Method for allowing content protected by a first DRM system to be accessed by a second DRM system

• US 20080114693A1
• Filed: 11/14/2006
• Published: 05/15/2008
• Est. Priority Date: 11/14/2006
• Status: Abandoned Application

• Current Assignee: SanDisk Technologies LLC (Western Digital Corporation)
• Original Assignee: SanDisk Technologies LLC (Western Digital Corporation)
• Inventors: Rasizade, Oktay S., Tanik, Haluk K., Jogand-Coulomb, Fabrice
• Application Number:
  US11/600,005
• Publication Number:
  US 20080114693A1
• Time in Patent Office: Days
• US Class Current: 705/59
• CPC Class Codes: G06F 21/1075 Editing

Abstract

A method for allowing content protected by a first DRM system to be accessed by a second DRM system is disclosed. In one embodiment, a request is received from a host application for a license for content protected by a first DRM system, the first DRM system being different from the host application'"'"'s DRM system. A license supported by the host application'"'"'s DRM system is then generated from a license supported by the first DRM system. In another embodiment, a request is received to store content protected by a first DRM system. In response to the request, a portable license for the content is generated from a license supported by the first DRM system. Alternatively or additionally, a portable file format for the content is generated from a file format supported by the first DRM system. The request can come from a first computing platform, and the portable license and/or file format can be generated by a second computing platform. Other embodiments are disclosed, and each of the embodiments can be used alone or together in combination.

Claims

1. A method for providing a license to an application for content protected by a digital rights management (DRM) system different from the application'"'"'s DRM system, the method comprising:

(a) receiving, from an application, a request for a license for content protected by a first DRM system, the first DRM system being different from the application'"'"'s DRM system;

(b) generating a license supported by the application'"'"'s DRM system from a license supported by the first DRM system; and

(c) providing the generated license to the application.

2. The method of claim 1, wherein the license supported by the first DRM system is recognizable by a component in communication with the application, and wherein the component generates the license in (b).

3. The method of claim 2, wherein the component is part of a device comprising the application.

4. The method of claim 2, wherein a first device comprises the application, and wherein the component is part of a second device in communication with the first device.

5. The method of claim 4, wherein the second device comprises a portable memory device.

6. The method of claim 2, wherein the component comprises a software agent.

7. The method of claim 6, wherein the software agent comprises a first module operative to recognize the license supported by the first DRM system and a second module operative to generate the license supported by the application'"'"'s DRM system.

8. The method of claim 2, wherein the content is stored in a file comprising a file format, wherein the file format is not supported by the application'"'"'s DRM system but is recognizable by the component.

9. The method of claim 2, wherein the component is also included in a plurality of devices each comprising a respective additional application, whereby each application receives a license supported by that application'"'"'s DRM system.

10. The method of claim 1, wherein the generated license comprises at least one permission from the license supported by the first DRM system.

11. The method of claim 1, wherein the generated license comprises at least one permission not in the license supported by the first DRM system.

12. The method of claim 11, wherein the at least one permission comprises one or both of a move restriction and a copy restriction.

13. A method for storing content protected by a first digital rights management (DRM) system in a portable format, the method comprising:

(a) receiving a request to store content protected by a first DRM system; and

(b) performing one or both of the following;

(b1) generating a portable license for the content from a license supported by the first DRM system; and

(b2) generating a portable file format for the content from a file format supported by the first DRM system.

14. The method of claim 13, wherein (b) is performed by a component in communication with an application providing the request.

15. The method of claim 14, wherein the component is part of a device comprising the application.

16. The method of claim 14, wherein a first device comprises the application, and wherein the component is part of a second device in communication with the first device.

17. The method of claim 16, wherein the second device comprises a portable memory device.

18. The method of claim 14, wherein the component comprises a software agent.

19. The method of claim 13 further comprising storing information associated with the content, wherein the information specifies that, when an attempt is made to access the content, the content should be handled by a component that provides cross-DRM functionality.

20. The method of claim 13 further comprising performing both (b1) and (b2).

24. The method of claim 20 further comprising storing information associated with the content, wherein the information specifies that, when an attempt is made to access the content, the content should be handled by a component that provides cross-DRM functionality.

21. A method for storing content protected by a first digital rights management (DRM) system in a portable format, the method comprising:

(a) receiving a request from a first computing platform to store content protected by a first DRM system; and

(b) with a second computing platform in communication with the first computing platform, performing one or both of the following;

(b1) generating a portable license for the content from a license supported by the first DRM system; and

(b2) generating a portable file format for the content from a file format supported by the first DRM system.

22. The method of claim 21, wherein the first computing platform comprises a host device, and wherein the second computing platform comprises a portable memory device in communication with the host device.

23. The method of claim 22, wherein the second computing platform comprises a software agent that performs (b).

25. The method of claim 21 further comprising performing both (b1) and (b2).