CN201388268Y - Intelligent card and mobile digital TV terminal - Google Patents
Intelligent card and mobile digital TV terminal Download PDFInfo
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- CN201388268Y CN201388268Y CN200820233707.7U CN200820233707U CN201388268Y CN 201388268 Y CN201388268 Y CN 201388268Y CN 200820233707 U CN200820233707 U CN 200820233707U CN 201388268 Y CN201388268 Y CN 201388268Y
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Abstract
The utility model provides an intelligent card and a mobile digital TV terminal. The intelligent card comprises a first interface unit and a first safety unit. The first interface unit is used for receiving relative information sent by the mobile digital TV terminal. The relative information comprises conditional access information and scrambling digital programs. The first safety unit is connected with the first interface unit. The first safety unit receives the scrambling digital programs and the conditional access information and processes the received conditional access information for obtaining descrambling control words. The control words are used to descramble the scrambling digital programs. The first interface unit sends the descrambled digital programs to the mobile digital TV terminal. The conditional access information is processed outside the digital TV terminal by the communication of the universal interface of the intelligent card and the mobile digital TV so that the load of the terminal is reduced and the terminal user can watch digital programs through the intelligent card without improving the hardware of the mobile digital TV terminal. In this way, the utility model saves the cost and brings convenience for the terminal user.
Description
Technical field
The utility model is about the digital television techniques field, especially in regard to smart card and mobile digital TV terminal.
Background technology
Mobile digital TV is meant that transmitting terminal adopts the digital broadcasting technology, for example, terrestrial transmission technology and satellite transmits technology are broadcasted digital program, receiving terminal is for being installed in bus, taxi, commercial vehicle, private car, light rail, subway, subway, train, ferry, airport and all kinds of mobile crowd concentrate or the mobile vehicle of other public place, perhaps receiving terminal is hand-held receiving equipment, for example, mobile phone, notebook, media player (PMP:Portable Media Player), global positioning system (GPS:Global Positioning System), personal digital assistant's equipment such as (PDA:Personal DigitalAssistant) is with the digital television system of the rating demand that satisfies mobile crowd.
Operation is a vital part to condition receiving system (CAS:Conditional Access System) for digital television business, this CAS can normally receive by the program of scrambling the user of mandate, charges by the relevant information realization of authorization message and customer database.
In the prior art, traditional digital TV terminal is that security module is put into smart card, and smart card is connected with digital TV set-top box by ISO 7816 interfaces, finishes the descrambling work of scrambled signals.The user of different regions uses different smart cards to watch corresponding digital television program.
The inventor finds that in realizing process of the present utility model the defective of prior art is: the mobile digital TV terminal equipment does not provide ISO 7816 interfaces, and conventional smart card can not directly apply to this mobile digital TV terminal; In addition, if security module is integrated into terminal equipment inside then can increase development difficulty and cost, also may cause the mobile digital TV terminal equipment cross-region to watch program.
The utility model content
The purpose of this utility model is to provide a kind of smart card and mobile digital TV terminal.Communicate by letter with mobile digital TV by this smart card general-purpose interface, in this digital TV terminal outside condition reception information is handled, can alleviate the burden of this terminal, make the terminal use to watch digital program by this smart card, do not need the hardware of this mobile digital TV terminal is improved, cost-saved like this, bring convenience to the terminal use.
For achieving the above object, the utility model provides a kind of smart card, and this smart card comprises:
First interface unit, described first interface unit is connected with the mobile digital TV terminal, is used to receive the relevant information that described mobile digital TV terminal transmits, and described relevant information comprises that condition receives information and scrambled number program; Wherein, described condition reception information comprises Entitlement Management Message and Entitlement Control Message;
First safe unit, described first safe unit is connected with described first interface unit, is used to receive described scrambled number program and described condition and receives information, and the described condition reception information that receives is handled, to obtain descrambled control words; And utilize described control word that described scrambled number program is carried out descrambling;
And described first interface unit also is used for the described digital program behind the descrambling is sent to described mobile digital TV terminal.
