Physically unclonable function with feed-forward addressing and variable latency output
US11082241B2 · kind B2 · utility
2Cited by
17References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2018 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Dec 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An embodiment of a semiconductor package apparatus may include technology to generate a first output from a physically unclonable function (PUF) based on a challenge, modify the challenge based on the first output, and generate a response based on the modified challenge. Some embodiments may additionally or alternatively include technology to change a read sequence of the PUF based on an output of the PUF. Some embodiments may additionally or alternatively include technology to vary a latency of a linear feedback shift register based on an output from the PUF. Other embodiments are disclosed and claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.