CN101014038B - Generating and obtaining method and system of copyright object - Google Patents
Generating and obtaining method and system of copyright object Download PDFInfo
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- CN101014038B CN101014038B CN2007100045996A CN200710004599A CN101014038B CN 101014038 B CN101014038 B CN 101014038B CN 2007100045996 A CN2007100045996 A CN 2007100045996A CN 200710004599 A CN200710004599 A CN 200710004599A CN 101014038 B CN101014038 B CN 101014038B
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Abstract
The invention provides one copyright subject generation and get method and system, which comprises the following steps: using one copyright generation and get as one business function or business supportive function and using copyright distribution center as one application servo or to process one supportive part for distribution in fully use of IMS current part and work mechanism to optimize copyright subject generation and get method. The invention also discloses one copyright distribution center.
Description
Technical field
The embodiment of the invention relates to the communications field, relates in particular to a kind of generation and acquisition methods, system and copyright issue center of right objects.
Background technology
Streaming media service is a kind of new business that develops rapidly in recent years, and streaming media service utilization stream transmission technology is transmitted multimedia file on packet network, comprise file contents such as video, audio frequency.These multimedia files need not just to download fully and can play immediately when visit.The key technology that streaming media service is realized is transmitted technology exactly as a stream, and the stream transmission technology is that continuous video and audio-frequency information are put Website server after treatment, allow the user watch, to listen to, and whole file such as do not need to download to the network transmission technology that just can watch behind the own machine while downloading.
The IP Multimedia System (IMS) of 3GPP R5/R6 standard definition adopts the bearer path of IP packet domain as control signaling and media delivery, it adopts Session Initiation Protocol (Session Initiation Protocol, session initiation protocol), realized that the three that service management, session control and carrying insert separates as call control signalling.
Carry out streaming media service based on IMS, can make full use of the existing characteristics of IMS network, reuse the function in the IMS network architecture,, charge etc., thereby make streaming media service efficiently to carry out apace as authentication.
The protection of multimedia file content is to need an important aspect considering in the streaming media service.And the important means that realizes the multimedia file content protecting is DRM (Digital Rights Management, digital copyright management).DRM is sent to terminal respectively by the multimedia file content and the right objects of will encrypt, for operator provides more abundant content management means and more profit model, wherein right objects comprises the encryption key of user's subscription authority and multimedia file content.Because right objects has comprised the encryption key of multimedia file content, so the generation of right objects is obtained most important with safety.
When terminal is obtained right objects to copyright issue center requests, need authenticate to copyright issue center.In the DRM system, the authentication of right objects and obtain agreement and be generally ROAP (Rights ObjectAcquisition Protocol, rights object acquisition protocol).Also do not obtain at present the scheme of right objects by the IMS network.
Summary of the invention
The embodiment of the invention provides a kind of generation and acquisition methods and system of right objects, makes to obtain right objects by the IMS network.
The technical scheme of the embodiment of the invention comprises:
A kind of generation of right objects and acquisition methods may further comprise the steps:
Copyright issue center obtains terminal online information by IP Multimedia System IMS, determine that described terminal is online after, obtain the service authority information that the pairing user of this terminal contracts;
Copyright issue center generates right objects, and described right objects is issued to described terminal;
Wherein, the described copyright center of issuing comprises by the process that IMS obtains terminal online information:
Mode by third-party registration obtains, and described third-party registration is to carry out third-party registration by the service call conversation control function CSCF GC group connector among the IMS to copyright issue center; Perhaps,
Obtain by the presence server that links to each other with the IMS network.
A kind of generation of right objects and acquisition methods may further comprise the steps:
Proxy Call Session Control Function CSCF receives the request message that obtains right objects of self terminal, and passes on this request message to serving CSCF;
Serving CSCF arrives application server to the described request message trigger that receives;
Application server is transmitted to copyright issue center with this request message and handles;
Copyright issue center receives and obtains the request message of right objects, and obtains the service authority information that the pairing user of this terminal contracts; Generate right objects, described right objects is issued to described terminal.
A kind of generation of right objects with obtain system, comprise copyright issue center and terminal, it also comprises Proxy Call Session Control Function CSCF, serving CSCF and service configuration information server, wherein,
This proxy CSCF is used to receive the request message that obtains right objects of self terminal, and forwards the request to serving CSCF;
The described request that this serving CSCF is used for receiving is triggered to copyright issue center and handles;
This service configuration information server is connected with serving CSCF with described copyright issue center respectively, is used to store relevant service configuration information;
This copyright issue center is used to receive the request of obtaining right objects, generates right objects, and is handed down to terminal.
