| 8301881 |
Proactive forced renewal of content protection implementations |
C. Brendan S. Traw |
2012-10-30 |
| 8121952 |
System, method, and service for delivering multimedia content by means of a permission to decrypt titles on a physical media |
Bradley Collar, Jeffrey Bruce Lotspiech, Florian Pestoni, Spencer Stephens |
2012-02-21 |
| 7958350 |
Proactive forced renewal of content protection implementations |
C. Brendan S. Traw |
2011-06-07 |
| 7845015 |
Public key media key block |
Carl M. Ellison, Brendan Traw, Gary L. Graunke |
2010-11-30 |
| 7725945 |
Discouraging unauthorized redistribution of protected content by cryptographically binding the content to individual authorized recipients |
Jeffrey Bruce Lotspiech |
2010-05-25 |
| 7392381 |
Proactive forced renewal of content protection implementations |
C. Brendan S. Traw |
2008-06-24 |
| 7305711 |
Public key media key block |
Carl M. Ellison, Brendan Traw, Gary L. Graunke |
2007-12-04 |
| 7305086 |
Reducing problems caused by variations in watermark detection results |
— |
2007-12-04 |
| 7111169 |
Method and apparatus for content protection across a source-to-destination interface |
Brendan Traw |
2006-09-19 |
| 7111175 |
Method and apparatus for verifying the integrity of a media key block |
— |
2006-09-19 |
| 7013010 |
Method and apparatus for optimally formatting media key blocks stored on media with high transfer latencies |
— |
2006-03-14 |
| 6957343 |
Validating keying material by using a validation area of read-only media to prevent playback of unauthorized copies of content stored on the media |
C. Brendan S. Traw |
2005-10-18 |
| 6738878 |
Verifying the integrity of a media key block by storing validation data in the cutting area of media |
Jeffrey Bruce Lotspiech, Atsushi Ishihara, Taku Kato, Yoshihisa Fukushima |
2004-05-18 |
| 6105117 |
Source oriented data block relocation methodology and applications |
— |
2000-08-15 |
| 5845297 |
Disk block relocation de-optimization detection methodology and applications |
Knut S. Grimsrud |
1998-12-01 |