CN101729750A - Implementation method and device of encryption self-adaptation of various digital copyrights in set top box - Google Patents
Implementation method and device of encryption self-adaptation of various digital copyrights in set top box Download PDFInfo
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- CN101729750A CN101729750A CN200810217226A CN200810217226A CN101729750A CN 101729750 A CN101729750 A CN 101729750A CN 200810217226 A CN200810217226 A CN 200810217226A CN 200810217226 A CN200810217226 A CN 200810217226A CN 101729750 A CN101729750 A CN 101729750A
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- encryption system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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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
- H04N21/4627—Rights management associated to the content
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
- H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/062—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying encryption of the keys
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
Abstract
The invention discloses implementation method and device of the encryption self-adaptation of various digital copyrights in a set top box. The method comprises the following steps of: configuring a parameter for each digital copyright encryption system by the set top box; when the set top box is powered on, acquiring the parameter of a current digital copyright encryption system and transmitting the parameter to an initialization interface; initializing a corresponding digital copyright encryption system by the initialization interface according to the parameter; synchronously establishing a connection by a connecting interface with a corresponding digital copyright encryption system server so as to carry out authentication, acquire a decryption key and transmit the decryption key to a decryption interface; establishing a decryption connection by the decryption interface to carry out program decryption; and transmitting a decrypted program to the set top box for playing. The system and the implementation method greatly improve the compatibility of terminals, the resource utilization rate and the matching capacity between various service operation systems, reduce the workload for maintaining different DRM (data rights management) editions and improve the safety of the system.
Description
Technical field
The present invention relates to the field, multimedia terminal, relate in particular to the implementation method and the device of multiple digital publishing rights encryption self-adaptation in a kind of set-top box.
Background technology
Along with development of science and technology, the multimedia terminal product, (Internet Protocol Television: Web TV) terminal equipment such as set-top box can progressively enter huge numbers of families, becomes indispensable part in people's life such as smart mobile phone, palmtop PC and IPTV.The IP set-top box is as a kind of typical multimedia terminal equipment, with its abundant program source, mode of operation easily, the strong multimedia business function, satisfied user's request greatly, but the IPTV set-top box also is in the primary stage of development, also needs constantly perfect.
IPTV just will develop inevitably can face problem of piracy, look audio file and be easy to be intercepted and captured by others in Network Transmission, this just needs DRM (Digital Right Management) is the digital copyright management technology of digital publishing rights encryption system.The purpose of DRM technology is to allow program keep encrypting when transmission over networks, though through the program encrypted by user's download, can can't not play owing to there be the key of deciphering yet, thus tight protection the copyright of program.The development of IPTV will be achieved success, and the DRM technology is a key, because only in this way could protect author's rights and interests, just can further promote the sound development of industry, and Internet resources just can be more and more abundanter.
The integrated of DRM can be divided into the integrated and integrated two parts of terminal of head end in the IPTV system, head end integrated is that the operation system with DRM encryption system and IPTV combines, effect is encrypted original program exactly, is made into program by operation system then and is stored in the Streaming Media or with the multicast form and sends.The integrated process that set-top box receives through the program of encrypting by network after, is decrypted that refers to of terminal.
At present, a plurality of outstanding brands are arranged in the DRM field of encryption in the world, and good occupation rate is all arranged on market, but all be incompatible between each cipher mode.So in the process of IPTV international development, in order to tackle the different demands of operator when using encryption system, its terminal just need be taken into account multiple cipher mode in integrated DRM, but all need to make again version at every kind of DRM type, that brings a lot of troubles to release maintenance undoubtedly, also can increase workload greatly, has reduced the compatibility of terminal, also increase simultaneously the burden of operator, wasted the ample resources of operator.This shows that prior art awaits further developing.
Summary of the invention
The present invention provides the implementation method and the device of multiple digital publishing rights encryption self-adaptation in a kind of set-top box for solving defective of the prior art, and the program that the broadcast DRM of set-top box target was encrypted to improve the compatibility of terminal, improves resource utilization.