For achieving the above object, the utility model provides a kind of mobile digital TV terminal, and this mobile digital TV terminal comprises:
First receiving element, described first receiving element are used for condition reception information and the scrambled number program that condition of acceptance receiving system front end sends; Wherein, described condition reception information comprises Entitlement Management Message and Entitlement Control Message;
Second transmitting element, described second transmitting element is connected with smart card, is used for being sent to described smart card with receiving described condition reception information and scrambled number program;
Second receiving element, described second receiving element is connected with described smart card, is used to receive the described digital program behind the descrambling that described smart card transmits;
First decoding unit, described first decoding unit are used for the described digital program behind the descrambling that receives is decoded;
First display unit, described first display unit is connected with described first decoding unit, is used for decoded described digital decoding is shown.
For achieving the above object, the utility model provides a kind of smart card, and this smart card comprises:
The 3rd receiving element, described the 3rd receiving element are used for condition reception information and the scrambled number program that condition of acceptance receiving system front end transmits; Wherein, described condition reception information comprises Entitlement Management Message and Entitlement Control Message;
Second safe unit, described second safe unit is connected with described the 3rd receiving element, is used to receive described scrambled number program and described condition and receives information, and the described condition reception information that receives is handled, to obtain descrambled control words; And utilize described control word that described scrambled number program is carried out descrambling;
Second interface unit, described second interface unit is connected with the mobile digital TV terminal, is used for the described digital program behind the descrambling is sent to described mobile digital TV terminal.
For achieving the above object, the utility model provides a kind of mobile digital TV terminal, and this mobile digital TV terminal comprises:
The 4th receiving element, described the 4th receiving element is connected with described smart card, is used to receive described digital program and/or Query Information behind the descrambling that described smart card transmits;
Second decoding unit, described second decoding unit are used for the described digital program behind the descrambling that receives is decoded;
Second display unit, described second display unit is connected with described second decoding unit or with described the 4th receiving element, is used for decoded described digital decoding is shown; Perhaps the described Query Information that described the 4th receiving element is received shows.
The beneficial effect of the utility model execution mode is, pass through the utility model, communicate by letter with mobile digital TV by this smart card general-purpose interface, in this digital TV terminal outside condition reception information is handled, can alleviate the burden of this terminal, make the terminal use to watch digital program, not need the hardware of this mobile digital TV terminal is improved by this smart card, cost-saved like this, bring convenience to the terminal use.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the smart card of the utility model embodiment 1;
Fig. 2 is the structural representation of the smart card of the utility model embodiment 2;
Fig. 3 is that first safe unit among Fig. 2 constitutes schematic diagram;
Fig. 4 is that first processing unit among Fig. 3 constitutes schematic diagram;
Fig. 5 is that the mobile digital TV terminal of the utility model embodiment 3 constitutes schematic diagram;
Fig. 6 is the structural representation of the smart card of the utility model embodiment 4;
Fig. 7 is that second safe unit among Fig. 6 constitutes schematic diagram;
Fig. 8 is that the mobile digital TV terminal of the utility model embodiment 5 constitutes schematic diagram;
Fig. 9 is smart card and the mobile digital TV terminal interaction information schematic diagram of the utility model embodiment 6;
Figure 10 is smart card and the mobile digital TV terminal interaction information schematic diagram of the utility model embodiment 7;
Figure 11 is smart card and the mobile digital TV terminal interaction information schematic diagram of the utility model embodiment 8.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer,, the utility model is described in further details below in conjunction with execution mode and accompanying drawing.At this, exemplary embodiment of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
Below in conjunction with accompanying drawing execution mode of the present utility model is elaborated.