A kind of generation of right objects with obtain system, it comprises copyright issue center and terminal, it also comprises proxy CSCF, serving CSCF, application server and service configuration information server, wherein,
This proxy CSCF is used to receive the request message that obtains right objects of self terminal, and passes on that this asks serving CSCF;
This serving CSCF is used for the described request that receives is triggered to application server;
This application server is used for that this request is transmitted to copyright issue center to be handled, and other information that application server also is used for trigger object, right objects and service request that copyright issue center is generated and returns return to terminal together;
This service configuration information server is connected with this application server, serving CSCF and copyright issue center respectively, is used to store relevant service configuration information;
This copyright issue center is used to receive the request of obtaining right objects as the business support entity that application server supports, and generates right objects and is handed down to terminal.
In the embodiment of the invention, copyright issue center obtains user's request or user online status by IMS, the generation of right objects is realized with obtaining as a kind of business function or business support function, copyright issue center is disposed as the business support entity that an application server or application server support, thereby made full use of existing entity and working mechanism in the IMS network, optimized the generation of right objects and the method and system that obtains; Its easy to implement and simple general-purpose.
Description of drawings
Fig. 1 is the generation and the network architecture diagram of obtaining system of first embodiment of the invention right objects;
Fig. 2 is the generation and the network architecture diagram of obtaining system of second embodiment of the invention right objects;
Fig. 3 is the generation and the network architecture diagram of obtaining system of third embodiment of the invention right objects;
Fig. 4 is the generation of first embodiment of the invention right objects and the process schematic diagram of acquisition methods;
Fig. 5 is the generation of second embodiment of the invention right objects and the process schematic diagram of acquisition methods;
Fig. 6 is the generation of third embodiment of the invention right objects and the process schematic diagram of acquisition methods;
Fig. 7 is the generation of fourth embodiment of the invention right objects and the process schematic diagram of acquisition methods;
Fig. 8 is the generation of fifth embodiment of the invention right objects and the process schematic diagram of acquisition methods;
Fig. 9 is the generation of sixth embodiment of the invention right objects and the process schematic diagram of acquisition methods.
Embodiment
Because session control and service management are separated in the IMS network, make professional deployment and use very convenient, therefore the embodiment of the invention realizes the generation of right objects with obtaining as a kind of business function or business support function, thereby copyright issue center is disposed as the business support entity that an application server or application server support, thereby made full use of the existing entity and the working mechanism of IMS network.
See also Fig. 1, the generation of first embodiment of the invention right objects with obtain system copyright issued the center as an application server, the request of obtaining right objects that receives is provided, generate right objects and be handed down to the business function of terminal.The generation of first embodiment of the invention right objects comprises copyright issue center 110 with the system that obtains, home subscriber server 120, serving CSCF (Call Session Control Function, CSCF) 130, proxy CSCF 140 and terminal 150, terminal 150 sends to the request message that obtains right objects at copyright issue center 110, arrive serving CSCF 130 by proxy CSCF 140, serving CSCF 130 is triggered to copyright issue center to this request according to triggering rule through ISC interface and handles, this copyright issue center 110 also is connected with this home subscriber server 120 respectively with serving CSCF 130, and this home subscriber server 120 is used to store relevant service configuration information.Link to each other through the I2 interface between this copyright issue center 110 and the terminal 150, link to each other through Sh interface between copyright issue center 110 and the home subscriber server 120.This I2 interface is the interface between copyright issue center and the terminal in the traditional DRM system, and this I2 interface adopts the ROAP agreement.
See also Fig. 2, the generation of second embodiment of the invention right objects with obtain system the copyright center of issuing disposed as the business support entity that application server supports, it provides the request of obtaining right objects that receives, generate right objects and be handed down to the business function of terminal, the main distinction of this second embodiment and first embodiment is: the request of obtaining right objects of terminal is forwarded to copyright through application server and issues the center.Application server is in the rights object acquisition request and the response of transmitting on the I1 interface between terminal and the copyright issue center, and the authority of contracting to home subscriber server request user on Sh interface in copyright issue center is used to generate right objects.
The generation of second embodiment of the invention right objects comprises copyright issue center 110, application server 160, home subscriber server 120, serving CSCF 130, proxy CSCF 140 and terminal 150 with the system that obtains.Terminal 150 sends to the message of obtaining right objects at copyright issue center 110, arrive serving CSCF 130 by proxy CSCF 140, serving CSCF 130 is triggered to application server 160 to this request according to triggering rule through ISC interface, application server 160 should be asked to be transmitted to copyright issue center 110 through the I1 interface and be handled, application server 160 can be issued copyright the trigger object that center 110 generates and returns, other information in right objects and the service request return to terminal 150 together, this application server 160, serving CSCF 130 also is connected with home subscriber server 120 respectively with copyright issue center 110, and this home subscriber server 120 is used to store relevant service configuration information.Link to each other through the I3 interface between this application server 160 and the terminal 150, terminal 150 can directly be passed through the I3 interface to application server 160 requested services; Link to each other through Sh interface between copyright issue center 110 and the home subscriber server 120; Link to each other through the I2 interface between copyright issue center 110 and the terminal 150, this I2 interface is the interface between copyright issue center and the terminal in the traditional DRM system, this I2 interface employing ROAP agreement.
