CN201467344U - Programme recording device and audience rating control device - Google Patents
Programme recording device and audience rating control device Download PDFInfo
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- CN201467344U CN201467344U CN200920107164.9U CN200920107164U CN201467344U CN 201467344 U CN201467344 U CN 201467344U CN 200920107164 U CN200920107164 U CN 200920107164U CN 201467344 U CN201467344 U CN 201467344U
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- 238000012545 processing Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 4
- 239000000047 product Substances 0.000 description 39
- 238000010586 diagram Methods 0.000 description 7
- 239000006227 byproduct Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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Abstract
The utility model provides a programme recording device and an audience rating control device. The programme recording device comprises an input unit used for inputting a safe device mark to a user terminal, a document selection unit used for selecting a programme document, a programme recording unit connected with the document selection unit and used for recording the programme document, and a document processing unit used for processing the recorded programme document to generate a scrambling document corresponding to the safe device mark, wherein the scrambling document comprises a scrambled programme document, authorized control information, and authorized administrative information, the authorized control information comprises an encrypted descrambling control word and a product mark corresponding to the programme document, and the authorized management information comprises an encrypted product secret key and the safe device mark. When in use, the programme is recorded at the front end for a named user, and the recorded programme is stored in storage equipment to be used by the user, thereby providing convenience and saving bandwidth when subscribing the programme for the user.
Description
Technical field
The utility model relates to digital television techniques, particularly a kind of performance recording device and acceptance control device.
Background technology
As everyone knows, condition receiving system CAS is meant and is used for controlling the system that the user receives broadcast service, realizes the paid service of broadcast system usually by empowerment management.
Conditional access system front-end is packaged into product to some channels, if packing back user orders this product, then need condition receiving system to authorize, this authorization message generally is issued to set-top box by Entitlement Management Message (EMM:Entitlement Management Message).
At present, under the situation of unilateral network, for example, if there are 1,000,000 users in current system, system need issue the EMM packet respectively to 1,000,000 cards (user) of these 1,000,000 user's correspondences so.Like this, increase along with number of users and number of programs, the data volume of the EMM packet of broadcasting will constantly increase, and because when issuing the EMM packet, the user is start not, thereby condition receiving system can't be confirmed the user and whether receive this EMM packet, can only ceaselessly circulate within a certain period of time and issue these packets, and occupied bandwidth is excessive like this.
In addition, if the user selects to buy the charge program, the user needs oral or Advise By Wire operator or to the business hall of operator, by the front end order business and pay, and ordered program is authorized just and can be watched by front end, like this, take excessive bandwidth but also increased intermediate link.
The utility model content
The purpose of this utility model is to provide a kind of performance recording device and acceptance control device.By being the designated user program recording, and this recorded program is stored in the memory device uses, like this, convenience is provided and has saved bandwidth for the user orders program for this user at front end; And have only this user can watch this program in terminal, thereby effectively protected the vital interests of Virtual network operator.
For achieving the above object, the utility model embodiment provides a kind of performance recording device, and this device comprises:
Input unit, this input unit are used to import the safety device sign of user terminal;
Document selector, this document selected cell is used to select program file;
The performance recording unit, this performance recording unit is connected with this document selected cell, is used for this program file is recorded;
The file process unit, this document processing unit is connected with this performance recording unit with this input unit, be used for this program file of recording is handled, identify corresponding scrambling file to generate with this safety device, this scrambling file comprises program file, Entitlement Control Message and the Entitlement Management Message of scrambling; Wherein, this Entitlement Control Message comprises the product mark of encrypted descrambling control word and this program file correspondence, and this Entitlement Management Message comprises product key and this safety device sign of encryption.
For achieving the above object, the utility model embodiment provides a kind of acceptance control device, and this device comprises:
Document reading unit, this document reading unit is connected with the memory device that stores the scrambling file, is used for reading the scrambling file that prestores from this memory device, to obtain program file, Entitlement Control Message and the Entitlement Management Message of scrambling; Wherein, this Entitlement Control Message comprises the product mark of encrypted descrambling control word and this program file correspondence, and this Entitlement Management Message comprises product key and this safety device sign of encryption;
The Entitlement Management Message processing unit, this Entitlement Management Message processing unit is connected with this document reading unit, is used for utilizing the user key that prestores that this Entitlement Management Message is decrypted, if successful decryption then obtains this product key;
The Entitlement Control Message processing unit, this Entitlement Control Message processing unit is connected with this Entitlement Management Message processing unit, is used to utilize this product key of acquisition that this Entitlement Control Message is handled, to obtain descrambled control words.
The beneficial effect of the utility model execution mode is, by being the designated user program recording at front end, and this recorded program is stored in the memory device uses for this user, like this, convenience is provided and saved bandwidth for the user orders program; And have only this user can watch this program in terminal, thereby effectively protected the vital interests of Virtual network operator.
