CN112449215B - Method and system for supporting card-holding and card-free condition receiving based on digital television - Google Patents
Method and system for supporting card-holding and card-free condition receiving based on digital television Download PDFInfo
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- CN112449215B CN112449215B CN201910797344.2A CN201910797344A CN112449215B CN 112449215 B CN112449215 B CN 112449215B CN 201910797344 A CN201910797344 A CN 201910797344A CN 112449215 B CN112449215 B CN 112449215B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25875—Management of end-user data involving end-user authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4182—External card to be used in combination with the client device, e.g. for conditional access for identification purposes, e.g. storing user identification data, preferences, personal settings or data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/441—Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
Abstract
The invention discloses a system for supporting card holding and card-free condition receiving based on a digital television, which comprises: the intelligent card module is communicated with a set-top box and provides control words required by the set-top box for descrambling and scrambling programs; the set-top box is used for receiving the control words, extracting the information of the control words, sending the control words to the descrambler and descrambling scrambled programs; the black box programming module is used for programming the data received under the non-card condition to the main chip of the set top box; and the smart card programming module is used for programming the smart card operating program and the smart card user data into the smart card module. The set-top box is also used for loading a card condition receiving module program when detecting that the intelligent card is inserted, and loading the card condition receiving module program when detecting that the card is not inserted and legal card-free condition receiving data is recorded. The system enables operators to normally use the cardless software directly accessing the same conditional access system without modifying and configuring the front end.
Description
Technical Field
The invention relates to the field of digital televisions, in particular to a method and a system for supporting card-holding and card-free conditional access based on digital televisions.
Background
With the rapid development of digital television technology and the increasing maturity of conditional access system technology, the number of users of digital television operators is increasing. In the use process, the damage rate of the smart card is increased greatly along with the aging of the smart card. The operator needs to purchase new smart cards on an irregular basis to replace the smart cards for the users. The need to break away from reliance on smart cards has increased, and thus the need to support cardless conditional access systems has arisen.
At present, different corresponding user management systems and front-end configurations are deployed in a card-present condition receiving system and a card-absent condition receiving system respectively. Although the set-top box can simultaneously support card holding and card absence, a unified descrambling flow is not adopted, namely card absence condition receiving is not a descrambling module embedded in a chip.
Disclosure of Invention
The invention mainly aims to provide a system and a method for supporting card-holding and card-free condition receiving based on a digital television, and aims to solve the problem that the traditional card-holding and card-free condition receiving system is inconvenient to deploy the front-end configuration of an operator.
In order to achieve the above object, the present invention provides a system for supporting card-holding and card-free conditional access based on digital television, the system comprising:
the intelligent card module is communicated with a set-top box and provides control words required by the set-top box for descrambling scrambled programs;
the set-top box is used for receiving the control words, extracting the information of the control words, sending the control words to the descrambler and descrambling the scrambled programs;
the black box programming module is used for programming the card-free condition receiving data to the one-time programmable program of the set top box main chip;
the intelligent card programming module is used for programming the intelligent card operating program and the intelligent card user data into the intelligent card module;
the set-top box is also used for detecting whether the intelligent card is inserted, loading a card condition receiving module program when the intelligent card is inserted, and loading a card-free condition receiving module program when the intelligent card is not inserted and legal card-free condition receiving data is recorded.
In one embodiment, the system further comprises:
and the user management system is used for managing all user information in the operation network, wherein the user information comprises authorization information.
In one embodiment, the system further comprises:
and the operator front end is used for authorizing different users through the user management system and packaging and transmitting the authorization data to the set top box.
In one embodiment, the system further comprises:
and the demultiplexer is used for acquiring data, sending the data into the intelligent card or the card-free condition receiving embedded decryption module for decryption according to the type of the currently activated condition receiving module, and acquiring the control word.
In one embodiment, the system further comprises:
and the descrambler is used for receiving the control words and playing the audio and video programs according to the information of the control words.
