A 0.36pJ/bit Analog PUF Based on Current Steering DAC and VCO

Mohammadhadi Danesh; Aishwarya Bahudhanam Venkatasubramaniyan; Gaurav Kapoor; Arindam Sanyal

doi:10.1109/MWSCAS.2019.8884835

A 0.36pJ/bit Analog PUF Based on Current Steering DAC and VCO

Mohammadhadi Danesh, Aishwarya Bahudhanam Venkatasubramaniyan, Gaurav Kapoor, Arindam Sanyal

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

Abstract

This paper proposes an analog weak physical unclonable function (PUF). The proposed PUF derives its unique key from random mismatch in a cascode current steering thermometer digital-to-analog converter (DAC). The DAC drives a voltage-controlled 7-stage ring oscillator (RO). MSB of the difference in phase outputs of two ROs generate the PUF response. An N-bit PUF key can be produced from a single proposed PUF cell by running the VCOs for N sampling periods which results in the proposed PUF having the lowest area/bit among weak PUFs. A prototype fabricated in 65nm has an intra-HD of 0.0906 and inter-HD of 0.4859 for 2048-bit PUF key.

Original language	English (US)
Title of host publication	2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	578-581
Number of pages	4
ISBN (Electronic)	9781728127880
DOIs	https://doi.org/10.1109/MWSCAS.2019.8884835
State	Published - Aug 2019
Externally published	Yes
Event	62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019 - Dallas, United States Duration: Aug 4 2019 → Aug 7 2019

Publication series

Name	Midwest Symposium on Circuits and Systems
Volume	2019-August
ISSN (Print)	1548-3746

Conference

Conference	62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019
Country/Territory	United States
City	Dallas
Period	8/4/19 → 8/7/19

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/MWSCAS.2019.8884835

Cite this

Danesh, M., Venkatasubramaniyan, A. B., Kapoor, G., & Sanyal, A. (2019). A 0.36pJ/bit Analog PUF Based on Current Steering DAC and VCO. In 2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019 (pp. 578-581). Article 8884835 (Midwest Symposium on Circuits and Systems; Vol. 2019-August). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MWSCAS.2019.8884835

A 0.36pJ/bit Analog PUF Based on Current Steering DAC and VCO. / Danesh, Mohammadhadi; Venkatasubramaniyan, Aishwarya Bahudhanam; Kapoor, Gaurav et al.
2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019. Institute of Electrical and Electronics Engineers Inc., 2019. p. 578-581 8884835 (Midwest Symposium on Circuits and Systems; Vol. 2019-August).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Danesh, M, Venkatasubramaniyan, AB, Kapoor, G & Sanyal, A 2019, A 0.36pJ/bit Analog PUF Based on Current Steering DAC and VCO. in 2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019., 8884835, Midwest Symposium on Circuits and Systems, vol. 2019-August, Institute of Electrical and Electronics Engineers Inc., pp. 578-581, 62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019, Dallas, United States, 8/4/19. https://doi.org/10.1109/MWSCAS.2019.8884835

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abstract = "This paper proposes an analog weak physical unclonable function (PUF). The proposed PUF derives its unique key from random mismatch in a cascode current steering thermometer digital-to-analog converter (DAC). The DAC drives a voltage-controlled 7-stage ring oscillator (RO). MSB of the difference in phase outputs of two ROs generate the PUF response. An N-bit PUF key can be produced from a single proposed PUF cell by running the VCOs for N sampling periods which results in the proposed PUF having the lowest area/bit among weak PUFs. A prototype fabricated in 65nm has an intra-HD of 0.0906 and inter-HD of 0.4859 for 2048-bit PUF key.",

author = "Mohammadhadi Danesh and Venkatasubramaniyan, {Aishwarya Bahudhanam} and Gaurav Kapoor and Arindam Sanyal",

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AB - This paper proposes an analog weak physical unclonable function (PUF). The proposed PUF derives its unique key from random mismatch in a cascode current steering thermometer digital-to-analog converter (DAC). The DAC drives a voltage-controlled 7-stage ring oscillator (RO). MSB of the difference in phase outputs of two ROs generate the PUF response. An N-bit PUF key can be produced from a single proposed PUF cell by running the VCOs for N sampling periods which results in the proposed PUF having the lowest area/bit among weak PUFs. A prototype fabricated in 65nm has an intra-HD of 0.0906 and inter-HD of 0.4859 for 2048-bit PUF key.

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A 0.36pJ/bit Analog PUF Based on Current Steering DAC and VCO

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