terminal, in the packet of reception network information content have with STM in corresponding ID call number, be the safety examination of the network information content part of providing convenience.
3, through the MD5 algorithm; The safety value S5 ' of the network information content correspondence of obtaining during computational intelligence television terminal browse network compares with reference to safety value S5 and the information S4 of network information content provider in showing with the STM that transmits through VPN private network, digital television broadcasting net, can judge easily whether the network information content integrality of browsing at the intelligent television terminal is safe and reliable with the source authentication.Improved the fail safe that the intelligent television terminal network is used.
Description of drawings
The present invention will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 design flow diagram of the present invention.
Embodiment
Disclosed all characteristics in this specification, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this specification (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
At first network information content is being generated corresponding SMT data; And be attached to the ID call number of its corresponding SMT and form network information bag after the corresponding network information content; When a certain network information content of internet request is passed through at the intelligent television terminal, the intelligent television terminal will obtain network information bag;
Aspect transmission channel; The network information content that browse at one side intelligent television terminal carries out through the Internet channel, and the Internet channel is also issued the intelligent television terminal in the ID call number of simultaneously that network information content is the corresponding SMT of the network information content that sends to the intelligent television terminal; On the other hand, the SMT data are sent to the SMT data in the local data base at intelligent television terminal through the VPN private network and the digital television broadcasting net of path safety, set up corresponding SMT database.
At the intelligent television terminal (be exactly intelligent TV set, promptly general television set is integrated STB, intelligent television have oneself operating system, internal memory is arranged, the data space that can preserve data is arranged; Intelligent television can be adorned corresponding software as computer; Just software function does not have computer powerful; Speed does not have the computer fast); When the intelligent television terminal is in opening, the intelligent television terminal can receive with the data download broadcast channel constantly wheel broadcast the SMT data of sending, and deposit in the local data base of intelligent television terminal; When browsing a certain network information content through intelligent television; The intelligent television terminal just through obtaining the ID call number of the corresponding SMT of network information content that the Internet sends over, at first finds out the corresponding SMT of this network information content from the local data base of intelligent television terminal
IDData, and with this network information content and its corresponding SMT
IDData are judged the integrality and the source of network information content for input.
As shown in Figure 1, this method may further comprise the steps:
Step a. generates SMT to the Internet delivery network information content, and after being added on the corresponding network information content to the ID call number of its corresponding SMT.Through behind each network information content, adding the ID call number of its corresponding SMT, can make things convenient for like this terminal intelligent TV through the Internet after getting access to network information content, extract corresponding SMT Table I D call number.Wherein network information content is main flow portal website and the content supplier that chooses " visiting frequency is at TOP100 " in the network, obtains network information content there from these content suppliers, for example: happy net, Baidu's map, Sina's information or the like.The SMT data structure is as shown in table 1;
Table 1
By the unique corresponding SMT that generates of network information content.SMT is similar to the secure identity proof data of an information content, and it includes the sequence number of this information, big class, column, source, integrality correlation attribute information.Annotate: in transmission course, this information content is to reach the intelligent television terminal through the Internet channel, and SMT then is through digital broadcast channel, is pushed to the intelligent television terminal with broadcast mode.
ID call number about SMT; This ID call number bridge that to be SMT get in touch with corresponding information content; Sending through the Internet in the process of information content, the ID call number of its corresponding SMT is that television terminal obtains information through the internet after the content after can being attached to the data of sending information content; Extract the ID call number that wherein comprises, can in local data base (push the SMT that comes by broadcast channel and store the database of being set up), search corresponding SMT.
The ID call number of SMT will be distributed corresponding ID call number according to each network information content by General Bureau of Radio, Film and Television or other independent authority's the third-party institution, generate corresponding SMT for network information content.The method of salary distribution of its ID call number is similar to the distribution of calculating MAC Address of Network Card.Same information can only corresponding SMT, and the ID call number of this SMT is absolute unique, as long as get access to the SMT that this ID call number just can find correspondence rapidly.
