Detection of the authenticity of an electronic circuit or of a product containing such a circuit
US10579832B2 · kind B2 · utility
0Cited by
8References
20Claims
0Family size
Assignees
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Key dates
| Filing date | Nov 26, 2018 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Nov 26, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C27/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of authenticating a slave device. The method includes initializing, by a host device, a charge retention circuit of the slave device, and receiving, by the host device, an indication of a discharge time of the charge retention circuit. The host device authenticates the slave device based on the received indication of the discharge time of the charge retention device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.