Apparatus and methods for attacking a screening algorithm...

Details Apparatus and methods for attacking a screening algorithm... Apparatus and methods for attacking a screening algorithm...

2007-05-01

2007-05-01

Eddy, Elisca Pierre (Department: 3621)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Usage protection of distributed data files

C705S050000, C705S051000

Reexamination Certificate

active

09998082

ABSTRACT:
Apparatus and methods for attacking a screening algorithm. Content to be downloaded is identified. The identified content is then partitioned into at least two sections, wherein each of the at least two sections has a duration which is less than a duration of a threshold duration value assigned by the screening algorithm, and the partitioned content is subjected to a screening algorithm. Once the content has been successfully downloaded, the integrity of the downloaded content may be restored by reassembling the sections.

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patent: 2002/0107802 (2002-08-01), Philips
patent: 2005/0010795 (2005-01-01), Tagawa et al.
patent: 2001036516 (2001-02-01), None
Secure Digital Music Initiative (SDMI), SDMI Portable Device Specification, Part 1, Version 1.0, pp. 1-35, Jul. 8, 1999.
Secure Digital Music Intitiative (SDMI), Amendment 1 to SDMI Portable Device Specification, Part 1, Version 1.0, pp. 1-2, Sep. 23, 1999.
Secure Digital Music Initiative (SDMI), Guide to the SDMI Portable Device Specification, Part 1, pp. 1-5.
Kalker : “System issues in digital image and video watermarking for copy protection” Proceedings Of The International Conference On Multimedia Computing And Systems, Jun. 7, 1999, pp. 562-567.

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