Cryptographic device and method
US11818245B2 · kind B2 · utility
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20Claims
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Assignee
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Key dates
| Filing date | Feb 22, 2022 |
| Grant date | Nov 14, 2023 |
| Priority date | — |
| Expiry date | Feb 22, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Some embodiments are directed to an electronic cryptographic device arranged to perform a cryptographic operation on input data obtaining output data. The cryptographic device stores an internal state as sets of shares. Fourier coefficients corresponding to the sets of shares satisfy a predetermined relationship among them. The cryptographic operation is performed by repeatedly updating the internal state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.