Abstract
SRAM Physical Unclonable Functions (PUFs) are one of the popular forms of PUFs that can be used to generate unique identifiers and randomness for security purposes. Hence, their resilience to attacks is crucial. The probability of attacks increases when the SRAM PUF start-up values follow a predictable pattern which we refer to as bias. In this paper, we investigate the parameters impacting the SRAM PUF bias of advanced FinFET SRAM designs. In particular, we analyze the bias with respect to temperature, mismatches in the power supply network, and ramp-up time. We also consider process variation, circuit noise, and SRAM layout in our analysis. Our simulations results match with the silicon measurements. From the experiments we conclude that (i) the SRAM layout and in particular the power supply network can lead to a bias, (ii) this bias increases with temperature, and (iii) this bias increases when the supply ramp-up time decreases.
| Original language | English |
|---|---|
| Title of host publication | 2023 IFIP/IEEE 31st International Conference on Very Large Scale Integration, VLSI-SoC 2023 |
| Publisher | Institute of Electrical and Electronics Engineers |
| Number of pages | 6 |
| ISBN (Electronic) | 979-8-3503-2599-7 |
| DOIs | |
| Publication status | Published - 22 Nov 2023 |
| Externally published | Yes |
| Event | 31st International Conference on Very Large Scale Integration, VLSI-SoC 2023 - Dubai, United Arab Emirates Duration: 16 Oct 2023 → 18 Oct 2023 |
Conference
| Conference | 31st International Conference on Very Large Scale Integration, VLSI-SoC 2023 |
|---|---|
| Abbreviated title | VLSI-SoC 2023 |
| Country/Territory | United Arab Emirates |
| City | Dubai |
| Period | 16/10/23 → 18/10/23 |
Funding
This work is partially funded by the Resilient Trust project of the EU s Horizon Europe research and innovation programme under grant agreement No. 101112282.
| Funders | Funder number |
|---|---|
| European Union's Horizon 2020 - Research and Innovation Framework Programme | 101112282 |
Keywords
- Bias
- FinFET
- Power Supply Network
- SRAM PUF
- Temperature
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