CN102110203A - Method and system for processing DRM file - Google Patents
Method and system for processing DRM file Download PDFInfo
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- CN102110203A CN102110203A CN2009102617448A CN200910261744A CN102110203A CN 102110203 A CN102110203 A CN 102110203A CN 2009102617448 A CN2009102617448 A CN 2009102617448A CN 200910261744 A CN200910261744 A CN 200910261744A CN 102110203 A CN102110203 A CN 102110203A
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Abstract
The invention provides a method for processing a digital rights management (DRM) file, which comprises that: a DRM engine provides the DRM file, an experience fragment of the DRM file and the authority of the experience fragment, and sets the DRM file and the experience fragment to be mutually independently sent, wherein the experience fragment reflects the contents of the DRM file; a browser downloads and stores the experience fragment and the authority of the experience fragment; and the browser associates the experience fragment and the authority of the experience fragment. The invention also provides a system for processing the DRM file, which comprises the DRM engine and the browser. Through the embodiment, a user has rights to know the downloaded file, a content publisher can play a role in propagandizing games or other film and television previews, and the user can judge whether the DRM contents and the authority need to be purchased according to personal preference.
Description
Technical field
The present invention relates to the digital publishing rights field, particularly relate to a kind of management method and system of digital publishing rights.
Background technology
Because the decision of the characteristics of digital information needs a kind of technology, strengthens protecting the copyright of these digitized audio/video program contents, this technology is the DRM technology.The principle of work of DRM technology is at first to set up the digital program authorization center.Digital program content after the encoding compression can utilize key to carry out encipherment protection, and the digital program head of encryption is being deposited the URL of KeyID and program authorization center.The user according to the KeyID and the URL information of program head, just can send relevant secret key decryption after the checking mandate by the digital program authorization center in a sowing time, and program can be play.After the program that needs protection was encrypted, even preserved by user's download, the checking mandate that does not obtain the digital program authorization center also can't be play, thereby had protected the copyright of program closely.
When downloading the DRM file, the Download Descriptor of identification medium file is arranged at present, as about the metadata of media object with about the indication of download agent downloading mode etc.But this file that has only comprised descriptor is not enough to allow the user to having real sensory experience in the described DRM file, can't evoke user's interest, or the user still can not have enough knowledge and understand to described media object, this just may cause user's download own uninterested DRM file, because the not just charging of flow of the download of DRM file concerning the user, therefore the expense that also has rights of using may waste user's time and money.Especially the big file of DRM, if before the user's download the big file of described DRM is not understood, as big video, theme or game and so on, blindly download can cause very big waste.
Summary of the invention
For addressing the above problem, the disposal route that the purpose of this invention is to provide a kind of DRM file, this method is before user's download DRM file, for the DRM file provides one to experience fragment, the user is fully realized before download this DRM file, make the user to judge whether to download the DRM file according to self hobby.
The embodiment of the invention proposes a kind of disposal route of DRM file on the one hand, comprise the steps: that the DRM engine provides the experience fragment of DRM file, described DRM file and the authority of experience fragment, and described DRM file and the separate transmission of described experience fragment are set.Described experience fragment reflects the content of described DRM file; Browser downloads and preservation are from the described experience fragment and the experience fragment authority of DRM engine; Described browser is associated described experience fragment and experience fragment authority.
The embodiment of the invention also proposes a kind of disposal system of DRM file more on the one hand, comprise: DRM engine and one or more browser, the authority that described DRM engine is used to provide the experience fragment of DRM file, described DRM file and experiences fragment, and described DRM file and the separate transmission of described experience fragment be set, described experience fragment reflects the content of described DRM file, and provides download service for described one or more browsers.Described browser is used for downloading and preserving described experience fragment and experience the fragment authority from described DRM engine, and related described experience fragment and experience fragment authority.
The embodiment of the invention also proposes a kind of DRM engine, comprise being provided with module and downloading service module are provided, described setting provides module, the authority that is used to provide the experience fragment of DRM file, described DRM file and experiences fragment, and described DRM file and the separate transmission of described experience fragment are set.Described experience fragment reflects the content of described DRM file, and described downloading service module is used to one or more browsers that download service is provided.
