CN102457774A - Method, device and system for processing television program data - Google Patents
Method, device and system for processing television program data Download PDFInfo
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- CN102457774A CN102457774A CN2010105203184A CN201010520318A CN102457774A CN 102457774 A CN102457774 A CN 102457774A CN 2010105203184 A CN2010105203184 A CN 2010105203184A CN 201010520318 A CN201010520318 A CN 201010520318A CN 102457774 A CN102457774 A CN 102457774A
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Abstract
The invention discloses a method, a device and a system for processing television program data, which are used for assisting a terminal which does not have a function of receiving a broadcast television program in playing a television program. The method comprises the following steps that: the device for processing the television program data receives a television program data request message which is sent by the terminal and carried with a terminal identifier, and selects a user authentication module (UAM) matched with the terminal identifier from UAMs in the device; the device determines a television program service key (MSK) acquired by the selected UAM; the device receives scrambled television program data and a program steam key (MTK) which are broadcast by a television program source server through a multimedia broadcast receiving module arranged in the device; and the device decrypts the MTK by using the MSK to acquire a control character (CK), descrambles the scrambled television program data by using the CK and sends the descrambled television program data to a television program data receiving terminal so as to play the television program data.
Description
Technical field
The present invention relates to the digital television techniques field, relate in particular to a kind of processing method, Apparatus and system of television programme data.
Background technology
Along with the lifting with terminal capabilities of popularizing at terminal, the user no longer is confined to only carry out voice call to the scope of application at terminal, also comprise utilizing the terminal online, and the browsing multimedia file etc.Recently; The new function at more popular terminal utilizes the terminal to order and enjoy mobile phone TV services exactly; Promptly receive and play the TV programme of broadcasting, this function makes the terminal possess multimedia file receiving ability flexibly, therefore once releasing the welcome that has just obtained the user.
The terminal receives the sketch map of TV programme of broadcasting through mobile phone TV services as shown in Figure 1; The terminal need obtain user key (MUK) and encrypted service key (MSK) from mobile communications network, receives the scrambled television program data and the program current cipher key (MTK) of radio network broadcasting then.Wherein, MUK generates according to the SIM/USIM information at terminal, thereby its MSK that is used for behind the enabling decryption of encrypted obtains MSK; MSK then is used to decipher the controlled word CK of MTK, and this CK is used for the scrambled television program data is carried out descrambling.
In order to obtain the television programme data of radio network broadcasting, need the module (this module is generally " TV programme receiving chip ", also claims the multimedia broadcasting receiver module) and the user authentication module UAM of the TV programme of integrated reception broadcasting in the terminal.Wherein, the multimedia broadcasting receiver module is responsible for receiving the scrambled television program data and the MTK of broadcasting, and UAM then is used to obtain and preserve MUK and MSK.
In the prior art; Because the terminal still is a kind of newer function to the reception of the TV programme of broadcasting with playing; Therefore, the module of the TV programme that receive broadcasting is not set also in a lot of terminals, this terminal that just causes this module is not set can not receive and play TV programme.
Summary of the invention
The embodiment of the invention provides a kind of processing method, Apparatus and system of television programme data, does not possess the terminal TV reception of the TV programme receiving function of broadcasting in order to assistance.
The embodiment of the invention adopts following technical scheme:
A kind of processing method of television programme data; Comprise: the television programme data request message that carries terminal iidentification that the processing unit receiving terminal of television programme data sends, and choose the UAM that matees with said terminal iidentification among the user authentication module UAM from be arranged on said processing unit; The television program service key MSK that the said UAM that said processing unit is confirmed to choose obtains; And said processing unit is through being arranged on the scrambled television program data and the program current cipher key MTK of the multimedia broadcasting receiver module received television program source server broadcasting in the said device; Said processing unit utilizes MSK that MTK is deciphered controlled word CK, and utilizes CK that said scrambled television program data is carried out sending to the television programme data receiving terminal behind the descrambling and play.