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 performance recording apparatus structure schematic diagram of the utility model embodiment 1;
Fig. 2 is that file processing unit 104 constitutes schematic diagram among Fig. 1;
Fig. 3 is the performance recording device workflow diagram of the utility model embodiment 1;
Fig. 4 is the acceptance control device structural representation of the utility model embodiment 2;
Fig. 5 is the acceptance control device workflow diagram of the utility model embodiment 2;
Fig. 6 is the interface schematic diagram of the utility model embodiment 1 input safety device sign;
Fig. 7 is the interface schematic diagram that generates file destination among the utility model embodiment 1.
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.
Embodiment 1
The utility model embodiment provides a kind of performance recording device, and as shown in Figure 1, this device comprises input unit 101, document selector 102, performance recording unit 103 and file process unit 104; Wherein,
This input unit 101 is used to import the safety device sign of user terminal; This document selected cell 102 is used to select program file; This performance recording unit 103 is connected with document selector 102, is used for this program file is recorded; This document processing unit 104 is connected with performance recording unit 103 with input unit 101, be used for this program file of recording is handled, identify corresponding scrambling file to generate with this safety device, this scrambling file comprises program file, Entitlement Control Message and the Entitlement Management Message by the control word scrambling; Wherein, this Entitlement Control Message comprises the product mark by product key encrypted descrambling control word and this program file correspondence, and this Entitlement Management Message comprises product key and this safety device sign of being encrypted by user key.The detailed process and the prior art of program file, Entitlement Control Message and Entitlement Management Message that wherein generates scrambling is similar, repeats no more herein.
From the above, this device can use at the conditional access system front-end of Digital Television, request according to the user is recorded the program file of selecting, and generate corresponding scrambling file and be stored in the memory device for the user and watch, like this, convenience is provided and has saved bandwidth for the user orders program; And have only this user can watch this program in terminal, thereby effectively protected the vital interests of Virtual network operator.
As shown in Figure 2, this document processing unit 104 can comprise scrambling unit 201, Entitlement Management Message generation unit 202 and Entitlement Control Message generation unit 203; Wherein, this scrambling unit 201 is used to utilize the descrambled control words CW of generation that this program file is carried out scrambling; This Entitlement Control Message generation unit 203 is used to utilize this product key that this descrambled control words is encrypted, to generate Entitlement Control Message; This Entitlement Management Message generation unit 202 is used to utilize the user key of this safety device correspondence that product key is encrypted, to generate Entitlement Management Message.
In the present embodiment, the Entitlement Management Message generation unit can utilize user key that the product key of the product mark correspondence of the ordered product of user is encrypted.
In addition, this device also comprises memory cell 105, and this memory cell 105 is connected with this document processing unit 104, is used to store this scrambling file.
In the present embodiment, this input unit 101 can be keyboard, touch-screen or mouse.This memory cell 105 can be used storage devices such as portable hard drive, make this safety device user can watch the program in this memory device, the mode that obtains program like this is flexible, convenient, brings great convenience to the user, and do not need to authorize, saved the network bandwidth with network.
In the present embodiment, this device can use separately, also can use according to actual conditions with the integrated use of equipment of the conditional access system front-end of Digital Television.
The course of work below in conjunction with 3 pairs of these devices of accompanying drawing is described in detail.As shown in Figure 3, can comprise the steps:
In the present embodiment, can utilize the input unit of performance recording device,, but be not limited thereto, also can adopt other modes to import, as shown in Figure 6, be performance recording device interface schematic diagram as the safety device sign of keyboard input user terminal.This safety device sign can be the card number of user smart card, is 8000302300335097 as the input card number, and selects the program file of prerecording by the interface.
In the present embodiment, after having selected to specify the program file of safety device correspondence, can adopt existing any mode of recording that this program file is recorded, repeat no more herein.
In the present embodiment, the form of this program file can be transport stream (TS) file format, but is not limited thereto, and also can adopt extended formatting according to actual needs.
Wherein, this scrambling file comprises program file, Entitlement Control Message and the Entitlement Management Message by the control word scrambling; Wherein, this Entitlement Control Message comprises the product mark by product key encrypted descrambling control word (CW) and this program file correspondence, and this Entitlement Management Message comprises this safety device sign and the product key of encrypting.Wherein, this safety device sign can be smart card numbers.
In the present embodiment, in step 303, this program file is handled can be in the following way: utilize descrambled control words (CW) that this program file is carried out scrambling; Utilize this product key that this descrambled control words is encrypted, to generate Entitlement Control Message; Utilize the user key of this safety device correspondence that product key is encrypted, to generate Entitlement Management Message, said process and prior art are similar, repeat no more herein.