In the present embodiment, whole SMT, according to S1, S2 ... Each component of S5 carries out structure organization, and S is the vector representation of SMT.S=(S1, S2, Si ... S5,1≤i≤5), SMT is 44byte altogether, the concrete design of each vector is following:
S1 is the ID call number.Form by 16 bytes.Can represent SMT up 2
128Individual; It can guarantee for each information content a unique sequence number to be provided all.This sequence number is sent the source end in information and is added the network information that network sends respectively to and count in the S1 field of its corresponding SMT of content neutralization.
S2 like news, finance and economics, amusement etc., specifically can use 1 byte representation with reference to present information content criteria for classification for the classification of network information content one-level, can represent 256 one-level classification at most.For example: the pairing one-level classification of the information content of this SMT index is a finance and economic, just inserts the data field to " finance and economics " pairing 8 binary codes so herein.
S3 comprises below literature: home news, stock market, games etc. for the secondary classification under the classification of network information content one-level.Use 1 byte representation, can represent 256 secondary classifications at most.For example: the pairing secondary classification of the information content of this SMT index is a stock, just inserts the data field to " stock " pairing 8 binary codes so herein.
S4 is a network information content provider information, uses text representation, accounts for 10 bytes.For example: the Sina that has of the information content of this SMT index makes, and its S4 will be " Sina " so.
S5 is a network information security value, adopts MD5 (Message Digest Algorithm MD5 Message Digest Algorithm 5) in the present embodiment, and the eap-message digest of generation is 16 bytes.S5=MD5 (network information content), this part is input not send network information content at first, calculates according to the MD5 algorithm and generates its corresponding safety value S5.
Step b: the broadcasting dispatching centre that the corresponding SMT that generates of network information content among the step a is sent to the digital television broadcasting net through the VPN private network; And then SMT being sent to the intelligent television terminal through the digital television broadcasting channel, the intelligent television terminal receives and sets up corresponding SMT database file at local data base.Wherein the digital television broadcasting channel comprises: digital satellite transmission, optical fiber etc.Because the Internet does not have the problem of too much consideration secure context at the beginning of design; Anyone can both be easily gets into network through access way such as wired, wireless anywhere, and a large amount of rogue attacks persons, internet worm make the transmission of network information content and dangerous in the network; And the digital television broadcasting channel, it is the channel of a relative closure, the source end carries out unified management by radio and television general bureau, in the transmission course easily illegal with add data, have higher fail safe.Therefore SMT is transferred to the intelligent television terminal through the broadcast channel of safety, can guarantee its being perfectly safe in transmission course.
To the operation of digital television broadcasting channel, receive SMT through the digital television broadcasting channel radio in advance, solved in the actual application the sudden contradiction with randomness in intelligent television terminal to the SMT demand.This step is opened the intelligent television terminal the user and will be carried out in real time on the backstage, need not the user and triggers.In this step, the SMT in the digital television broadcasting channel is passed through to download in the intelligent television terminal, and real-time being stored in the local intelligent television terminal database of SMT.The SMT database file of local data library storage such as following table 2:
Table 2
| The ID call number | Big type | Column | The source | Safety value |
| 505480… | 25 | 23 | Baidu | 0505245… |
| 505452… | 26 | 25 | Sina | 0254566…. |
| 480255.. | 28 | 27 | Happy net | 8523588…. |
| …. | ….. | ….. | ….. | ….. |
SMT data of each line display in the database; The purpose of storing these SMT data is to provide for the network information content that the intelligent television terminal obtains the SMT data of safety certification.In the user terminal storing process after the stored data base capacity reaches the upper limit; The deletion user is not set and big type that seldom visits and the SMT data of column; If database still reaches maximum size in the case, will be according to the download time deletion historical SMT data the earliest of SMT data.
