CN1858765A - Method and device for sharing content protected by digital copyright - Google Patents
Method and device for sharing content protected by digital copyright Download PDFInfo
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- CN1858765A CN1858765A CN 200610034677 CN200610034677A CN1858765A CN 1858765 A CN1858765 A CN 1858765A CN 200610034677 CN200610034677 CN 200610034677 CN 200610034677 A CN200610034677 A CN 200610034677A CN 1858765 A CN1858765 A CN 1858765A
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Abstract
This invention discloses a method and a device for sharing digital copyright protection content including: User device A sends the content protected by digital copyright DRM protection to user device B via MMS, B receives said MMS and analyses the content protected by DRM to get the copyright object RO of the content protected by DRM and use the content protected by DRM based on the rule in RO.
Description
Technical field
The present invention relates to mobile communication Multimedia Message technical field, particularly a kind of method of sharing content protected by digital copyright and device.
Background technology
MMS (Multimedia Messaging Service) can provide point-to-point, puts application, be applied to extremely abundant Multimedia Message storage and the forwarding service of content a little.Message can be the non real-time content that plain text, picture, video, audio frequency and other media formatss are formed.
Utilize MMS can carry out multiple application, for example, in OMA MMS 1.3 versions of open mobile alliance OMA (Open MobileAlliance), the professional PostCard of postcard that has defined MMS uses, this is applied as: user A (MMS client is arranged) creates one and contains picture, the MMS information of literal (may use the MMS template), the postal ﹠ communications address and the postcode of having filled in user B simultaneously.Send to postcard PostCard server then, server prints postcard, gives the post office then, and user B is sent it to by the postal mode of tradition in the post office.
The user is using PostCard when professional, and it utilizes picture that MMS sends, literal etc. might be to derive from the Digital Media that is subjected to digital publishing rights DRM (Digital Right Management) protection.And work as the user with interested Digital Media, when for example music, film etc. were transmitted to other users, the content of its forwarding also may be to derive from the Digital Media that is subjected to the DRM protection.
DRM is in order to protect Digital Media, as recreation, the tinkle of bells, image, audio frequency, video etc. not by bootlegging and the illegal a special kind of skill of arising at the historic moment of using.The DRM system that stipulates in OMA DRM2.0 comprises terminal D RM Agent DRM Agent, content center CI (Content Issuer), authorization center RI (Rights Issuer).As shown in Figure 1, DRM Agent is arranged in the subscriber equipment, the user uses the process of the Digital Media that is subjected to the DRM protection to be:
The user browses the website of CI, obtains interested media content, and this content is DRM content format DCF (DRM Content Format);
Subscriber equipment connects the right objects RO (Right Object) that RI obtains DCF, and DRM Agent uses DCF according to the rule among the RO.If the copyright service regeulations that do not have to stipulate among RO or the RO lost efficacy, then the user can not re-use DCF.
Therefore, the user if want to print image content protected by copyright on postcard, then can not have RO and can not realize when using PostCard professional because of PostCard Server.And also may there be such problem in the user when using similar MMS professional.
Summary of the invention
The objective of the invention is to overcome the problem that prior art exists, a kind of method of sharing content protected by digital copyright is provided.This method comprises:
Subscriber equipment A will be subjected to the content of digital publishing rights DRM protection to send to subscriber equipment B by MMS;
After subscriber equipment B receives described MMS, therefrom parse the content that is subjected to the DRM protection;
Subscriber equipment B obtains the right objects RO of the described DRM of being subjected to protection content;
Subscriber equipment B uses the content that is subjected to the DRM protection according to the copyright service regeulations among the RO.
The mode that subscriber equipment B obtains described RO is:
User A provides the sign information of user B, request will be subjected to the RO of DRM protection content to send to subscriber equipment B to authorization center RI.Perhaps,
User A request RI distributes to user B with the copyright right to use that it has, and provides the sign information of user B to RI, and the authority that RI is assigned with according to user B generates the RO of user B.
If user A partly distributes to user B with its copyright rights of using, RI will generate new RO and send to subscriber equipment A at the residue copyright right to use of user A, and the former RO of notifying user equipment A lost efficacy.
