CN100571369C - 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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- CN100571369C CN100571369C CNB2006101611474A CN200610161147A CN100571369C CN 100571369 C CN100571369 C CN 100571369C CN B2006101611474 A CNB2006101611474 A CN B2006101611474A CN 200610161147 A CN200610161147 A CN 200610161147A CN 100571369 C CN100571369 C CN 100571369C
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Abstract
A kind of method that realizes binding machine and card in mobile multimedia broadcast system may further comprise the steps: (1) determines a unique numbering and card number respectively to each mobile multimedia receiving system and condition receiving card; (2) when the user is used in combination a condition receiving card first with the mobile multimedia receiving system, by man-machine interface prompting user the numbering of receiving system and condition receiving card number is sent to conditional access system and carry out binding machine and card; (3) conditional access system sends key and key updating to the condition receiving card user who carried out binding machine and card, and carries in described key with the mobile multimedia receiving system of this condition receiving card number binding and number; (4) condition receiving card is decrypted processing to condition reception information, obtains the multimedia receiving system numbering in the described key, and compares with the numbering of the receiving system that is mated use, as unanimity, then proceed follow-up business and handle,, then abandon this conditional information as inconsistent.
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 condition receiving 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 conditional access system with the numbering of mobile multimedia receiving system and condition receiving card and carries out binding machine and card;
(3) conditional access system sends key and key updating to the condition receiving card user who carried out binding machine and card, and in described key, carry numbering with the mobile multimedia receiving system of this condition receiving card number binding, encryption is encapsulated as condition and receives information, sends by radio network;
(4) the mobile multimedia receiving system sends condition receiving card to after receiving described condition reception information, condition receiving card is decrypted processing to condition reception information, obtain the numbering of the mobile multimedia receiving system in the described key, and the numbering that is mated the mobile multimedia receiving system of use together compares, as unanimity, then proceed follow-up business and handle,, then abandon this condition and receive information as inconsistent.
In the above-mentioned steps (1), the numbering of described mobile multimedia receiving system can be solidificated in the hardware of this mobile multimedia receiving system, described CA card number is solidificated in this CA card.
Above-mentioned steps (1) further can comprise, described numbering and condition receiving card number is stored in the management system of mobile multimedia broadcast system; Correspondingly, in described step (2), numbering that conditional access system stores according to management system and condition receiving card number judge whether numbering that the user sends and condition receiving card be number effective, and effective numbering and condition receiving card number are bound.
In the above-mentioned steps (2), the user can carry out binding machine and card by manual service platform or voice IVR or short message or interconnected network mode with the management system that the numbering and the CA card number of mobile multimedia receiving system sends to mobile multi-media terminal.
In the above-mentioned described step (2), the user can send to management system with the numbering of a CA card number and one or more mobile multimedia receiving systems and bind.
Described condition reception information comprises key and key updating, and described key is can be user key, or product key, or business cipher key.
Above-mentioned condition receives information can be the business cipher key of encrypting, and this moment, condition receiving system generated the Entitlement Control Message of mobile multimedia receiving system, and this Entitlement Control Message is sent to the mobile multimedia receiving system by radio network.
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.Described condition reception information comprises key and key updating.
The head end conditional connecting system issues key and key updating (can be user key or product key or business cipher key or other keys etc.) only for the CA card user of having carried out the binding machine and card operation.When issuing key and key updating to user terminal, in key information, bring into and the corresponding terminal number of this CA card, be encapsulated as condition reception information after the encryption and send to terminal.After terminal is received condition reception information, send the CA card to and handle, after the deciphering of CA card, obtain the terminal number in this key, and with the numbering of this terminal relatively, as unanimity, then continue Business Processing, carry out key updating; As inconsistent, then abandon this condition and receive information.
More than be one embodiment of the present invention.In another embodiment of the present invention, when the user has the multi-section terminal, the user can send to conditional access system with a CA card number and a plurality of terminal number, realizes a card number binding multi-section terminal, makes the user can change the multi-section mobile multi-media terminal that use has been bound at any time.Bind under the situation of a plurality of terminal number at a card number, system is when issuing key to the user, need carry the numbering of the multi-section terminal of binding with user CA card, after the CA card is deciphered a plurality of terminal number of obtaining in the key, mate with the numbering of this terminal, as long as in described a plurality of numberings, match the numbering of this terminal, can continue Business Processing, carry out key updating; As coupling less than, then abandon this condition and receive information.
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 (9)
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 condition receiving 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 conditional access system with the numbering of mobile multimedia receiving system and condition receiving card and carries out binding machine and card;
(3) conditional access system sends key and key updating to the condition receiving card user who carried out binding machine and card, and in described key, carry numbering with the mobile multimedia receiving system of this condition receiving card number binding, encryption is encapsulated as condition and receives information, sends by radio network;
(4) the mobile multimedia receiving system sends condition receiving card to after receiving condition reception information, condition receiving card is decrypted processing to condition reception information, obtain the numbering of the mobile multimedia receiving system in the described key, and the numbering that is mated the mobile multimedia receiving system of use together compares, as unanimity, then proceed follow-up business and handle,, then abandon this condition and receive information as inconsistent.
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 condition receiving card number is stored in the management system of mobile multimedia broadcast system;
In the described step (2), numbering that conditional access system stores according to management system and condition receiving card number judge whether numbering that the user sends and condition receiving card be number effective, and effective numbering and condition receiving card number are bound.
4. the method for claim 1, it is characterized in that, in the step (2), the user number sends to the management system of mobile multi-media terminal by manual service platform or voice IVR or short message or interconnected network mode with the numbering of mobile multimedia receiving system and condition receiving card, carries out binding machine and card.
5. the method for claim 1 is characterized in that, in the described step (2), the condition receiving card that the user is sent number is bound with the numbering of one or more mobile multimedia receiving systems that the user sends.
6. method as claimed in claim 5 is characterized in that, in the step (3), when the multimedia receiver terminal of condition receiving card binding has when a plurality of, carries the numbering with a plurality of mobile multimedia receiving systems of this condition receiving card number binding in the described key;
In the step (4), the condition receiving card decryption condition receives the numbering of a plurality of mobile multimedia receiving systems in the information acquisition key, and the numbering that is mated the mobile multimedia receiving system of use is together mated, as long as match the numbering of the mobile multimedia receiving system that is mated use, then proceeding follow-up business handles, otherwise, abandon this conditional information.
7. the method for claim 1 is characterized in that, in the step (3), described key is a user key, or product key, or business cipher key.
8. the method for claim 1, it is characterized in that, the business cipher key of the described condition reception of step (3) information for encrypting, described conditional access system further generates the Entitlement Control Message of mobile multimedia receiving system, and this Entitlement Control Message is sent to the mobile multimedia receiving system by radio network.
9. 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 system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101611474A CN100571369C (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 |
|---|---|---|---|
| CNB2006101611474A CN100571369C (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 |
|---|---|
| CN101198013A CN101198013A (en) | 2008-06-11 |
| CN100571369C true CN100571369C (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101611474A Expired - Fee Related CN100571369C (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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104717532A (en) * | 2013-12-13 | 2015-06-17 | 国家广播电影电视总局广播电视卫星直播管理中心 | Direct broadcast satellite television equipment replacing method and device |
| CN105916031B (en) * | 2016-05-09 | 2020-03-10 | 青岛海信宽带多媒体技术有限公司 | Method and device for processing authorization management information |
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| CN101198013A (en) | 2008-06-11 |
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