CN102938850A - Method and system for limited authorization for user - Google Patents
Method and system for limited authorization for user Download PDFInfo
- Publication number
- CN102938850A CN102938850A CN2012104116718A CN201210411671A CN102938850A CN 102938850 A CN102938850 A CN 102938850A CN 2012104116718 A CN2012104116718 A CN 2012104116718A CN 201210411671 A CN201210411671 A CN 201210411671A CN 102938850 A CN102938850 A CN 102938850A
- Authority
- CN
- China
- Prior art keywords
- content
- product
- piecemeal number
- descrambled
- user
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a method and a system for limited authorization for a user. According to the method, copyright limitation authorization is performed for a user according to product watching times, product watching duration and product watching flow, and an operator can flexibly provide various modes and types of service products for the selection of the user, so that more users can be attracted; and meanwhile, the user can conveniently order the products according to self demands, and selects a proper watching mode to consume the product.
Description
Technical field
The present invention relates to the copyright authorization method of Digital Television, relate in particular to a kind of method and system that the user is limited the quantity of and authorizes.
Background technology
Along with the acceleration of Digital Television is promoted, Digital Television is more and more universal.Various sponsored programs, such as quasi-video request program etc., all needing has corresponding charge method.For guaranteeing carrying out of these value-added services, need to be encrypted these information, the user is authorized simultaneously, only have authorized user just can enjoy the right of the value-added service of watching these charges.
Generally adopt at present the CA system carry out the authorization message transmission and authorized user is managed the user.The CA system mainly lays particular emphasis on controls user's receiving media content on service provider network, guarantees pipe safety and prevents from serving stolen, and does not manage after content being sent to the user.DRM(Digital Rights Management, content digital publishing rights encipherment protection technology) be that another kind is used for the technology of the digitized audio/video program content copyright of more protection, it lays particular emphasis on protection content itself.DRM is a system concept, and it comprises digital rights information uses, the management of digital media content protected by copyright and distribution.DRM encrypts the digital media content needed protection, and only has authorized user could decipher digital media content.Even digital media content is downloaded preservation by other users, because do not obtain the checking mandate of digital media content authorization center, also can't play, thereby protect the copyright of digital media content.
DRM adopts the pattern of authorizing on a time period to carry out copyright restrictions to the licensing mode of digital media content usually.Authorize and to refer to that time started from mandate to the user and concluding time information by issue carries out copyright restrictions according to the time period, this kind of copyright restrictions licensing mode easily realized.The monthly payment mandate business that operator generally carries out is exactly to authorize on a time period.During to user's monthly payment mandate, first by the content after scrambling and PDM(Product Description Message, product description information) be pushed to terminal, described product description information comprises production code member, context number, content distribution zero-time and the distribution concluding time of content in product in product.Then BOSS(Business& Operation Support System, business operation support system) send the monthly payment authorization message by interface interchange DRM server.But the operation mode of this kind of monthly payment mandate business is too fixing, single, can't meet operator and provide demand diversified, individual business for the user, this kind of copyright restrictions licensing mode makes the user when buying product, need to buy the product mandate of the whole month, product quit the subscription of and authorize a change also inconvenient, even the user is not because some reason is watched program, also still need to pay, in addition, the user also can't select to be applicable to the customization service of self according to self-demand, and user experience is poor.
For above problem, the present invention proposes a kind of method and system that the user is limited the quantity of and authorizes, and provides the service product of various modes and type to select for the user, to solve operation mode, fixes, single problem.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method and system that the user is limited the quantity of and authorizes, the user is carried out watching number of times, watch duration, watching the copyright restrictions mandate of three kinds of modes of flow according to product, solved that operation mode is fixed, single problem.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of method that the user is limited the quantity of and authorizes comprises:
Product content is carried out being pushed to user terminal after scrambling, and the product information of described product content is synchronized to digital copyright management server;
The copyright restrictions authorization requests sent according to user terminal generates authorized order and is handed down to digital copyright management server;
The authorized order that the digital copyright management server basis receives and the unified generation of synchronous product information comprise the authorization message bag for the treatment of descrambled content piecemeal number information and are handed down to user terminal;
User terminal receives the authorization message bag, according to the descrambled content piecemeal number information for the treatment of of obtaining, scrambled content is carried out to descrambling.