The embodiment of the invention also proposes a kind of browser, comprises downloading preserving module, relating module and playing module, and module is preserved in described download, is used for downloading and preserving described experience fragment and experience the fragment authority from the DRM engine; Described relating module is used for related described experience fragment and experiences the fragment authority.
The embodiment of the invention has also proposed a kind of DRM document handling system that is used for portable terminal, and this system comprises server and portable terminal, and described server also comprises the DRM engine, and described portable terminal also comprises one or more browsers.Described server, the authority that is used to store and provide the experience fragment of DRM file, described DRM file and experiences fragment, and described DRM file and the separate transmission of described experience fragment are set.Wherein, described experience fragment reflects the content of described DRM file; Described portable terminal is used for downloading and preserving described experience fragment and experience the fragment authority from described DRM engine, and related described experience fragment and experience fragment authority.
According to the embodiment of the invention, can have gained some understanding to the big file of DRM that needs are downloaded based on the user, propose the experience fragment and allow the user that the method for sensory experience is arranged.This method not only allows the user that right to know to file in download has been arranged, content issuer has played the effect to recreation or other video display advance notice propaganda, may excite simultaneously user's interest again, the user also can obtain preliminary experience, and judges whether needs purchase DRM content and authority according to self liking.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the FB(flow block) according to the DRM document handling method of the embodiment of the invention;
Fig. 2 is according to the downloading experience fragment of the embodiment of the invention and the process flow diagram of DRM file;
Fig. 3 is the structural drawing according to the DRM document handling system of the embodiment of the invention; And
Fig. 4 is the structural drawing according to the DRM document handling system that is used for portable terminal of the embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
For realizing purpose of the present invention, the embodiment of the invention provides a kind of disposal route of DRM file.As shown in Figure 1, be FB(flow block) according to the DRM document handling method of the embodiment of the invention.Wherein, the DRM file can comprise contents such as media data and permission object.The DRM document handling method that the embodiment of the invention provides is to be carried out by browser (Brower) and DRM engine (DRM Engine).Browser can carry out initialization earlier, comprises the steps: afterwards
The S101:DRM engine provides to be experienced fragment and experiences the fragment authority, wherein, experiences the trailer that fragment can be similar to film, and its content that can reflect the DRM file gets final product.Content issuer can will be experienced the issue simultaneously side by side of fragment and original DRM file, and experience fragment and be set to and the separate transmission of DRM file, the user just can send mutually and share and experience fragment like this, in other embodiments of the invention, thus also can give and experience the free authority of fragment and download and experience for the user provides.
S102: the user is by browser downloads and preserve the one or more experience fragments among the DRM and experience fragment authority (RO, permission object), and handle (Handle) and metadata (Metadata) that create to experience fragment, metadata is exactly the media data of the experience fragment that can play in this embodiment.Particularly, can be in conjunction with Fig. 2.At first, browser downloads is experienced fragment and is experienced the fragment authority.Browser is created handle (Handle) and is sent to the DRM engine after preserving above-mentioned experience fragment and experiencing the fragment authority, selectively also metadata (Metadata) can be sent to the DRM engine.The DRM engine is to above-mentioned handle (Handle), and metadata corresponding (Metadata) is preserved.In the present embodiment, the preserving type of above-mentioned handle (Handle) utilizes the MD5 algorithm to carry out encrypting storing, and this cryptographic algorithm can solve the long problem of filename.
S103: browser is related to be experienced fragment and experiences the fragment authority.
Comprise variable ObjectID in the handle (Handle) that browser is created and preserved in step 102, comprise variable ID in the experience fragment authority.Browser is associated above-mentioned variable Object ID and variable ID, thereby realizes the related purpose of experiencing fragment and experiencing the fragment authority.
S104: play and experience fragment.
In step 103, after browser will be experienced fragment and experience the fragment authority and be associated, the user just can play this experience fragment, and this play content of experiencing fragment can be multi-medium datas such as video or audio frequency.The play content of above-mentioned experience fragment is the preview to multimedia content in the DRM file, and the user just can be to having understanding roughly in the DRM file like this.