The generation of first and second embodiment right objects of the present invention and the triggering rule of obtaining the right objects that the described triggering rule of system contracts for the user, perhaps default triggering rule.
See also Fig. 3, the generation of third embodiment of the invention right objects is that with generation of obtaining the system and the first embodiment right objects and the difference of obtaining system it also is included in presence server 170, this presence server 170 is connected with terminal 150 with copyright issue center 110, home subscriber server 120, serving CSCF 130 respectively, and this presence server 170 is used to obtain the user's online state and notifies copyright issue center.
The generation of the present invention first and second and the right objects of three embodiment is to be used to store relevant service configuration information with the home subscriber server in obtaining system, therefore this home subscriber server also can be replaced by independent database that stores relevant service configuration information or the application server that stores relevant service configuration information, and above-mentioned home subscriber server, independent database and described application server can be referred to as the service configuration information server.This service configuration information server can be integrated in one with the application server that is used to provide professional.
The following describes the generation of right objects of the present invention and two embodiment of acquisition methods, first embodiment is endpoint registration success, and serving CSCF is after the third-party registration success is carried out at copyright issue center, and copyright issue center pushes right objects and gives terminal.Second embodiment gives terminal for copyright issue center issues the trigger object, and triggering terminal is to copyright issue center requests right objects; Perhaps copyright issue center does not issue the trigger object, and terminal is received active request right objects behind the Media Stream.
In the IMS network architecture, between terminal and the agency/serving CSCF, between serving CSCF and the application server, use Session Initiation Protocol,, can expand Session Initiation Protocol and finish obtaining of right objects for generation and the acquisition methods of realizing right objects of the present invention.Also can encapsulating ROAP message into, the SIP tunnel transmits.
When the expansion Session Initiation Protocol obtained right objects, the concrete mode of expansion can be for increasing a new SIP header field, as new ROAP header field; Perhaps increase new content type (Content-Type),, thereby show it is a message relevant with obtaining right objects as Content-Type:application/roap.Different ROAP message can be used the method for different expansion Session Initiation Protocol, as the login request message of terminal to copyright issue center, can carry out third-party registration by serving CSCF to copyright issue center and realize behind endpoint registration; The request that terminal is obtained right objects to copyright issue center can be replied and can adopt circular (NOTIFY) method accordingly by the expansion method for subscribing.Copyright issue center pushes right objects and can adopt message (MESSAGE) or INFO (INFAMATION, announcement) method for terminal.
When using Session Initiation Protocol encapsulation ROAP message to obtain right objects, can be a kind of new content type of ROAP message as Session Initiation Protocol, be set to as the Content-Type of SIP header field: Content-Type:application/roap.
Describe the generation of embodiment of the invention right objects and the embodiment of acquisition methods below in detail.
See also Fig. 4, the generation of first embodiment of the invention right objects and acquisition methods are applicable to the generation of the first embodiment of the invention and the second embodiment right objects and obtain system that this method may further comprise the steps:
A1, user subscribe to certain streaming media service, and relevant service configuration information stores home subscriber server into.Wherein filtering rule comprises the triggering rule of business when obtaining right objects: when copyright issue center was provided with as an application server, definition was triggered to copyright issue center with the right objects request; When copyright issue center was deployed as business support entity of application server, definition was triggered to this business corresponding application server with the right objects request;
A2, terminal are carried out authentication registration, and this process is identical with normal registration process;
When a3, endpoint registration, initial filter criteria is downloaded to serving CSCF;
A4, serving CSCF carry out third-party registration to copyright issue center;
The service authority information that mind-set home subscriber server request user contracts in a5, the copyright issue is carried the service identification that user ID and user contract in the message, home subscriber server returns the service authority information that the user contracts then;
A6, the service authority information of contracting according to the user, and the encryption key of content, copyright issue center generates right objects;
The encryption key of foregoing may directly be stored in copyright issue center, also may be stored in a KMC, depends on the Managed Solution of key, and when being stored in copyright issue center, copyright issue center directly obtains from this locality according to content identification; When being stored in KMC, content identification is carried at copyright issue center, inquires about the encryption key of this professional content to KMC;
A7, copyright issue center directly push right objects and give terminal, and when copyright issue center was provided with as an application server, this right objects was transmitted through serving CSCF and proxy CSCF; When copyright issue center was deployed as business support entity of application server, this right objects was through application server, and serving CSCF and proxy CSCF are transmitted, and copyright issue center pushes right objects and can adopt MESSAGE or INFO method for terminal.
First embodiment of the invention also can send the trigger object to terminal by copyright issue center after step a4, terminal is by sip message then, and perhaps terminal directly and between the copyright issue center is carried out obtaining of right objects by the ROAP agreement.