Further, the copyright restrictions authorization requests that described user terminal sends comprises, customer requirements is watched number of times, watches duration, watched flow to carry out the copyright restrictions mandate according to product.
Further, described digital copyright management server calculates and treats descrambled content piecemeal number according to following three kinds of modes according to the authorized order received and synchronous product information, comprise,
When customer requirements watches number of times to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (1),
K=N﹡M （1）
Wherein, N means the number of times of watching of customer requirements, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches duration to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (2),
K=（b/t）*M （2）
Wherein, b means the duration of watching of customer requirements, and t means total duration of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches flow to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (3),
K=（c/n）*M （3）
Wherein, c means the flow of watching of customer requirements, and n means the total flow of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number.
Further, described product information comprises product content numbering, product content size, product content piecemeal number and product content duration.
Further, the described step that product content is carried out to scrambling comprises, service end is carried out piecemeal to product content, and different content piecemeals is used different content keys to carry out scrambling.
The present invention also discloses a kind of system that the user is limited the quantity of and authorizes, described system comprises service end and user terminal, described service end comprises scrambling module, digital rights management module and service operation module, described user terminal comprises descrambling control module and descrambling module, described scrambling module is connected with descrambling module with digital rights management module respectively, described digital rights management module is connected with the descrambling control module with the service operation module respectively, described descrambling control module is connected with descrambling module, wherein
Described scrambling module is used for product content is carried out to scrambling, and the product information of described product content is synchronized to digital rights management module;
Described service operation module generates authorized order for the copyright restrictions authorization requests sent according to user terminal and is handed down to digital rights management module;
The unified generation of the authorized order that described digital rights management module receives for basis and synchronous product information comprises the authorization message bag for the treatment of descrambled content piecemeal number information and is handed down to the descrambling control module;
Described descrambling control module is for obtaining from the authorization message bag received the descrambled content piecemeal number information for the treatment of;
Described descrambling module is for treating that according to described descrambled content piecemeal number information carries out descrambling to scrambled content.
Further, the copyright restrictions authorization requests that described user terminal sends comprises, customer requirements is watched number of times, watches duration, watched flow to carry out the copyright restrictions mandate according to product.
Further, digital rights management module is calculated and is treated descrambled content piecemeal number according to following three kinds of modes according to the authorized order received and synchronous product information, comprise,
When customer requirements watches number of times to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (1),
K=N﹡M （1）
Wherein, N means the number of times of watching of customer requirements, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches duration to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (2),
K=（b/t）*M （2）
Wherein, b means the duration of watching of customer requirements, and t means total duration of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches flow to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (3),
K=（c/n）*M （3）
Wherein, c means the flow of watching of customer requirements, and n means the total flow of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number.
Further, described product information comprises product content numbering, product content size, product content piecemeal number and product content duration.
Adopt technical scheme of the present invention, can carry out product to the user watches number of times, watches duration, watches the copyright restrictions mandate of three kinds of modes of flow, guaranteed that operator can provide the service product of various modes and type to select for the user flexibly, thereby attracted more user; Simultaneously, be convenient to the user according to the self-demand ordering products, select the suitable mode of watching to be consumed.