A method for supporting card and non-card conditional receiving based on digital television is applied to a system for supporting card and non-card conditional receiving based on digital television, and the method comprises the following steps:
providing a control word required by the set-top box for descrambling the scrambled program;
receiving the control word, extracting the information of the control word, sending the control word to a descrambler, and descrambling the scrambled program;
burning the card-free condition receiving data to the OTP of the main chip of the set top box;
burning the smart card operating program and the smart card user data into a smart card module;
if the insertion of the smart card is detected, a card condition receiving module program is loaded, and if the non-insertion of the smart card is detected, a card condition receiving module program is loaded.
In one embodiment, the method further comprises:
managing all user information in an operating network, wherein the user information comprises authorization information;
and authorizing different users through the user management system, and packaging and transmitting the authorization data to the set top box.
In one embodiment, the method further comprises:
and acquiring data, sending the data into a card-contained condition or card-absent condition receiving embedded decryption module for decryption according to the type of the currently activated condition receiving module, and acquiring the control word.
In one embodiment, the method further comprises:
and receiving the control words, and playing the audio and video program according to the information of the control words.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method of supporting card-based and cardless conditional access based on digital television as set forth.
Has the advantages that:
the technical scheme of the invention discloses a system for supporting card holding and card-free condition receiving based on a digital television, which comprises: the intelligent card module is communicated with a set-top box and provides control words required by the set-top box for descrambling and scrambling programs; the set-top box is used for receiving the control words, extracting the information of the control words, sending the control words to the descrambler and descrambling the scrambled programs; the black box programming module is used for programming the card-free condition receiving data to the OTP of the set top box main chip; and the smart card programming module is used for programming the smart card running program and the smart card user data into the smart card module. The set-top box is also used for loading a card condition receiving module program when detecting that the intelligent card is inserted, and loading a card-free condition receiving module program when detecting that the intelligent card is not inserted and legal card-free condition receiving data is recorded. The system enables operators to normally use the card-free software which supports the same conditional access system by directly accessing under the premise of not modifying and configuring the prior operation front end. The operation cost and complexity of the digital television operation are greatly reduced.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a block diagram of a system for supporting card-holding and card-free conditional access based on a digital television according to the present invention;
FIG. 2 is a flow chart of a method for supporting card-holding and card-free conditional access based on digital television according to the present invention;
fig. 3 is a flowchart of the operation of a set-top box according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, a system for supporting card-holding and card-free conditional access based on digital tv includes:
the smart card module 200 is communicated with a set-top box and provides control words required by the set-top box for descrambling the scrambled programs;
in the present embodiment, the control word is a character appearing in a specific information text and indicating a certain control function, and the control word in the embodiment has a function of controlling the set-top box to descramble the scrambled program.
The set-top box 100 is configured to receive the control word, extract information of the control word, send the control word to a descrambler, and descramble the scrambled program;
in this embodiment, the information of the control word may be information in a plurality of data formats, such as binary text information, character string information, or a two-dimensional array. The scrambled program is specifically encrypted program information, and descrambling is the inverse process of encryption, namely the decryption process. The set-top box 100 is responsible for receiving and filtering digital signals, descrambling scrambled programs, and outputting to a television.
The black box programming module 300 is used for programming the card-free condition receiving data to a one-time programmable program of the set top box main chip;
in this embodiment, the burning is to write data or program into the main chip. Specifically, the blackbox writing module 300 obtains an unallocated user data record from the same CAS (central authentication Service/central authentication Service) user data server, and writes the unallocated user data record into the set-top box.
A smart card programming module 400 for programming the smart card operating program and the smart card user data into the smart card module;
in this embodiment, the smart card programming module 400 obtains an unassigned user data record from the CAS user data server, and writes the record into the smart card chip, thereby completing the "card manufacturing" process.
The set-top box is also used for loading a card condition receiving module program when detecting whether the intelligent card is inserted into the card or not and when the intelligent card is inserted into the card, and loading a card-free condition receiving module program when detecting that the intelligent card is not inserted into the card.
In one embodiment, the system further comprises:
the user management system 500 is configured to manage all user information in an operating network, where the user information includes authorization information.
