Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229818 | Method and apparatus for enciphering blocks which succeed short blocks in a key-controlled block-cipher cryptographic system | Stephen M. Matyas, Carl H. W. Meyer | 1980-10-21 |
| 4223403 | Cryptographic architecture for use with a high security personal identification system | Alan G. Konheim | 1980-09-16 |