In the present embodiment, this Entitlement Control Message can be the ECM packet.The form of this ECM packet is as shown in table 1.This ECM packet also can comprise information such as operator's numbering except comprising product mark.
Table 1
| Grammer | Note |
| ECM_Data(){ | |
| ProductID | The product IDs of program correspondence |
| OperatorID | Operator's numbering |
| …… | |
| CW | Control word |
| …… | |
| } |
In the present embodiment, this Entitlement Management Message can be the EMM packet, and the form of this EMM packet is as shown in table 2.
Table 2
| Grammer | Note |
| EMM_Data(){ | |
| OperatorID | Operator's numbering |
| …… | |
| For(I＝0；I＜N；I++){ | |
| ProductID | Product IDs |
| …… | |
| StartTime | The product time started |
| EndTime | The product concluding time |
| Key | The product key of encrypting |
From the above, this device can use at the conditional access system front-end of Digital Television, request according to the user is recorded the program file of selecting, like this, this scrambling file that the user can utilize this portable hard drive to generate stores, and watch corresponding program after utilizing its terminal equipment that this scrambling file is handled, therefore, this device provides convenience and has saved bandwidth for the user orders program; And have only this user can watch this program in terminal, thereby effectively protected the vital interests of Virtual network operator.
The utility model embodiment provides a kind of acceptance control device, and as shown in Figure 4, this device comprises document reading unit 401, Entitlement Management Message processing unit 402 and Entitlement Control Message processing unit 403; Wherein, this document reading unit 401 is connected with the memory device that stores the scrambling file, is used for reading the scrambling file that prestores from memory device, to obtain program file, Entitlement Control Message and the Entitlement Management Message of scrambling; Wherein, this Entitlement Control Message comprises the product mark of encrypted descrambling control word and this program correspondence, and this Entitlement Management Message comprises product key and this safety device sign of encryption;
Entitlement Management Message processing unit 402 is connected with document reading unit 401, be used to utilize the corresponding user key of this safety device sign that prestores that this Entitlement Management Message is decrypted, if successfully deciphering then can obtain the product key corresponding with product mark ordered product in this Entitlement Management Message;
This Entitlement Control Message processing unit 403 is connected with the Entitlement Management Message processing unit with document reading unit, is used to utilize the product key of this product mark correspondence that this Entitlement Control Message is handled, to obtain descrambled control words.
If this Entitlement Management Message processing unit 402 and Entitlement Control Message processing unit 403 all can not be to this Entitlement Management Message and Entitlement Control Message deciphering, can not obtain descrambled control words, then this device can not carry out descrambling to the program file of this scrambling, thereby can't watch this program.
As shown in Figure 4, this device also comprises descrambling unit 404 and broadcast unit 405; Wherein, this descrambling unit 404 is connected with document reading unit 401 with this Entitlement Control Message processing unit 403, is used to utilize this descrambled control words that the program file of the scrambling that obtains from document reading unit 401 is carried out descrambling; This broadcast unit 405 is connected with this descrambling unit 404, is used to play this program file behind the descrambling.
In addition, this device also can comprise memory cell 406, and this memory cell 406 is used to store this user key and product key, uses for Entitlement Management Message processing unit 402 and Entitlement Control Message processing unit 403.
In the present embodiment, this device can use separately, also can use according to actual conditions with the integrated use of conditional receiving system terminal equipment of Digital Television.
The course of work of this device comprises step as shown in Figure 5:
Step 501, document reading unit 401 read the scrambling file that prestores from memory device, to obtain program file, Entitlement Control Message and the Entitlement Management Message of scrambling; Wherein, this Entitlement Control Message comprises the product mark by product key encrypted descrambling control word and this program file correspondence, and this Entitlement Management Message comprises the product key and the safety device sign of encryption.
In the present embodiment, after front end was recorded and handled the program file of specifying safety device, this user can use the program file after memory device is watched processing.In the present embodiment, the memory device that this can be stored program file is connected with user terminal, and like this, this terminal equipment can read the program file that stores in this memory device.
In the present embodiment, this Entitlement Management Message can be the EMM packet, and this Entitlement Control Message can be the ECM packet.The form of this ECM packet is as shown in table 1.
Step 502, Entitlement Management Message processing unit 402 utilizes the user key that prestores that this EMM packet is decrypted, if successful decryption can obtain the product key of product mark correspondence.
Step 503, Entitlement Control Message processing unit 403 utilize the product key of the product mark correspondence in this Entitlement Control Message that this ECM packet is decrypted, to obtain descrambled control words CW.
Step 504 utilizes this descrambled control words that the program file of scrambling is carried out descrambling;
Step 505, this program file behind the broadcast descrambling.