A kind of processing unit of television programme data comprises: the message sink unit is used for the television programme data request message that carries terminal iidentification that receiving terminal sends; UAM chooses the unit, is used for from the user authentication module UAM that is arranged on said processing unit, chooses the UAM of the terminal iidentification coupling that receives with the message sink unit; MSK confirms the unit, is used for confirming that UAM chooses the television program service key MSK that the UAM of unit selection obtains; The multimedia broadcasting receiving element is used for scrambled television program data and program current cipher key MTK that the received television program source server is broadcasted; Decryption unit is used to utilize MSK to confirm that the MSK that confirms the unit deciphers controlled word CK to the MTK that the multimedia broadcasting receiving element receives; The descrambling unit, the CK that is used to utilize decryption unit to obtain carries out descrambling to the scrambled television program data that the multimedia broadcasting receiving element receives; Transmitting element, the television programme data behind the descrambling that is used for the descrambling unit is obtained sends to the television programme data receiving terminal and plays.
A kind of treatment system of television programme data, the processing unit that comprises a television programme data and at least one terminal, wherein: said terminal is used for sending the television programme data request message that carries terminal iidentification to said processing unit; Said processing unit; Be used for from the user authentication module UAM that is arranged on said processing unit; Choose with said message in the UAM of the terminal iidentification coupling of carrying; The television program service key MSK that the said UAM that confirms to choose obtains; Through being arranged on the scrambled television program data and the program current cipher key MTK of the multimedia broadcasting receiver module received television program source server broadcasting in the said device, and utilize MSK that MTK is deciphered controlled word CK, and utilize CK that said scrambled television program data is carried out sending to the television programme data receiving terminal behind the descrambling and play.
The beneficial effect of the embodiment of the invention is following:
The such scheme that the embodiment of the invention provides to obtain MSK for the terminal through the UAM that is provided with in the processing unit that adopts television programme data; And multimedia broadcasting receiver module reception scrambled television program data and MTK through being provided with in the processing unit; Further utilize MSK to MTK decipher obtain CK after; Utilizing CK that the scrambled television program data is carried out sending to the television programme data receiving terminal behind the descrambling again plays; Even thereby the terminal does not possess the receiving function of the TV programme of UAM and broadcasting, this scheme that adopts the embodiment of the invention to provide, this processing unit also can assist the terminal to realize watching TV programme.
Description of drawings
Fig. 1 receives the sketch map of the TV programme of broadcasting through mobile phone TV services for terminal in the prior art;
The idiographic flow sketch map of the processing method of a kind of television programme data that Fig. 2 provides for the embodiment of the invention;
Processing unit utilizes UAM to obtain the process sketch map of MSK in the method that Fig. 3 provides for the embodiment of the invention;
The concrete structure sketch map of the processing unit of a kind of television programme data that Fig. 4 provides for the embodiment of the invention;
Fig. 5 a is a kind of actual application environment sketch map of the processing scheme of the television programme data that provides of the embodiment of the invention;
Fig. 5 b is the concrete application flow sketch map of scheme in environment shown in Fig. 4 a that the embodiment of the invention provides;
The concrete structure sketch map of the treatment system of a kind of television programme data that Fig. 6 provides for the embodiment of the invention.
Embodiment
In order to realize assisting not possessing the terminal TV reception of the TV programme receiving function of broadcasting, the inventor considers to assist this terminal TV reception through a device that possesses the TV programme receiving function of UAM and broadcasting.The integrated not available UAM in this terminal and multimedia broadcasting receiver module in this device, terminal only need connect with this device, and this device can be realized functions such as the reception of scrambled television program data and descramblings.
