CN107645679B - Production method and system of card-free condition receiving system of set top box - Google Patents
Production method and system of card-free condition receiving system of set top box Download PDFInfo
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- CN107645679B CN107645679B CN201710940141.5A CN201710940141A CN107645679B CN 107645679 B CN107645679 B CN 107645679B CN 201710940141 A CN201710940141 A CN 201710940141A CN 107645679 B CN107645679 B CN 107645679B
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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
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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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart 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
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
Abstract
The invention relates to a production system and a method of a set-top box cardless condition receiving system, which are provided with a cardless data management module, a production intelligent card application program, a production application program and a cardless condition receiving system set-top box.
Description
Technical Field
The invention relates to the field of digital televisions, in particular to a production method and a system of a set top box card-free conditional access system.
Background
With the development of digital television technology, the conditional access system of the set-top box can no longer depend on a smart card, and the application of the cardless conditional access system is possible through the use of some security chips. There are a number of benefits to using a cardless conditional access system: 1. because there is no physical smart card, the management problems of some smart cards, such as card loss, card damage, aging, etc., are avoided. 2. With a much lower cost.
In the conditional access system with card for set-top box, some data is stored in the smart card and is necessary for production, such as 1.mpk (main private Key), which is embedded in the smart card and is used to decrypt the management information (such as authorization, anti-authorization, etc.) distributed through the conditional access system with set-top box; SMC ID (Smart Card ID), which is built into the Smart Card and is the unique identification of the Smart Card, can be used to perform authorization and de-authorization control on the user. In the card-free conditional access system, due to the absence of the smart card, data in the smart card cannot be adapted to the production of the card-free conditional access system, so that the card-free conditional access system cannot be realized, and a set top box of the card-free conditional access system cannot be produced.
Disclosure of Invention
In view of the above, it is necessary to provide a method and a system for producing a set-top box cardless conditional access system, aiming at the problem that the data in the smart card cannot be adapted to the cardless conditional access system and the cardless conditional access system cannot be realized.
The invention provides a production system of a card-free conditional access system of a set-top box, which comprises: the system comprises a card-free data management module, a production intelligent card application program, a production application program and a card-free condition receiving system set top box;
the card-free data management module is used for managing MPK of the set-top box, producing the intelligent card key pair and returning data of the set-top box;
the production intelligent card is internally provided with a private key of a production intelligent card key pair;
the production smart card application program is used for communicating with the production smart card, processing a data request of the production application program, and simultaneously writing the data returned by the set top box into a specified file after the data is encrypted by the production smart card;
the production application program is used for reading a set-top box CHIPID, requesting data from the production smart card application program and writing the data into the card-free conditional access system set-top box, and reading the return data from the card-free conditional access system set-top box and sending the return data to the production smart card;
and the card-free condition receiving system set top box receives the data sent by the production application program, stores the data in a flash for later use, and generates return data to the production application program through a set algorithm.
Further, the card-less data management module generates an asymmetric encryption key pair PSMCK, wherein a public key is delivered to a set-top box manufacturer, and a private key is embedded in the produced smart card.
Further, the card-free data management module generates VSMC IDs required for production, and generates a PD file after being encrypted with the MPK through a public key in the PSMCK.
Further, the production smart card application program imports the PD file into the production smart card, and the PD file is managed by the production smart card; and the production intelligent card generates an SMCkey for standby through mixed operation by utilizing the SMC ID of the production intelligent card.
Further, the production application establishes a connection with the cardless conditional access system set-top box, reads the set-top box CHIPID, and sends the set-top box CHIPID to the production smart card through the production smart card application for requesting production data.
Further, the production smart card receives the CHIPID of the set-top box, and then performs mixed operation to generate a symmetric encryption Key CHIPID Key for standby, and simultaneously uses the SMC ID of the production smart card to select an unused VSMCID, and identifies the VSMC ID as used, and after encrypting the selected VSMC ID, SMC Key, MPK and production data through the CHIPID Key, sends the encrypted VSMC ID, SMC Key, MPK and production data to the set-top box of the cardless condition receiving system through the production smart card application program and the production application program.