After subscriber equipment B parses the content that is subjected to the DRM protection among the MMS, therefrom extract the URL of RI, be connected to RI and obtain the RO for its request by user A.
Subscriber equipment B obtain described RO mode can also for:
User A or user B connect RI, and registration adds certain territory;
Another user connects RI, and registration adds same territory;
User A obtains the territory RO that obtains this content after the content that is subjected to DRM protection;
User A carries described territory RO in the MMS that is subjected to DRM protection content to user B transmission, perhaps send territory RO separately.
Described subscriber equipment B is the postcard PostCard server during the MMS postcard is used, and connects the RI registration by the PostCard server and adds certain territory, and user A connects the RI registration and adds same territory.
Be provided with DRM Agent DRM Agent among the described subscriber equipment B.
Described subscriber equipment B is the postcard PostCard server during the MMS postcard is used.
User A also comprises the content of PostCard in sending to the MMS that is subjected to DRM protection content of PostCard server.
The copyright service regeulations that comprise among the described RO that the PostCard server obtains are that one or many is printed effectively.
Another object of the present invention provides a kind of device of sharing content protected by digital copyright.This device comprises: MMS resolver and DRM Agent, wherein:
The MMS resolver is used to resolve the content of MMS, distinguishes DCF, and the obtain manner of RO, and with the obtain manner notice DRM Agent of RO;
DRM Agent, the RO obtain manner that is used for sending according to the MMS resolver obtains RO, obtains DCF from the MMS resolver, and uses DCF according to the requirement among the RO.
Described device is arranged on the postcard PostCard server of MMS postcard in using;
Described MMS resolver also is used to distinguish the content that is used to print postcard;
Described device also comprises:
Print module, the PostCard content that is used for providing according to MMS resolver and DRM Agent is carried out the operation of printing postcard.
By the present invention, the user can be shared with the third party with the content that is subjected to DRM protection and use, and the third party is when using the content that is subjected to the DRM protection, and this content still obtains good copyright protection.Therefore, use the usable range that the present invention can enlarge DRM protection content, can promote the development of DRM, can provide more wide space for the application of MMS again.Technical scheme of the present invention has bright development prospect.
Description of drawings
Fig. 1 obtains process flow diagram for prior art RO;
Fig. 2 obtains process flow diagram for first embodiment of the invention RO;
Fig. 3 obtains process flow diagram for second embodiment of the invention RO;
Fig. 4 obtains process flow diagram for third embodiment of the invention RO;
Fig. 5 is the fourth embodiment of the invention system construction drawing.
Embodiment
Main thought of the present invention is: when user A will be subjected to the content of DRM protection to be transmitted to user B by MMS, for user B buys RO or the RO that it has is distributed to user B, user B obtained RO after receiving MMS to the RI of appointment.Thereby make user A can allow user B share own interested media content.
In order to realize method of the present invention, all must be provided with DRM Agent on the subscriber equipment of user A and user B.
As shown in Figure 2, the first embodiment of the present invention is:
User A is that the process for user B purchase RO was separately when own interested DCF was transmitted to user B:
User A browses the website of CI, obtains interested DCF;
User A browses the website of RI, to the sign information that RI provides user B, asks the RO of DCF is sent to user B;
User A sends the MMS that comprises DCF to user B;
Subscriber equipment parses the content of DCF.Rights-Issuer has write down copyright publisher's generic resource location URL in the DCF form.Subscriber equipment B is resolved to and is connected to RI behind the URL of RI and obtains RO.
In Rights-Issuer, write down copyright publisher's generic resource location URL.Subscriber equipment B is resolved to and is connected to RI behind the URL of RI and obtains RO.
After obtaining RO, subscriber equipment B just can use DFC according to the rule among the RO by DRM Agent visit DFC.
As shown in Figure 3, the second embodiment of the present invention is:
When user A is transmitted to user B with own interested DCF, the copyright rights of using of oneself are distributed to user B, its process is:
User A browses the website of CI, obtains interested DCF;
Subscriber equipment A connects the right objects RO that RI obtains DCF, may comprise multiple copyright service regeulations among the RO, for example can browse the time that the number of times of DCF or time, DCF can resident this locality, the number of times that can print etc.;
User A sends the MMS that comprises DCF to user B;
User A browses the website of RI, request is distributed to user B with the copyright right to use that it has, and provide the sign information of user B to RI, RI receives the RO that will generate after the request at user B, if user A partly distributes to user B with its copyright rights of using, RI will generate new RO and send to subscriber equipment A at the residue copyright right to use of user A, and the former RO of notifying user equipment A lost efficacy.