Particularly, based on said apparatus, the embodiment of the invention at first provides a kind of processing method of television programme data, and the idiographic flow sketch map of this method is as shown in Figure 2, may further comprise the steps:
Step 21, the television programme data request message that carries terminal iidentification that the processing unit of television programme data (hereinafter to be referred as processing unit) receiving terminal sends;
Among step 22, the processing unit user authentication module UAM from be arranged on self, the UAM of the terminal iidentification that request message the carried coupling of choosing and receiving;
The television program service key MSK that the UAM that step 23, processing unit are confirmed to choose obtains;
Step 24, processing unit is through being arranged on the scrambled television program data and the program current cipher key MTK of the multimedia broadcasting receiver module received television program source server broadcasting in self;
Step 25; Processing unit utilizes MSK that MTK is deciphered controlled word CK; And utilize CK that the scrambled television program data that receives is carried out sending to the television programme data receiving terminal behind the descrambling and play; Wherein, the television programme data receiving terminal here can be this terminal, also can identify indicated terminals for other designated terminals that send at this terminal.
To step 22, this processing unit is confirmed and the process of the UAM that terminal iidentification matees can have multiple implementation.
Such as, this processing unit can directly be chosen a UAM and distribute to this terminal from a plurality of UAM that self are provided with.And hypothesis is before the said method that adopts the embodiment of the invention to provide; Obtaining of television programme data carried out through this processing unit in the terminal; Then in order to practice thrift the processing resource; Can bind UAM and the corresponding relation at terminal that service was provided for the terminal in the embodiment of the invention, and the corresponding relation that identifies of storage terminal sign and the UAM that distributes to the terminal.Thereby follow-uply when this terminal continues to adopt said method to realize that TV programme are play, just can judge in this corresponding relation of storage in advance, whether exist with above-mentioned request message in the corresponding UAM of terminal iidentification that carries identify; And in judged result when being, then directly choose the UAM sign indicated UAM corresponding with this terminal iidentification; And in the judged result result for not the time, UAM of picked at random among a plurality of UAM that consider again from processing unit, to be provided with.
In embodiments of the present invention; In order to economize on resources further; For providing among the UAM that serves, the terminal can also store the used MSK in this terminal in advance; Thereby after confirming the UAM that matees with the terminal, processing unit confirms that the MSK that UAM obtains specifically can comprise the steps: in the above-mentioned steps 23
At first, processing unit judges among the UAM that chooses whether store MSK;
Then;, directly confirm the MSK of this UAM storage, thereby need not to regain MSK from the television program service server again when being in judged result; Therefore practiced thrift a part of resource; And in definite result for not the time, then realize terminal behind registration on the television program service server and subscription television program through this UAM, that confirms that this UAM obtained offers the MSK at this terminal by the television program service server again.
Particularly, above-mentioned steps 21,22, the processing unit described in 23 obtain terminal iidentification, confirm can to adopt following substep as shown in Figure 3 with the UAM of terminal iidentification coupling and through the process that the UAM that confirms obtains MSK:
Substep 31: at first, processing unit obtains terminal iidentification;
Substep 32: then, in the terminal iidentification of judging storage in advance and the corresponding relation of the sign of the UAM that distributes to the terminal, whether have the sign of the UAM corresponding with this sign of obtaining; In judged result when being; Carry out substep 33, otherwise, substep 36 carried out;
Substep 33: in judged result when being; Before being described, this terminal utilized this processing unit to come TV reception; Therefore whether store MSK among the indicated UAM of the sign of the UAM that the sign of further confirming to obtain is corresponding, and in definite result when being, execution in step 34; Otherwise, carry out substep 35;
Substep 35 utilizes this UAM to realize the terminal behind registration on the television program service server and subscription television program, confirms the MSK by the transmission of television program service server that this UAM obtains, and flow process finishes;
The MSK that is sent by the television program service server that substep 37, and utilize the UAM choose to realize the terminal behind registration on the television program service server and subscription television program, the UAM that confirms to choose obtain, flow process finishes.
