Network-based content distribution system

Details Network-based content distribution system Network-based content distribution system

2001-02-20

2008-09-16

Vu, Kimyen (Department: 2135)

Information security

Prevention of unauthorized use of data including prevention...

C726S027000, C726S028000, C726S029000, C726S030000, C705S050000, C705S051000

Reexamination Certificate

active

07426750

ABSTRACT:
A method and system for transferring electronic media information over a public network in such a way as to provide safeguards for inappropriate distribution of copyright or otherwise protected materials are described. The media information is transparently watermarked with a unique ID, such as one generated from X.509 Digital Certificate and public-key cryptography public/private key pairs, such that the information can be identified as belonging to a particular individual. A system and method for monitoring the movement of such watermarked files, positively identifying people who have inappropriately distributed copyright materials over a public network without permission, and taking appropriate enforcement action against such people.

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Chi, C.H., et al.,Automatic proxy-based watermarking for WWW, Computer Communications, Elsevier Science Publishers BV., Amsterdam, NL, vol. 24, No. 2, Feb. 1, 2000, pp. 144-154.

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