Detection of the authenticity of an electronic circuit or of a product containing such a circuit
US10169622B2 · kind B2 · utility
1Cited by
6References
21Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 8, 2017 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Dec 8, 2037 |
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.