In embodiments of the present invention; Because processing unit is except sending to the television programme data behind the descrambling the above-mentioned terminal; Can also send to other designated terminals; Therefore just need above-mentioned terminal to send other designated terminal signs, thereby processing unit can be according to other designated terminal signs that receive, the indicated terminal of this sign of realizing the television programme data that obtains behind the descrambling is sent to reception to processing unit.TV programme are watched at terminal for fear of not ordering mobile phone TV services; In the embodiment of the invention; Can also further judge the authority of this designated terminal; When determine this designated terminal sign be contained in the processing unit storage order in the terminal iidentification of TV programme the time, processing unit just sends to the television programme data that obtains behind the descrambling the indicated terminal of this sign of reception.
In embodiments of the present invention; Processing unit and terminal can but the short distance connected mode etc. that is not limited to based on bluetooth or WiFi is carried out information interaction; And; Terminal described in the said method is the terminal of the TV programme receiving function that does not possess UAM and broadcasting, and perhaps, this terminal also can be the terminal of the TV programme receiving function that possesses UAM and broadcasting.When this terminal is when possessing the terminal of TV programme receiving function of UAM and broadcasting, the said method that adopts the embodiment of the invention to provide can effectively reduce this terminal required required processing resource of reception, descrambling television programme data when playing television programme data.
Corresponding to the said method that the embodiment of the invention provides, the embodiment of the invention also provides a kind of processing unit of television programme data, and the concrete structure sketch map of this device is as shown in Figure 4, comprises following functional unit:
UAM chooses unit 42, is used for from the user authentication module UAM that is arranged on processing unit, chooses the UAM of the terminal iidentification coupling that receives with message sink unit 41;
MSK confirms unit 43, is used for confirming choosing the MSK that the UAM that chooses unit 42 obtains through UAM;
Multimedia broadcasting receiving element 44 is used for scrambled television program data and program current cipher key MTK that the received television program source server is broadcasted;
Descrambling unit 46, the CK that is used to utilize decryption unit 45 to obtain carries out descrambling to the scrambled television program data that multimedia broadcasting receiving element 44 receives;
Transmitting element 47; Television programme data behind the descrambling that is used for descrambling unit 46 is obtained sends to the television programme data receiving terminal and plays; Wherein, the receiving terminal here can be this terminal, also can identify indicated terminals for other designated terminals that send at this terminal.
Choose a kind of implementation of unit 42 functions corresponding to UAM, can UAM be chosen unit 42 in the embodiment of the invention and further be divided into following functional module:
First judge module is used for judging in advance the terminal iidentification of storage and the corresponding relation of the UAM sign of distributing to the terminal, whether exist with above-mentioned request message in the corresponding UAM of terminal iidentification that carries identify;
Determination module, the judged result that is used for obtaining at first judge module are chosen the indicated UAM of this corresponding UAM sign when being;
Choose module, the judged result result who is used for obtaining at first judge module for not the time, the UAM of the terminal iidentification coupling of carrying in UAM conduct of picked at random and the request message among a plurality of UAM that from processing unit, are provided with.
Confirm a kind of implementation of unit 43 functions corresponding to MSK, can also MSK be confirmed that dividing elements is following functional module in the embodiment of the invention:
Second judge module is used for judging that UAM chooses the UAM that confirms the unit and whether stores MSK;
MSK determination module, the judged result that is used for obtaining at second judge module obtain the MSK of storage when being;
Registration and order module; The definite result who is used for obtaining at second judge module is not for the time; Realize the terminal behind registration on the television program service server and subscription television program through the UAM that confirms, that confirms that UAM obtains offers the MSK at terminal by the television program service server.
Preferably; In the time need the television programme data behind the descrambling being sent to the indicated terminal of sign that receiving element receives; For fear of being sent to, television programme data do not possess the terminal of playing the TV programme authority; Above-mentioned processing unit can further include definite unit; Be used for before transmitting element sends to television programme data at the indicated terminal of sign that the sign receiving element receives, confirm the processing unit storage order comprise the sign at the indicated terminal of this sign in the terminal iidentification of TV programme.
