Anti-Piracy of Analog and Mixed-Signal Circuits in FD-SOI

We propose an anti-piracy security technique based on locking for analog and mixed-signal circuits designed in FD-SOI. We show that obfuscating the body-bias voltages of tunable transistors is an effective way for inducing high functionality corruption. The obfuscation is achieved by constituting a...

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Main Authors: Tlili, Mariam, Sayed, Alhassan, Mahmoud, Doaa, Louërat, Marie-Minerve, Aboushady, Hassan, Stratigopoulos, Haralampos-G.
Format: Conference Proceeding
Language:English
Subjects:
Codes
Generators
Integrated circuits
Modulation
Rendering (computer graphics)
Switches
Transistors
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creator Tlili, Mariam
Sayed, Alhassan
Mahmoud, Doaa
Louërat, Marie-Minerve
Aboushady, Hassan
Stratigopoulos, Haralampos-G.
description We propose an anti-piracy security technique based on locking for analog and mixed-signal circuits designed in FD-SOI. We show that obfuscating the body-bias voltages of tunable transistors is an effective way for inducing high functionality corruption. The obfuscation is achieved by constituting a secret key from the concatenation of the input digital codes of the body-bias generators that produce the correct body-bias voltages. We also propose a slight modification of the body-bias generator that increases prohibitively the time complexity of counter-attacks aiming at finding an approximate key. The proposed locking scheme is demonstrated on a ΣΔ modulator used in highly-digitized RF receiver architectures.
doi_str_mv 10.1109/ASP-DAC52403.2022.9712547
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source IEEE Xplore All Conference Series
subjects Codes
Generators
Integrated circuits
Modulation
Rendering (computer graphics)
Switches
Transistors
title Anti-Piracy of Analog and Mixed-Signal Circuits in FD-SOI
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