See also Fig. 5, the generation of second embodiment of the invention right objects and acquisition methods are applicable to the generation of the first embodiment of the invention and the second embodiment right objects and obtain system that this method may further comprise the steps:
B1, user subscribe to certain streaming media service, and relevant service configuration information stores home subscriber server into.Wherein filtering rule comprises the triggering rule of business when obtaining right objects: when copyright issue center was provided with as an application server, definition was triggered to copyright issue center with the right objects request; When copyright issue center was deployed as business support entity of application server, definition was triggered to this business corresponding application server with the right objects request;
B2, terminal are carried out authentication registration, and this process is identical with normal registration process;
When b3, endpoint registration, initial filter criteria is downloaded to serving CSCF;
B4, serving CSCF carry out third-party registration to copyright issue center;
If b5 copyright issue center finds the streaming media service that this user subscribes to and need issue right objects, copyright issue center can send the trigger object to terminal, and whether copyright issue center sends the trigger object, depends on concrete realization;
B6, terminal request right objects, this request arrives serving CSCF through proxy CSCF; If copyright issue center has sent the trigger object to terminal among the step b5, then terminal is directly initiated the request of obtaining right objects; If copyright issue center does not send the trigger object among the step b5, then terminal may trigger the request of obtaining right objects when receiving Media Stream; Obtain the request of right objects, can adopt the Session Initiation Protocol method for subscribing to realize; That is to say that in this step, terminal both can also can self initiate to ask right objects on one's own initiative according to initiating the request right objects from the trigger object at copyright issue center;
B7, according to initial filter criteria, the request of obtaining right objects is triggered to copyright issue center;
The service authority information that mind-set home subscriber server request user contracts in b8, the copyright issue is carried the service identification that user ID and user contract in the message, home subscriber server returns the service authority information that the user contracts then;
B9, the service authority information of contracting according to the user, and the encryption key of content, copyright issue center generates right objects;
The encryption key of content may directly be stored in copyright issue center, also may be stored in a KMC, depends on the Managed Solution of key.When being stored in copyright issue center, copyright issue center directly obtains from this locality according to content identification; When being stored in KMC, content identification is carried at copyright issue center, inquires about the encryption key of this professional content to KMC;
B10, copyright issue center directly push right objects and give terminal, and when copyright issue center was provided with as an application server, this right objects was transmitted through serving CSCF and proxy CSCF; When copyright issue center was deployed as business support entity of application server, this right objects was through application server, and serving CSCF and proxy CSCF are transmitted, and when issuing right objects, can adopt the circular NOTIFY method of Session Initiation Protocol.
In addition, for embodiment illustrated in fig. 5, also can there be step b4 and b5, that is to say that direct execution in step b6 after the step b3 is after promptly terminal is landed registration in IMS, initiatively initiate the request right objects by IMS, continue to carry out steps such as follow-up b7 afterwards to copyright issue center.
The generation of first and second embodiment right objects of the present invention and acquisition methods have made full use of between serving CSCF and the application server and have carried out the professional working mechanism that triggers by triggering rule, and behind the endpoint registration, serving CSCF can carry out the mechanism of third-party registration to application server, copyright issue center is deployed as the support entity of an application server or application server, realize ROAP message or, realize obtaining of right objects by the expansion Session Initiation Protocol with Session Initiation Protocol encapsulation ROAP message.Thereby provide a kind of simple general-purpose, the generation of right objects easy to implement and acquisition methods.
See also Fig. 6, the generation and the acquisition methods of third embodiment of the invention right objects may further comprise the steps:
C1, terminal send user's request by the IMS network to application server, and this user's request can be requested service or request trigger object;
After c2, application server were determined described terminal request trigger object, proxy terminal was to copyright issue center requests trigger object;
If what application server received is the trigger object requests, then determine described terminal request trigger object according to the described request that receives;
If what application server received is requested service, then application server can judge whether according to the attribute of indication of carrying in the terminal request or user institute requested service needs its to copyright issue center requests trigger object, if desired, then to copyright issue center requests trigger object;
C3, copyright issue center are returned the trigger object and are given application server;
C4, application server return the trigger object by the IMS network and give terminal; This trigger object can be transmitted by the response message of user's request, also can be by independently sip message forwarding, as MESSAGE or INFO etc.
C5, terminal are issued the center requests right objects according to the trigger object of receiving to copyright;
C6, copyright issue center obtain behind the request message of right objects to home subscriber server request user signing contract information, carry the service identification that user ID and user contract in the message, and home subscriber server returns the service authority information that the user contracts then;
C7, copyright issue center generate right objects;
C8, terminal and copyright issue center are mutual, obtain right objects.
The terminal of third embodiment of the invention is by sip message, and perhaps terminal directly and between the copyright issue center is carried out obtaining of right objects by the ROAP agreement.