Further, the card-free conditional access system set top box receives and decrypts production data, generates return data, encrypts the return data by using an SMC Key, and sends the encrypted return data to the production smart card through the production application program and the production smart card application program.
Further, after receiving the return data, the production smart card decrypts the return data through the SMC Key, encrypts the return data through a private Key in the PSMCK, and writes the return data into the RD file by using the production smart card application program.
The invention provides a production method of a card-free conditional access system of a set top box, which comprises the following steps:
setting a card-free data management module, and providing a production intelligent card, a production intelligent card application program, a production application program and a card-free condition receiving system set top box;
the card-free data management module is used for managing MPK of the set-top box, producing the intelligent card key pair and returning data of the set-top box;
the production intelligent card is internally provided with a private key of a production intelligent card key pair;
the production smart card application program is used for communicating with the production smart card, processing a data request of the production application program, and simultaneously writing the data returned by the set top box into a specified file after the data is encrypted by the production smart card;
the production application program is used for reading a set-top box CHIPID, requesting data from the production smart card application program and writing the data into the card-free conditional access system set-top box, and reading the return data from the card-free conditional access system set-top box and sending the return data to the production smart card;
and the card-free condition receiving system set top box receives the data sent by the production application program, stores the data in a flash for later use, and generates return data to the production application program through a set algorithm.
The invention relates to a production system and a method of a set-top box card-free condition receiving system, which are provided with a card-free data management module, a production intelligent card application program, a production application program and a card-free condition receiving system set-top box, wherein the production intelligent card separated from the set-top box and each module and application program configured correspondingly are adopted to complete the production of the set-top box card-free condition receiving system, so that data in the intelligent card can be suitable for the production of the card-free condition receiving system, thereby realizing the production of the card-free condition receiving system and producing the set-top box of the card-free condition receiving system.
Drawings
Fig. 1 is a block diagram of a production system of a set-top box cardless conditional access system in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a block diagram of a production system of a card-free conditional access system of a set-top box in an embodiment, as shown in fig. 1, the production system includes: a cardless data management module 100, a production smart card 200, a production smart card application 300, a production application 400, and a cardless conditional access system set-top box 500. The cardless data management module 100 is used to manage the MPK of the set-top box, produce smart card key pairs, and set-top box return data. The production smart card 200, which has the private key of the production smart card key pair built in, is used to communicate with the production smart card 200, process the data request of the production application 400, and at the same time, encrypt the data returned by the set-top box via the production smart card 200 and write the encrypted data into the specified file. The production application 400 is used to read the CHIPID (unique ID of the set-top-box master chip) of the set-top-box, request the data from the production smart card application 300 and write the data into the cardless conditional access system set-top-box 500, and at the same time, read the return data from the cardless conditional access system set-top-box 500 and send it to the production smart card 200. The cardless conditional access system set-top box 500 receives data sent by the production application 400 and stores the data in a flash for later use, and generates return data to the production application 400 by setting an algorithm.
Specifically, when the set-top box manufacturer needs to produce the Card-free conditional access system set-top box, the Card-free data management module 100 generates an asymmetric encryption key pair psmck (product Smart Card key), where the public key is delivered to the set-top box manufacturer and the private key is embedded in the production Smart Card 200.
The cardless Data management module 100 generates VSMC IDs (Virtual Smart Card IDs) in the amount required for production, encrypts the VSMC IDs and MPK by the public key in the PSMCK, and generates a PD file (product Data). In addition, the PD file is sent to the set-top box manufacturer.
The production smartcard application 300 imports the PD file into the production smartcard 200, which is managed by the production smartcard 200. Meanwhile, the smart card 200 generates an SMC Key (SmartCard Key) for standby through a hybrid operation by using its SMC ID.
The production application 400 establishes a connection (e.g., serial or network communication) with the cardless conditional access system set-top box 500, reads the set-top box CHIPID, and sends the set-top box CHIPID to the production smart card 200 via the production smart card application 300 to request production data.