In one embodiment, the system further comprises:
the operator front end 600 is configured to authorize different users through the user management system, and package and transmit authorization data to the set top box.
In this embodiment, the operator front end mainly packages and transmits data to the set-top box in a radio frequency manner.
In one embodiment, the system further comprises:
and the demultiplexer is used for acquiring data, sending the data into the intelligent card or the card-free condition receiving embedded decryption module for decryption according to the type of the currently activated condition receiving module, and acquiring the control word.
In this embodiment, the set-top box starts a demultiplexer to obtain ECM and EMM data, and sends the ECM and EMM data to the smart card or the cardless conditional access embedded decryption module for decryption to obtain the control word according to the type of the currently activated conditional access module.
In one embodiment, the system further comprises:
and the descrambler is used for receiving the control words and playing the audio and video programs according to the information of the control words.
The technical scheme of the invention discloses a system for supporting card holding and card-free condition receiving based on a digital television, which comprises: the intelligent card module is communicated with a set-top box and provides control words required by the set-top box for descrambling scrambled programs; the set-top box is used for receiving the control words, extracting the information of the control words, sending the control words to the descrambler and descrambling the scrambled programs; the black box programming module is used for programming the card-free condition receiving data to the OTP of the set top box main chip; and the smart card programming module is used for programming the smart card operating program and the smart card user data into the smart card module. The set-top box is also used for loading a card condition receiving module program when detecting that the intelligent card is inserted, and loading a card-free condition receiving module program when detecting that the intelligent card is not inserted and legal card-free condition receiving data is recorded. The system enables operators to normally use the cardless software which directly accesses and supports the same conditional access system on the premise of not modifying and configuring the prior operation front end. The operation cost and complexity of the digital television operation are greatly reduced.
Referring to fig. 2, a method for supporting card and cardless conditional access based on digital tv is applied to a system for supporting card and cardless conditional access based on digital tv, and the method includes:
s100: providing a control word required by the set top box for descrambling the scrambled program;
in the embodiment, the control word is a character which appears in a specific information text and represents a certain control function, and the control word in the embodiment has the function of controlling the set top box to descramble the scrambled program.
S200: receiving the control word, extracting the information of the control word, sending the control word into a descrambler, and descrambling the scrambled program;
in this embodiment, the information of the control word may be information in a plurality of data formats, such as binary text information, character string information, or a two-dimensional array. The scrambled program is specifically encrypted program information, and descrambling is the inverse process of encryption, namely the decryption process. The set-top box is responsible for receiving and filtering the digital signal, descrambling the scrambled program and outputting the scrambled program to the television.
S300: burning the card-free condition receiving data to the OTP of the main chip of the set top box;
in this embodiment, the burning is to write data or program into the main chip. Specifically, the blackbox writing module obtains an unassigned user data record from the same CAS user data server and writes the unassigned user data record to the set top box.
S400: and burning the smart card operating program and the smart card user data into the smart card module.
S500: if the insertion of the smart card is detected, a card condition receiving module program is loaded, and if the non-insertion of the smart card is detected, a card condition receiving module program is loaded.
In this embodiment, the smart card programming module obtains an unassigned user data record from the CAS user data server, and writes the record into the smart card chip, thereby completing the "card manufacturing" process.
In one embodiment, the method further comprises:
managing all user information in an operation network, wherein the user information comprises authorization information;
and authorizing different users through the user management system, and packaging and transmitting the authorization data to the set top box.
In one embodiment, the method further comprises:
and acquiring data, and sending the data into an intelligent card or a card-free condition receiving embedded decryption module for decryption according to the type of the currently activated condition receiving module to acquire a control word.
In one embodiment, the method further comprises:
and receiving the control words, and playing the audio and video program according to the information of the control words.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out said method of supporting card-based and cardless conditional reception for digital television.