See also Fig. 7, the generation and the acquisition methods of fourth embodiment of the invention right objects may further comprise the steps:
D1, terminal send user's request by the IMS network to application server, and this user's request can be requested service or request right objects;
After d2, application server were determined described terminal request right objects, proxy terminal was to copyright issue center requests right objects;
If what application server received is the right objects request, then determine described terminal request trigger object according to the described request that receives;
If what application server received is requested service, then application server can judge whether according to the attribute of indication of carrying in the terminal request or user institute requested service needs its to copyright issue center requests right objects, if desired, then to copyright issue center requests right objects;
D3, copyright issue center obtain behind the request message of right objects to home subscriber server request user signing contract information, carry the service identification that user ID and user contract in the message, and home subscriber server returns the service authority information that the user contracts then;
D4, copyright issue center generate right objects;
D5, copyright issue center are returned right objects and are given application server;
D6, application server are given terminal by IMS forwarded right objects.This right objects can be transmitted by the response message of user's request, also can be by independently sip message forwarding, as MESSAGE or INFO etc.
The generation of the present invention's the 5th, six embodiment right objects and acquisition methods are applicable to the generation of third embodiment of the invention right objects and obtain system, this method mainly is to notify copyright issue center to issue right objects or trigger object for the user by the presence server, and it comprises:
Copyright issue center obtains user online status by IMS in the mode of third-party registration, or mind-set presence server booking reader's presence in the copyright issue; After the user reached the standard grade, copyright issue center obtained notice;
Copyright issue center generates right objects or trigger object, and sends terminal to.
Described third-party registration is that the serving CSCF GC group connector carries out third-party registration to copyright issue center.
Describe the presence of mind-set presence server booking reader in the copyright issue below in detail; After the user reached the standard grade, copyright issue center obtained the embodiment of notice.
See also Fig. 8, the generation and the acquisition methods of fifth embodiment of the invention right objects specifically may further comprise the steps:
E1, copyright issue center requests user's online state;
E2, the presence server that links to each other with the IMS network return the user's online state, suppose in this example that the current state of user is not for online;
E3, notice presence server user reach the standard grade; The presence server obtains the online information of user by certain mode, and as passing through third-party registration, perhaps terminal is directly upgraded user state information on the presence server;
After e4, presence server obtain user's online message, can be by the presence of SIP Notify message informing copyright issue central user, inform that promptly copyright issue central user reaches the standard grade;
The service authority information that mind-set home subscriber server request user contracts in e5, the copyright issue;
E6, copyright issue center generate right objects;
E7, copyright issue center issue right objects, can issue by the IMS network when issuing, and also can pass through the I2 interface, issue by the ROAP agreement.
In e1 and e2 step, copyright issue center and presence server interaction obtain the user's online state information, can realize by SIP Subscribe/Notify message.
See also Fig. 9, the generation and the acquisition methods of sixth embodiment of the invention right objects specifically may further comprise the steps:
F1, copyright issue center requests user's online state;
F2, the presence server that links to each other with the IMS network return the user's online state, suppose in this example that the current state of user is not for online;
F3, notice presence server user reach the standard grade; The presence server obtains the online information of user by certain mode, and as passing through third-party registration, perhaps terminal is directly upgraded user state information on the presence server;
After f4, presence server obtain user's online message, can be by the presence of SIP Notify message informing copyright issue central user, inform that promptly copyright issue central user reaches the standard grade;
F5, copyright issue center are returned the trigger object and are given terminal;
F6, terminal are according to the trigger object of receiving, to copyright issue center requests right objects;
F7, copyright issue center obtain the service authority information of contracting to home subscriber server request user behind the request message of right objects;
F8, copyright issue center generate right objects;
F9, copyright issue center issue right objects, can issue by the IMS network when issuing, and also can pass through the I2 interface, issue by the ROAP agreement.When issuing by the IMS network, right objects can be sent to terminal according to the described reverse path of obtaining the right objects request message, also can be issued to terminal by sip message independently.
In f1 and f2 step, copyright issue center and presence server interaction obtain the user's online state information, can realize by SIP Subscribe/Notify message.
The generation of the right objects of the present invention first to six embodiment is to be used to store relevant service configuration information with the home subscriber server in the acquisition methods, therefore this home subscriber server also can be replaced by independent database that stores relevant service configuration information or the application server that stores relevant service configuration information, and above-mentioned home subscriber server, independent database and described application server can be referred to as the service configuration information server.This service configuration information server can be integrated in one with the application server that is used to provide professional.
Below do 2 explanations:
One, in the embodiment of the generation of above-mentioned right objects and acquisition methods,, can judge the content of this trigger object, and carry out corresponding operating according to this particular content if terminal is received the trigger object.For example, if terminal receives is registration trigger object, then register to copyright issue center; If what terminal was received is the trigger object that obtains right objects, then to copyright issue center requests right objects.Because above embodiment has only related to and has obtained right objects, the therefore description of having omitted terminal judges trigger contents of object, and the acquiescence terminal has been received the trigger object that obtains right objects.
