Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6985583 | System and method for authentication seed distribution | John Brainard, Burton S. Kaliski, Jr., Magnus Bo Gustaf Nyström | 2006-01-10 |
| 6970070 | Method and apparatus for selective blocking of radio frequency identification devices | Ari Juels, Michael Szydlo | 2005-11-29 |
| 6269163 | Enhanced block ciphers with data-dependent rotations | Matthew Robshaw, Raymond Mark Sidney, Yiqun Yin | 2001-07-31 |
| 5835600 | Block encryption algorithm with data-dependent rotations | — | 1998-11-10 |
| 5724428 | Block encryption algorithm with data-dependent rotations | — | 1998-03-03 |
| 5144667 | Method of secure remote access | Russell Wilbur Pogue, Jr. | 1992-09-01 |
| 4691299 | Method and apparatus for reusing non-erasable memory media | Adi Shamir | 1987-09-01 |
| 4405829 | Cryptographic communications system and method | Adi Shamir, Leonard M. Adleman | 1983-09-20 |
| 4376299 | Data center for remote postage meter recharging system having physically secure encrypting apparatus and employing encrypted seed number signals | — | 1983-03-08 |