Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675652 | Computer readable device implementing a software-efficient pseudorandom function encryption | Phillip Rogaway | 1997-10-07 |
| 5661807 | Authentication system using one-time passwords | Richard Henry Guski, Raymond Craig Larson, Stephen M. Matyas, Donald B. Johnson | 1997-08-26 |
| 5592553 | Authentication system using one-time passwords | Richard Henry Guski, Raymond Craig Larson, Stephen M. Matyas, Donald B. Johnson | 1997-01-07 |