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Token node locking with fingerprints authenticated by digital certificates |
Jason A. Pasion, Xin Qiu, Alexander Medvinsky, Ting Yao, Jinsong Zheng +1 more |
2024-04-16 |
| 11777732 |
Token node locking |
Jason A. Pasion, Xin Qiu, Alexander Medvinsky, Ting Yao, Jinsong Zheng +1 more |
2023-10-03 |
| 11757637 |
Token node locking with signed fingerprints offloaded to clients |
Jason A. Pasion, Xin Qiu, Alexander Medvinsky, Ting Yao, Jinsong Zheng +1 more |
2023-09-12 |
| 9385997 |
Protection of control words employed by conditional access systems |
Alexander Medvinsky, Lawrence D. Vince |
2016-07-05 |
| 8156560 |
Method and apparatus for providing a border guard between security domains |
Bridget Kimball, Annie Chen, Michael T. Habrat, Douglas M. Petty, Eric J. Sprunk +1 more |
2012-04-10 |
| 7929483 |
Method and apparatus for providing a secure system time |
Bridget Kimball, Michael T. Habrat, Douglas M. Petty, Eric J. Sprunk, Lawrence Tang |
2011-04-19 |
| 7765600 |
Methods and apparatuses for authorizing features of a computer program for use with a product |
Jeri L. Saunders, Annie Chen, Erik Elstermann |
2010-07-27 |
| 7305555 |
Smart card mating protocol |
Eric J. Sprunk, Lawrence Tang, Annie Chen, Bridget Kimball, Douglas M. Petty |
2007-12-04 |
| 7080397 |
Communication protocol for content on demand system with callback time |
Keith Cochran |
2006-07-18 |
| 6978022 |
System for securing encryption renewal system and for registration and remote activation of encryption device |
Lawrence Tang |
2005-12-20 |