For example: the ID call number that gets access to a certain info web content X and the SMT that is attached to content X back when the intelligent television terminal through the Internet; The intelligent television terminal just can extract corresponding SMT rapidly through this ID call number in local data base; The ID call number of supposing X is 505452 ..., just can obtain corresponding SMT through searching the local cache data so, as shown in table 3
Table 3
| The ID call number | Big type | Column | The source | Safety value |
| 505452… | 26 | 25 | Sina | 0254566…. |
Wherein big class, column, source, safety value all are the attribute descriptions to information content X.
Step c: through the operation of intelligent television terminal in the internet information navigation process, the network information bag among the receiving step a of intelligent television terminal (the ID call number that comprises the SMT of a certain network information content and correspondence).When the intelligent television terminal gets access to network information bag, at first decomposite corresponding network information content X and the ID call number X of its corresponding SMT
ID
Steps d: according to index X among the step c
ID, in step b, search corresponding SMT in the SMT database of intelligent television terminal storage
XThe table data, and extract corresponding SMT
XThe safety value S5 of table data.
The network information content X that obtains among the step e. intelligent television terminal pins step c; Through the MD5 algorithm; Whether network information content X is judged safely,, then realize tracing to the source network information content if network information content X is safe; If network information content X is unsafe, then there is safety issue in intelligent television terminal notifying information.Concrete grammar is following
1) be input with network information content X, the MD5 algorithm is a computing function, calculates safety value S5 ' this moment=MD5 (X),
2) top S5 ' that calculates and SMT
IDS5 in the table data matees, if S5 '=S5, then network information content X is not distorted in transmission course; Otherwise, think that information is distorted;
3) guaranteeing under the prerequisite that data are not distorted that through extracting source-information wherein, the information of can obtaining is originated at first, realizes tracing to the source to the initial publisher of information.
Embodiment one:
This example is the example declarative procedure with a certain piece of writing webpage of " Sina's information " portal website:
Step a1 supposes that " Sina's information " produced one piece of home news web data through a certain channel, representes with A in the present embodiment, and it is following to generate the SMT step:
Generate SMT for " Sina's information " network information content
AEach property value,
S1=015213343 (16 bytes, unique corresponding data A);
S2=news (the big class of A); The code of supposing news is " 26 ";
S3=home news (secondary classification of A); Suppose that the home news code is " 25 ";
S4=Sina information (source of A);
S5=12442924 (16 bytes, MD5 value are generated according to MD5 by the A data block); The final SMT that generates total 44 bytes
AThe table data, as shown in table 4:
Table 4
| The ID call number | Big type | Column | The source | Safety value |
| 015213343… | 26 | 25 | Sina's information | 12442924…. |
After " Sina's information " produced one piece of home news web data through a certain channel, add the network information bag of ID call number formation network information content A among the SMT simultaneously;
Step b1, through the VPN private network network information content A among the step a is generated corresponding SMTA data and be sent to digital television broadcasting net broadcasting dispatching centre; Send to the intelligent television terminal through the digital television broadcasting network channel subsequently, and local data base is set up the SMT database file at the intelligent television terminal; Broadcast channel will constantly be taken turns to broadcast and sent information data, user's download demand in the time of with satisfied difference;
Step c1: when the internet browsing network information content is passed through at the intelligent television terminal; When visiting the network information content A under Sina's information; Receive network information content A through the corresponding network information bag of step a; Subsequently network information bag is decomposed, form network information content A and corresponding ID call number A
ID;
Steps d 1: pass through A according to index among the step c
ID, in step b, search corresponding SMT in the SMT database of intelligent television terminal
AData, and extract corresponding SMT
AThe safety value S5 of data.