Embodiment 1
The utility model provides a kind of smart card, and as shown in Figure 1, this smart card 100 comprises first interface unit 101, first safe unit 102;
Wherein, this first interface unit 101 is connected with the mobile digital TV terminal, is used to receive the relevant information that this mobile digital TV terminal transmits, and this relevant information comprises that condition receives information and scrambled number program; Wherein, this condition reception information comprises Entitlement Management Message and Entitlement Control Message;
This first safe unit 102 is connected with this first interface unit 101, is used to receive this scrambled number program and this condition reception information, and this condition reception information that receives is handled, to obtain descrambled control words; Utilize this control word that this scrambled number program is carried out descrambling, and this digital program behind the descrambling is sent to this first interface unit 101;
And this first interface unit 101 also is used for this digital program behind the descrambling is sent to this mobile digital TV terminal.
In the present embodiment, this first interface unit 101 can be SD interface, Mini SD interface and MicroSD interface; Perhaps this first interface unit 101 can also be USB interface, but is not limited thereto, and also can adopt other any interface as required.
In the present embodiment, this smart card 100 is by this first interface unit 101 and mobile digital TV terminal communication, receive digital program and condition reception information that this mobile digital TV terminal transmits, and the digital program behind the descrambling is sent to this mobile digital TV terminal, like this, the terminal use only needs by this first interface unit 101 this smart card insertion to be had this mobile digital TV terminal of the corresponding interface, and this terminal use can pass through this terminal TV reception.Like this, do not need the hardware of original terminal is changed, save cost.
Embodiment 2
The utility model provides a kind of smart card, and as shown in Figure 2, this smart card 200 comprises first interface unit 101, first safe unit 102, and its effect is similar to Example 1, repeats no more herein.
In the present embodiment, this first safe unit 102 can adopt following formation, and as shown in Figure 3, this first safe unit 102 comprises first processing unit 301 and first transmitting element 302; Wherein, this first processing unit 301 is connected with this first interface unit 101, is used for this condition reception information that receives is handled, to obtain descrambled control words CW; And utilize this control word CW that this scrambled number program is carried out descrambling; This first transmitting element 302 is connected with this first processing unit 301, is used for this digital program behind the descrambling is sent to this first interface unit 101.
Like this, be sent to the mobile digital TV terminal by the digital program of this first interface unit 101 after with this descrambling, this terminal can be presented on this terminal after to this digital program decoding and watch for the terminal use.
In the present embodiment, this first interface unit 101 also receives the query requests that this mobile digital TV terminal transmits, and this query requests can be inquired about relevant information, for example, can inquire about smart card information, authorization message, consumption record, supplement information such as record with money.
Like this, as shown in Figure 3, this first safe unit 102 also comprises first requesting processing 303 and the first Query Information transmitting element 304; Wherein, this first requesting processing 303 is connected with this first interface unit 101, is used for obtaining corresponding Query Information according to this query requests; This Query Information comprises described smart card information and/or authorization message and/or consumption record and/or supplements record with money; The information that this first Query Information transmitting element 304 is used for obtaining is sent to this first interface unit 101.
Like this, after this mobile digital TV terminal receives this Query Information, can show reference, bring great convenience to the terminal use to this information for the terminal use.
In the present embodiment, as shown in Figure 4, this first processing unit 301 can comprise Entitlement Management Message processing unit 401, Entitlement Control Message processing unit 402 and descrambling unit 403; Wherein, this Entitlement Management Message processing unit 401 is used to utilize pre-buried user key that the Entitlement Management Message that receives is handled, to obtain product key; This Entitlement Control Message receiving element 402 is used to utilize this product key that obtains that the Entitlement Control Message that receives is handled, to obtain descrambled control words CW; This descrambling unit 403 is used to utilize the descrambled control words CW of acquisition that this scrambled number program is carried out descrambling.Wherein, this Entitlement Control Message can be the ECM packet; This Entitlement Management Message can be the EMM packet.
Like this, as shown in Figure 2, this smart card also can comprise first memory cell 203, and this first memory cell 203 is connected with this first safe unit 102, is used to store these first processing unit, 301 employed user keys, product key; Perhaps be used to store this Query Information, so that this Query Information that will store during end user query offers the terminal use.In addition, this first memory cell 203 also can store the information of this mobile digital TV terminal transmission that is connected with this smart card, for this terminal provides extra memory space.This first memory cell 203 can adopt flash memory etc.