Two, in all embodiment of the generation of above-mentioned right objects and acquisition methods, when copyright issue center sends right objects to terminal, both can send to described terminal according to the ROAP protocol interface, also can send to described terminal by IMS.
In sum, for Fig. 4,5,8,9 illustrated embodiments, copyright issue center obtains terminal online information by IMS, determine that described terminal is online after, obtain the service authority information that the pairing user of this terminal contracts by described IMS again; Generate right objects, described right objects is issued to described terminal.For online information, can obtain by the mode of third-party registration as Fig. 4 Fig. 5, this third-party registration is to carry out third-party registration by the serving CSCF GC group connector among the IMS to copyright issue center; Perhaps, obtain as Fig. 8 Fig. 9 by the presence server.
In addition, for embodiment illustrated in fig. 5, terminal is landed registration in IMS after, can initiatively initiate the request right objects by IMS to copyright issue center, continue to carry out subsequent step afterwards, at this moment, do not need copyright issue center to know whether terminal is online, its prerequisite with Fig. 6,7 illustrated embodiments is identical.
For Fig. 6,7 illustrated embodiments, copyright issue center obtains the request message of right objects by IMS, and obtains the service authority information that the pairing user of this terminal contracts by described IMS; Generate right objects, described right objects is issued to described terminal.The request message of right objects of process obtain to(for) copyright issue center can adopt process shown in step c1～c5 of Fig. 6, also can adopt process shown in steps d 1～d2 of Fig. 7.In this case, do not require that copyright issue center knows whether terminal is online.
In addition, the embodiment of the invention also provides a kind of copyright issue center, and comprising: the service authority information acquisition unit that the user contracts, right objects generation unit and right objects issue the unit.
The service authority information acquisition unit that described user contracts is used for obtaining the service authority information that the user contracts according to the indication that receives from the service configuration information server of IMS;
Described right objects generation unit, the encryption key that is used for service authority information of contracting according to described user and the content of having obtained generates right objects;
Described right objects issues the unit, is used to issue described right objects.
Described copyright issue center can also comprise: the SOT state of termination acquiring unit, be used for service SCSF or presence server by linking to each other with the IMS network by IMS, obtain the presence information of terminal, after determining that described terminal is online, obtain indication to the service authority information acquisition unit transmission that described user contracts.
Copyright issue center can also comprise: the interface unit that application server supports, be used for business support entity as described application server, and carry out alternately with described application server.
Described right objects issue the unit can comprise with the service SCSF carry out mutual interface unit and/or carry out mutual interface unit with terminal,
Described and service SCSF carries out mutual interface unit, is used for issuing described right objects by described service SCSF to terminal;
Described and terminal is carried out mutual interface unit, is used for directly issuing described right objects to terminal.
Described service configuration information server is a home subscriber server, or independent database, or is integrated in one with the application server that is used to provide professional.
Since the generation of embodiment of the invention right objects with obtain system the generation of right objects realized with obtaining as a kind of business function or business support function, copyright issue center is disposed as the business support entity that an application server or application server support, thereby make full use of the existing entity and the working mechanism of IMS network, optimized the generation of right objects and obtained system; In addition, because the generation and the acquisition methods of embodiment of the invention right objects have made full use of in the IMS network, carry out the professional working mechanism that triggers by triggering rule between serving CSCF and the application server, and behind the endpoint registration, serving CSCF can carry out the mechanism of third-party registration to application server, copyright issue center is deployed as the support entity of an application server or application server, realize ROAP message or encapsulate ROAP message by the expansion Session Initiation Protocol with Session Initiation Protocol, realize obtaining of right objects, thereby make this method simple general-purpose, easy to implement.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (25)
1. the generation of a right objects and acquisition methods is characterized in that, may further comprise the steps:
Copyright issue center obtains terminal online information by IP Multimedia System IMS, determine that described terminal is online after, obtain the service authority information that the pairing user of this terminal contracts by described IMS;
Copyright issue center generates right objects, and described right objects is issued to described terminal;
Wherein, the described copyright center of issuing comprises by the process that IMS obtains terminal online information:
Mode by third-party registration obtains, and described third-party registration is to carry out third-party registration by the service call conversation control function CSCF GC group connector among the IMS to copyright issue center; Perhaps,
Obtain by the presence server that links to each other with the IMS network.
2. the method for claim 1 is characterized in that, described definite online process of described terminal comprises:
If third-party registration completes successfully at copyright issue center, then described copyright issue center determines that described terminal is online; Perhaps,
If copyright issue center knows that described terminal is online or reaches the standard grade that from described presence server then described copyright issue center determines that described terminal is online.
3. the method for claim 1 is characterized in that, the service authority information that described user contracts is obtained by the service configuration information server among the IMS.
