CN100556126C - A kind of method that in mobile multimedia broadcast system, realizes binding machine and card - Google Patents
A kind of method that in mobile multimedia broadcast system, realizes binding machine and card Download PDFInfo
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- CN100556126C CN100556126C CNB2006101611455A CN200610161145A CN100556126C CN 100556126 C CN100556126 C CN 100556126C CN B2006101611455 A CNB2006101611455 A CN B2006101611455A CN 200610161145 A CN200610161145 A CN 200610161145A CN 100556126 C CN100556126 C CN 100556126C
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Abstract
A kind of method that in mobile multimedia broadcast system, realizes binding machine and card, may further comprise the steps: (1) determines a unique numbering to each mobile multimedia receiving system, and each condition receiving card is determined a unique card number; (2) when the user is used in combination a condition receiving card first with the mobile multimedia receiving system, carry out binding machine and card by man-machine interface prompting user; (3) condition receiving system condition receiving card number and the receiving system numbering that will carry out binding machine and card generates user key with function, come product key is encrypted by this user key, with product key business cipher key is encrypted, formation condition reception information sends to receiving system again; (4) the mobile multimedia receiving system sends condition receiving card to after receiving condition reception information, and condition receiving card reads the numbering of the receiving system that combines with it, and generates user key with identical function, deciphers controlled word according to this user key.
Description
Technical field
The present invention relates to the communications field, particularly filed of mobile multimedia broadcasting relates to a kind of method that realizes binding machine and card in mobile multimedia broadcast system.
Background technology
Along with the development of digital television techniques, spectators can be in the face of the selection of increasing digital television program.And the broadcasting dealer requires that then the user is collected certain license fee and uses owing to the increase of cost of investment.Condition receiving system is exactly in order to satisfy some broadcast service to be implemented system of access control, it uses various digital technologies to handle by the scrambling to program, make and have only authorized user just can watch (listening), can realize the paid service of Digital Television (audio frequency) broadcast system by scrambled program.
Existing digital TV conditional receives the general multilayer key mechanism that adopts the transmission program is encrypted, condition receiving system key factor under this mechanism mainly comprises control word (CW), Entitlement Control Message (ECM) and Entitlement Management Message (EMM), also has user key.
User terminal receives that these conditions receive information, (can be to be solidificated in the CA card according to the user key in the condition receiving card (CA card) again, send to terminal after also can generating according to certain rule by the head end conditional connecting system, be kept in the CA card, and regular update), solve product key, business cipher key and control word etc. successively; If the user has the mandate of watching program, will solve CW expressly, and send to and receive descrambling equipment and finish descrambling work program, just can normally watch program.
For the flexibility of raising system and operation, Mobile Multimedia Broadcasting or Digital Television adopt the operation way of separation between machine and card more at present, and promptly mobile multi-media terminal separates with the CA card, and the user can change mobile multi-media terminal arbitrarily.This operation way is when bringing convenience use to the user, bring hidden danger also for the fail safe of system: in case the CA card is cracked, the cracker can the identical card number of massive duplication the CA card, crime of illegal selling or presenting cultural relics of private collection is given other users, brings a large amount of traffic losts to operator.
Summary of the invention
The object of the present invention is to provide the method that realizes binding machine and card in a kind of mobile multimedia broadcast system, by this method, the terminal use is being enjoyed the while easily that can change mobile multi-media terminal arbitrarily, improve the anti-ability of cracking of system, guarantee benefits of operators.
For achieving the above object, the invention provides following technical scheme:
A kind of method that realizes binding machine and card in mobile multimedia broadcast system may further comprise the steps:
(1) each mobile multimedia receiving system is determined a unique numbering, each condition receiving card is determined a unique card number;
(2) when the user is used in combination a condition receiving card first with the mobile multimedia receiving system, the man-machine interface prompting user by the multimedia receiving system number sends to conditional access system with the numbering of multimedia receiving system and condition receiving card and carries out binding machine and card;
(3) condition receiving system generates user key with condition receiving card number and receiving system numbering with function, comes product key is encrypted by this user key, with product key business cipher key is encrypted again, and formation condition reception information sends to receiving system;
(4) the mobile multimedia receiving system sends condition receiving card to after receiving condition reception information, after condition receiving card receives conditional information, read the numbering of the receiving system that combines with it, and generate user key with identical function, according to this user key condition reception information is decrypted processing, obtains product key, business cipher key and control word successively.
In the above-mentioned steps (1), the numbering of described receiving system can be solidificated in the hardware of this receiving system, described CA card number is solidificated in this CA card.
Above-mentioned steps (1) further can comprise, described numbering and card number is stored in the management system of multi-media broadcasting system; Correspondingly, in described step (2), conditional access system judges according to numbering and card number that management system stores whether numbering and card number that the user sends be effective, and effective numbering and card number are bound.
In the above-mentioned steps (2), the user can by manual service platform or voice IVR or short message or interconnected network mode is numbered by receiving system and the CA card number sends to management system, carries out binding machine and card.
In the above-mentioned described step (2), the user can send to the numbering of a CA card number and one or more receiving systems management system and bind.
Method of the present invention is by the user numbering and the CA card number of mobile multimedia receiving terminal to be reported mobile multimedia broadcast system, system is with the numbering of terminal and the mode of CA card number binding, improve the anti-ability of cracking of system, guarantee benefits of operators, simultaneously, the user also can change mobile multi-media terminal at any time with a CA card number and the binding of a plurality of multimedia receiver terminal, enjoys the facility of changing the multimedia terminal at any time.