As shown in fig. 3, in an embodiment of the present invention, a working method of a set top box is further provided, first, the set top box is started, whether the data is legal is judged, and a card-free condition receiving module is initialized; the set-top box starts a demultiplexer to obtain ECM/EMM data, analyzes the data and judges whether the current software is a card-containing or card-free condition receiving program, if the current software is a card-containing condition, the data is sent to the smart card, the smart card module processes the data transmitted by the set-top box and analyzes a control word and feeds the control word back to the set-top box, if the current software is a card-containing condition, the data is sent to the smart card, the smart card module processes the data transmitted by the set-top box and analyzes the control word and feeds the control word back to the set-top box, and the set-top box receives the control word and sets the control word into a descrambler to descramble.
All or part of the above embodiments may be implemented by software, hardware, firmware, or any combination thereof. When implemented using a software program, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The procedures or functions described in accordance with the embodiments of the application are all or partially generated when the computer program instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium.
For example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, digital subscriber line DSL), or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more available media. The usable medium may be a magnetic medium such as a floppy disk, a hard disk, a magnetic tape, an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state disk SSD), among others.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM), or the like.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A system for supporting card-based and cardless conditional access based on digital television, the system comprising:
the intelligent card module is communicated with a set-top box and provides control words required by the set-top box for descrambling and scrambling programs;
the set-top box is used for receiving the control words, extracting the information of the control words, sending the control words to the descrambler and descrambling the scrambled programs;
the black box programming module is used for programming the card-free condition receiving data to a one-time programmable program of the set top box main chip;
the intelligent card programming module is used for programming the intelligent card running program and the intelligent card user data into the intelligent card module;
the set-top box is also used for receiving a program by detecting whether the smart card is inserted or not and specifically judging whether the smart card is currently in a card or not; when the card is inserted, the card condition receiving module program is loaded, and when the card is not inserted, the card-free condition receiving module program is loaded.
2. The system for supporting card-based and cardless conditional access based on digital tv as claimed in claim 1, further comprising:
and the user management system is used for managing all user information in the operation network, and the user information comprises authorization information.
3. The system for supporting card-based and cardless conditional access based on digital tv as claimed in claim 2, further comprising:
and the operator front end is used for authorizing different users through the user management system and packaging and transmitting the authorization data to the set top box.
4. The system for supporting card-based and cardless conditional access based on digital tv as claimed in claim 1, further comprising:
and the demultiplexer is used for acquiring data, sending the data into the intelligent card or the card-free condition receiving embedded decryption module for decryption according to the type of the currently activated condition receiving module, and acquiring the control word.
5. The system for supporting card-holding and card-free conditional access based on digital television of claim 4, further comprising:
and the descrambler is used for receiving the control words and playing the audio and video programs according to the information of the control words.
6. A method for supporting card-holding and card-free conditional receiving based on digital television is applied to a system for supporting card-holding and card-free conditional receiving based on digital television, and is characterized in that the method comprises the following steps:
providing a control word required by the set-top box for descrambling the scrambled program;
receiving the control word, extracting the information of the control word, sending the control word to a descrambler, and descrambling the scrambled program;
burning the card-free condition receiving data to the OTP of the main chip of the set top box;
burning the smart card operating program and the smart card user data into a smart card module;
if the insertion of the smart card is detected, a card condition receiving module program is loaded, and if the non-insertion of the smart card is detected, a card condition receiving module program is loaded.
7. The method of claim 6, wherein the method further comprises:
managing all user information in an operating network, wherein the user information comprises authorization information;
and authorizing different users through a user management system, and packaging and transmitting the authorization data to the set top box.
8. The method for supporting card-holding and card-free conditional reception based on digital television according to claim 6, further comprising:
and acquiring data, sending the data into a card-contained condition or card-absent condition receiving embedded decryption module for decryption according to the type of the currently activated condition receiving module, and acquiring the control word.
9. The method of claim 8, wherein the method further comprises:
and receiving the control word, and playing an audio and video program according to the information of the control word.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method for supporting card-based and cardless conditional access based on digital television according to any of claims 6 to 9.
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| CN201910797344.2A CN112449215B (en) | 2019-08-27 | 2019-08-27 | Method and system for supporting card-holding and card-free condition receiving based on digital television |
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