WO2008113217A2

WO2008113217A2 - A method and apparatus for updating object having rights attributes

Info

Publication number: WO2008113217A2
Application number: PCT/CN2007/000918
Authority: WO
Inventors: Pei Dang; Yimin Li
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2007-03-21
Filing date: 2007-03-21
Publication date: 2008-09-25
Also published as: WO2008113217A3

Abstract

A method for updating objects having rights attributes, to solve the problem that a terminal device can continue to consume the original media objects after updating the media object. The method includes the following steps: the terminal device obtains the changed media object from the server, and obtains the corresponding new rights object from the rights issue server; the said terminal device installs the obtained media object, and deletes the original media object and the original rights object. Still a terminal device is disclosed meanwhile.

Description

Method and device for updating copyright attribute object

Technical field

The present invention relates to digital rights management technologies in the field of wireless communications, and in particular, to a method and apparatus for updating a copyright attribute object. Background technique

With the development of wireless networks, mobile terminal download services are becoming more and more colorful, and download functions are becoming more and more enhanced. Due to the support for digital content protection and good user experience, download descriptions have appeared. The downloading method of embedding the copyright object RO related information in the character DD: the specific information related to the RO related to the media object MO (or media content, content) to be downloaded may be described in the download descriptor, and the terminal receives the download descriptor after receiving the download descriptor , the RO can be obtained according to the RO related information in the DD, thereby ensuring that the user can use the downloaded content correctly. Using this method, the download of the media content and the download of the corresponding RO can be completed in one download process, thereby facilitating the user's use of the content. Since the media object and the corresponding copyright can be downloaded together in one downloading process, when the user updates the media object, if the copyright object of the updated media object is different from the copyright object of the original media object, the updated media object will be new. The copyright object is downloaded to the terminal together.

At present, the update process for the media object MO with the relevant copyright information (the media content has its own copyright) is shown in Figure 1. The main process is as follows:

100. The media object MO and its corresponding copyright object RO (the RO only corresponds to the media object MO) have been successfully downloaded and installed in the user terminal.

The user requests to update the MO, and the terminal requests the latest DD of the content according to the update request mi address corresponding to the media object in the DD.

101. The download server sends the latest download descriptor DD to the terminal.

102. For this example, the media object has been updated and the updated media object MO, the corresponding copyright object RO has also changed. For the MO of this example, the corresponding copyright object is RO, and therefore DD' contains MO, information and corresponding RO, related information. The terminal compares the information corresponding to the media object (such as the object identifier ObjectID, the object version ObjectVersion) in DD and DD to determine whether the media object MO to be updated has changed.

103. The terminal confirms that the MO has been updated, so the user is requested to confirm the update.

104. The user confirms the update MO.

105, 106, the terminal download agent requests the latest media object MO from the download server, and obtains the latest media object MO'.

107. The terminal download agent sends the rights object acquisition information to the DRM agent.

108, 109. The terminal DRM agent requests the copyright issuing server MO, the corresponding copyright object RO' and obtains it, and the anti-rights object RO'.

110. The terminal DRM agent returns a copyright acquisition result to the download agent.

111. The terminal performs installation of the media object MO, and deletes the old media object MO after the installation is successful.

112. The terminal sends a successful installation report to the download server.

The current update process for sharing multiple RO objects for multiple media objects is shown in Figure 2:

200. The media object MOl, M02 and its common copyright object RO (the download information of MOl, M02 are described in one DD) have been successfully downloaded and installed in the user terminal.

The user requests to update M01, and the terminal download agent requests the latest DD of the content according to the update request URI address in the DD.

201. The download server sends the latest download descriptor DD to the terminal.

202. For this example, both MO1 and M02 have been updated, and the copyright objects they share have also been updated. Therefore, DD contains ΜΟΓ, M02, information and corresponding RO' related terminal download agent comparison DD and DD The information corresponding to each media object determines whether each media object has changed.

203. The terminal download agent confirms that M01 and M02 have been updated, so the user is required to select the media object that needs to be updated among the content that has been updated.

204. The user confirms that only M01 is updated.

205. The terminal download agent sends the rights object acquisition information to the DRM agent. 206, 207. The terminal DRM agent requests the copyright issuing server RO corresponding to the copyright issuing server, and obtains the copyright object RO'.

208. The terminal DRM agent returns a copyright acquisition result to the download agent.

209, 210, the terminal download agent requests the latest media object from the download server and obtains the latest media object ΜΟΓ.

211. The terminal performs the installation of the media object ,, and deletes the old media object Μ01 after the installation is successful.