For solving the problems of the technologies described above, the present invention program comprises:
A kind of method that realizes multiple digital publishing rights encryption self-adaptation in the set-top box may further comprise the steps:
A, described set-top box are parameter of each digital publishing rights encryption system configuration, obtain the parameter of current digital publishing rights encryption system when described set-top-box opening, and parameter is transferred to initialization interface;
B, described initialization interface be according to parameter initialization corresponding digital encrypted copyright system, described connecting interface synchronously and corresponding digital encrypted copyright system server connect, authenticate and obtain decruption key and it is transferred to the deciphering interface;
C, described deciphering interface are set up the deciphering connection and are carried out program decryption, and the program transmission after will deciphering is play to described set-top box.
Described implementation method, wherein, the parameter that set-top box disposed described in the described steps A is corresponding one by one with the kind of each digital publishing rights encryption system.
Described implementation method, wherein, the parameter that set-top box disposed described in the described steps A is corresponding with the digital publishing rights encryption system of a plurality of kinds.
Described implementation method, wherein, the described set-top box in the described steps A integrates multiple digital publishing rights encryption system.
Described implementation method, wherein, described steps A also comprises: described set-top box is resolved the identification field of current digital publishing rights encryption system to determine the digital publishing rights encryption system kind of current program.
Described implementation method, wherein, described step B also comprises: described set-top box judges whether to support this digital publishing rights encryption system, if not, then disconnects connection.
Described implementation method, wherein, set-top box is play this program by described decoder module described in the described step C.
Described implementation method, wherein, described step C also comprises: when program withdrawed from, described disconnection connecting interface disconnected relative connection.
Multiple digital publishing rights encryption self-adaptation device in a kind of set-top box, comprise connecting interface and deciphering interface, described connecting interface is connected with described deciphering interface communication, and described connecting interface is used to obtain decruption key and sets up by the program of digital publishing rights encryption system encryption and communicating to connect of described deciphering interface; Described deciphering interface is used for the program that described digital copyright protecting encryption system is encrypted is decrypted; Wherein, described device also comprises initialization interface, and described initialization interface and described connecting interface communicate to connect, and described initialization interface is used for selectivity initialization digital publishing rights encryption system;
Decoder module in described deciphering interface and the described set-top box communicates to connect, and described decoder module is used to play respective program.
A plurality of digital publishing rights encryption self-adaptation devices in the described set-top box, wherein, described device also comprises the disconnection connecting interface, and described disconnection connecting interface is connected with described connecting interface, described deciphering interface communication respectively, and described disconnection connecting interface is used for disconnecting and connects.
The implementation method and the device of multiple digital publishing rights encryption self-adaptation in a kind of set-top box provided by the invention, arrangement with the reasonable science of each interface, the program that the broadcast DRM of set-top box target was encrypted, improved the compatibility of terminal greatly, improved resource utilization, improve the matching capacity between each business operation system, reduced the workload of safeguarding different DRM versions, improved the fail safe of system.
Description of drawings
Fig. 1 is the interior adaptive schematic flow sheet of multiple DRM of set-top box among the present invention;
Fig. 2 is the interior adaptive apparatus structure schematic diagram of multiple DRM of set-top box among the present invention.
Embodiment
Below with reference to accompanying drawing, comparatively detailed explanation is carried out in each preferred embodiment of the present invention.
The implementation method and the device of multiple digital publishing rights encryption self-adaptation in a kind of set-top box provided by the invention, arrangement with the reasonable science of each interface, the program that the broadcast DRM of set-top box target was encrypted has improved the compatibility of terminal greatly, has improved resource utilization.The self adaptation of so-called multiple DRM cipher mode, be meant that described STB terminal can support multiple DRM decipher function simultaneously, when described set-top box is play ciphered program, after described set-top box is obtained the information of program, parse current program and encrypt by the sort of DRM mode and form, decipher the back then accordingly and play.The head end encryption device of digital publishing rights encryption system is an important component part of operation system, is formed by the sort of DRM encryption so described STB terminal can be discerned a program.In the time of described set-top box broadcast program, all can obtain the link of a programme information from operation system, the identification field parameter DRMtype that comprises a DRM kind in this link distinguishes different DRM kinds.