By the foregoing description as can be known, when the scrambling file that generates in advance when the user terminal utilization is watched program, safety device at first utilizes prestored secret key that associated documents are decrypted, just program file is carried out descrambling then, make the user watch this program, like this, convenience is provided and has saved bandwidth for the user orders program; And have only this user can watch this program in terminal, thereby effectively protected the vital interests of Virtual network operator.
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 (6)
1. a performance recording device is characterized in that, described device comprises:
Input unit, described input unit are used to import the safety device sign of user terminal;
Document selector, described document selector is used to select program file;
The performance recording unit, described performance recording unit is connected with described document selector, is used for described program file is recorded;
The file process unit, described file process unit is connected with described performance recording unit with described input unit, be used for the described program file of recording is handled, with generate with described safety device sign comprise accordingly scrambling program file, have the Entitlement Control Message of the corresponding product mark of encrypted descrambling control word and described program file and have the product key of encryption and the scrambling file of the Entitlement Management Message that described safety device identifies.
2. device according to claim 1 is characterized in that, described file process unit comprises:
Scrambling unit, described scrambling unit are used to utilize descrambled control words that described program file is carried out scrambling;
The Entitlement Control Message generation unit, described Entitlement Control Message generation unit is used to utilize described product key that described descrambled control words is encrypted, to generate Entitlement Control Message;
Entitlement Management Message generation unit, described Entitlement Management Message generation unit are used to utilize the user key of described safety device correspondence that product key is encrypted, to generate Entitlement Management Message.
3. device according to claim 1 is characterized in that described device also comprises memory cell, and described memory cell is connected with described file process unit, is used to store described scrambling file.
4. an acceptance control device is characterized in that, described device comprises:
Document reading unit, described document reading unit is connected with the memory device that stores the scrambling file, be used for reading the scrambling file that prestores from described memory device, with the program file that obtains scrambling, comprise encrypted descrambling control word and described program file correspondence product mark Entitlement Control Message and comprise the product key of encryption and the Entitlement Management Message of described safety device sign;
The Entitlement Management Message processing unit, described Entitlement Management Message processing unit is connected with described document reading unit, is used for utilizing the user key that prestores that described Entitlement Management Message is decrypted, if successful decryption then obtains described product key;
The Entitlement Control Message processing unit, described Entitlement Control Message processing unit is connected with described Entitlement Management Message processing unit, is used to utilize the described product key of acquisition that described Entitlement Control Message is handled, to obtain descrambled control words.
5. device according to claim 4 is characterized in that, described device also comprises:
The descrambling unit, described descrambling unit is connected with document reading unit with described Entitlement Control Message processing unit, is used to utilize the program file of the scrambling that described descrambled control words reads described document reading unit to carry out descrambling;
Broadcast unit, described broadcast unit is connected with described descrambling unit, is used to play the described program file behind the descrambling.
6. device according to claim 4 is characterized in that described device also comprises memory cell, and described memory cell is connected with the Entitlement Management Message processing unit with described Entitlement Control Message processing unit, is used to store described user key and product key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107164.9U CN201467344U (en) | 2009-04-13 | 2009-04-13 | Programme recording device and audience rating control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107164.9U CN201467344U (en) | 2009-04-13 | 2009-04-13 | Programme recording device and audience rating control device |
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| Publication Number | Publication Date |
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| CN201467344U true CN201467344U (en) | 2010-05-12 |
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ID=42394690
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107164.9U Expired - Lifetime CN201467344U (en) | 2009-04-13 | 2009-04-13 | Programme recording device and audience rating control device |
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| CN (1) | CN201467344U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377413A (en) * | 2018-04-18 | 2018-08-07 | 深圳佳力拓科技有限公司 | It is a kind of to support while the set-top-box system and method for three road performance recordings |
| CN109286849A (en) * | 2018-10-10 | 2019-01-29 | 四川长虹电器股份有限公司 | The system and method that the recording and playback of a kind of pair of scrambled program is controlled |
| CN114449349A (en) * | 2020-10-30 | 2022-05-06 | 深圳Tcl新技术有限公司 | Program recording method, device, equipment and computer readable storage medium |
-
2009
- 2009-04-13 CN CN200920107164.9U patent/CN201467344U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377413A (en) * | 2018-04-18 | 2018-08-07 | 深圳佳力拓科技有限公司 | It is a kind of to support while the set-top-box system and method for three road performance recordings |
| CN109286849A (en) * | 2018-10-10 | 2019-01-29 | 四川长虹电器股份有限公司 | The system and method that the recording and playback of a kind of pair of scrambled program is controlled |
| CN114449349A (en) * | 2020-10-30 | 2022-05-06 | 深圳Tcl新技术有限公司 | Program recording method, device, equipment and computer readable storage medium |
| CN114449349B (en) * | 2020-10-30 | 2023-07-25 | 深圳Tcl新技术有限公司 | Program recording method, device, equipment and computer readable storage medium |
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Granted publication date: 20100512 |