212. The terminal sends a successful installation report to the download server.

For the above solution, since the user updates a media object with relevant copyright information in the DD, only the old media object is deleted after the update is successful, and the copyright object corresponding to the old media object is not deleted, so that the old copyright object is not deleted. The user can obtain the old media object through super distribution or other means, so that after the old media object is successfully updated, the old media object can continue to be consumed in the terminal, thereby violating the update principle. '

Secondly, for the case where multiple media objects share a copyright in the DD, since the current method allows updating of a single media object therein, the update of the plurality of media objects is also updated while updating the individual media objects. Corresponding new copyright, so that the user can obtain updated versions of other media objects through super distribution or other means without updating other media objects in the terminal, thereby reducing the copyright of other media objects in the terminal. The object's control over content consumption. Summary of the invention

Embodiments of the present invention provide a method and apparatus for updating a copyright attribute object to solve the problem that the original media object can continue to be consumed after updating the media object in the prior art.

Further, in the prior art, after updating one of the media objects when a plurality of media objects share one copyright object, other updated media objects may be obtained for consumption by other means.

A method for updating a copyright attribute object, comprising the steps of: The terminal device acquires the changed media object from the server, and acquires a corresponding new copyright object from the copyright publishing server;

The terminal device installs the acquired media object and deletes the original media object and its original copyright object. '

A method for updating a copyright attribute object, comprising the steps of:

The terminal device determines that the plurality of media objects sharing the same rights object have changed on the server, and requires that all the changed media objects sharing the same rights object must be updated when updating the original media object;

After confirming that the update is required, the terminal device acquires a new copyright object from the copyright publishing server and acquires a plurality of media objects that have changed from the server;

The terminal device installs the plurality of media objects that have changed, and deletes the original plurality of media objects.

A terminal device, comprising:

Means for obtaining a changed media object from a server, and obtaining a corresponding new copyright object from a copyright publishing server;

A device for installing acquired media objects and deleting the original media objects and their original rights objects. A terminal device, comprising:

A plurality of media objects for determining that the same rights object is shared has changed on the server, and requires that devices that share all changed media objects of the same rights object must be updated when updating the original media object;

Means for obtaining a new rights object from a copyright publishing server and obtaining the plurality of media objects that have changed from the server after confirming that the update is required;

Means for installing the plurality of media objects that have changed and deleting the original plurality of media objects.

In the embodiment of the present invention, after the terminal device updates the media object, not only the original media object but also the copyright object corresponding to the original media object is deleted, so that the user cannot continue to use the old media content after updating the media content; When a piece of media content shares a copyright object, It is mandatory to require the user to update all the updated media content at one time, and no longer allow the user to select, thereby ensuring that the user can only use the new media content after updating the media content, thereby improving the intensity of the copyright object controlling the consumption of the media content. DRAWINGS

1 is a flow chart of updating a media object in the prior art;

1 is a flow chart of updating a media object sharing a copyright object in the prior art; FIG. 3 is a schematic structural diagram of a terminal device according to Embodiment 1 of the present invention;

4 is a flowchart of updating a media object according to Embodiment 1 of the present invention;

FIG. 5 is a flowchart of updating a media object according to Embodiment 2 of the present invention;

FIG. 6 is a flowchart of determining that a plurality of media objects share a copyright object according to Embodiment 2 of the present invention; FIG. 7 is a flowchart of a process for a user to cancel updating a media object according to Embodiment 2 of the present invention. detailed description

In this embodiment, the update method of the object with copyright information in the download descriptor DD is enhanced, so that the user can no longer use the old media content after updating the media content successfully. Further, in the case that a plurality of media contents share one copyright object, the user is forced to update all the media content that has been updated at one time, and the user is no longer selected, thereby ensuring that the user can only use the new media content after updating the media content. This ensures that the update is proceeding normally.

Embodiment 1

This embodiment is described by taking a media object update having its own related copyright information as an example.

Referring to FIG. 3, the terminal device 30 includes an interaction module 300, a download proxy module 301, and a digital rights management DRM proxy module 302. The interaction module 300 is configured to output information to the user and receive input information of the user. The download proxy module 301 is configured to The download server 31 communicates, downloads the DD and the media object from the download server 31, determines whether the media object has changed according to the DD, and installs and deletes the media object, etc.; the DRM agent module 302 is configured to communicate with the copyright distribution server 32 for copyright related The processing, such as applying for a copyright object and deleting the copyright object. Referring to FIG. 4, in the embodiment, the process of updating the media object by the terminal device is as follows: Step 400: The media object MO and its corresponding copyright object RO have been successfully downloaded and installed in the user terminal (the RO only corresponds to the media object MO) ). The user requests to update the MO, and the download proxy module in the terminal device requests the download server for the latest DD' of the content according to the update request URI address corresponding to the media object in the DD.