The device of multiple digital publishing rights encryption self-adaptation in the set-top box, as shown in Figure 2, comprise connecting interface 203, disconnect connecting interface 204 and deciphering interface 205, described connecting interface 203 communicates to connect with described deciphering interface 205, described disconnection connecting interface 204 communicates to connect with described connecting interface 203, described deciphering interface 205 respectively, and described connecting interface 203 is used to obtain decruption key and sets up by the program of digital publishing rights encryption system encryption and communicating to connect of described deciphering interface 205; Described deciphering interface 205 is used for the program that described digital copyright protecting encryption system is encrypted is decrypted; Described disconnection connecting interface 204 is used for disconnecting and connects; Wherein, described system also comprises at least one initialization interface 201, and described initialization interface and described connecting interface 203 communicate to connect, and described initialization interface 201 is used for the described digital publishing rights encryption system of selectivity initialization; Decoder module 206 communication linkages of described deciphering interface 205 and described set-top box, described decoder module 206 is used to play respective program; And the present invention is integrated into multiple DRM encryption system in the same described set-top box.This shows that the present invention has improved the compatibility of terminal greatly, improved the matching capacity between each business operation system.
The method that realizes multiple digital publishing rights encryption self-adaptation in the above-mentioned set-top box may further comprise the steps:
A, described set-top box are parameter DRMtype of each DRM configuration, obtain the parameter DRMtype of current DRM when described set-top-box opening, and parameter DRMtype is transferred to described initialization interface 201; Described set-top box is for a parameter DRMtype of each DRM configuration can be corresponding one by one with each DRM kind, also can be that a DRMtype disposing of set-top box is corresponding with the DRM of a plurality of kinds;
B, described initialization interface 201 be according to parameter DRMtype initialization corresponding D RM, described connecting interface 203 synchronously and corresponding D RM server connect, authenticate and obtain decruption key and it is transferred to described deciphering interface 205;
C, described set-top box are resolved the identification field of current DRM to determine the DRM kind of current program, judge then whether described set-top box supports this DRM kind, if not, then described disconnection connecting interface 204 disconnects and connecting; If yes, then change steps d over to;
D, if described set-top box is supported this DRM kind, then described deciphering interface 205 is set up deciphering and is connected and carries out program decryption, and the program transmission after will deciphering is play to the described decoder module 206 in the described set-top box;
E, if program be the unencrypted program, the described decoder module 206 in the then described set-top box is play-overed this program;
Described disconnection connecting interface 204 disconnected and connecting when program that f, process DRM encrypt or unencrypted program withdrawed from.By above-mentioned flow processing, improved resource utilization, reduced the workload of safeguarding different DRM versions, improved the fail safe of system.
In order further to set forth the present invention, now with described set-top box integrated the DRM of three types of h, j and k be that example describes, described set-top box is multiple DRM configuration parameter DRMtypr, and the corresponding relation between the DRM type of current support in the value of DRMtype and the described set-top box is done as giving a definition: DRM is not supported in 0 expression; 1 expression h, 2 expression j, 3 expression k, 4 expression h﹠amp; J promptly supports h and j, 5 expression h﹠amp simultaneously; J﹠amp; K promptly supports h, j and k simultaneously, and according to above-mentioned rule, corresponding relation can increase according to demand; As shown in Figure 1, the adaptive flow process of multiple DRM may further comprise the steps among the present invention:
Step 101: suppose to have in the present operation system h and two kinds of DRM of j, it is 4 that the DRMtype parameter in the then described set-top box is set to, described set-top-box opening initialization;
Step 102: the value that obtains DRMtype when described set-top-box opening reads configuration file is 4, the DRM type that obtains current support by this value is h and j, call in the described system initialization interface of h and j respectively and carry out the initialization of DRM model and authenticate, required key and it is transferred to described deciphering interface when obtaining the enabling decryption of encrypted program simultaneously with the DRM server;
Step 103: during user's broadcast program, after described set-top box obtains the link of program, analyze the DRM indication field in the link, described set-top box obtains the encryption type n of this program;
If n=0 represents that current program is the unencrypted program, then enters step 106 and directly plays;
If n=h represents that current program is the program of encrypting through h kind DRM, then enters step 104;
If n=j represents that current program is the program of encrypting through j kind DRM, then enters step 104;
If the n value is other situations, then enter step 107;
Step 104: the connecting interface of described system call h kind is set up decryption channel with the deciphering interface; The connecting interface of perhaps described system call j kind is set up decryption channel with the deciphering interface;
Step 105: this program transmission after described system is decrypted and will deciphers the program of encrypting through DRM is in described set-top box;
Step 106: the described decoder module in the described set-top box is decoded to this program after deciphering and is play;
Step 107: the user withdraws from when playing, and the described disconnection connecting interface of described system call disconnects and connecting, and closes decryption channel.By the processing of above-mentioned flow process, make operator make full use of existing resource, improved the fail safe of system.
