System and method for distributing electronic content utilizing electronic license keys

• US 20060020556A1
• Filed: 06/28/2005
• Published: 01/26/2006
• Est. Priority Date: 07/01/2004
• Status: Abandoned Application

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Hamnen, Jan Hakan
• Application Number:
  US11/167,957
• Publication Number:
  US 20060020556A1
• Time in Patent Office: Days
• US Class Current: 705/59
• CPC Class Codes: G06F 21/10 Protecting distributed programs or content, e.g. vending or licensing of copyrighted material protection in video systems or pay television H04N7/16 ; Digital rights management [DRM]
• CPC Class Codes: G06F 21/12 Protecting executable software
• CPC Class Codes: G06Q 20/06 Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
• CPC Class Codes: G06Q 20/1235 with control of digital rights management [DRM]
• CPC Class Codes: G06Q 20/367 involving electronic purses or money safes
• CPC Class Codes: G07F 17/0014 for vending, access and use of specific services not covered anywhere else in G07F17/00 meter-controlled dispensing of liquid, gas or electricity G07F15/00

Abstract

A system and method for distributing electronic content from a content creator to an end-user operating an end-user device. The end-user purchases a number of license tokens, which are electronically distributed to the end-user device from a distributor. The license tokens are utilized to access protected software in the end-user device for decrypting encrypted electronic content. The end-user selects a content piece from the distributor'"'"'s menu, which indicates a content identifier and a predefined number of license tokens required for each content piece. The end-user then downloads the selected content piece in encrypted form and the device utilizes the predefined number of license tokens and the content identifier to generate a license key and access decryption software in the end-user device, which is utilized to decrypt the downloaded content piece. The consumed license tokens and decrypted content are reported to the distributor for proper allocation of revenue to those in the distribution chain.

Claims

1. A system for distributing electronic content from a content creator to an end-user operating an end-user device, said system comprising:

a sales mechanism for selling a license token to the end-user and distributing the license token to the end-user device;

a data downloading mechanism for downloading encrypted electronic content to the end-user device;

a protected software portion within the end-user device, wherein the protected software portion includes decryption software for decrypting the encrypted electronic content; and

means within the end-user device for generating a license key utilized to access the decryption software, wherein the license key is generated based on the license token and a content identifier for the downloaded encrypted electronic content, wherein the decryption software decrypts the identified downloaded encrypted electronic content upon access by the license key.

2. The system of claim 1, wherein the electronic sales mechanism sells a plurality of license tokens to the end-user, and the system further comprises a secure memory associated with the end-user device for storing the plurality of license tokens.

3. The system of claim 2, further comprising means for generating information indicating that a license token has been consumed whenever a license token is utilized to generate the license key.

4. The system of claim 3, further comprising a reporting mechanism for reporting to the distributor that the license token has been consumed by the end-user.

5. The system of claim 2, wherein the data downloading mechanism downloads a plurality of encrypted electronic content pieces to the end-user device together with a menu that enables the end-user to select desired content pieces for decryption.

6. The system of claim 5, wherein the menu indicates a number of license tokens required to decrypt each content piece on the menu.

7. The system of claim 6, wherein the menu includes a content identifier for each content piece, and the means for generating the license key utilizes the content identifier for a selected content piece together with the required number of license tokens for the selected content piece to generate a license key that enables decryption of only the selected content piece.

8. The system of claim 5, further comprising a data forwarding mechanism in the end-user device for forwarding downloaded encrypted electronic content to other end-user devices.

9. A method of distributing electronic content from a content creator to an end-user operating an end-user device that includes a protected software portion, wherein the protected software portion includes decryption software for decrypting encrypted electronic content, said method comprising:

selling a license token to the end-user;

distributing the license token to the end-user device;

downloading encrypted electronic content to the end-user device, said content having a content identifier;

generating a license key for the downloaded encrypted electronic content based on the license token and the content identifier;

utilizing the license key by the end-user device to access the decryption software; and

decrypting the downloaded encrypted electronic content.

10. The method of claim 9, wherein the steps of selling a license token, distributing the license token, and downloading the encrypted electronic content are performed by a media company.

11. The method of claim 9, wherein the steps of selling a license token, distributing the license token, and downloading the encrypted electronic content are performed by a distributor of the electronic content.

12. The method of claim 11, further comprising, after the step of distributing the license token to the end-user device, the step of storing the license token in a secure memory associated with the end-user device.

13. The method of claim 12, further comprising, after the step of generating a license key for the downloaded encrypted electronic content based on the license token and the content identifier, the step of generating information indicating that the license token has been consumed to generate the license key for the downloaded content.

14. The method of claim 13, further comprising reporting to the distributor that the license token has been consumed by the end-user, and the content identifier of the decrypted content.

15. The method of claim 9, further comprising forwarding downloaded encrypted electronic content from the end-user device to other end-user devices.

16. A system in an end-user device for receiving from a distributor, electronic content created by a content creator, said system comprising:

a purchasing mechanism for purchasing a plurality of license tokens from the distributor;

a secure memory associated with the end-user device for storing the plurality of license tokens;

means for receiving from the distributor, a menu comprising a plurality of electronic content pieces;

means for selecting from the menu a desired electronic content piece having a content identifier;

a data downloading mechanism for downloading the selected electronic content piece from the distributor in encrypted form;

a protected software portion that includes decryption software for decrypting the encrypted electronic content; and

means for generating a license key for the selected electronic content piece based on the license token and the content identifier, wherein the license key is utilized to access the decryption software, which decrypts the selected electronic content piece upon access by the license key.

17. The system of claim 16, wherein the menu indicates a predefined number of license tokens associated with, and required to be consumed, to generate a license key for each electronic content piece.

18. The system of claim 17, further comprising means for generating information indicating that a license token has been consumed whenever a license token is utilized to generate the license key.

19. The system of claim 18, further comprising a reporting mechanism for reporting to the distributor, the number of license tokens that have been consumed by the end-user, and the content identifiers of the decrypted content pieces.

20. The system of claim 16, further comprising a data forwarding mechanism for forwarding downloaded encrypted electronic content to other end-user devices.

21. A method in an end-user device for receiving from a distributor, electronic content created by a content creator, wherein the end-user device includes a protected software portion that includes decryption software for decrypting encrypted electronic content, said method comprising:

purchasing a plurality of license tokens from the distributor;

storing the plurality of license tokens in a secure memory associated with the end-user device;

receiving from the distributor, a menu listing a plurality of electronic content pieces;

selecting from the menu, a desired electronic content piece having a content identifier;

downloading the selected electronic content piece from the distributor in encrypted form;

generating a license key for the selected electronic content piece based on a predefined number of license tokens and the content identifier;

accessing the decryption software utilizing the license key; and

decrypting the selected electronic content piece utilizing the decryption software.

22. The method of claim 21, wherein the menu indicates a predefined number of license tokens associated with, and required to be consumed, to generate a license key for each electronic content piece.

23. The method of claim 22, further comprising:

recording the content identifier of the decrypted electronic content piece; and

recording that the predefined number of license tokens were consumed.

24. The method of claim 23, further comprising reporting to the distributor, the content identifier of the decrypted electronic content piece and the number of tokens consumed.

25. The method of claim 24, wherein after downloading the selected electronic content piece, the generating, accessing, decrypting, and recording steps are performed off-line, and the reporting step is performed when the end-user device next logs onto the distributor'"'"'s website.

26. The method of claim 21, wherein the step of purchasing a plurality of license tokens includes purchasing the plurality of tokens over-the-counter at a distributor'"'"'s store or a third-party vendor'"'"'s store.

27. The method of claim 26, wherein the step of purchasing the plurality of tokens over-the-counter at a distributor'"'"'s or third-party vendor'"'"'s store includes:

obtaining a distributor'"'"'s code; and

downloading the tokens over the Internet to the secure memory associated with the end-user device utilizing the distributor'"'"'s code.

28. The method of claim 21, wherein the step of purchasing a plurality of license tokens includes:

purchasing the plurality of tokens at the distributor'"'"'s website; and

downloading the tokens to the end-user device over the Internet.

29. The method of claim 21, wherein the step of storing the plurality of license tokens in a secure memory includes storing the tokens in a memory device selected from the group consisting of a plug-in USB flash memory, a smart card, and a hard drive utilized with the end-user device.

30. The method of claim 21, wherein the step of downloading the selected electronic content piece in encrypted form is performed at no cost to the end-user.

31. The method of claim 21, wherein the step of selecting a desired electronic content piece includes selecting a plurality of desired electronic content pieces, which are downloaded in encrypted form and stored in a content database associated with the end-user device.

32. The method of claim 21, further comprising forwarding downloaded encrypted electronic content from the end-user device to other end-user devices.

33. The method of claim 32, wherein the step of forwarding downloaded encrypted electronic content includes forwarding the downloaded encrypted electronic content from the end-user device to a portable music player.

34. The method of claim 32, wherein the step of forwarding downloaded encrypted electronic content includes forwarding the downloaded encrypted electronic content from the end-user device to end-user devices belonging to other end-users.