4. method as claimed in claim 3 is characterized in that, described service configuration information server is a home subscriber server, or independent database, or is integrated in one with the application server that is used to provide professional.
5. the method for claim 1 is characterized in that, described copyright issue center generates right objects, and the process that described right objects is issued to described terminal comprises:
After described copyright issue center determines that described terminal is online, the service authority information of contracting according to the pairing described user of this terminal, and the encryption key of the content of having obtained generates right objects;
Described right objects is pushed to described terminal.
6. method as claimed in claim 5 is characterized in that, described propelling movement is that copyright issue center is pushed to described terminal by the ROAP protocol interface, or described copyright issue center is pushed to described terminal by IMS.
7. the method for claim 1 is characterized in that, described copyright issue center generates right objects, and the process that described right objects is issued to described terminal comprises:
After described copyright issue center determines that described terminal is online, send the trigger object to described terminal;
Described terminal sends the request message that obtains right objects according to the trigger object that receives to described copyright issue center;
After described copyright issue center receives described request, the service authority information of contracting according to the pairing described user of this terminal, and the encryption key of the content of having obtained generates right objects;
Described right objects is sent to described terminal according to the described reverse path of obtaining the right objects request message.
8. method as claimed in claim 7 is characterized in that, the described reverse path of obtaining the right objects request message is to send to described terminal by described copyright issue center by the ROAP protocol interface; Or send to described terminal by IMS by described copyright issue center.
9. as claim 5 or 7 described methods, it is characterized in that,
The encryption key of described content is stored in described copyright issue center, or is stored in KMC;
When the encryption key of described content was stored in described copyright issue center, described copyright issue center was carried content identification and is directly obtained from this locality;
When the encryption key of described content was stored in described KMC, content identification was carried at described copyright issue center, inquired about and obtain the encryption key of the pairing content of this business to KMC.
10. the generation of a right objects and acquisition methods is characterized in that, may further comprise the steps:
Proxy Call Session Control Function CSCF receives the request message that obtains right objects of self terminal, and passes on this request message to serving CSCF;
Serving CSCF arrives application server to the described request message trigger that receives;
Application server is transmitted to copyright issue center with this request message and handles;
Copyright issue center receives the request message that obtains right objects, and obtains the service authority information that the pairing user of this terminal contracts by described IMS; Generate right objects, described right objects is issued to described terminal.
11. method as claimed in claim 10 is characterized in that, described application server is transmitted to copyright issue center with this request message and handles; The process that copyright issue center receives the request message that obtains right objects comprises:
Application server receives the user's request from described terminal, determine described terminal request trigger object, act on behalf of described terminal to the described trigger object of described copyright issue center requests, will be forwarded to described terminal from the trigger object at described copyright issue center; Described trigger object is transmitted by the response message of described user's request, or by independently sip message forwarding;
Described terminal sends the request message that obtains right objects according to the described trigger object that receives to described copyright issue center;
Described copyright issue center according to receive from described terminal described request, obtain the request message of described right objects.
12. method as claimed in claim 11 is characterized in that, described application server determines that the process of described terminal request trigger object comprises:
Described user's request comprises the request trigger object, and described application server is determined described terminal request trigger object according to the described request that receives; Perhaps,
Described user's request comprises requested service, and described application server is determined described terminal request trigger object according to indication of carrying in the described request or service attribute.
13. method as claimed in claim 10 is characterized in that, described application server is transmitted to copyright issue center with this request message and handles; The process that copyright issue center receives the request message that obtains right objects comprises:
Application server receives the user's request from described terminal, determines described terminal request right objects, acts on behalf of described terminal to the described right objects of described copyright issue center requests;
Described copyright issue center obtains the message of described right objects request according to the described request from described application server that receives.
14. method as claimed in claim 13 is characterized in that, described application server determines that the process of described terminal request right objects comprises:
Described user's request comprises the request right objects, and described application server is determined described terminal request right objects according to the described request that receives; Perhaps,
Described user's request comprises requested service information, and described application server is determined described terminal request right objects according to indication of carrying in the described request or service attribute.
15. method as claimed in claim 14, it is characterized in that, if described user's request comprises requested service information, and receive the right objects at the center of issuing from described copyright by the application server among the IMS, when being forwarded to described terminal, this right objects is transmitted by the response message of user's request, or by independently sip message forwarding.
16. method as claimed in claim 10 is characterized in that, the service authority information that described user contracts is obtained by the service configuration information server among the IMS; Described service configuration information server is a home subscriber server, or independent database, or is integrated in one with the application server that is used to provide professional.