In sum, the invention provides the implementation method and the device of multiple digital publishing rights encryption self-adaptation in a kind of set-top box, arrangement with the reasonable science of each interface, the program that the broadcast DRM of set-top box target was encrypted, improved the compatibility of terminal greatly, improved resource utilization, improved the matching capacity between each business operation system, made terminal can play the program that various DRM encrypt; Need not make different versions, reduce the workload of safeguarding different DRM versions at every kind of DRM cipher mode; Operator makes full use of existing resource, can use different DRM encryption technologies, the fail safe that has further improved system in operation system.
Should be understood that; above-mentioned description at preferred embodiment is comparatively detailed; can not therefore think restriction to scope of patent protection of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; do not breaking away under the scope situation that claim of the present invention protects; can also make various deformation such as replacement, simple combination, these all fall within protection scope of the present invention, and the scope of asking for protection of the present invention should be as the criterion with claims.
Claims (10)
1. method that realizes multiple digital publishing rights encryption self-adaptation in the set-top box may further comprise the steps:
A, described set-top box are parameter of each digital publishing rights encryption system configuration, obtain the parameter of current digital publishing rights encryption system when described set-top-box opening, and parameter is transferred to initialization interface;
B, described initialization interface be according to parameter initialization corresponding digital encrypted copyright system, described connecting interface synchronously and corresponding digital encrypted copyright system server connect and authenticate, obtain decruption key and it be transferred to the deciphering interface;
C, described deciphering interface are set up the deciphering connection and are carried out program decryption, and the program transmission after will deciphering is play to described set-top box.
2. implementation method according to claim 1 is characterized in that, the parameter that set-top box disposed described in the described steps A is corresponding one by one with the kind of each digital publishing rights encryption system.
3. implementation method according to claim 1 is characterized in that, the parameter that set-top box disposed described in the described steps A is corresponding with the digital publishing rights encryption system of a plurality of kinds.
4. according to claim 2 or 3 described implementation methods, it is characterized in that the described set-top box in the described steps A integrates multiple digital publishing rights encryption system.
5. implementation method according to claim 1 is characterized in that, described steps A also comprises: described set-top box is resolved the identification field of current digital publishing rights encryption system to determine the digital publishing rights encryption system kind of current program.
6. implementation method according to claim 1 is characterized in that, described step B also comprises: described set-top box judges whether to support this digital publishing rights encryption system, if not, then disconnects connection.
7. implementation method according to claim 1 is characterized in that set-top box is play this program by described decoder module described in the described step C.
8. implementation method according to claim 1 is characterized in that, described step C also comprises: when program withdrawed from, described disconnection connecting interface disconnected relative connection.
9. multiple digital publishing rights encryption self-adaptation device in the set-top box, comprise connecting interface and deciphering interface, described connecting interface is connected with described deciphering interface communication, and described connecting interface is used to obtain decruption key and sets up by the program of digital publishing rights encryption system encryption and communicating to connect of described deciphering interface; Described deciphering interface is used for the program that described digital copyright protecting encryption system is encrypted is decrypted; It is characterized in that described device also comprises initialization interface, described initialization interface and described connecting interface communicate to connect, and described initialization interface is used for selectivity initialization digital publishing rights encryption system;
Decoder module in described deciphering interface and the described set-top box communicates to connect, and described decoder module is used to play respective program.