The production smart card 200 receives the CHIPID of the set-top box and then performs hybrid operation to generate a CHIPID Key which is a symmetric encryption Key for standby, and simultaneously utilizes the SMC ID of the production smart card 200, selects an unused VSMC ID, identifies the VSMC ID as used, and simultaneously encrypts the VSMC ID, the SMC Key, the MPK and production data through the CHIPID Key and then sends the encrypted VSMC ID, SMC Key, MPK and production data to the cardless conditional access system set-top box 500 through the production smart card application 300 and the production application 400.
The cardless conditional access system set-top box 500 stores the received data in a flash. The cardless conditional access system set-top box 500 decrypts the production data, generates return data at the same time, encrypts the return data using the SMC Key, and sends the encrypted return data to the production smart card 200 via the production application 400 and the production smart card application 300. The return data includes the VSMC ID, CHIPID, and other necessary data. The production data is encrypted by using the set-top box CHIPID, so that the production data can be prevented from being copied and cracked.
After receiving the returned Data, the production smart card 200 decrypts the returned Data through the SMC Key, encrypts the Data through the private Key in the PSMCK, and writes the Data into an RD file (Return Data) by using the production smart card application 300, thereby completing the production of the card-less conditional access system of the set-top box.
The production system of the set-top box card-free condition receiving system is provided with a card-free data management module 100, a production intelligent card 200, a production intelligent card application program 300, a production application program 400 and a card-free condition receiving system set-top box 500, and adopts the production intelligent card 200 separated from the set-top box and various modules and application programs configured correspondingly to complete the production of the set-top box card-free condition receiving system, so that the data in the intelligent card can be suitable for the production of the card-free condition receiving system, the production of the card-free condition receiving system is realized, and the set-top box of the card-free condition receiving system can be produced.
Meanwhile, the invention also provides a production method of the STB card-free conditional access system, which comprises the following steps:
setting a card-free data management module, and providing a production intelligent card, a production intelligent card application program, a production application program and a card-free condition receiving system set top box;
the card-free data management module is used for managing the MPK of the set-top box, producing the intelligent card key pair and returning data of the set-top box. And the production intelligent card is internally provided with a private key of the production intelligent card key pair, and the production intelligent card application program is used for communicating with the production intelligent card, processing the data request of the production application program, and simultaneously writing the data returned by the set top box into the specified file after the data is encrypted by the production intelligent card. And the production application program is used for reading CHIPID (unique ID of the main chip of the set-top box), requesting data from the production smart card application program and writing the data into the set-top box of the cardless conditional access system, and meanwhile, reading the return data from the set-top box of the cardless conditional access system and sending the return data to the production smart card. The card-free condition receiving system set top box receives data sent by the production application program and stores the data in the flash for later use, and meanwhile, return data are generated to the production application program through a set algorithm.
Specifically, when a set-top box manufacturer needs to produce a Card-free conditional access system set-top box, the Card-free data management module generates an asymmetric encryption key pair psmck (product Smart Card key), wherein the public key is delivered to the set-top box manufacturer, and the private key is embedded in a production Smart Card.
The Card-free Data management module generates VSMC (Virtual Smart Card ID) with the quantity required by production, and generates a PD file (product Data) after the VSMC ID and the MPK are encrypted through a public key in the PSMCK. In addition, the PD file is sent to the set-top box manufacturer.
And the production intelligent card application program imports the PD file into the production intelligent card, and the production intelligent card manages the PD file. Meanwhile, the Smart Card is produced by utilizing the SMC ID of the Smart Card, and a SMC Key (Smart Card Key) is generated for standby after mixed operation.
The production application establishes a connection (e.g., serial or network communication) with the cardless conditional access system set-top box, reads the set-top box CHIPID, and sends the set-top box CHIPID to the production smart card through the production smart card application for requesting production data.