Below the such scheme that provides with the embodiment of the invention in reality, be applied as example, specify the practical application flow process of the such scheme that the embodiment of the invention provides.
A kind of actual application environment sketch map of the such scheme that the embodiment of the invention provides is shown in Fig. 5 a, and this applied environment mainly comprises 4 parts, the i.e. processing unit of radio network, mobile communications network, TV programme and terminal.Wherein, the processing unit of TV programme can comprise a multimedia broadcasting receiver module, one or more UAM (UAM1～UAMn) and a distribution control module.Terminal in this environment is the mobile phone (such as mobile phone 1, the mobile phone 2... among the figure) that does not possess multimedia broadcasting receiver module and UAM; Can adopt software to realize a transmit control module on this mobile phone, the television programme data that this transmit control module is mainly used in behind the descrambling that the processing unit to TV programme sends is play.
Mobile phone 1 that transmit control module is installed can be through the following steps shown in Fig. 5 b, are implemented in TV reception under the assistance of processing unit of TV programme:
Step 51, the transmit control module of mobile phone 1 sends request through the short processing unit (hereinafter to be referred as processing unit) that connects to TV programme, and carries SIM/USIM information;
Step 52, the distribution control module receives this request through short, and the SIM/USIM information of carrying according to this request; Whether the UAM that crosses with this SIM/USIM information matches is arranged, if judged result is for being that then execution in step 57 in the judgment processing device; Otherwise, execution in step 53;
Step 53, the distribution control module distributes a UAM to be associated with the SIM/USIM information of mobile phone 1, and this UAM through distributing; The UAM that utilizes according to providing in the prior art realizes the mode that the registration and the TV programme at terminal are ordered; Realization is arrived the television program service server with endpoint registration, and obtains the MSK of television program service server feedback, need to prove; If the MSK for encrypting of television program service server feedback; Then distribute control module and also need indicate mobile phone 1 to utilize SIM/USIM information, from the server of mobile communications network, obtain and be used for MUK that the MSK that encrypts is deciphered, below further execution in step 54;
Step 54, the multimedia broadcasting receiver module in the processing unit receives scrambled television program data and MTK;
Step 55; The distribution control module sends to UAM with scrambled television program data and MTK; UAM utilizes MUK that the MSK deciphering of encrypting is obtained MSK (when MSK does not have when encrypted; Also need not to decipher with MUK), MSK deciphers MTK and obtains CK, thereby realizes the scrambled television program data is carried out descrambling with CK;
Step 56, the television programme data of distribution control module after with descrambling sends to mobile phone 1 through short the connection, and broadcast in the mobile phone 1 and control module are play in mobile phone 1 the television programme data back of decoding, and flow process finishes;
Whether step 57 has MSK among the UAM of inspection and SIM/USIM information matches, if having, and execution in step 54, otherwise, execution in step 58;
Step 58; With the UAM of SIM/USIM information matches SIM/USIM information is offered mobile communications network; Realization to the television program service server, and is obtained the MUK of television program service server feedback and the MSK of encryption with endpoint registration, below further execution in step 54.
Owing in the processing unit a plurality of UAM can be set, therefore, obtain television programme data to the processing unit request if work as mobile phone 2, then through repetition above-mentioned steps 51～58, also can realize assisting mobile phone 2 TV receptions.
The short bandwidth that is connected between quantity and the processing unit that the mobile phone quantity that processing unit can be supported at one time depends on UAM and the mobile phone.
Need to prove that in embodiments of the present invention, after realizing the descrambling of scrambled television programme data, the distribution control module also can send to other-end with television programme data and play.Other-end can be a mobile phone, also can be other forms of device, and such as the PC terminal, digital photo frame etc. have the terminal of television programme data ability to play.