Subscriber equipment B receives the URL that therefrom parses RI behind the MMS that user A sends, and is connected to RI and obtains by user A and distribute the RO of coming.
As shown in Figure 4, the third embodiment of the present invention is:
Utilize the territory sharing mode of OMA DRM 2.0 to make user A allow user B share its interested media content.Its process is:
User A or user B connect RI, and registration adds certain territory;
User B or user A connect RI, and registration adds same territory;
User A browses the website of CI, obtains interested DCF;
Subscriber equipment A connects the territory RO that RI obtains this DCF;
User A sends MMS to user B, comprises this DCF content and territory RO among the MMS.
After subscriber equipment is received MMS, therefrom parse DCF and territory RO.
The fourth embodiment of the present invention is:
The PostCard of method of the present invention and OMA MMS 1.3 can be used and be used in combination, at this moment, need on the server of PostCard, set up DRM Agent, and regard the PostCard server as in the inventive method user B.When being used in combination, also include the content of PostCard among the MMS that contains DCF that user A sends with the PostCard application.
For example, if the content of DCF is a picture, the PostCard server can obtain RO and DCF by described any one method of above-mentioned three embodiment, and solves the picture among the DCF.Express regularly arranged picture in the part (as SMIL) and the other parts of MMS according to MMS then, for example text message etc. prints PostCard, and posts according to the postal mode of tradition.
In order to protect digital publishing rights, in the present embodiment, user A can be defined as for the service regeulations to copyright among the RO of PostCard server purchase: one or many is printed effectively.
Use when being used in combination at the 3rd embodiment and PostCard, for operation more easily, can and add certain territory by the PostCard server registration, and user A or other users can join in the territory of PostCard server registration when using PostCard professional.
As shown in Figure 5, be the system construction drawing of present embodiment.This system comprises subscriber equipment, RI and PostCard Sever.
Wherein, comprise DRM Agent and MMS editing machine in the subscriber equipment.
Subscriber equipment sends among the MMS of PostCard server and comprises message header and message body, and DCF is present in the DATA part of MMS message body, and described in MMS rule part.
Comprise MMS resolver, DRM Agent and print module in the PostCard server.
The MMS resolver is used to resolve the content of MMS, distinguishes to be used to print the content of postcard and distinguish DCF, and the obtain manner of RO, and with the obtain manner notice DRM Agent of RO.
DRM Agent, the RO obtain manner that is used for sending according to the MMS resolver obtains RO, obtains DCF from the MMS resolver, and uses DCF according to the requirement among the RO.
Print module, the PostCard content that is used for providing according to MMS resolver and DRM Agent is carried out the operation of printing postcard.
The above; be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is 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 within protection scope of the present invention.
Claims (13)
1, a kind of method of sharing content protected by digital copyright is characterized in that:
Subscriber equipment A will be subjected to the content of digital publishing rights DRM protection to send to subscriber equipment B by MMS;
After subscriber equipment B receives described MMS, therefrom parse the content that is subjected to the DRM protection;
Subscriber equipment B obtains the right objects RO of the described DRM of being subjected to protection content;
Subscriber equipment B uses the content that is subjected to the DRM protection according to the copyright service regeulations among the RO.
2, the method for sharing content protected by digital copyright according to claim 1 is characterized in that the mode that subscriber equipment B obtains described RO is:
User A provides the sign information of user B, request will be subjected to the RO of DRM protection content to send to subscriber equipment B to authorization center RI.
3, the method for a kind of sharing content protected by digital copyright as claimed in claim 1 is characterized in that, the mode that subscriber equipment B obtains described RO is:
User A request RI distributes to user B with the copyright right to use that it has, and provides the sign information of user B to RI, and the authority that RI is assigned with according to user B generates the RO of user B.
