Authentication based on physically unclonable functions
US11050574B2 · kind B2 · utility
2Cited by
4References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 19, 2018 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Aug 10, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0869
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system for authenticating a device is provided. A noisy response is received from a physically unclonable function for a challenge. An error code is generated for correcting the noisy first response. An expected response is generated from the noisy first response and the error code. The expected response and corresponding first helper data is store. The helper data includes the first challenge and the error code. The helper data is provided to a device in response to an authentication request from the device, the first device including the physically unclonable function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.