The method and apparatus that provides corresponding to the embodiment of the invention; The embodiment of the invention also provides a kind of treatment system of television programme data; The concrete structure sketch map of this system is as shown in Figure 6; The processing unit 61 and at least one terminal 62 that comprise a television programme data, wherein, terminal 62 is used for sending the television programme data request message that carries terminal iidentification to the processing unit 61 of television programme data; And the processing unit 61 of television programme data is used for from the user authentication module UAM of the processing unit 61 that is arranged on television programme data; Choose with request message in the UAM of the terminal iidentification coupling of carrying; The MSK that the UAM that confirms to choose obtains; Scrambled television program data and program current cipher key MTK through the broadcasting of the multimedia broadcasting receiver module received television program source server in the processing unit 61 that is arranged on television programme data; And utilize MSK that MTK is deciphered controlled word CK, and utilize CK that the scrambled television program data is carried out sending to the television programme data receiving terminal behind the descrambling and play, wherein; The receiving terminal here can be this terminal, also can identify indicated terminals for other designated terminals that send at this terminal.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. the processing method of a television programme data is characterized in that, comprising:
The television programme data request message that carries terminal iidentification that the processing unit receiving terminal of television programme data sends, and choose the UAM that matees with said terminal iidentification among the user authentication module UAM from be arranged on said processing unit;
The television program service key MSK that the said UAM that said processing unit is confirmed to choose obtains; And
Said processing unit is through being arranged on the scrambled television program data and the program current cipher key MTK of the multimedia broadcasting receiver module received television program source server broadcasting in the said device;
Said processing unit utilizes MSK that MTK is deciphered controlled word CK, and utilizes CK that said scrambled television program data is carried out sending to the television programme data receiving terminal behind the descrambling and play.
2. the method for claim 1 is characterized in that, chooses the UAM that matees with said terminal iidentification among the UAM of said processing unit from be arranged on said device and specifically comprises:
In the terminal iidentification that said processing unit is judged storage in advance and the corresponding relation of the UAM sign of distributing to the terminal, whether exist with said message in the corresponding UAM of terminal iidentification that carries identify;
When being, choose the indicated UAM of UAM sign of said correspondence in judged result; And
In the judged result result for not the time, the UAM of the terminal iidentification coupling of carrying in UAM conduct of picked at random and the said message among a plurality of UAM that from said processing unit, are provided with.
3. according to claim 1 or claim 2 method is characterized in that, the MSK that the said UAM that said processing unit is confirmed to choose obtains specifically comprises:
Said processing unit judges among the UAM that chooses whether store MSK;
When being, the MSK of storage is confirmed as the MSK that provides for said terminal that UAM obtains in judged result; And
For not the time, realize terminal registration television program service server on and subscription television program after through this UAM in definite result, that confirms that UAM obtains offers the MSK at said terminal by the television program service server.
4. the method for claim 1 is characterized in that, said receiving terminal is said terminal, or other designated terminals that send at said terminal identify indicated terminals.
5. method as claimed in claim 4 is characterized in that, the television programme data that obtains behind the descrambling is sent to before the indicated terminal of the said sign of reception, also comprises:
Said device confirm self storage order comprise said other designated terminals sign in the terminal iidentification of TV programme.
6. the processing unit of a television programme data is characterized in that, comprising:
The message sink unit is used for the television programme data request message that carries terminal iidentification that receiving terminal sends;
UAM chooses the unit, is used for from the user authentication module UAM that is arranged on said processing unit, chooses the UAM of the terminal iidentification coupling that receives with the message sink unit;
MSK confirms the unit, is used for confirming that UAM chooses the television program service key MSK that the UAM of unit selection obtains;
The multimedia broadcasting receiving element is used for scrambled television program data and program current cipher key MTK that the received television program source server is broadcasted;
Decryption unit is used to utilize MSK to confirm that the MSK that confirms the unit deciphers controlled word CK to the MTK that the multimedia broadcasting receiving element receives;
The descrambling unit, the CK that is used to utilize decryption unit to obtain carries out descrambling to the scrambled television program data that the multimedia broadcasting receiving element receives;
Transmitting element, the television programme data behind the descrambling that is used for the descrambling unit is obtained sends to the television programme data receiving terminal and plays.
