Method for protecting a proprietary file

Details Method for protecting a proprietary file Method for protecting a proprietary file

2009-03-27

2011-11-15

Leroux, Etienne (Department: 2166)

Data processing: database and file management or data structures

File or database maintenance

Synchronization

C707S603000, C707S608000, C707S664000, C707S698000, C707S802000

Reexamination Certificate

active

08060469

ABSTRACT:
A file containing proprietary content can be protected against unauthorized duplication via file sharing between remote computers connected to an Internet swapping service. To this end, the content to be protected is searched on the Internet, at least the hash ID of each data record offered as a search hit is stored, this hash ID is linked to substitute content data, and queries of remote computers for the file to be protected are responded to by offering the modified data record.

REFERENCES:
patent: 7529770 (2009-05-01), Dzeko et al.
patent: 2002/0184505 (2002-12-01), Mihcak et al.
“Handbook of Applied Cryptography” Alfred J Menezes, Paul C. van Oorschoot and Scott A. Vanstone (Aug. 1997).
“Trusted Computing, Peer-To-Peer Distribution and the Economics of Pirated Entertainment.” Stuart E Schechter, Rachael A. Greedstadt, and Michael D Smith (May 29, 2003).
“Trusted Computing, Peer-To-Peer Distribution, and the Economics of Pirated Entertainment.” Stuart E Schechter, Rachel A. Greenstadt, and Michael D Smith.
“Handbook of Applied Cryptography” Alfred J Menezes, Paul C. van Oorschot and Scott A. Vanstone.
“Chord: A Scalable Peer-to-peer Lookup Service for Internet Applications” Ion Stoica, Robert Morris, David Karger, M. Frans Kaashoek, Hari Balakrishnany.

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