The production intelligent card receives the CHIPID of the set-top box, then performs mixed operation to generate a symmetric encrypted secret Key CHIPIDKey for standby, simultaneously utilizes the SMC ID of the production intelligent card, selects an unused VSMC ID, identifies the VSMC ID as used, and simultaneously encrypts the VSMC ID, the SMC Key, the MPK and production data through the CHIPID Key and then sends the encrypted VSMC ID, the SMC Key, the MPK and the production data to the set-top box of the cardless conditional access system through a production intelligent card application program and a production application program.
And the card-free condition receiving system set top box stores the received data in a flash. The card-free condition receiving system set top box decrypts the production data, generates return data at the same time, and sends the return data to the production intelligent card through the production application program and the production intelligent card application program after being encrypted by the SMC Key. The return data includes the VSMC ID, CHIPID, and other necessary data. The production data is encrypted by using the set-top box CHIPID, so that the production data can be prevented from being copied and cracked.
After receiving the returned Data, the production smart card decrypts the returned Data through the SMC Key, encrypts the returned Data through a private Key in the PSMCK, and writes the encrypted Data into an RD (Return Data) file by using a production smart card application program, so that the production of the card-free condition receiving system of the set top box is completed.
The production method of the set-top box card-free condition receiving system comprises the steps of setting a card-free data management module, a production intelligent card application program, a production application program and a card-free condition receiving system set-top box, and adopting the production intelligent card separated from the set-top box and each module and application program configured correspondingly to complete the production of the set-top box card-free condition receiving system, so that data in the intelligent card can be suitable for the production of the card-free condition receiving system, the production of the card-free condition receiving system is realized, and the set-top box of the card-free condition receiving system can be produced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A system for producing a set-top box cardless conditional access system, comprising: the system comprises a card-free data management module, a production intelligent card application program, a production application program and a card-free condition receiving system set top box;
the card-free data management module is used for managing a Main Private Key of the set-top box, producing an intelligent card Key pair and returning data of the set-top box;
the production intelligent card is internally provided with a private key of a production intelligent card key pair;
the production smart card application program is used for communicating with the production smart card, processing a data request of the production application program, and simultaneously writing the data returned by the set top box into a specified file after the data is encrypted by the production smart card;
the production application program is used for reading a set-top box chip code CHIPID, requesting data from the production smart card application program and writing the data into the card-free conditional access system set-top box, and meanwhile, reading the return data from the card-free conditional access system set-top box and sending the return data to the production smart card;
the card-free condition receiving system set top box receives the data sent by the production application program, stores the data in a flash for later use, and generates return data to the production application program through a set algorithm;
the production intelligent card application program imports a production Data product Data file into the production intelligent card, and the production intelligent card manages the production intelligent card; the Smart Card is produced by encoding a Smart Card ID by the Smart Card, and generating a Smart Card key for standby through hybrid operation; the production intelligent Card receives a chip code CHIPID of the set-top box and then performs mixed operation to generate a symmetric encrypted secret Key CHIPID Key for standby, simultaneously utilizes the intelligent Card code Smart Card ID of the production intelligent Card, selects an unused Virtual intelligent Card code Virtual Smart Card ID, identifies the Virtual intelligent Card code Virtual Smart Card ID as used, encrypts the selected Virtual intelligent Card code Virtual Smart Card ID, the intelligent Card secret Key Smart Card Key, a Main private Key Main private Key and production data through the CHIPID Key, and then sends the encrypted Virtual intelligent Card code Virtual Smart Card ID, the intelligent Card secret Key Smart Card Key, the Main private Key Main private Key and the production data to the set-top box of the cardless strip receiving system through the production intelligent Card application program and the production application program; the Card-free conditional access system set-top box receives and decrypts production data, generates return data at the same time, encrypts the return data by using an intelligent Card Key Smart Card Key, and sends the encrypted return data to the production intelligent Card through the production application program and the production intelligent Card application program; and after receiving the Return Data, the production intelligent card writes the Return Data into the Return Data Return Data file by using the production intelligent card application program.
2. The system of claim 1, wherein the cardless data management module generates an asymmetric encryption Key pair to generate a product Smart Card Key, wherein the public Key is delivered by a manufacturer of the set-top box and the private Key is embedded in the product Smart Card.