The accompanying drawing explanation
The system architecture diagram that the user is limited the quantity of and authorizes that Fig. 1 provides for the specific embodiment of the invention;
The method flow diagram that the user is limited the quantity of and authorizes that Fig. 2 provides for the specific embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
The system architecture diagram that the user is limited the quantity of and authorizes that Fig. 1 provides for the specific embodiment of the invention.As shown in Figure 1, described system comprises service end and user terminal, described service end comprises scrambling module, digital rights management module and service operation module, described user terminal comprises descrambling control module and descrambling module, described scrambling module is connected with descrambling module with digital rights management module respectively, described digital rights management module is connected with the descrambling control module with the service operation module respectively, described descrambling control module is connected with descrambling module, wherein, described scrambling module is for carrying out scrambling to product content, and the product information of described product content is synchronized to digital rights management module, described service operation module generates authorized order for the copyright restrictions authorization requests sent according to user terminal and is handed down to digital rights management module, the unified generation of the authorized order that described digital rights management module receives for basis and synchronous product information comprises the authorization message bag for the treatment of descrambled content piecemeal number information and is handed down to the descrambling control module, described descrambling control module is for obtaining from the authorization message bag received the descrambled content piecemeal number information for the treatment of, described descrambling module is for treating that according to described descrambled content piecemeal number information carries out descrambling to scrambled content.
The copyright restrictions authorization requests that described user terminal sends comprises, customer requirements is watched number of times, watches duration, watched flow to carry out the copyright restrictions mandate according to product.
Described product information comprises product content numbering, product content size, product content piecemeal number and product content duration.
The method flow diagram that the user is limited the quantity of and authorizes that Fig. 2 provides for the specific embodiment of the invention.As shown in Figure 2, the method comprises the steps:
Step 201: product content is carried out being pushed to user terminal after scrambling, and the product information of described product content is synchronized to digital copyright management server;
At first service end is called scrambling module product content is carried out to scrambling, and the mode of described scrambling can be for carrying out the piecemeal scrambling to product content, and wherein, different content piecemeals is used different content key scramblings.Content key (Control Word, CW): claim again control word, for realizing the protection to programme content.Content key (CW) is added descrambling for the one or more Basic Flows to a program.After using content key (CW) scrambling product content, the product content that the user terminal that obtains this content key (CW) just can descrambling be protected by its.
Service end utilizes described content key to carry out being pushed to user terminal after scrambling to the content piecemeal.Scrambling module returns to the product information of the product content after scrambling, and the product information of this product content (as context number, content size, content piecemeal number, the total duration of content etc.) is synchronized to the DRM server.
Step 202: the copyright restrictions authorization requests sent according to user terminal generates authorized order and is handed down to digital copyright management server;
The copyright restrictions authorization requests that described user terminal sends comprises, customer requirements is watched number of times, watches duration, watched flow to carry out the copyright restrictions mandate according to product.
Step 203: the authorized order that the digital copyright management server basis receives and the unified generation of synchronous product information comprise the authorization message bag for the treatment of descrambled content piecemeal number information and are handed down to user terminal;
Digital copyright management server (DRM server) is preserved the product information of the product content after scrambling.After receiving the authorized order that service operation module (BOSS) issues, according to authorized order require and synchronous product information (as context number, content size, content piecemeal number, the total duration of content etc.) by the watching number of times, watch duration, watch the copyright restrictions authorization requests such as flow to be converted into the authorization message of consolidation form of customer requirements, need to be in the content piecemeal number of user terminal descrambling.
Wherein, described digital copyright management server calculates and treats descrambled content piecemeal number according to following three kinds of modes according to the authorized order received and synchronous product information, comprise,
When customer requirements watches number of times to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (1),
K=N﹡M （1）
Wherein, N means the number of times of watching of customer requirements, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches duration to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (2),
K=（b/t）*M （2）
Wherein, b means the duration of watching of customer requirements, and t means total duration of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches flow to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (3),
K=（c/n）*M （3）
Wherein, c means the flow of watching of customer requirements, and n means the total flow of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number.
Digital copyright management server is encrypted content key, generates the authorization message of encrypting, and the authorization message of described encryption and the descrambled content piecemeal number information combination for the treatment of calculated are issued to user terminal in the Entitlement Management Message bag.
Step 204: user terminal receives the authorization message bag, according to the descrambled content piecemeal number information for the treatment of of obtaining, scrambled content is carried out to descrambling.