By the foregoing description as can be known, this smart card 100 is by this first interface unit 101 and mobile digital TV terminal communication, receive digital program and condition reception information that this mobile digital TV terminal transmits, and the digital program behind the descrambling is sent to this mobile digital TV terminal, like this, the terminal use only needs by this first interface unit 101 this smart card insertion to be had this mobile digital TV terminal of the corresponding interface, and this terminal use can pass through this terminal TV reception.In addition, this smart card also can receive the query requests that this mobile digital TV terminal sends, and obtains corresponding Query Information according to this query requests, and Query Information is transmitted this mobile digital TV terminal by this first interface unit 101, with for reference.
Embodiment 3
The utility model provides a kind of mobile digital TV terminal, and this mobile digital TV terminal can be used with the smart card of embodiment 1,2.
As shown in Figure 5, this mobile digital TV terminal 500 can comprise first receiving element 501, second transmitting element 502; Wherein, this first receiving element 501 is used for condition reception information and the scrambled number program that condition of acceptance receiving system front end sends; Wherein, this condition reception information comprises Entitlement Management Message and Entitlement Control Message; This second transmitting element 502 is connected with smart card, is used for being sent to this smart card with receiving this condition reception information and scrambled number program.
In addition, this mobile digital TV terminal also comprises second receiving element 503, first decoding unit 504 and first display unit 505; Wherein, this second receiving element 503 is connected with smart card, is used to receive the digital program behind the descrambling that this smart card transmits; This first decoding unit 504 is used for the digital program behind first descrambling that receives is decoded; This first display unit 505 is connected with this first decoding unit 504, is used for decoded this digital decoding is shown.
In the present embodiment, this second transmitting element 502 and second receiving element 503 can be the interface adaptive with the interface unit of smart card, communicate with this smart card by this second transmitting element 502 and second receiving element 503.For example, when this intelligent card interface was USB interface, this second transmitting element 502 and second receiving element 503 can be and USB interface, and this second transmitting element 502 and second receiving element 503 can adopt an interface to realize.
In addition, as shown in Figure 5, this mobile digital TV terminal also comprises first query unit 506, and this first query unit 506 is used to receive the query requests of this mobile digital TV terminal use input, and this query requests is sent to this second transmitting element 502; This second transmitting element 502 also is used for this query requests is sent to this smart card.
As shown in Figure 5, this mobile digital TV terminal also comprises the first Query Information receiving element 507 and the first Query Information display unit 508; Wherein, this first Query Information receiving element 507 is used to receive the Query Information that this smart card returns; This first Query Information display unit 508 is connected with this first Query Information receiving element 507, is used to show this Query Information.Like this, this terminal also can comprise request input unit (not shown), imports this by this request input unit and investigates thoroughly request.
In the present embodiment, this first query unit 506 can be WEB or WAP browser, can browse relevant Query Information by this browser.
In the present embodiment, this second transmitting element 502, the first Query Information receiving element 507 can adopt an interface to realize with second receiving element 503.
In the present embodiment, this mobile digital TV terminal can be any mobile device, and for example, mobile phone, PDA, notebook computer etc. have and the adaptive interface of smart card first interface unit 101.
By the foregoing description as can be known, by being sent to smart card from the condition reception information that conditional access system front-end receives, and receive the digital program behind the descrambling that this smart card returns, the process that makes these treatment conditions receive information is carried out outside this terminal, alleviated the processing burden of this terminal, and do not need this terminal hardware is transformed, cost-saved, for this terminal use's use brings convenience.
Embodiment 4
The utility model also provides a kind of smart card, and as Fig. 6, described smart card 600 comprises the 3rd receiving element 601, second safe unit 602 and second interface unit 603; Wherein,
The 3rd receiving element 601 is used for condition reception information and the scrambled number program that condition of acceptance receiving system front end transmits; Wherein, this condition reception information comprises Entitlement Management Message and Entitlement Control Message;
This second safe unit 602 is connected with the 3rd receiving element 601, be used to receive this scrambled number program and this condition reception information, and this condition reception information that receives handled, obtaining descrambled control words, and utilize this control word that this scrambled number program is carried out descrambling;
This second interface unit 603 is connected with the mobile digital TV terminal, is used for this digital program behind the descrambling is sent to this mobile digital TV terminal.
