Antifraud method and circuit for an integrated circuit register containing data obtained from secret quantities
US7373463B2 · kind B2 · utility
1Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2004 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Jul 27, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An integrated circuit and an antifraud method implementing at least one operation involving at least one secret quantity, and functionally including upstream and downstream of the operator at least one source register and at least one destination register, respectively, and including means for loading a random number at least in the destination register.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.