Analog and Mixed-Signal IC Security via Sizing Camouflaging

We treat the problem of analog integrated circuit (IC) obfuscation toward intellectual property (IP) protection against reverse engineering. Obfuscation is achieved by camouflaging the effective geometry of layout components via the use of fake contacts, which originally were proposed for gate camou...

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Published inIEEE transactions on computer-aided design of integrated circuits and systems Vol. 40; no. 5; pp. 822 - 835
Main Authors Leonhard, Julian, Sayed, Alhassan, Louerat, Marie-Minerve, Aboushady, Hassan, Stratigopoulos, Haralampos-G.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.05.2021
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Analog and mixed signal integrated circuits
Analog circuits
Analog to digital conversion
Analog to digital converters
camouflaging
Contacts
design obfuscation
hardware security and trust
Integrated circuits
intellectual property (IP)/integrated circuit (IC) piracy
Layout
Layouts
Logic gates
Operational amplifiers
Reliability analysis
Reliability engineering
Reverse engineering
Security
Transistors
Online AccessGet full text
ISSN0278-0070
1937-4151
DOI10.1109/TCAD.2020.3011662

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Abstract We treat the problem of analog integrated circuit (IC) obfuscation toward intellectual property (IP) protection against reverse engineering. Obfuscation is achieved by camouflaging the effective geometry of layout components via the use of fake contacts, which originally were proposed for gate camouflaging in digital ICs. We present a library of obfuscated layout components, we give recommendations for effective camouflaging, we discuss foreseen attacks and the achieved resiliency, and we propose security metrics for assessing the hardness of reverse engineering. The proposed methodology is demonstrated on an operational amplifier and an RF <inline-formula> <tex-math notation="LaTeX">\Sigma \Delta </tex-math></inline-formula> analog-to-digital converter (ADC).
AbstractList We treat the problem of analog integrated circuit (IC) obfuscation toward intellectual property (IP) protection against reverse engineering. Obfuscation is achieved by camouflaging the effective geometry of layout components via the use of fake contacts, which originally were proposed for gate camouflaging in digital ICs. We present a library of obfuscated layout components, we give recommendations for effective camouflaging, we discuss foreseen attacks and the achieved resiliency, and we propose security metrics for assessing the hardness of reverse engineering. The proposed methodology is demonstrated on an operational amplifier and an RF <inline-formula> <tex-math notation="LaTeX">\Sigma \Delta </tex-math></inline-formula> analog-to-digital converter (ADC).
We treat the problem of analog integrated circuit (IC) obfuscation toward intellectual property (IP) protection against reverse engineering. Obfuscation is achieved by camouflaging the effective geometry of layout components via the use of fake contacts, which originally were proposed for gate camouflaging in digital ICs. We present a library of obfuscated layout components, we give recommendations for effective camouflaging, we discuss foreseen attacks and the achieved resiliency, and we propose security metrics for assessing the hardness of reverse engineering. The proposed methodology is demonstrated on an operational amplifier and an RF [Formula Omitted] analog-to-digital converter (ADC).
Author Aboushady, Hassan
Leonhard, Julian
Sayed, Alhassan
Louerat, Marie-Minerve
Stratigopoulos, Haralampos-G.
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SubjectTerms Analog and mixed signal integrated circuits
Analog circuits
Analog to digital conversion
Analog to digital converters
camouflaging
Contacts
design obfuscation
hardware security and trust
Integrated circuits
intellectual property (IP)/integrated circuit (IC) piracy
Layout
Layouts
Logic gates
Operational amplifiers
Reliability analysis
Reliability engineering
Reverse engineering
Security
Transistors
Title Analog and Mixed-Signal IC Security via Sizing Camouflaging
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