In the present embodiment, but the condition that this smart card condition of acceptance receiving system front end sends receives information and digital program, this relevant information is handled, digital program behind the descrambling is sent to this mobile digital TV terminal, alleviated the processing burden of this terminal like this, do not need the hardware of this terminal is changed, cost-saved.
In the present embodiment, this second safe unit 602 constitutes as shown in Figure 7, and this second safe unit comprises second processing unit 701 and the 3rd transmitting element 702; Wherein, this second processing unit 701 is connected with the 3rd receiving element 601, is used for this condition reception information that receives is handled, to obtain descrambled control words; And utilize described control word that this scrambled number program is carried out descrambling; The 3rd transmitting element 702 is connected with this second processing unit 701, is used for this digital program behind the descrambling is sent to this second interface unit 603.
In addition, as shown in Figure 6, this smart card 600 also comprises the second request receiving element 605, and this second request receiving element 605 is used to receive the query requests that this mobile digital TV terminal transmits, and this query requests is sent to second safe unit 602 handles.
In the present embodiment, this second request receiving element 605 can integrate with second interface unit 603, uses this second interface unit 603 to receive or send relevant information jointly.
In the present embodiment, as shown in Figure 7, this second safe unit 602 also comprises second requesting processing 703 and the second Query Information transmitting element 704; Wherein, this second requesting processing 703 is used for obtaining corresponding Query Information according to the query requests that receives; This Query Information comprises described smart card information and/or authorization message and/or consumption record and/or supplements record with money; The information that this second Query Information transmitting element 704 can be used for obtaining is sent to this second interface unit 603, by this second interface unit 603 this Query Information is sent to this mobile digital TV terminal.
In the present embodiment, this second processing unit can adopt processing unit as shown in Figure 4, is not giving unnecessary details herein.
In the present embodiment, as shown in Figure 6, this smart card 600 also can comprise second memory cell 604, second memory cell 604 is connected with this second safe unit 602, be used to store this user key, product key or be used to store this Query Information, so that this Query Information that will store during end user query offers the terminal use.In addition, this second memory cell 604 also can store the information of this mobile digital TV terminal transmission that is connected with this smart card, for this terminal provides extra memory space.This second memory cell 604 can adopt flash memory etc.
By the foregoing description as can be known, but the condition that this smart card condition of acceptance receiving system front end sends receives information and digital program, this relevant information is handled, digital program behind the descrambling is sent to this mobile digital TV terminal, alleviated the processing burden of this terminal like this, do not need the hardware of this terminal is changed, cost-saved.And can receive the query requests that this terminal transmits, obtain relevant Query Information according to this query requests, and it is for reference that this Query Information is back to this terminal.
Embodiment 5
A kind of mobile digital TV terminal of the utility model, this terminal can be used with embodiment 4 described smart cards.
As shown in Figure 8, this mobile digital TV terminal 800 comprises the 4th receiving element 801, second decoding unit 802, second display unit 803; Wherein, the 4th receiving element 801 is connected with smart card, is used to receive this digital program and/or Query Information behind the descrambling that this smart card transmits; This second decoding unit 802 is used for this digital program behind the descrambling that receives is decoded; This second display unit 803 is connected with this second decoding unit or with the 3rd receiving element 601, is used for decoded this digital program is shown; Perhaps this Query Information that the 4th receiving element 801 is received shows.
Wherein, the 4th receiving element 801 can for the suitable interface of smart card.
By the foregoing description as can be known, by the digital program behind smart card reception descrambling, the process that makes these treatment conditions receive information is carried out outside this terminal, alleviated the processing burden of this terminal, and do not need this terminal hardware is transformed, cost-saved, for this terminal use's use brings convenience.
Embodiment 6
As shown in Figure 9, adopt the mobile digital TV terminal of the smart card insertion embodiment 3 of embodiment 1 or embodiment 2.