Step 401: The download server sends the latest download descriptor DD' to the terminal.

Step 402: For this example, since the media object has been updated and the updated media object MO, the copyright object of the pair has also changed, and the updated MO, the corresponding copyright object is RO, and thus DD , contains MO, information and corresponding RO, related information. Download Agent Module Compares the information corresponding to the media object in DD and DD' (such as object identifier ObjectlD, object version ObjectVersion) to determine whether the media object MO to be updated has changed.

Step 403: Confirm that the MO has been updated, so the user is requested to confirm the update through the interaction module. Step 404: The user confirms to update the MO.

Steps 405-406: The download agent module requests the latest media object MO from the download server, and the download server returns the latest media object MO to the download agent module of the terminal.

Step 407: The download agent module sends the rights object acquisition information to the DRM agent module.

Steps 408-409, the DRM agent module requests the MO from the copyright issuing RI server, and the corresponding copyright object RO, returns the copyright object RO by the RI server.

Step 410: The DRM agent module reports a copyright acquisition result to the download agent module.

Step 411: The download agent module controls the installation of the media object MO, and deletes the old media object MO after the installation is successful.

Step 412: The download proxy module requests the DRM proxy module to delete the old copyright object RO. Step 413: The DRM agent module in the terminal deletes the old copyright object RO.

Step 414: The DRM agent module reports the copyright deletion result to the download agent module.

Step 415: The download agent module in the terminal sends a successful installation report to the download server.

In the above process, the deletion of the original copyright object RO can also successfully obtain a new copyright object RO in steps 408-409, after which the download agent module learns to successfully obtain a new copyright object RO' That is, request to delete the original copyright object RO.

In order to further ensure the control of the consumption of the media content by the copyright object, for the state-of-the-art copyright object (the terminal device can judge whether there is state information according to the description information in the RO according to the existing method), before the deletion, the DRM agent module merges the original copyright. The state information in the object and the new copyright object, to ensure that the new copyright object refers to the state information of the original rights object to control the user to consume the updated media object. For example: The original copyright object is limited to users only using 10 media objects, the user has used 5 times, and can also use 5 times. The new copyright object still restricts users from using it 10 times. At this point, the DRM Agent module can modify the number of restrictions in the new rights object to allow the user to use it 5 times.

The merging of the rights object can also be performed on the copyright publishing service. When the terminal device requests a new rights object from the RI server, the RI server finds that it belongs to the stateful RO, and then the terminal device is required to provide the original RO, and then the server according to the state on the original RO. After the information is modified, the status information of the new RO is sent to the terminal device.

For the state-of-the-art rights object, the copyright can be returned to the copyright distribution server before the deletion, that is, the original device is submitted to the copyright distribution server by the terminal device, and the release server performs the refund process.

The copyright object merge or return process may be selected by the DRM agent module in the terminal device, or may be prompted by the user through the interaction module. All processing of the rights object, such as direct deletion, DRM agent local merging, copyright publishing server remote merging, returning, DRM agent selection, user selection, etc., may specify in the download descriptor DD which processing method is used, the terminal device according to This indication selects the appropriate processing method.

The operations performed and the functions performed by the download agent module and the DRM agent module of the embodiment may be decomposed into a plurality of corresponding function modules, such as completing installation of the media object by another installation module, and deleting the module by another module. The deletion of the media object or the like is completed, and such a change does not affect the implementation of the present invention, and is substantially the same.

Embodiment 2

In this embodiment, an update of a plurality of media objects sharing one RO is taken as an example for description.

Referring to FIG. 3, the terminal device 30 includes an interaction module 300, a download agent module 301, and a DRM. The proxy module 302 is configured to output information to the user and receive input information of the user. The download proxy module 301 is configured to communicate with the download server 31, and download the DD and the media object from the download server 31 for determining multiple devices on the device. Whether the media shares the same copyright object, whether the plurality of media objects have changed, and installing and deleting media objects, etc.; the DRM agent module 302 is configured to communicate with the copyright distribution server 32 to perform copyright processing, such as applying for a copyright object. And delete the copyright object.

The operations performed and the functions performed by the download agent module and the DRM agent module of the present embodiment can be decomposed into a plurality of corresponding function modules, and such changes do not affect the implementation of the present invention, and are substantially the same.