System for numeral copyright management is decrypted based on smart card techniques, user terminal receives the Entitlement Management Message bag, the user key that utilization is solidificated in smart card is decrypted the authorization message of having encrypted, obtain content key, the descrambling control module obtains treating descrambled content piecemeal number information from the Entitlement Control Message bag, and descrambling module utilizes described content key to carry out playing after descrambling to the scrambled content piecemeal according to what obtain until descrambled content piecemeal number information.The user often watches a content, but the content piecemeal number of descrambling just reduces 1, but until descrambled content piecemeal number is kept to 0.
Below with specific embodiment, the copyright restrictions empowerment management process to the user describes.
Product content is " Ah sweet's main story .mov ", the system for numeral copyright management service end generates program stream by this product content through real-time encoder, service end produces content key, calling the content scrambling module carries out storing after scrambling to product content, Content Management System (CMS) returns to this product content and is divided into M content piecemeal, different content piecemeals is used different content key scramblings, service end is pushed to user terminal by the product content after scrambling, and by the product information of this product content after scrambling (product content duration t, name of product " Ah sweet's main story ", content piecemeal number M and content size n etc.) be synchronized to the DRM server.
The first embodiment, as follows by watching number of times to carry out the process of copyright restrictions mandate: product content is watched in user's request N time, service operation module BOSS receives user's copyright restrictions authorization requests, send corresponding licensing mode instruction to the DRM server, the DRM server receives the licensing mode instruction of BOSS, according to the copyright control authorization message of synchronous product information and BOSS transmission, calculates the number that the copyright control mandate needs the scrambled content piecemeal of descrambling.The DRM server is encrypted content key, the authorization message of generate encrypting, and the authorization message of described encryption is become to EMM(Entitlement Management Message bag together with the descrambled content piecemeal number information combination for the treatment of calculated) authorization packets is handed down to user terminal.After terminal receives authorization packets, utilize key curing in smart card to be decrypted the authorization message of having encrypted, obtain content key, the descrambling control module obtains treating descrambled content piecemeal number information from the Entitlement Control Message bag, descrambling module is according to the descrambled content piecemeal number information for the treatment of of obtaining, N*M the scrambled content piecemeal that utilizes described content key to license to user's descrambling to the digital publishing rights management services module carries out descrambling, until need the content piecemeal number of descrambling, is 0.
The second embodiment, as follows by watching duration to carry out the process of copyright restrictions mandate: the product content that user's request is watched b minute, service operation module BOSS receives user's copyright restrictions authorization requests, send corresponding licensing mode instruction to the DRM server, the DRM server receives the licensing mode instruction of BOSS, according to the copyright control authorization message of synchronous product information and BOSS transmission, calculates the number that the copyright control mandate needs the scrambled content piecemeal of descrambling.The DRM server is encrypted content key, the authorization message of generate encrypting, and the authorization message of described encryption is become to EMM(Entitlement Management Message bag together with the descrambled content piecemeal number information combination for the treatment of calculated) authorization packets is handed down to user terminal.After terminal receives authorization packets, utilize key curing in smart card to be decrypted the authorization message of having encrypted, obtain content key, the descrambling control module obtains treating descrambled content piecemeal number information from the Entitlement Control Message bag, descrambling module is according to the descrambled content piecemeal number information for the treatment of of obtaining, M the scrambled content piecemeal of (b/t) * that utilizes described content key to license to user's descrambling to the digital publishing rights management services module carries out descrambling, until need the content piecemeal number of descrambling, is 0.
