Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610982 | Compact certification with threshold signatures | — | 1997-03-11 |
| 5604804 | Method for certifying public keys in a digital signature scheme | — | 1997-02-18 |
| 5537475 | Efficient digital signature algorithm and use thereof technical field | — | 1996-07-16 |
| 5519778 | Method for enabling users of a cryptosystem to generate and use a private pair key for enciphering communications between the users | Frank T. Leighton | 1996-05-21 |
| 5499296 | Natural input encryption and method of use | — | 1996-03-12 |
| 5432852 | Large provably fast and secure digital signature schemes based on secure hash functions | Frank T. Leighton | 1995-07-11 |
| 5420927 | Method for certifying public keys in a digital signature scheme | — | 1995-05-30 |
| 5351302 | Method for authenticating objects identified by images or other identifying information | Frank T. Leighton | 1994-09-27 |
| 5315658 | Fair cryptosystems and methods of use | — | 1994-05-24 |
| 5276737 | Fair cryptosystems and methods of use | — | 1994-01-04 |
| 5016274 | On-line/off-line digital signing | Oded Goldreich, Shimon Even | 1991-05-14 |
| 4995081 | Method and system for personal identification using proofs of legitimacy | Frank T. Leighton | 1991-02-19 |
| 4944009 | Pseudo-random sequence generator | Claus Peter Schnorr | 1990-07-24 |
| 4879747 | Method and system for personal identification | Frank T. Leighton | 1989-11-07 |