As shown in FIG. 5, in the embodiment, the process of updating the media object by the terminal device is as follows: Step 500: The user object MO1, M02 and its common copyright object RO (download information of MO1, M02) have been successfully downloaded and installed in the user terminal. It is described in a DD) (see the background art for specific DD information). The user requests to update the MO1, and the download agent module in the terminal device requests the latest DD of the content from the download server according to the update URI address in the DD.

Step 501: The download server sends the latest download descriptor DD to the terminal.

Step 502: In this example, since both MO1 and M02 are updated, and the copyright objects shared by them are also updated, DD includes ΜΟΓ, M02, information, and corresponding RO, related information (specific DD, information) See the background art).

The download agent module in the terminal compares the information corresponding to each media object in DD and DD to determine whether each media object has changed. In addition, the terminal also needs to determine whether the media object requested by the user to share with the other media object is a copyright object.

Step 503: The terminal download agent confirms that MO1, M02 have been updated, and they share the same rights object. Therefore, the interaction module prompts the user to update all the media objects that have been updated to share the copyright object.

Step 504: The user confirms that all media objects MO that have been updated are updated.

Step 505: The download agent of the terminal sends the copyright object acquisition information to the DRM agent module. Steps 506-507, the DRM agent module of the terminal requests a new copyright object RO from the copyright issuing RI server, and the rights object RO is returned by the RI server.

Step 508: The DRM agent module of the terminal reports the copyright acquisition result to the download agent.

Steps 509-510, the download proxy module of the terminal requests the latest media object from the download server, and returns the media object by the download server.

Step 511-512: The DRM agent module of the terminal requests the latest media object M02' from the download server; the media object Μ02 is returned by the download server.

Step 513: The download agent module of the terminal performs installation of the media object ΜΟΓ, Μ 02, and needs to delete the old media object MOl, Μ02 after successful installation.

Step 514: The download agent module of the terminal requests the DRM agent module to delete the original copyright object RO.

Step 515: The DRM agent module of the terminal deletes the original copyright object RO.

Step 516: The DRM agent module of the terminal reports the copyright deletion result to the download agent module. Step 517: The download agent module of the terminal sends a successful installation report to the download server.

In the above process, the deletion of the original copyright object RO can also be successfully obtained in steps 506-507, and the new copyright object RO is successfully executed immediately after the success.

Similarly, in order to further ensure the control of the consumption of the media content by the copyright object, for the stateful copyright object (the terminal device can judge whether there is a state according to the description information in the RO according to the existing manner), the DRM agent module can also be used before the deletion. The specific implementation of the copyright object merging or returning process is the same as in the first embodiment, and will not be described.

Referring to FIG. 6, the process of determining whether the current media object shares the same copyright object with other media objects is as follows (description of DD is as shown in the background art):

Step 600: Obtain product attribute information in the DD.

Step 601: Traverse all product attribute descriptions, determine whether the current media object is defined in a product attribute description, and if yes, proceed to step 602; otherwise, proceed to step 605.

Step 602: Determine whether a copyright attribute is defined in the attribute description of the current media object, and if yes, proceed to step 605; otherwise, proceed to step 603. Step 603: Determine whether the product defining the current media object has a copyright attribute and further define another media object having no copyright attribute. If yes, proceed to step 604; otherwise, proceed to step 605.

Step 604: Determine that the current media object shares the same rights object with other media objects defined in the DD, and ends.

Step 605: Determine that the current media object does not share the same rights object with other media objects defined in the DD, and ends.

Referring to Figure 7, the specific process when the user cancels the update is as follows:

Step 700: The media object MO1, M02 and its common copyright object RO (the download information of M01, M02 are described in one DD) have been successfully downloaded and installed in the user terminal (refer to the background art for specific DD information). The user requests to update M01, and the download agent module in the terminal device requests the latest DD of the content from the download server according to the update request URI address in the DD.

Step 701: The download server sends the latest download descriptor DD to the terminal.

Step 702: In this example, since both M01 and M02 are updated, and the copyright objects shared by them are also updated, the DD includes ΜΟΓ, M02, information, and corresponding RO, related information (specific DD, information). See the background art).

The download agent module in the terminal compares the information corresponding to each media object in DD and DD to determine whether each media object has changed. In addition, the download agent module of the terminal also needs to determine whether the media object requested by the user shares a copyright object with other media objects.