4, the method for a kind of sharing content protected by digital copyright as claimed in claim 3; it is characterized in that; if user A partly distributes to user B with its copyright rights of using; RI will generate new RO and send to subscriber equipment A at the residue copyright right to use of user A, and the former RO of notifying user equipment A lost efficacy.
5, as the method for described any one sharing content protected by digital copyright of claim 2-4, it is characterized in that, after subscriber equipment B parses the content that is subjected to the DRM protection among the MMS, therefrom extract the URL of RI, be connected to RI and obtain the RO for its request by user A.
6, the method for a kind of sharing content protected by digital copyright as claimed in claim 1 is characterized in that, the mode that subscriber equipment B obtains described RO is:
User A or user B connect RI, and registration adds certain territory;
Another user connects RI, and registration adds same territory;
User A obtains the territory RO that obtains this content after the content that is subjected to DRM protection;
User A carries described territory RO in the MMS that is subjected to DRM protection content to user B transmission, perhaps send territory RO separately.
7, the method for a kind of sharing content protected by digital copyright as claimed in claim 6; it is characterized in that; described subscriber equipment B is the postcard PostCard server during the MMS postcard is used; connect the RI registration by the PostCard server and add certain territory, user A connects the RI registration and adds same territory.
8, as the method for claim 1,2,3,4,6,7 described any one sharing content protected by digital copyright, it is characterized in that, be provided with DRM Agent DRMAgent among the described subscriber equipment B.
9, utilize the method for sharing content protected by digital copyright as claim 1,2,3,4 described any one, it is characterized in that, described subscriber equipment B is the postcard PostCard server during the MMS postcard is used.
10, the method for a kind of sharing content protected by digital copyright as claimed in claim 8 is characterized in that, user A also comprises the content of PostCard in sending to the MMS that is subjected to DRM protection content of PostCard server.
11, the method for a kind of sharing content protected by digital copyright as claimed in claim 9 is characterized in that, the copyright service regeulations that comprise among the described RO that the PostCard server obtains are that one or many is printed effectively.
12, a kind of device of sharing content protected by digital copyright is characterized in that, comprising: MMS resolver and DRM Agent, wherein:
The MMS resolver is used to resolve the content of MMS, distinguishes DCF, and the obtain manner of RO, and with the obtain manner notice DRM Agent of RO;
DRM Agent, the RO obtain manner that is used for sending according to the MMS resolver obtains RO, obtains DCF from the MMS resolver, and uses DCF according to the requirement among the RO.
13, the device of a kind of sharing content protected by digital copyright as claimed in claim 12 is characterized in that, described device is arranged on the postcard PostCard server of MMS postcard in using;
Described MMS resolver also is used to distinguish the content that is used to print postcard;
Described device also comprises:
Print module, the PostCard content that is used for providing according to MMS resolver and DRM Agent is carried out the operation of printing postcard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610034677 CN1858765A (en) | 2006-03-24 | 2006-03-24 | Method and device for sharing content protected by digital copyright |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610034677 CN1858765A (en) | 2006-03-24 | 2006-03-24 | Method and device for sharing content protected by digital copyright |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1858765A true CN1858765A (en) | 2006-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610034677 Pending CN1858765A (en) | 2006-03-24 | 2006-03-24 | Method and device for sharing content protected by digital copyright |
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| Country | Link |
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| CN (1) | CN1858765A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007121632A1 (en) * | 2006-04-21 | 2007-11-01 | Huawei Technologies Co., Ltd. | Method for receiving digital television broadcasting service, master terminal and slave terminal thereof |
| CN105378741A (en) * | 2013-06-08 | 2016-03-02 | 微软技术许可有限责任公司 | Continuous digital content protection |
-
2006
- 2006-03-24 CN CN 200610034677 patent/CN1858765A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007121632A1 (en) * | 2006-04-21 | 2007-11-01 | Huawei Technologies Co., Ltd. | Method for receiving digital television broadcasting service, master terminal and slave terminal thereof |
| CN105378741A (en) * | 2013-06-08 | 2016-03-02 | 微软技术许可有限责任公司 | Continuous digital content protection |
| CN105378741B (en) * | 2013-06-08 | 2018-06-12 | 微软技术许可有限责任公司 | Continuous number content protecting |
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