The 3rd embodiment, as follows by watching flow to carry out the process of copyright restrictions mandate: the product content of c KB is watched in user's request, service operation module BOSS receives user's copyright restrictions authorization requests, send corresponding licensing mode instruction to the DRM server, the DRM server receives the licensing mode instruction of BOSS, according to the copyright control authorization message of the product synchronizing information after synchronous and BOSS transmission, calculates the number that the copyright control mandate needs the scrambled content piecemeal of descrambling.The DRM server is encrypted content key, the authorization message of generate encrypting, and the authorization message of described encryption is become to EMM(Entitlement Management Message bag together with the descrambled content piecemeal number information combination for the treatment of calculated) authorization packets is handed down to user terminal.After terminal receives authorization packets, utilize key curing in smart card to be decrypted the authorization message of having encrypted, obtain content key, the descrambling control module obtains treating descrambled content piecemeal number information from the Entitlement Control Message bag, descrambling module is according to the descrambled content piecemeal number information for the treatment of of obtaining, M the scrambled content piecemeal of (c/n) * that utilizes described content key to license to user's descrambling to the digital publishing rights management services module carries out descrambling, until need the content piecemeal number of descrambling, is 0.
Adopt technical scheme of the present invention, can carry out product to the user watches number of times, watches duration, watches the copyright restrictions mandate of three kinds of modes of flow, guaranteed that operator can provide the service product of various modes and type to select for the user flexibly, thereby attracted more user; Simultaneously, be convenient to the user according to the self-demand ordering products, select the suitable mode of watching to be consumed.
Above are only preferred embodiment of the present invention and institute's application technology principle, anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the variation that can expect easily or replacement, all should be encompassed in protection scope of the present invention.
Claims (9)
1. the method that the user is limited the quantity of and authorizes, is characterized in that, comprising:
Product content is carried out being pushed to user terminal after scrambling, and the product information of described product content is synchronized to digital copyright management server;
The copyright restrictions authorization requests sent according to user terminal generates authorized order and is handed down to digital copyright management server;
The authorized order that the digital copyright management server basis receives and the unified generation of synchronous product information comprise the authorization message bag for the treatment of descrambled content piecemeal number information and are handed down to user terminal;
User terminal receives the authorization message bag, according to the descrambled content piecemeal number information for the treatment of of obtaining, scrambled content is carried out to descrambling.
2. the method that the user is limited the quantity of and authorizes according to claim 1, is characterized in that, the copyright restrictions authorization requests that described user terminal sends comprises, customer requirements is watched number of times, watches duration, watched flow to carry out the copyright restrictions mandate according to product.
3. the method that the user is limited the quantity of and authorizes according to claim 2, is characterized in that, described digital copyright management server calculates and treats descrambled content piecemeal number according to following three kinds of modes according to the authorized order received and synchronous product information, comprise,
When customer requirements watches number of times to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (1),
K=N﹡M （1）
Wherein, N means the number of times of watching of customer requirements, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches duration to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (2),
K=（b/t）*M （2）
Wherein, b means the duration of watching of customer requirements, and t means total duration of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches flow to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (3),
K=（c/n）*M （3）
Wherein, c means the flow of watching of customer requirements, and n means the total flow of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number.
4. the method that the user is limited the quantity of and authorizes according to claim 1, is characterized in that, described product information comprises product content numbering, product content size, product content piecemeal number and product content duration.
5. the method that the user is limited the quantity of and authorizes according to claim 1, is characterized in that, the described step that product content is carried out to scrambling comprises, service end is carried out piecemeal to product content, and different content piecemeals is used different content keys to carry out scrambling.
6. the system that the user is limited the quantity of and authorizes, described system comprises service end and user terminal, described service end comprises scrambling module, digital rights management module and service operation module, described user terminal comprises descrambling control module and descrambling module, described scrambling module is connected with descrambling module with digital rights management module respectively, and described digital rights management module is connected with the descrambling control module with the service operation module respectively, and described descrambling control module is connected with descrambling module, wherein
Described scrambling module is used for product content is carried out to scrambling, and the product information of described product content is synchronized to digital rights management module;
Described service operation module generates authorized order for the copyright restrictions authorization requests sent according to user terminal and is handed down to digital rights management module;
The unified generation of the authorized order that described digital rights management module receives for basis and synchronous product information comprises the authorization message bag for the treatment of descrambled content piecemeal number information and is handed down to the descrambling control module;
Described descrambling control module is for obtaining from the authorization message bag received the descrambled content piecemeal number information for the treatment of;
Described descrambling module is for treating that according to described descrambled content piecemeal number information carries out descrambling to scrambled content.