Step 703: The download agent module of the terminal confirms that MO1, M02 have been updated, and they share the same rights object. Therefore, the interaction module prompts the user to update all the media objects that have been updated to share the rights object.

Step 704: The user cancels the update.

Step 705: The download agent module sends an error status report that the user cancels the update to the server. With the above technical solution, the user can no longer continue to use the old media content after updating the media content, and for the case where a plurality of media content shares a copyright object, the user is forced to update all the updated media content at a time. No longer let the user choose, thus guaranteeing After updating the media content, the user can only use the new media content to improve the control of the copyright object's consumption of the media content.

It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Therefore, it is intended that the present invention cover the modifications and variations of the invention as claimed.

Claims

Rights request

A method for updating a copyright attribute object, comprising the steps of: acquiring, by a terminal device, a media object that has changed from a server, and acquiring a corresponding new copyright object from a copyright publishing server;

The terminal device installs the acquired media object and deletes the original media object and its original copyright object.

2. The method of claim 1, wherein the media object is a media object having an independent copyright attribute.

3. The method according to claim 1, wherein the changed media object is a plurality of media objects sharing the same rights object, and the terminal device prohibits downloading only the plurality of media objects. Some of the media objects are installed locally, that is, the multiple media objects must be downloaded and installed. ■

The method according to claim 3, wherein before downloading the plurality of media objects, the terminal device prompts the user to update all the changed media objects sharing the same rights object, if the user confirms Update, then proceed to the next step, otherwise, end the update process.

5. The method according to claim 1, wherein the terminal device deletes the original copyright object immediately after acquiring the new rights object successfully; or, after the terminal device successfully installs the updated media object, deleting the original copyright Object.

The method according to one of claims 1 to 5, characterized in that, for the state-of-the-art rights object, the rights object is further merged before the original rights object is deleted, so that the new rights object is controlled with reference to the state information of the original rights object. The user consumes the updated media object; or, for the stateful copyright object, the copyright object is further returned to the copyright publishing server before deleting the original copyright object.

7. The method according to claim 6, wherein the rights object merging is performed on the terminal device; or the rights object is submitted by the terminal device to the copyright publishing server for copyright object merging, and then combined by copyright The publishing server delivers the new copyright object to the terminal device.

8. The method according to claim 6, wherein the copyright object is merged or returned, The user selects or prompts the user to make a selection.

9. The method according to claim 8, wherein the processing method of the original copyright object is specified in the download descriptor, and the terminal performs corresponding processing according to the instruction.

10. A method for updating a copyright attribute object, comprising the steps of: determining, by the terminal device, that a plurality of media objects sharing the same rights object have changed on a server, and requiring updating when updating the original media object Share all changed media objects of the same copyright object; '

After confirming that the update is required, the terminal device acquires a new rights object from the copyright publishing server and acquires the plurality of media objects that have changed from the server;

The method according to claim 10, wherein the terminal device prompts the user to update all the changed media objects sharing the same rights object, and the user selects.

12. The method according to claim 10, wherein the terminal device further deletes the original rights object corresponding to the original plurality of media objects.

The method according to claim 12, wherein the terminal device deletes the original copyright object immediately after acquiring the new rights object successfully; or, after the terminal device successfully installs the updated media object, deleting the original copyright Object.

14. The method according to claim 12 or 13, wherein, for the state-of-the-art rights object, the rights object is further merged before the original rights object is deleted, so that the new rights object controls the user consumption update with reference to the state information of the original rights object. After the media object; or, for the stateful copyright object, the copyright object is further returned to the copyright publishing server before deleting the original copyright object.

The method according to claim 14, wherein the rights object merging is performed on the terminal device; or the rights object is submitted by the terminal device to the copyright publishing server for copyright object merging, and then merged by copyright The publishing server delivers the new copyright object to the terminal device.

16. A method as claimed in claim 14, characterized in that the copyright object merge or return process is selected by the terminal or prompted by the terminal to make a selection.

17. The method of claim 16, wherein the processing of the original rights object is indicated in the download descriptor, and the terminal performs corresponding processing according to the indication.

18. A terminal device, comprising:

A device for installing acquired media objects and deleting the original media objects and their original rights objects.

The terminal device according to claim 18, further comprising:

For combining the original rights object and the new rights object before deleting the stateful original rights object, so that the new rights object can control the user to consume the updated media object by referring to the state information of the original rights object; or the device for returning the rights object .

20. A terminal device, comprising:

The terminal device according to claim 20, further comprising:

Means for deleting an original copyright object shared by the plurality of media objects.

The terminal device according to claim 21, further comprising: