Circuit and method for detecting a fault attack
US8963574B2 · kind B2 · utility
6Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 27, 2011 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Jun 22, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/417
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A device for detecting a fault attack, including: a circuit for detecting an interruption of a power supply; a circuit for comparing the duration of said interruption with a first threshold; and a counter of the number of successive interruptions of the power supply having a duration which does not exceed the first threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.