Wherein, this smart card can interface can adopt the SD interface, the corresponding mobile digital TV terminal can adopt and this SD interface is adaptive SD adapter receives or sends the information between this smart card and this mobile digital TV terminal.
In addition, in this smart card, come the work of safe unit, memory cell and SD interface is controlled by controller.
Embodiment 7
As shown in figure 10, similar to Example 6, this smart card can interface can adopt USB interface, the corresponding mobile digital TV terminal can adopt and this USB interface is adaptive USB adapter receives or sends the information between this smart card and this mobile digital TV terminal.
In addition, in this smart card, come the work of safe unit, memory cell and USB interface is controlled by controller.
Embodiment 8
As shown in figure 11, the smart card of embodiment 4 and the mobile digital TV terminal of embodiment 5 are used.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is an embodiment of the present utility model; and be not used in and limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (14)
1. a smart card is characterized in that, described smart card comprises:
First interface unit, described first interface unit is connected with the mobile digital TV terminal, is used to receive the relevant information that the condition that has Entitlement Management Message and Entitlement Control Message comprising of described mobile digital TV terminal transmission receives information and scrambled number program;
First safe unit, described first safe unit is connected with described first interface unit, is used to receive described scrambled number program and described condition and receives information, and the described condition reception information that receives is handled, to obtain descrambled control words; And utilize described control word that described scrambled number program is carried out descrambling;
And described first interface unit also is used for the described digital program behind the descrambling is sent to described mobile digital TV terminal.
2. according to the described smart card of claim 1, it is characterized in that described first safe unit comprises:
First processing unit, described first processing unit is connected with described first interface unit, is used for the described condition reception information that receives is handled, to obtain descrambled control words; And utilize described control word that described scrambled number program is carried out descrambling;
First transmitting element, described first transmitting element is connected with described first processing unit, is used for the described digital program behind the descrambling is sent to described first interface unit.
3. smart card according to claim 1 is characterized in that, described first interface unit also is used to receive the relevant information that comprises query requests that described mobile digital TV terminal sends;
Described first safe unit also comprises:
First requesting processing, described first requesting processing is connected with described first interface unit, is used for obtaining the Query Information that comprises described smart card information and/or authorization message and/or consumption record accordingly and/or supplement record with money according to described query requests;
The first Query Information transmitting element, the information that the described first Query Information transmitting element is used for obtaining is sent to described first interface unit.
4. smart card according to claim 2 is characterized in that, described first processing unit comprises:
The Entitlement Management Message processing unit is used to utilize pre-buried user key that the Entitlement Management Message that receives is handled, to obtain product key;
The Entitlement Control Message processing unit is used to utilize the described product key that obtains that the Entitlement Control Message that receives is handled, to obtain descrambled control words;
The descrambling unit is used to utilize the described descrambled control words of acquisition that described scrambled number program is carried out descrambling.
5. according to claim 3 or 4 described smart cards, it is characterized in that described smart card also comprises:
First memory cell, described first memory cell is connected with described first safe unit, is used to store described user key and product key; Perhaps store described Query Information.
6. a mobile digital TV terminal is characterized in that, described mobile digital TV terminal comprises:
First receiving element, described first receiving element are used for the condition reception information and the scrambled number program that comprise Entitlement Management Message and Entitlement Control Message that condition of acceptance receiving system front end sends;
Second transmitting element, described second transmitting element is connected with smart card, is used for being sent to described smart card with receiving described condition reception information and scrambled number program;
Second receiving element, described second receiving element is connected with described smart card, is used to receive the described digital program behind the descrambling that described smart card transmits;
First decoding unit, described first decoding unit are used for the described digital program behind the descrambling that receives is decoded;
First display unit, described first display unit is connected with described first decoding unit, is used for decoded described digital decoding is shown.
7. mobile digital TV terminal according to claim 6 is characterized in that, described mobile digital TV terminal also comprises:
First query unit, described first query unit are used to receive the query requests of described mobile digital TV terminal use input, and described query requests is sent to described second transmitting element;
Described second transmitting element also is used for described query requests is sent to described smart card.
