Copyright control of encrypted data using uncorrected errors...

Details Copyright control of encrypted data using uncorrected errors... Copyright control of encrypted data using uncorrected errors...

2006-06-06

2006-06-06

Smithers, Matthew (Department: 2137)

Information security

Prevention of unauthorized use of data including prevention...

C713S193000, C380S201000, C705S057000, C369S053210

Reexamination Certificate

active

07058977

ABSTRACT:
A data storing medium has a digital data area in which encrypted digital data or non-encrypted digital data is written, a control data area in which control data necessary for reproducing recorded digital data is written, and a copyright control information area in which copyright control information necessary for decrypting encrypted digital data is written, wherein the copyright control information area is write-prohibited, and wherein the control data area is write-permitted.

REFERENCES:
patent: 5646993 (1997-07-01), Aizawa
patent: 5737286 (1998-04-01), Timmermans et al.
patent: 5917910 (1999-06-01), Ishiguro et al.
patent: 6081785 (2000-06-01), Oshima et al.
patent: 6320829 (2001-11-01), Matsumoto et al.
patent: 6532201 (2003-03-01), Hogan
patent: 6590846 (2003-07-01), Tosaki et al.
patent: 6718501 (2004-04-01), Brody et al.
patent: 2002/0159357 (2002-10-01), Tosaki et al.
patent: 0802535 (1997-10-01), None
patent: WO 97/50081 (1997-12-01), None
patent: WO 200115028 (2001-03-01), None
patent: WO 200141130 (2001-06-01), None
Peck, Frances. “Misplaced and Dangling Modifiers”, HyperGrammar. University of Ottawa, 1996. www.uottawa.ca/academic/arts/writcent/hypergrammar/msplmod.html [Retrieved Apr. 16, 2005.] 4 pages.
Bloom, Jeffrey et al. “Copy Protection for DVD Video”. Proceedings of the IEEE, vol. 87, No. 7. Jul. 1999. pp. 1267-1276.

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