Key sharing for DRM interoperability

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C705S051000, C705S057000, C380S201000, C380S278000, C380S282000, C713S193000

Reexamination Certificate

active

07840489

ABSTRACT:
According to one embodiment, a method comprises generating a cryptographic key and sharing the cryptographic key with a plurality of digital rights management (DRM) systems supplied by different providers. This provides flexibility in using any DRM system by media receiving devices targeted to receive media.

REFERENCES:
patent: 4802215 (1989-01-01), Mason
patent: 4803725 (1989-02-01), Horne et al.
patent: 5091936 (1992-02-01), Katznelson et al.
patent: 5742680 (1998-04-01), Wilson
patent: 5850218 (1998-12-01), LaJoie et al.
patent: 5897218 (1999-04-01), Nishimura et al.
patent: 5917915 (1999-06-01), Hirose
patent: 6028932 (2000-02-01), Park
patent: 6061451 (2000-05-01), Muratani et al.
patent: 6105134 (2000-08-01), Pinder et al.
patent: 6125349 (2000-09-01), Maher
patent: 6157719 (2000-12-01), Wasilewski et al.
patent: 6166780 (2000-12-01), Bray
patent: 6307939 (2001-10-01), Vigarie
patent: 6330672 (2001-12-01), Shur
patent: 6487646 (2002-11-01), Adams et al.
patent: 6609039 (2003-08-01), Schoen
patent: 6824051 (2004-11-01), Reddy et al.
patent: 6834110 (2004-12-01), Marconcini et al.
patent: 7039614 (2006-05-01), Candelore
patent: 7107462 (2006-09-01), Fransdonk
patent: 7233668 (2007-06-01), Weinstein et al.
patent: 7702589 (2010-04-01), Candelore
patent: 2002/0186843 (2002-12-01), Weinstein et al.
patent: 2003/0076955 (2003-04-01), Alve et al.
patent: 2003/0161476 (2003-08-01), Fransdonk
patent: 2003/0217011 (2003-11-01), Peinado et al.
patent: 2006/0210084 (2006-09-01), Fransdonk
patent: 2003330897 (2003-11-01), None
Electronic Industries Alliance, “EIA Standard, Digital Television (DTV) Closed Captioning” Dec. 1999, EIA-708-B.
“U.S. Appl. No. 09/437,590”,Office Action mailedMay 21, 2002.
“U.S. Appl. No. 09/437,590”,Office Action mailedOct. 29, 2002.
“U.S. Appl. No. 09/437,590”,Final Office Action mailedMay 20, 2003.
“U.S. Appl. No. 09/437,590”,Office Action mailedDec. 5, 2003.
“U.S. Appl. No. 09/437,590”,Final Office Action mailedJun. 3, 2004.
“U.S. Appl. No. 10/209,341”,Office Action mailedMar. 17, 2004.
“U.S. Appl. No. 10/209,341”,Final Office Action mailedJun. 8, 2004.
“U.S. Appl. No. 10/209,341”,Office Action mailedJan. 13, 2005.
“U.S. Appl. No. 10/209,341”,Office Action mailedJan. 4, 2006.
“U.S. Appl. No. 10/209,341”,Office Action mailedJun. 19, 2006.
“U.S. Appl. No. 10/209,341”,Office Action mailedDec. 18, 2006.
“U.S. Appl. No. 10/209,341”,Office Action mailedJul. 26, 2007.
“U.S. Appl. No. 10/209,341”,Office Action mailedJan. 10, 2008.
“U.S. Appl. No. 10/209,341”,Final Office Action mailedAug. 7, 2008.
Benini, Luca , et al., “Energy-Efficient Data Scrambling on Memory Processor Interfaces”,ISLPED'03, Aug. 25-27, 2003, Seoul, Korea.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Key sharing for DRM interoperability does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Key sharing for DRM interoperability, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Key sharing for DRM interoperability will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4219913

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.