Step e1: the network information content A that obtains among the intelligent television terminal pins step c; Through the MD5 algorithm; Whether network information content A is judged safely,, then realize tracing to the source network information content A if network information content A is safe; If network information content A is unsafe, then there is the security row problem in intelligent television terminal notifying information.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (8)
1. the safe network browsing method of an intelligent television is characterized in that comprising
Step a: generate corresponding SMT to network information content, and after adding the ID call number among the SMT of correspondence to corresponding network information content, constitute network information bag;
Step b: the corresponding SMT that generates of network information content among the step a is sent to digital television broadcasting net broadcasting dispatching centre through the VPN private network; Send SMT to the intelligent television terminal through the digital television broadcasting network channel then, and local data base is set up the SMT database file at the intelligent television terminal;
Step c: during the browsing network information of intelligent television terminal, the network information bag of receiving step a is decomposed into network information content X and corresponding ID call number X with it
ID
Steps d: according to index X among the step c
ID, in step b, search corresponding SMT in the SMT database of intelligent television terminal
XData, and extract corresponding SMT
XThe safety value S5 of data;
Step e: the network information content X of intelligent television terminal pins to obtaining among the step c; Through the MD5 algorithm; Whether network information content X is judged safely,, then realize tracing to the source network information content X if network information content X is safe; If network information content X is unsafe, then there is safety issue in intelligent television terminal notifying information.
2. the safe network browsing method of a kind of intelligent television according to claim 1, whether safe detailed process is following to it is characterized in that in the said steps d network information content X deterministic process:
Steps d 1: with network information content X is input, is computing function through the MD5 algorithm, calculates safety value S5 ' this moment=MD5 (X);
Steps d 2: S5 ' and SMT in the steps d 1
XS5 in the data matees, if S5 '=S5, then network information content X is not distorted in transmission course; Otherwise, think that information is distorted;
Steps d 3: guaranteeing that data are not distorted under the prerequisite, extracting SMT
XIn the S4 source-information to the network information content X authentication of originating, realize tracing to the source to the initial publisher of data.
3. the safe network browsing method of a kind of intelligent television according to claim 1 and 2; It is characterized in that among the said step a that SMT carries out structure organization according to S1, S2, S3, S4, S5, S is the vector representation of SMT; S=(S1, S2, Si ... S5; 1≤i≤5), wherein S1 representes the ID call number, and guaranteeing all provides a unique sequence number for each network information content; S2 representes network information content one-level classification value; S3 representes network information content secondary classification value; S4 representes network information content provider information; S5 representes network information security value.
4. the safe network browsing method of a kind of intelligent television according to claim 3 is characterized in that the corresponding at least one SMT information of SMT database among the said step b.
5. the safe network browsing method of a kind of intelligent television according to claim 4; It is characterized in that among the said step b; Intelligent television terminal local data base is set up after the local data storage capacity reaches the upper limit in the corresponding SMT database file storing process; Deletion is not had to set and the one-level classification value of visit seldom and the SMT data of column, if database still reaches maximum size in the case, will be according to storage creation time deletion the earliest the historical SMT data of SMT in database.
6. the safe network browsing method of a kind of intelligent television according to claim 5; It is characterized in that among the said step b that the intelligent television terminal receives and the data download broadcast channel constantly wheel broadcast the SMT data of sending; Deposit intelligent television terminal local data base in; If when browsing a certain network information content through intelligent television; Intelligent television just through obtaining the ID call number of the corresponding SMT of network information content that the Internet sends over, at first finds out the corresponding SMT of this information data from local data base
X, and with this network information content and its corresponding SMT
XFor input is judged the integrality and the source of network information content.
7. the safe network browsing method of a kind of intelligent television according to claim 6 is characterized in that the digital television broadcasting channel comprises digital satellite transmission or light among the said step b.
8. the safe network browsing method of a kind of intelligent television according to claim 7; It is characterized in that the ID call number is by General Bureau of Radio, Film and Television or other independent authority's the third-party institution among the said step a; According to the corresponding ID call number of each network information content demand assignment; When generating ID is provided call number for the SMT of network information content; Same corresponding SMT of network information content, and the ID call number of this SMT is unique, just can find corresponding SMT rapidly as long as get access to this ID call number.
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| CN104954876A (en) * | 2015-06-16 | 2015-09-30 | 四川长虹电器股份有限公司 | Method and system for realizing quick screenshot of smart television |
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