7. processing unit as claimed in claim 6 is characterized in that, UAM chooses the unit and specifically comprises:
First judge module is used for judging in advance the terminal iidentification of storage and the corresponding relation of the UAM sign of distributing to the terminal, whether exist with said message in the corresponding UAM of terminal iidentification that carries identify;
Determination module, the judged result that is used for obtaining at first judge module are chosen the indicated UAM of UAM sign of said correspondence when being;
Choose module, the judged result result who is used for obtaining at first judge module for not the time, the UAM of the terminal iidentification coupling of carrying in UAM conduct of picked at random and the said message among a plurality of UAM that from said processing unit, are provided with.
8. like claim 6 or 7 described processing unit, it is characterized in that MSK confirms that the unit specifically comprises:
Second judge module is used for judging whether the UAM that UAM chooses unit selection stores MSK;
MSK determination module, the judged result that is used for obtaining at second judge module obtain the MSK of storage when being;
Registration and order module; The definite result who is used for obtaining at second judge module is not for the time; Realize the terminal behind registration on the television program service server and subscription television program through the UAM that confirms, that confirms that UAM obtains offers the MSK at said terminal by the television program service server.
9. processing unit as claimed in claim 6 is characterized in that, said receiving terminal is said terminal, or other designated terminals that send at said terminal identify indicated terminals.
10. processing unit as claimed in claim 9 is characterized in that, also comprises:
Confirm the unit; Be used for before said transmitting element sends to television programme data at the indicated terminal of said sign that the sign receiving element receives, confirm said processing unit storage order comprise said other designated terminals signs in the terminal iidentification of TV programme.
11. the treatment system of a television programme data is characterized in that, comprises the processing unit and at least one terminal of a television programme data, wherein:
Said terminal is used for sending the television programme data request message that carries terminal iidentification to said processing unit;
Said processing unit; Be used for from the user authentication module UAM that is arranged on said processing unit; Choose with said message in the UAM of the terminal iidentification coupling of carrying; The television program service key MSK that the said UAM that confirms to choose obtains; Through being arranged on the scrambled television program data and the program current cipher key MTK of the multimedia broadcasting receiver module received television program source server broadcasting in the said device, and utilize MSK that MTK is deciphered controlled word CK, and utilize CK that said scrambled television program data is carried out sending to the television programme data receiving terminal behind the descrambling and play.
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| CN201010520318.4A CN102457774B (en) | 2010-10-20 | 2010-10-20 | Method, device and system for processing television program data |
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| CN201010520318.4A CN102457774B (en) | 2010-10-20 | 2010-10-20 | Method, device and system for processing television program data |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104104996A (en) * | 2013-04-03 | 2014-10-15 | 中国移动通信集团公司 | Program stream decryption method, device and terminal |
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| WO2009075535A2 (en) * | 2007-12-11 | 2009-06-18 | Tu Media Corp. | Prepaid broadcasting receiver and subscriber management system and method thereof in digital multimedia broadcasting service |
| CN101594514A (en) * | 2009-06-26 | 2009-12-02 | 中兴通讯股份有限公司 | Data guard method, terminal and system when mobile TV data card is realized business |
| CN101854362A (en) * | 2010-05-21 | 2010-10-06 | 中兴通讯股份有限公司 | Data card, data card system and method for realizing multimedia service |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104996A (en) * | 2013-04-03 | 2014-10-15 | 中国移动通信集团公司 | Program stream decryption method, device and terminal |
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