METHOD AND DEVICE FOR DIGITAL RIGHTS PROTECTION

• US 20090119782A1
• Filed: 11/07/2007
• Published: 05/07/2009
• Est. Priority Date: 11/07/2007
• Status: Abandoned Application

• Current Assignee: SanDisk IL Ltd. (Western Digital Corporation)
• Original Assignee: SanDisk IL Ltd. (Western Digital Corporation)
• Inventors: Mardiks, Eitan
• Application Number:
  US11/936,103
• Publication Number:
  US 20090119782A1
• Time in Patent Office: Days
• US Class Current: 726/27
• CPC Class Codes: G06F 21/55 Detecting local intrusion or implementing counter-measures
• CPC Class Codes: G06F 21/78 to assure secure storage of data address-based protection against unauthorised use of memory G06F12/14; record carriers for use with machines and with at least a part designed to carry digital markings G06K19/00
• CPC Class Codes: G06F 2221/2127 Bluffing

Abstract

Data stored in a memory are provided to a host by monitoring how the host accesses the data, and by responding to a deviation of the access from a dynamic access profile that corresponds to the data, e.g. by terminating the access, by issuing a report of the deviation, or by sending spurious data to the host. Preferably, the dynamic access profile is stored in the memory in association with the data. A data storage device includes a memory for storing the data and an access control mechanism.

Claims

1. A method of providing data stored in a memory to a host of the memory, comprising the steps of:

(a) monitoring an access, by the host, of data stored in the memory, said data having a dynamic access profile associated therewith; and

(b) responding to a deviation of said access from said dynamic access profile.

2. The method of claim 1, wherein said responding includes terminating said access.

3. The method of claim 1, wherein said responding includes issuing a report of said deviation.

4. The method of claim 1, wherein said responding includes sending spurious data to the host.

5. The method of claim 1, further comprising the step of:

(c) providing said dynamic access profile.

6. The method of claim 5, wherein said providing includes learning a normal access pattern of the data.

7. The method of claim 1, wherein said dynamic access profile includes a rate schedule of access of the data by the host.

8. The method of claim 1, wherein said dynamic access profile includes a sequence of access of the data by the host.

9. The method of claim 1, wherein said dynamic access profile includes an identity of the data.

10. A data storage device for providing data to a host, comprising:

(a) a memory wherein the data are stored together with a corresponding data access profile; and

(b) an access control mechanism for

(i) monitoring an access by the host to said memory; and

(ii) responding to a deviation of said access from said dynamic access profile.

11. The data storage device of claim 10, wherein said responding includes terminating said access.

12. The data storage device of claim 10, wherein said responding includes issuing a report of said deviation.

13. The data storage device of claim 10, wherein said responding includes sending spurious data to the host.

14. The data storage device of claim 10, wherein said dynamic access profile includes a rate schedule of access of the data by the host.

15. The data storage device of claim 10, wherein said dynamic access profile includes a sequence of access of the data by the host.

16. The data storage device of claim 10, wherein said dynamic access profile includes an identity of the data.

17. The data storage device of claim 10, further comprising:

(c) a standard interface to the host.