Because experiencing fragment is independent sending mode, so can send the shared fragment of experiencing between the user mutually, give simultaneously and receive the user with free experience fragment authority.
S105: the user can decide in its sole discretion and whether download complete DRM file after having browsed the experience fragment.Preferably, in embodiments of the present invention, experience the address that provides the DRM file in the fragment, the user just can directly be linked to above-mentioned DRM file by experiencing the address of the DRM file in the fragment like this.
The user after playing this experience fragment, understanding that will be certain to having of the media play content in the DRM file.If the user is interested in this content, can be connected to the DRM file by experiencing fragment, thereby realize download according to the address that is stored in the DRM file of experiencing slice header by content issuer to this DRM file.Above-mentioned DRM file comprises media data and permission object, and this DRM file can be transmitted or associating sending mode or independent sending mode for forbidding.
As shown in Figure 2, when the DRM file for forbidding transmitting or during the associating sending mode, promptly the DRM file is the FL/CD sending mode, can be by experiencing the address of DRM file in the fragment, be linked to the DRM file after, download the DRM file.Download the DRM file and comprise downloads of media data and permission object.Because the permission object of the DRM file of FL/CD sending mode is kept in the media data, therefore need to separate media data and permission object in the DRM file.Create handle Handle_2, comprise variable Object ID_2 in this handle, permission object comprises variable ID_2.Related by Object ID_2 among this handle Handle_2 and variable ID_2 is associated the permission object of experiencing fragment and DRM file.Then, handle Handle_2 and media data are preserved.In the process of preserving handle Handle_2, adopt the MD5 algorithm that it is carried out encrypting storing.This cryptographic algorithm can solve the long problem of filename.
When the DRM file is independent sending mode, i.e. SD pattern, its downloading process is similar with the downloading process of experiencing fragment.Because the DRM file of independent sending mode, its media data and permission object are independently, can download respectively.At first, download the DRM file, comprise downloads of media data and permission object.Comprise then and create handle Handle_3 that comprise variable Object ID_3 in this handle, permission object comprises variable ID_3.Related by Object ID_3 among this handle Handle_3 and variable ID_3 is associated the permission object of experiencing fragment and DRM file.Then, handle Handle_3 and media data are preserved.In the process of preserving handle Handle_3, adopt the MD5 algorithm that it is carried out encrypting storing.This cryptographic algorithm can solve the long problem of filename.
As shown in Figure 3, be the structural drawing according to the DRM document handling system of the embodiment of the invention, this system comprises DRM engine 100 and one or more browser 200.The authority that DRM engine 100 is used to provide the experience fragment of DRM file, DRM file and experiences fragment, and the DRM file is set and experiences the separate transmission of fragment, wherein, experience the content of fragment reflection DRM file, and provide download service for one or more browsers.Browser 200 is used for downloading and preserving the experience fragment and experience the fragment authority from DRM engine 100, and related fragment and the experience fragment authority experienced.Browser will experience fragment and experience the fragment authority be successfully associated after, for the user plays the experience fragment.
In one embodiment of the invention, experience the download address that fragment carries the DRM file, the user can download the DRM file from this download address by browser.
Wherein, DRM engine 100 comprises being provided with provides module 110 and downloading service module 120.The authority that setting provides module 110 to be used to provide the experience fragment of DRM file, DRM file and to experience fragment, and the DRM file is set and experiences the separate transmission of fragment, wherein, experience the content of fragment reflection DRM file.Downloading service module 120 is used to one or more browsers that download service is provided.
Wherein, browser 200 comprises download preservation module 210, relating module 220 and playing module 230.Downloading preservation module 210 is used for downloading and preserve experience fragment and experience fragment authority from the DRM engine.Relating module 220 is used for related fragment and the experience fragment authority experienced.Playing module 230 is used for after relating module 220 is successfully associated, for the user plays the experience fragment.
