Towards provably-secure analog and mixed-signal locking against overproduction

Similar to digital circuits, analog and mixed-signal (AMS) circuits are also susceptible to supply-chain attacks such as piracy, overproduction, and Trojan insertion. However, unlike digital circuits, supply-chain security of AMS circuits is less explored. In this work, we propose to perform "l...

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Main Authors: Jayasankaran, Nithyashankari Gummidipoondi, Borbon, Adriana Sanabria, Sanchez-Sinencio, Edgar, Hu, Jiang, Rajendran, Jeyavijayan
Format: Conference Proceeding
Language:English
Subjects:
AMS security
Hardware
Hardware > Emerging technologies
Hardware > Very large scale integration design
logic locking
process variations
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Borbon, Adriana Sanabria
Sanchez-Sinencio, Edgar
Hu, Jiang
Rajendran, Jeyavijayan
description Similar to digital circuits, analog and mixed-signal (AMS) circuits are also susceptible to supply-chain attacks such as piracy, overproduction, and Trojan insertion. However, unlike digital circuits, supply-chain security of AMS circuits is less explored. In this work, we propose to perform "logic locking" on digital section of the AMS circuits. The idea is to make the analog design intentionally suffer from the effects of process variations, which impede the operation of the circuit. Only on applying the correct key, the effect of process variations are mitigated, and the analog circuit performs as desired. We provide the theoretical guarantees of the security of the circuit, and along with simulation results for the band-pass filter, low-noise amplifier, and low-dropout regulator, we also show experimental results of our technique on a band-pass filter.
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subjects AMS security
Hardware
Hardware -- Emerging technologies
Hardware -- Very large scale integration design
logic locking
process variations
title Towards provably-secure analog and mixed-signal locking against overproduction
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