Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804355 | Block cipher for small selectable block sizes | — | 2004-10-12 |
| 6731758 | Digital video content transmission ciphering and deciphering method and apparatus | David A. Lee, Robert W. Faber | 2004-05-04 |
| 6725373 | Method and apparatus for verifying the integrity of digital objects using signed manifests | John M. Carbajal, Carlos V. Rozas | 2004-04-20 |