7. the system that the user is limited the quantity of and authorizes according to claim 6, is characterized in that, the copyright restrictions authorization requests that described user terminal sends comprises, customer requirements is watched number of times, watches duration, watched flow to carry out the copyright restrictions mandate according to product.
8. the system that the user is limited the quantity of and authorizes according to claim 6, is characterized in that, digital rights management module is calculated and treated descrambled content piecemeal number according to following three kinds of modes according to the authorized order received and synchronous product information, comprise,
When customer requirements watches number of times to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (1),
K=N﹡M （1）
Wherein, N means the number of times of watching of customer requirements, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches duration to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (2),
K=（b/t）*M （2）
Wherein, b means the duration of watching of customer requirements, and t means total duration of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number;
When customer requirements watches flow to carry out the copyright restrictions mandate according to product, digital copyright management server calculates and treats descrambled content piecemeal number according to formula (3),
K=（c/n）*M （3）
Wherein, c means the flow of watching of customer requirements, and n means the total flow of product content, and M means the content piecemeal number that product content is divided into, and K means to treat descrambled content piecemeal number.
9. the system that the user is limited the quantity of and authorizes according to claim 6, is characterized in that, described product information comprises product content numbering, product content size, product content piecemeal number and product content duration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210411671.8A CN102938850B (en) | 2012-10-25 | 2012-10-25 | A kind of method and system for mandate of limiting the quantity user |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210411671.8A CN102938850B (en) | 2012-10-25 | 2012-10-25 | A kind of method and system for mandate of limiting the quantity user |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102938850A true CN102938850A (en) | 2013-02-20 |
| CN102938850B CN102938850B (en) | 2018-08-03 |
Family
ID=47697716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210411671.8A Active CN102938850B (en) | 2012-10-25 | 2012-10-25 | A kind of method and system for mandate of limiting the quantity user |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102938850B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581211A (en) * | 2014-12-31 | 2015-04-29 | 航天数字传媒有限公司 | Business-based on-demand authentication method and system of satellite digital business |
| CN108848400A (en) * | 2018-06-29 | 2018-11-20 | 冠捷显示科技（厦门）有限公司 | A kind of management method of TV resource |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080313463A1 (en) * | 2007-06-18 | 2008-12-18 | General Instrument Corporation | Method and Apparatus For Use in a Downloadable Conditional Access System |
| CN101902611A (en) * | 2009-06-01 | 2010-12-01 | 航天信息股份有限公司 | Method for realizing IPTV digital rights management |
| CN102111651A (en) * | 2009-12-24 | 2011-06-29 | 北京视博数字电视科技有限公司 | Method for recording program, method for broadcasting program, front end and terminal equipment |
| CN201910884U (en) * | 2010-11-26 | 2011-07-27 | 北京视博数字电视科技有限公司 | CA (communication automation) system, front end, pay-television system and terminal safety device |
| CN102149015A (en) * | 2011-04-02 | 2011-08-10 | 北京互信通科技有限公司 | Method and corresponding device for transmitting and broadcasting encrypted channel in digital television |
| CN102291598A (en) * | 2011-09-06 | 2011-12-21 | 四川金网通电子科技有限公司 | Controllable license management method of digital television hardware function |
| CN102510374A (en) * | 2011-10-08 | 2012-06-20 | 北京视博数字电视科技有限公司 | License management method and device capable of detecting clone for front-end system |
| CN202364334U (en) * | 2011-10-08 | 2012-08-01 | 北京视博数字电视科技有限公司 | License management device capable of detecting clone and system |
-
2012
- 2012-10-25 CN CN201210411671.8A patent/CN102938850B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080313463A1 (en) * | 2007-06-18 | 2008-12-18 | General Instrument Corporation | Method and Apparatus For Use in a Downloadable Conditional Access System |
