EMA protection of a calculation by an electronic circuit
US8321691B2 · kind B2 · utility
2Cited by
2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 2007 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Sep 19, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/046
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for masking a digital quantity used by a calculation executed by an electronic circuit and including several iterations, each including at least one operation which is a function of at least one value depending on the digital quantity, the method including at least one first step of displacement of at least one operand of the operation in a storage element selected independently from the value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.