3. The system of claim 2, wherein the cardless Data management module generates a Virtual Smart Card code (Virtual Smart Card ID) that is required to Produce the desired number of Virtual Smart cards, and generates the production Data product Data file by encrypting with the master Private Key Main Private Key through a public Key in the production Smart Card Key product Smart Card Key.
4. The system of claim 3, wherein the production application establishes a connection with the cardless conditional access system set-top box, reads a set-top-chip code CHIPID, and sends the CHIPID to the production smart card via the production smart card application for requesting production data.
5. The system of claim 4, wherein the production Smart Card application is configured to write the Return Data Return Data file with the production Smart Card application after receiving the Return Data and decrypting the Return Data with a Smart Card Key Smart Card Key and encrypting the Return Data with a private Key of a product Smart Card Key.
6. A production method of a card-free conditional access system of a set top box is characterized by comprising the following steps:
setting a card-free data management module, and providing a production intelligent card, a production intelligent card application program, a production application program and a card-free condition receiving system set top box;
the card-free data management module is used for managing a Main Private Key of the set-top box, producing an intelligent card Key pair and returning data of the set-top box;
the production intelligent card is internally provided with a private key of a production intelligent card key pair;
the production smart card application program is used for communicating with the production smart card, processing a data request of the production application program, and simultaneously writing the data returned by the set top box into a specified file after the data is encrypted by the production smart card;
the production application program is used for reading a set-top box chip code CHIPID, requesting data from the production smart card application program and writing the data into the card-free conditional access system set-top box, and meanwhile, reading the return data from the card-free conditional access system set-top box and sending the return data to the production smart card;
the card-free condition receiving system set top box receives the data sent by the production application program, stores the data in a flash for later use, and generates return data to the production application program through a set algorithm; the production intelligent card application program imports a production Data product Data file into the production intelligent card, and the production intelligent card manages the production intelligent card; the Smart Card is produced by coding a Smart Card ID by the Smart Card, and generating a Smart Card key for standby through mixed operation; the production intelligent Card receives a chip code CHIPID of the set-top box and then performs mixed operation to generate a symmetric encrypted secret Key CHIPID Key for standby, simultaneously utilizes the intelligent Card code Smart Card ID of the production intelligent Card, selects an unused Virtual intelligent Card code Virtual Smart Card ID, identifies the Virtual intelligent Card code Virtual Smart Card ID as used, encrypts the selected Virtual intelligent Card code Virtual Smart Card ID, the intelligent Card secret Key Smart Card Key, a Main Private Key Main Private Key and production data through the CHIPID Key, and then sends the encrypted Virtual intelligent Card code Virtual Smart Card ID, the intelligent Card secret Key Smart Card Key, the Main Private Key Main Private Key and the production data to the set-top box of the cardless strip-element receiving system through the production intelligent Card application program and the production application program; the card-free conditional access system set-top box receives and decrypts production data, generates return data at the same time, encrypts the return data by using an intelligent card key Smart card and sends the encrypted return data to the production intelligent card through the production application program and the production intelligent card application program; and after receiving the Return Data, the production intelligent card writes the Return Data into the Return Data Return Data file by using the production intelligent card application program.
Priority Applications (2)
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|---|---|---|---|
| CN201710940141.5A CN107645679B (en) | 2017-09-30 | 2017-09-30 | Production method and system of card-free condition receiving system of set top box |
| PCT/CN2018/097005 WO2019062305A1 (en) | 2017-09-30 | 2018-07-25 | Set-top box cardless condition receiving system production method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710940141.5A CN107645679B (en) | 2017-09-30 | 2017-09-30 | Production method and system of card-free condition receiving system of set top box |
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| CN107645679B true CN107645679B (en) | 2020-02-07 |
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| CN107645679B (en) * | 2017-09-30 | 2020-02-07 | 深圳市九洲电器有限公司 | Production method and system of card-free condition receiving system of set top box |
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| Publication number | Publication date |
|---|---|
| WO2019062305A1 (en) | 2019-04-04 |
| CN107645679A (en) | 2018-01-30 |
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