| CN101902611A (en) * | 2009-06-01 | 2010-12-01 | 航天信息股份有限公司 | Method for realizing IPTV digital rights management |
| CN102111651A (en) * | 2009-12-24 | 2011-06-29 | 北京视博数字电视科技有限公司 | Method for recording program, method for broadcasting program, front end and terminal equipment |
| CN201910884U (en) * | 2010-11-26 | 2011-07-27 | 北京视博数字电视科技有限公司 | CA (communication automation) system, front end, pay-television system and terminal safety device |
| CN102149015A (en) * | 2011-04-02 | 2011-08-10 | 北京互信通科技有限公司 | Method and corresponding device for transmitting and broadcasting encrypted channel in digital television |
| CN102291598A (en) * | 2011-09-06 | 2011-12-21 | 四川金网通电子科技有限公司 | Controllable license management method of digital television hardware function |
| CN102510374A (en) * | 2011-10-08 | 2012-06-20 | 北京视博数字电视科技有限公司 | License management method and device capable of detecting clone for front-end system |
| CN202364334U (en) * | 2011-10-08 | 2012-08-01 | 北京视博数字电视科技有限公司 | License management device capable of detecting clone and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581211A (en) * | 2014-12-31 | 2015-04-29 | 航天数字传媒有限公司 | Business-based on-demand authentication method and system of satellite digital business |
| CN108848400A (en) * | 2018-06-29 | 2018-11-20 | 冠捷显示科技（厦门）有限公司 | A kind of management method of TV resource |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102938850B (en) | 2018-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100576904C (en) | The method and apparatus that is used for the subsidiary conditions access server | |
| KR100734033B1 (en) | Broadcasting content protection/management system | |
| CN103024474B (en) | Broadcast television content receives safely system, method and the gateway device with distribution | |
| CN102202233B (en) | Video push method, system and terminal equipment | |
| CN101018320A (en) | A digital TV condition receiving system and its encryption method | |
| CN102427561B (en) | Method for preventing VOD (Video-On-Demand) programs from being illegally spread and shared | |
| CN102186101B (en) | Digital home video and service resource protecting method | |
| CN100401769C (en) | Method for enciphering and deciphering living-broadcasting flow-medium data | |
| JP6586205B2 (en) | Method and device for multimedia license distribution in a secure multimedia service distribution system | |
| US20100024043A1 (en) | Method for controlling access to a scrambled digital content | |
| CN101160965A (en) | Method of implementing preview of network TV program, encryption device, copyright center system and subscriber terminal equipment | |
| CN101621379A (en) | Method for realizing digital copyright management system and digital right management system | |
| CN102340702B (en) | IPTV (Internet protocol television) network playing system and rights management and descrambling method based on USB (Universal serial bus) Key | |
| CN101247189B (en) | Receiving terminal and device for terminal implementing service authorization in conditioned receiving system | |
| CN100544238C (en) | A kind of charging method of digital multimedia broadcasting system and Apparatus and system | |
| WO2008077303A1 (en) | A method and system for processing broadcast signal and a receiving terminal of broadcast signal | |
| CN101202883B (en) | System for numeral copyright management of IPTV system | |
| CN103702173A (en) | System of encrypting and controlling digital television recorded program segments | |
| CN101247508B (en) | Method for terminal implementing service authorization in conditioned receiving system | |
| CN102938850A (en) | Method and system for limited authorization for user | |
| CN101442660B (en) | System for receiving download type digital television condition and dynamic download method thereof | |
| JP2006518134A (en) | Pay television systems associated with decoders and smart cards, rights revocation methods in such systems, and messages sent to such decoders | |
| CN101068303A (en) | Hardware enciphering method used for wired television system set-top box | |
| CN103747300B (en) | A kind of condition receiving system for supporting mobile terminal | |
| CN103988513B (en) | For method, encryption system and the security module of the content packet for descrambling digital transport stream |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |