Controlling database copyrights

• US 7,730,323 B2
• Filed: 11/06/2006
• Issued: 06/01/2010
• Est. Priority Date: 04/01/1994
• Status: Expired due to Fees

• Current Assignee: Piracy Protection LLC (LF Capital Partners, LLC)
• Original Assignee: Intarsia LLC (Intellectual Ventures LLC)
• Inventors: Saito, Makoto
• Primary Examiner(s): Song; Hosuk
• Application Number:
  US11/556,992
• Publication Number:
  US 20070110228A1
• Time in Patent Office: 1,303 Days
• Field of Search: 380/201, 380/203, 380/277, 713/189, 713/193, 726 26- 31, 726/34, 705/51, 705 57- 59
• US Class Current: 713/189
• 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 2221/2135 Metering
• CPC Class Codes: G06Q 20/02 involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
• CPC Class Codes: G11B 20/00086 Circuits for prevention of unauthorised reproduction or copying, e.g. piracy indicating unauthorised use of record carriers in general G11B23/28; scrambling for television signal recording H04N5/913; network architectures or network protocols for network security H04L63/00; cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
• CPC Class Codes: G11B 20/0021 involving encryption or decryption of contents recorded on or reproduced from a record carrier
• CPC Class Codes: G11B 20/00224 wherein the key is obtained from a remote server
• CPC Class Codes: H04H 60/23 using cryptography, e.g. encryption, authentication, key distribution
• CPC Class Codes: H04L 2209/605 Copy protection
• CPC Class Codes: H04L 2463/101 applying security measures for digital rights management data processing systems or methods, specially adapted for commerce, e.g. marketing, shopping, billing, auctions or e-commerce G06Q30/00
• CPC Class Codes: H04L 63/0442 wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption cryptographic mechanisms or cryptographic arrangements for public-key encryption H04L9/30
• CPC Class Codes: H04L 63/062 for key distribution, e.g. centrally by trusted party cryptographic mechanisms or cryptographic arrangements for key distribution involving a central third party H04L9/0819
• CPC Class Codes: H04L 9/088 Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms network architectures or network communication protocols for using time-dependent keys in a packet data network H04L63/068
• CPC Class Codes: H04N 1/32128 attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image for information embedded in the image H04N1/32144
• CPC Class Codes: H04N 1/4406 Restricting access, e.g. according to user identity mechanisms actuated y cards, PIN or the like in apparatus for dispensing G07F7/08
• CPC Class Codes: H04N 1/4426 involving separate means, e.g. a server, a magnetic card
• CPC Class Codes: H04N 1/4433 to an apparatus, part of an apparatus or an apparatus function
• CPC Class Codes: H04N 1/444 to a particular document or image or part thereof
• CPC Class Codes: H04N 1/4486 using digital data encryption
• CPC Class Codes: H04N 2201/3246 of data relating to permitted access or usage, e.g. level of access or usage parameters for digital rights management [DRM] related to still images
• CPC Class Codes: H04N 2201/3281 Encryption; Ciphering

Abstract

Briefly, in accordance with one or more embodiments, copyrights of digital data may be controlled.

Claims

1. A method, comprising:

a computer system receiving encrypted data; and

the computer system using a first utilization permit key associated with the received encrypted data to decrypt said received encrypted data, wherein the first utilization permit key is usable to authorize the performing of at least one, but not all, of a plurality of operations on a version of the decrypted data, wherein the plurality of operations include two or more of the following types of operations;

displaying, editing, storing, copying, transferring; and

wherein the first utilization permit key is usable to authorize the performing of at least one of the plurality of operations on a re-encrypted version of the decrypted data.

2. The method of claim 1, wherein said plurality of operations are hierarchical.

3. The method of claim 1, further comprising using a copyright management program to manage utilization of said received encrypted data.

4. The method of claim 3, further comprising receiving said copyright management program.

5. The method of claim 1, wherein said received data includes copyright information.

6. The method of claim 5, wherein said copyright information includes original copyright information and copyright information added to said data by a copyright management program.

7. The method of claim 5, further comprising a copyright management program verifying that the copyright information is present.

8. The method of claim 1, further comprising receiving the first utilization permit key with said encrypted data.

9. A method, comprising:

a computer system receiving encrypted data and a utilization permit key;

the computer system using the utilization permit key on said received encrypted data, wherein said utilization permit key includes a first permit key and a second permit key;

wherein said first permit key is pre-defined to permit the performing of a first function of a plurality of functions on said received data;

wherein said second permit key is pre-defined to permit the performing of a second function of the plurality of functions on said received data, wherein the first function is different than the second function; and

wherein said first permit key is pre-defined to permit the performing of the first function on a decrypted version of the received encrypted data, and wherein the second permit key is pre-defined to permit the performing of the second function on a re-encrypted version of the received encrypted data.

10. The method of claim 9, wherein said plurality of functions is hierarchical, and includes two or more of the following types of functions:

displaying of data, editing of data, storing of data, copying of data, transferring of data.

11. The method of claim 9, further comprising using a copyright management program for managing utilization of said data.

12. The method of claim 11, further comprising receiving said copyright management program.

13. The method of claim 9, wherein said received data includes copyright information.

14. The method of claim 13, wherein said copyright information includes original copyright information and copyright information added to said received data by a copyright management program.

15. The method of claim 13, wherein said received data cannot be used without the receipt of copyright information associated with the received data.

16. A method comprising:

a computer system receiving encrypted data;

the computer system decrypting said received encrypted data;

the computer system determining whether said decrypted data includes copyright information, and, if not, preventing use of said decrypted data;

upon determining that the decrypted data includes copyright information, the computer system using a utilization permit key to authorize performing one or more of a plurality of operations on the decrypted data and one or more of the plurality of operations on a re-encrypted version of the decrypted data.

17. The method of claim 16, wherein the plurality of operations is hierarchical.

18. The method of claim 16, further comprising using a copyright management program to manage utilization of said received data.

19. The method of claim 18, further comprising receiving said copyright management program along with said utilization permit key.

20. The method of claim 16, wherein said copyright information includes original copyright information and edit copyright information added to said data by a copyright management program.

21. The method of claim 16, further comprising receiving the utilization permit key with said encrypted data.

22. A method, comprising:

receiving, at a computing device, encrypted data;

the computing device using a utilization permit key to authorize the performing of one or more, but not all, of a plurality of operations on said received encrypted data and prevent the performing of the remaining plurality of operations on said received encrypted data; and

the computing device using a copyright management program to manage utilization of said received encrypted data, wherein said copyright management program is received along with said utilization permit key.

23. The method of claim 22, further comprising decrypting said received encrypted data using the utilization permit key, and wherein said plurality of operations is hierarchical.

24. The method of claim 22, further comprising receiving the utilization permit key with said encrypted data, the method further comprising decrypting the received encrypted data using the utilization permit key.

25. A method, comprising:

a first computer system encrypting data using a utilization permit key, wherein the utilization permit key is usable by a second computer system to decrypt the encrypted data and to authorize the second computer system to perform a first set of one or more of a predetermined set of operations on the decrypted data and to perform a second set of one or more of the predetermined set of operations on a re-encrypted version of the decrypted data, wherein the operations in the first and second sets of operations are not identical, and wherein the first set of operations does not include all of the operations in the predetermined set of operations.

26. The method of claim 25, further comprising the first computer system providing the encrypted data and the utilization permit key to the second computer system.

27. The method of claim 26, wherein the encrypted data includes copyright information, the absence of which prevents use of a decrypted version of the encrypted data received at the second computer system.

28. An article of manufacture including a computer-readable medium having instructions stored thereon that, if executed by a computer system, cause the computer system to perform a method comprising:

receiving encrypted data;

decrypting the received data using a utilization permit key, wherein the utilization permit key is farther configured to permit a first set of operations to be performed on the decrypted data, and to prevent a second set of operations from being performed on the decrypted data, and wherein the utilization permit key is further configured to permit at least one of the second set of operations to be performed on a re-encrypted version of the decrypted data.

29. The article of manufacture of claim 28, wherein the first and second sets of operations are hierarchical.

30. The article of manufacture of claim 29, wherein the first set of operations includes two or more of the following types of operations:

displaying of data, editing of data, storing of data, copying of data, transferring of data.

31. The article of manufacture of claim 28, wherein the program instructions are further executable to verify that the data includes copyright information.

32. The article of manufacture of claim 31, wherein the copyright information includes original copyright information and copyright information subsequently added to the data.

33. The article of manufacture of claim 28, wherein the received data cannot be used without the receipt of copyright information associated with the received data.

34. A computing device, comprising:

a processor;

memory storing program instructions executable by the computing device to;

receive encrypted data;

use a first utilization permit key associated with the received encrypted data to decrypt said received encrypted data;

wherein the first utilization permit key is usable to authorize the performing of at least one, but not all, of a predetermined plurality of operations on a version of the decrypted data, wherein the predetermined plurality of operations include two or more of the following types of operations;

displaying, editing, storing, copying, transferring; and

wherein the first utilization permit key is usable to authorize performing at least one, but not all, of the predetermined plurality of operations on a re-encrypted version of the decrypted data, including at least one of the predetermined plurality of operations that the first utilization permit key does not authorize performing with respect to the decrypted data.

35. The computing device of claim 34, wherein the plurality of operations are hierarchical.

36. The computing device of claim 35, wherein the first utilization permit key is usable to authorize the performing of displaying of decrypted data and editing of decrypted data but not transferring of decrypted data.

37. The computing device of claim 34, wherein the program instructions are further executable by the computing device to verify that the received data includes copyright information.

38. The computing device of claim 37, wherein the copyright information includes original copyright information and copyright information subsequently added to the received data.

39. The computing device of claim 34, wherein the received data cannot be used without the receipt of copyright information associated with the received data.

40. An apparatus, comprising:

an interface configured to receive encrypted data; and

means for using a utilization permit key to authorize the performing of one or more, but not all, of a predetermined plurality of operations and to prevent the performing of the remaining plurality of operations on a decrypted version of the received encrypted data, and for using the utilization permit key to authorize the performing of at least one of the predetermined plurality of operations on a re-encrypted version of the decrypted version of the received encrypted data.

41. A method comprising:

a computer system receiving encrypted data and a utilization permit key for the data;

the computer system using a copyright management program to manage utilization of the received data, including;

the computer system using the copyright management program to decrypt the received encrypted data using the utilization permit key;

the computer system using the copyright management program to authorize performing a first set of one or more of a plurality of operations on the decrypted data and a second set of one or more of the plurality of operations on a re-encrypted version of the decrypted data, wherein the first and second set of operations are specified by the utilization permit key.