10. a plurality of digital publishing rights encryption self-adaptation devices in the set-top box according to claim 1, it is characterized in that, described device also comprises the disconnection connecting interface, described disconnection connecting interface is connected with described connecting interface, described deciphering interface communication respectively, and described disconnection connecting interface is used for disconnecting and connects.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810217226A CN101729750A (en) | 2008-10-27 | 2008-10-27 | Implementation method and device of encryption self-adaptation of various digital copyrights in set top box |
| PCT/CN2009/074638 WO2010048879A1 (en) | 2008-10-27 | 2009-10-27 | Method and apparatus for right encryption in set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810217226A CN101729750A (en) | 2008-10-27 | 2008-10-27 | Implementation method and device of encryption self-adaptation of various digital copyrights in set top box |
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| Publication Number | Publication Date |
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| CN101729750A true CN101729750A (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810217226A Pending CN101729750A (en) | 2008-10-27 | 2008-10-27 | Implementation method and device of encryption self-adaptation of various digital copyrights in set top box |
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| Country | Link |
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| CN (1) | CN101729750A (en) |
| WO (1) | WO2010048879A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316378A (en) * | 2011-09-23 | 2012-01-11 | 清华大学深圳研究生院 | Digital copyright protection method based on set-top box and system |
| CN103491396A (en) * | 2013-09-11 | 2014-01-01 | 辽源市信长城信息技术研发有限公司 | Intelligent set top box with digital right management mechanism and information security mechanism |
| CN106851351A (en) * | 2015-12-03 | 2017-06-13 | 国家新闻出版广电总局广播科学研究院 | One kind supports digital copyright management（DRM）WMG/terminal realizing method and its equipment |
| CN111757176A (en) * | 2020-06-11 | 2020-10-09 | 青岛海信传媒网络技术有限公司 | Streaming media file safe playing method and display equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030126086A1 (en) * | 2001-12-31 | 2003-07-03 | General Instrument Corporation | Methods and apparatus for digital rights management |
| KR100692589B1 (en) * | 2005-01-06 | 2007-03-13 | 삼성전자주식회사 | Content player and playing method and mobile code providing device and providing method be applied to DRM system |
| US20090328230A1 (en) * | 2006-04-21 | 2009-12-31 | Young-Bae Byun | Method and apparatus for playing digital contents processed with drm tools |
| CN101110675B (en) * | 2007-08-29 | 2011-12-28 | 北京数码视讯科技股份有限公司 | Method implementing compatibility among different digital publication right management systems |
-
2008
- 2008-10-27 CN CN200810217226A patent/CN101729750A/en active Pending
-
2009
- 2009-10-27 WO PCT/CN2009/074638 patent/WO2010048879A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316378A (en) * | 2011-09-23 | 2012-01-11 | 清华大学深圳研究生院 | Digital copyright protection method based on set-top box and system |
| CN102316378B (en) * | 2011-09-23 | 2014-10-22 | 清华大学深圳研究生院 | Digital copyright protection method based on set-top box and system |
| CN103491396A (en) * | 2013-09-11 | 2014-01-01 | 辽源市信长城信息技术研发有限公司 | Intelligent set top box with digital right management mechanism and information security mechanism |
| CN106851351A (en) * | 2015-12-03 | 2017-06-13 | 国家新闻出版广电总局广播科学研究院 | One kind supports digital copyright management（DRM）WMG/terminal realizing method and its equipment |
| CN106851351B (en) * | 2015-12-03 | 2018-02-27 | 国家新闻出版广电总局广播科学研究院 | One kind supports digital copyright management（DRM）WMG/terminal realizing method and its equipment |
| CN111757176A (en) * | 2020-06-11 | 2020-10-09 | 青岛海信传媒网络技术有限公司 | Streaming media file safe playing method and display equipment |
| CN111757176B (en) * | 2020-06-11 | 2021-11-30 | 青岛海信传媒网络技术有限公司 | Streaming media file safe playing method and display equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010048879A1 (en) | 2010-05-06 |
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Application publication date: 20100609 |