8. mobile digital TV terminal according to claim 7 is characterized in that, described mobile digital TV terminal also comprises:
The first Query Information receiving element, the described first Query Information receiving element is used to receive the Query Information that described smart card returns;
The first Query Information display unit, the described first Query Information display unit is connected with the described first Query Information receiving element, is used to show described Query Information.
9. a smart card is characterized in that, described smart card comprises:
The 3rd receiving element, described the 3rd receiving element are used for the condition reception information and the scrambled number program that comprise Entitlement Management Message and Entitlement Control Message that condition of acceptance receiving system front end transmits;
Second safe unit, described second safe unit is connected with described the 3rd receiving element, is used to receive described scrambled number program and described condition and receives information, and the described condition reception information that receives is handled, to obtain descrambled control words; And utilize described control word that described scrambled number program is carried out descrambling;
Second interface unit, described second interface unit is connected with the mobile digital TV terminal, is used for the described digital program behind the descrambling is sent to described mobile digital TV terminal.
10. smart card according to claim 9 is characterized in that, described second safe unit comprises:
Second processing unit, described second processing unit is connected with described the 3rd receiving element, is used for the described condition reception information that receives is handled, to obtain descrambled control words; And utilize described control word that described scrambled number program is carried out descrambling;
The 3rd transmitting element, described the 3rd transmitting element is connected with described second processing unit, is used for the described digital program behind the descrambling is sent to described second interface unit.
11. smart card according to claim 10 is characterized in that, described smart card also comprises:
The second request receiving element, the described second request receiving element is used to receive the query requests that described mobile digital TV terminal transmits;
Described second safe unit also comprises:
Second requesting processing, described second requesting processing is connected with the described second request receiving element, is used for obtaining the Query Information that comprises described smart card information and/or authorization message and/or consumption record accordingly and/or supplement record with money according to described query requests;
The second Query Information transmitting element, the information that the described second Query Information transmitting element is used for obtaining is sent to described second interface unit.
12. smart card according to claim 10 is characterized in that, described second processing unit comprises:
The Entitlement Management Message processing unit is connected with described the 3rd receiving element, is used to utilize pre-buried user key that the Entitlement Management Message that receives is handled, to obtain product key;
The Entitlement Control Message processing unit is connected with described the 3rd receiving element, is used to utilize the described product key that obtains that the Entitlement Control Message that receives is handled, to obtain descrambled control words;
The descrambling unit is connected with described the 3rd receiving element, is used to utilize the described descrambled control words of acquisition that described scrambled number program is carried out descrambling.
13., it is characterized in that described smart card also comprises according to claim 10 or 11 described smart cards:
Second memory cell, described second memory cell is connected with described second safe unit, is used to store described user key, product key or described Query Information.
14. a mobile digital TV terminal is characterized in that, described mobile digital TV terminal comprises:
The 4th receiving element, described the 4th receiving element is connected with described smart card, is used to receive described digital program and/or Query Information behind the descrambling that described smart card transmits;
Second decoding unit, described second decoding unit are used for the described digital program behind the descrambling that receives is decoded;
Second display unit, described second display unit is connected with described second decoding unit or with described the 4th receiving element, is used for decoded described digital decoding is shown; Perhaps the described Query Information that described the 4th receiving element is received shows.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200820233707.7U CN201388268Y (en) | 2008-12-18 | 2008-12-18 | Intelligent card and mobile digital TV terminal |
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| CN200820233707.7U CN201388268Y (en) | 2008-12-18 | 2008-12-18 | Intelligent card and mobile digital TV terminal |
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| CN201388268Y true CN201388268Y (en) | 2010-01-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135425A (en) * | 2017-05-17 | 2017-09-05 | 深圳国微技术有限公司 | A kind of media data processing method, apparatus and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135425A (en) * | 2017-05-17 | 2017-09-05 | 深圳国微技术有限公司 | A kind of media data processing method, apparatus and system |
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