In one embodiment of the invention, download to preserve module 210, also create and handle and metadata that preservation is relevant with the DRM file, and send to the DRM engine in the downloading experience fragment and after experiencing the fragment authority.Wherein, handle comprises variable Object ID, experiences the fragment authority and comprises variable ID, and relating module 220 is associated variable Object ID with variable ID.
As shown in Figure 4, be the DRM document handling system that is used for portable terminal according to the embodiment of the invention, this system comprises server 401 and portable terminal 402.Wherein, server 401 also comprises DRM engine 401a, and portable terminal 402 also comprises one or more browser 402a,
Server 401, the authority that is used to store and provide the experience fragment of DRM file, DRM file and experiences fragment, and the DRM file is set and experiences the separate transmission of fragment.Wherein, experience the content of fragment reflection DRM file.
Wherein, DRM engine 401a is provided with and experiences the address that fragment carries the DRM file.The user can download the DRM file from this download address by browser 402a.
In one embodiment of the invention, after the browser 402a downloading experience fragment of portable terminal 402 and the experience fragment authority, handle and metadata that establishment and preservation are relevant with the DRM file, and send to DRM engine 401a.Wherein, handle comprises variable Object ID, experiences the fragment authority and comprises variable ID, and portable terminal is associated variable Object ID with variable ID.Browser 402a will experience fragment and experience the fragment authority be successfully associated after, play and experience fragment.
According to the embodiment of the invention,, propose the experience fragment and allow the user that sensory experience is arranged earlier based on having gained some understanding to the big file of DRM that needs are downloaded.Not only allow the user have right to know to file in download, content issuer to play effect, may excite user's interest simultaneously again recreation or other video display advance notice propaganda; The user also can obtain preliminary experience, and judges whether needs purchase DRM content and authority according to self liking, thereby saves user's expense.
One of ordinary skill in the art will appreciate that and realize that all or part of step that the foregoing description method is carried is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises one of step or its combination of method embodiment when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be a ROM (read-only memory), disk or CD etc.
More than disclosed only be the preferred embodiments of the present invention, can not limit the scope of the present invention with this certainly.Be appreciated that the equivalent variations of doing according to the present invention's essence defined in the appended claims and scope, still belong to the scope that the present invention is contained.
Claims (21)
1. the disposal route of a DRM file is characterized in that, comprises the steps:
The DRM engine provides the experience fragment of DRM file, described DRM file and experiences the authority of fragment, and described DRM file and the separate transmission of described experience fragment are set, and wherein, described experience fragment reflects the content of described DRM file;
Browser downloads and preservation are from the described experience fragment and the experience fragment authority of DRM engine;
Described browser is associated described experience fragment and experience fragment authority.
2. the disposal route of DRM file as claimed in claim 1 is characterized in that, after downloading and preserve described experience fragment and experiencing the fragment authority, comprises the steps:
Handle and metadata that establishment and preservation are relevant with described DRM file, and send to described DRM engine.
3. the disposal route of DRM file as claimed in claim 2 is characterized in that, wherein said handle comprises variable Object ID, and described experience fragment authority comprises variable ID, and the described related fragment of experiencing comprises the steps: with experience fragment authority
Described variable Object ID is associated with described variable ID.
4. the disposal route of DRM file as claimed in claim 2 is characterized in that, also comprises: utilize the MD5 algorithm that described handle is carried out encrypting storing.
5. the disposal route of DRM file as claimed in claim 1 is characterized in that, described experience fragment carries the address of described DRM file.
6. the disposal route of DRM file as claimed in claim 1 is characterized in that, also comprises: described experience fragment is shared sending to other users with experience fragment authority.
7. the disposal route of DRM file as claimed in claim 1 is characterized in that, after described method also comprises described experience fragment and experiences the fragment authority and be successfully associated, plays described experience fragment.
8. the disposal system of a DRM file is characterized in that, comprises DRM engine and one or more browser,
Described DRM engine, the authority that is used to provide the experience fragment of DRM file, described DRM file and experiences fragment, and described DRM file and the separate transmission of described experience fragment be set, wherein, described experience fragment reflects the content of described DRM file, and provides download service for described one or more browsers;
Described browser is used for downloading and preserving described experience fragment and experience the fragment authority from described DRM engine, and related described experience fragment and experience fragment authority.