17. method as claimed in claim 10 is characterized in that, the process that described copyright issue center generates right objects comprises:
The service authority information of contracting according to the pairing described user of this terminal in described copyright issue center, and the encryption key of the content of having obtained generates right objects;
The encryption key of described content is stored in described copyright issue center, or is stored in KMC;
When the encryption key of described content was stored in described copyright issue center, described copyright issue center was carried content identification and is directly obtained from this locality;
When the encryption key of described content was stored in described KMC, content identification was carried at described copyright issue center, inquired about and obtain the encryption key of the pairing content of this business to KMC.
18. method as claimed in claim 10, it is characterized in that, the process that described right objects is issued to described terminal comprises: described copyright issue center sends to described terminal by the ROAP protocol interface with described right objects, or described copyright issue center sends to described terminal by IMS with described right objects.
19. the generation of a right objects with obtain system, comprise copyright issue center and terminal, it is characterized in that: it also comprises Proxy Call Session Control Function CSCF, serving CSCF and service configuration information server, wherein,
This proxy CSCF is used to receive the request message that obtains right objects of self terminal, and forwards the request to serving CSCF;
The described request that this serving CSCF is used for receiving is triggered to copyright issue center and handles;
This service configuration information server is connected with serving CSCF with described copyright issue center respectively, is used to store relevant service configuration information;
This copyright issue center is used to receive the request of obtaining right objects, generates right objects, and is handed down to terminal.
20. generation as claimed in claim 19 with obtain system, it is characterized in that: the generation of this right objects with obtain system and also be included in presence server, it is connected with terminal with this copyright issue center, service configuration information server, serving CSCF respectively, is used to obtain the presence of terminal and notifies copyright issue center.
21. generation as claimed in claim 19 with obtain system, it is characterized in that: link to each other through the interface that adopts rights object acquisition protocol ROAP agreement between this copyright issue center and the terminal, link to each other through Sh interface between this copyright issue center and the service configuration information server, pass through ISC interface between this copyright issue center and the serving CSCF and link to each other.
22. generation as claimed in claim 19 with obtain system, it is characterized in that: this service configuration information server is home subscriber server or independent database, or is integrated in one with being used to provide professional application server.
23. the generation of a right objects with obtain system, it comprises copyright issue center and terminal, it is characterized in that: it also comprises proxy CSCF, serving CSCF, application server and service configuration information server, wherein,
This proxy CSCF is used to receive the request message that obtains right objects of self terminal, and passes on that this asks serving CSCF;
This serving CSCF is used for the described request that receives is triggered to application server;
This application server is used for that this request is transmitted to copyright issue center to be handled, and other information that application server also is used for trigger object, right objects and service request that copyright issue center is generated and returns return to terminal together;
This service configuration information server is connected with this application server, serving CSCF and copyright issue center respectively, is used to store relevant service configuration information;
This copyright issue center is used to receive the request of obtaining right objects as the business support entity that application server supports, and generates right objects and is handed down to terminal.
24. generation as claimed in claim 23 with obtain system, it is characterized in that: link to each other through an interface between this application server and the terminal, link to each other through Sh interface between this copyright issue center and the service configuration information server, link to each other through the interface that adopts the ROAP agreement between this copyright issue center and the terminal, link to each other through ISC interface between this application server and the serving CSCF, link to each other through an interface between this application server and the copyright issue center.
25. generation as claimed in claim 23 with obtain system, it is characterized in that: this service configuration information server is home subscriber server or independent database, or is integrated in one with being used to provide professional application server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100045996A CN101014038B (en) | 2006-01-26 | 2007-01-19 | Generating and obtaining method and system of copyright object |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610033422 | 2006-01-26 | ||
| CN200610033422.4 | 2006-01-26 | ||
| CN2007100045996A CN101014038B (en) | 2006-01-26 | 2007-01-19 | Generating and obtaining method and system of copyright object |
Publications (2)
| Publication Number | Publication Date |
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| CN101014038A CN101014038A (en) | 2007-08-08 |
| CN101014038B true CN101014038B (en) | 2011-01-05 |
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| CN2007100045996A Expired - Fee Related CN101014038B (en) | 2006-01-26 | 2007-01-19 | Generating and obtaining method and system of copyright object |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102685606B (en) * | 2011-03-18 | 2016-05-25 | 华为终端有限公司 | The method and system that in IPTV, business is watched |
| CN105530228A (en) * | 2014-09-30 | 2016-04-27 | 中兴通讯股份有限公司 | User register processing method, device and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642083A (en) * | 2004-09-23 | 2005-07-20 | 华为技术有限公司 | Network side anthority-discrimination-mode selecting method |
| WO2005104519A1 (en) * | 2004-04-22 | 2005-11-03 | Nokia Corporation | Online charging system (ocs) controlled media policy |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005104519A1 (en) * | 2004-04-22 | 2005-11-03 | Nokia Corporation | Online charging system (ocs) controlled media policy |
| CN1642083A (en) * | 2004-09-23 | 2005-07-20 | 华为技术有限公司 | Network side anthority-discrimination-mode selecting method |
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| CN101014038A (en) | 2007-08-08 |
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