Description of drawings
Fig. 1 is a schematic diagram of realizing an embodiment of the inventive method
Embodiment
Fig. 1 is a schematic diagram of realizing a kind of execution mode of the inventive method.Specify as follows:
100 each mobile multi-media terminal carry out unique number when dispatching from the factory, be solidificated in this terminal hardware, can not change.This numbering can offer the user by man-machine interface simultaneously by user inquiring or in delivery-attached manuals.
110 each CA card all have unique number, are solidificated in the card, can not change.This numbering can offer the user by man-machine interface simultaneously by user inquiring or in delivery-attached manuals.
120 with the input of effective CA card number and terminal number and be kept in the terminal, CA card management system of multi-media broadcasting system.
When 200 users use a terminal first, the CA card is inserted this terminal,, need carry out the binding machine and card operation by man-machine interface prompting user.
Manual service platform or voice IVR or modes such as short message or Internet the Internet that 210 users provide by operator, the numbering and the CA card number of this terminal or set-top box are sent to conditional access system, conditional access system judges according to numbering and card number that management system stores whether numbering and card number that the user sends be effective, and effective numbering and card number are bound.
300 conditional access systems receive information according to the terminal number and the CA card number formation condition of binding, send to user terminal by radio network.
The head end conditional connecting system receives information only for the CA card user of having carried out the binding machine and card operation condition that issues.Condition receiving system generates user key with condition receiving card number and receiving system numbering with function, comes product key is encrypted by this user key, with product key business cipher key is encrypted again, and formation condition reception information sends to receiving system;
The mobile multimedia receiving system sends condition receiving card to after receiving condition reception information, after condition receiving card receives conditional information, read the numbering of the receiving system that combines with it, and generate user key with identical function, if the terminal number that receives information with the numbering and the formation condition of the terminal of its combination is identical, then the user key of Sheng Chenging is also identical, according to this user key condition reception information is decrypted processing, the CA card can solve product key, business cipher key and control word etc. successively.
The multimedia receiving system is to be example with common multimedia receiver terminal in the above-mentioned execution mode, and method of the present invention is equally applicable to the set-top box in the digital television system and the binding machine and card of CA card.
Claims (6)
1. method that realizes binding machine and card in mobile multimedia broadcast system may further comprise the steps:
(1) each mobile multimedia receiving system is determined a unique numbering, each condition receiving card is determined a unique card number;
(2) when the user is used in combination a condition receiving card first with the mobile multimedia receiving system, the man-machine interface prompting user by the mobile multimedia receiving system number sends to condition receiving system with the numbering of mobile multimedia receiving system and condition receiving card and carries out binding machine and card;
(3) condition receiving system generates user key with condition receiving card number and mobile multimedia receiving system numbering with function, come product key is encrypted by this user key, with product key business cipher key is encrypted, formation condition reception information sends to the mobile multimedia receiving system again;
(4) the mobile multimedia receiving system sends condition receiving card to after receiving condition reception information, after condition receiving card receives condition reception information, read the numbering of the mobile multimedia receiving system that combines with it, and generate user key with identical function, according to this user key condition reception information is decrypted processing, obtains product key, business cipher key and control word successively.
2. the method for claim 1 is characterized in that, in the described step (1), the numbering of described mobile multimedia receiving system is solidificated in the hardware of this mobile multimedia receiving system, and described condition receiving card number is solidificated in this condition receiving card.
3. the method for claim 1 is characterized in that, described step (1) further comprises, described numbering and card number is stored in the condition receiving card number and mobile multimedia receiving system numbering management system of multi-media broadcasting system.
4. the method for claim 1 is characterized in that, in the described step (2), condition receiving system judges according to numbering and card number that management system stores whether numbering and card number that the user sends be effective, and effective numbering and card number are bound.
5. the method for claim 1, it is characterized in that, in the step (2), the user number sends to management system by manual service platform or voice IVR or short message or interconnected network mode with mobile multimedia receiving system numbering and condition receiving card, carries out binding machine and card.
6. the method for claim 1 is characterized in that, described mobile multimedia receiving system is the multimedia terminal of reception, or the set-top box of Digital Television.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101611455A CN100556126C (en) | 2006-12-07 | 2006-12-07 | A kind of method that in mobile multimedia broadcast system, realizes binding machine and card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101611455A CN100556126C (en) | 2006-12-07 | 2006-12-07 | A kind of method that in mobile multimedia broadcast system, realizes binding machine and card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101198012A CN101198012A (en) | 2008-06-11 |
| CN100556126C true CN100556126C (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101611455A Expired - Fee Related CN100556126C (en) | 2006-12-07 | 2006-12-07 | A kind of method that in mobile multimedia broadcast system, realizes binding machine and card |
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| Country | Link |
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| CN (1) | CN100556126C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297527A (en) * | 2013-06-05 | 2013-09-11 | 常熟市广播电视总台 | RFT (radio, film and television) intelligent community system and implementation method thereof |
| CN105516763B (en) * | 2015-12-09 | 2019-05-31 | 深圳市纽格力科技有限公司 | Encipher-decipher method, device and the digital program system of certificate granting card identification information |
| CN106961455A (en) * | 2016-01-11 | 2017-07-18 | 深圳数拓科技有限公司 | A kind of field data method for pushing |
| CN107947924A (en) * | 2017-12-04 | 2018-04-20 | 深圳绿米联创科技有限公司 | Intelligent domestic system and information ciphering method and device, terminal |
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2006
- 2006-12-07 CN CNB2006101611455A patent/CN100556126C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101198012A (en) | 2008-06-11 |
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