9. the disposal system of DRM file as claimed in claim 8 is characterized in that, described browser is play described experience fragment after described experience fragment and experience fragment authority are successfully associated.
10. the disposal system of DRM file as claimed in claim 8 is characterized in that, described experience fragment carries the address of described DRM file, and described user downloads described DRM file by described browser from described address.
11. a DRM engine is characterized in that, comprising being provided with provides module and downloading service module,
Described setting provides module, the authority that is used to provide the experience fragment of DRM file, described DRM file and experiences fragment, and described DRM file and the separate transmission of described experience fragment are set, wherein, described experience fragment reflects the content of described DRM file;
Described downloading service module is used to one or more browsers that download service is provided.
12. DRM engine as claimed in claim 11 is characterized in that, described setting provides module that the address that described experience fragment carries described DRM file is set.
13. a browser is characterized in that, comprises downloading preserving module, relating module,
Module is preserved in described download, is used for downloading and preserving described experience fragment and experience the fragment authority from the DRM engine;
Described relating module is used for related described experience fragment and experiences the fragment authority.
14. browser as claimed in claim 13 is characterized in that, described browser also comprises playing module, is used to play described experience fragment.
15. browser as claimed in claim 13, it is characterized in that, described download is preserved module after downloading and preserve described experience fragment and experiencing the fragment authority, also comprises: handle and metadata that establishment and preservation are relevant with described DRM file, and send to described DRM engine.
16. browser as claimed in claim 15 is characterized in that, described handle comprises variable Object ID, and described experience fragment authority comprises variable ID, and described relating module is associated described variable Object ID with described variable ID.
17. a DRM document handling system that is used for portable terminal, this system comprises server and portable terminal, and described server also comprises the DRM engine, and described portable terminal also comprises one or more browsers,
Described server, the authority that is used to store and provide the experience fragment of DRM file, described DRM file and experiences fragment, and described DRM file and the separate transmission of described experience fragment are set, wherein, described experience fragment reflects the content of described DRM file,
Described portable terminal is used for downloading and preserving described experience fragment and experience the fragment authority from described DRM engine, and related described experience fragment and experience fragment authority.
18. the DRM document handling system that is used for portable terminal as claimed in claim 17 is characterized in that described DRM engine is provided with the address that described experience fragment carries described DRM file.
19. the DRM document handling system that is used for portable terminal as claimed in claim 17, it is characterized in that, described browser is after downloading and preserve described experience fragment and experiencing the fragment authority, also comprise: handle and metadata that establishment and preservation are relevant with described DRM file, and send to described DRM engine.
20. the DRM document handling system that is used for portable terminal as claimed in claim 17, it is characterized in that, described handle comprises variable Object ID, and described experience fragment authority comprises variable ID, and described portable terminal is associated described variable Object ID with described variable ID.
21. the DRM document handling system that is used for portable terminal as claimed in claim 17 is characterized in that, described browser is play described experience fragment after described experience fragment and experience fragment authority are successfully associated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102617448A CN102110203A (en) | 2009-12-29 | 2009-12-29 | Method and system for processing DRM file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102617448A CN102110203A (en) | 2009-12-29 | 2009-12-29 | Method and system for processing DRM file |
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| CN102110203A true CN102110203A (en) | 2011-06-29 |
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| CN2009102617448A Pending CN102110203A (en) | 2009-12-29 | 2009-12-29 | Method and system for processing DRM file |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062114A1 (en) * | 2014-10-24 | 2016-04-28 | 中兴通讯股份有限公司 | Information processing method, epg server and client |
| CN111651618A (en) * | 2019-09-26 | 2020-09-11 | 李迎春 | Intelligent database management platform |
-
2009
- 2009-12-29 CN CN2009102617448A patent/CN102110203A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062114A1 (en) * | 2014-10-24 | 2016-04-28 | 中兴通讯股份有限公司 | Information processing method, epg server and client |
| CN111651618A (en) * | 2019-09-26 | 2020-09-11 | 李迎春 | Intelligent database management platform |
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Application publication date: 20110629 |