Protection method and device against a side-channel analysis
US10491372B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2017 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Dec 29, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for executing, by a circuit, an operation combining first and second input data and providing an output data of the same size, may include generating from the first input data a first input set including all possible data in relation to a size of the first data, generating from the second input data a second input set including all possible data in relation to a size of the second data, and applying the operation to each pair of data including a data of the first input set and a data of the second input set, an output set of the operation including data resulting from the application of the operation to each of the pairs of data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.