Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7680271 | Zero-knowledge proof cryptography methods and devices | Louis Guillou | 2010-03-16 |
| 7386122 | Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of two | Louis Guillou | 2008-06-10 |
| 7382875 | Cryptographic method for distributing load among several entities and devices therefor | Marc Girault | 2008-06-03 |
| 7266197 | Method, system, device for proving the authenticity of an entity and/or the integrity and/or the authenticity of a message using specific prime factors | Louis Guillou | 2007-09-04 |
| 7080254 | Method, system, device for proving authenticity of an entity or integrity of a message | Louis Guillou | 2006-07-18 |
| 6032169 | Arithmetic circuit for calculating a square | Ralf Malzahn | 2000-02-29 |
| 5351300 | Method of modifying pseudo-random sequences and device for scrambling or descrambling information components | Issa Rakhodai | 1994-09-27 |
| 5305383 | Method of electronic payment by chip card by means of numbered tokens allowing the detection of fraud | Louis Guillou | 1994-04-19 |
| 5285403 | Arithmetic processing module to be associated with a microprocessor central processing unit | Jean-Pierre Bournas, Dominique De Waleffe | 1994-02-08 |
| 5218637 | Method of transferring a secret, by the exchange of two certificates between two microcomputers which establish reciprocal authorization | Didier Angebaud, Jean-Luc Giachetti, Louis Guillou | 1993-06-08 |
| 5214701 | Method of processing data by compression and permutation for microcircuit cards | Xavier Delaporte, Benoit Leterrier | 1993-05-25 |
| 5166978 | Encoding system according to the so-called RSA method, by means of a microcontroller and arrangement implementing this system | — | 1992-11-24 |
| 5163154 | Microcontroller for the rapid execution of a large number of operations which can be broken down into sequences of operations of the same kind | Jean-Pierre Bournas, Dominique De Waleffe, Peter Klapproth | 1992-11-10 |
| 5140634 | Method and apparatus for authenticating accreditations and for authenticating and signing messages | Louis Guillou | 1992-08-18 |
| 5079733 | Pseudo-random sequence generator arrangement | Patrick Antoine | 1992-01-07 |
| 5001753 | Crytographic system and process and its application | Marc Davio, Philippe Gautier, Willem Isphording, Herve/ Sizabuire | 1991-03-19 |