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20172023
most citedObfuscating the Interconnects: Low-Cost and Resilient Full-Chip Layout Camouflaging

52 citations · 584 across the 43 of their papers we have counts for

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38 papers · 1 filter

cs.CR2023

AutoLock: Automatic Design of Logic Locking with Evolutionary Computation

Zeng Wang, Lilas Alrahis, Dominik Sisejkovic +1

Logic locking protects the integrity of hardware designs throughout the integrated circuit supply chain. However, recent machine learning (ML)-based attacks have challenged its fun…

cs.CR2023

FPGA-Patch: Mitigating Remote Side-Channel Attacks on FPGAs using Dynamic Patch Generation

Mahya Morid Ahmadi, Lilas Alrahis, Ozgur Sinanoglu +1

We propose FPGA-Patch, the first-of-its-kind defense that leverages automated program repair concepts to thwart power side-channel attacks on cloud FPGAs. FPGA-Patch generates isof…

cs.CR2023

Graph Neural Networks for Hardware Vulnerability Analysis -- Can you Trust your GNN?

Lilas Alrahis, Ozgur Sinanoglu

The participation of third-party entities in the globalized semiconductor supply chain introduces potential security vulnerabilities, such as intellectual property piracy and hardw…

cs.CR2023

PoisonedGNN: Backdoor Attack on Graph Neural Networks-based Hardware Security Systems

Lilas Alrahis, Satwik Patnaik, Muhammad Abdullah Hanif +2

Graph neural networks (GNNs) have shown great success in detecting intellectual property (IP) piracy and hardware Trojans (HTs). However, the machine learning community has demonst…

cs.CR2023★ 2 cited

DNN-Alias: Deep Neural Network Protection Against Side-Channel Attacks via Layer Balancing

Mahya Morid Ahmadi, Lilas Alrahis, Ozgur Sinanoglu +1

Extracting the architecture of layers of a given deep neural network (DNN) through hardware-based side channels allows adversaries to steal its intellectual property and even launc…

cs.CR2023★ 1 cited

ALMOST: Adversarial Learning to Mitigate Oracle-less ML Attacks via Synthesis Tuning

Animesh Basak Chowdhury, Lilas Alrahis, Luca Collini +5

Oracle-less machine learning (ML) attacks have broken various logic locking schemes. Regular synthesis, which is tailored for area-power-delay optimization, yields netlists where k…

cs.CR2023★ 1 cited

TrojanSAINT: Gate-Level Netlist Sampling-Based Inductive Learning for Hardware Trojan Detection

Hazem Lashen, Lilas Alrahis, Johann Knechtel +1

We propose TrojanSAINT, a graph neural network (GNN)-based hardware Trojan (HT) detection scheme working at the gate level. Unlike prior GNN-based art, TrojanSAINT enables both pre…

cs.CR2022

X-Volt: Joint Tuning of Driver Strengths and Supply Voltages Against Power Side-Channel Attacks

Saideep Sreekumar, Mohammed Ashraf, Mohammed Nabeel +2

Power side-channel (PSC) attacks are well-known threats to sensitive hardware like advanced encryption standard (AES) crypto cores. Given the significant impact of supply voltages…

cs.CR2022★ 1 cited

Security Closure of IC Layouts Against Hardware Trojans

Fangzhou Wang, Qijing Wang, Bangqi Fu +7

Due to cost benefits, supply chains of integrated circuits (ICs) are largely outsourced nowadays. However, passing ICs through various third-party providers gives rise to many thre…

cs.CR2022★ 1 cited

Hardware Trojan Threats to Cache Coherence in Modern 2.5D Chiplet Systems

Gino A. Chacon, Charles Williams, Johann Knechtel +2

As industry moves toward chiplet-based designs, the insertion of hardware Trojans poses a significant threat to the security of these systems. These systems rely heavily on cache c…

cs.CR2022★ 5 cited

AppGNN: Approximation-Aware Functional Reverse Engineering using Graph Neural Networks

Tim Bucher, Lilas Alrahis, Guilherme Paim +3

The globalization of the Integrated Circuit (IC) market is attracting an ever-growing number of partners, while remarkably lengthening the supply chain. Thereby, security concerns,…

cs.CR2022

Embracing Graph Neural Networks for Hardware Security (Invited Paper)

Lilas Alrahis, Satwik Patnaik, Muhammad Shafique +1

Graph neural networks (GNNs) have attracted increasing attention due to their superior performance in deep learning on graph-structured data. GNNs have succeeded across various dom…

cs.CR2022

NeuroUnlock: Unlocking the Architecture of Obfuscated Deep Neural Networks

Mahya Morid Ahmadi, Lilas Alrahis, Alessio Colucci +2

The advancements of deep neural networks (DNNs) have led to their deployment in diverse settings, including safety and security-critical applications. As a result, the characterist…

cs.CR2021★ 7 cited

MuxLink: Circumventing Learning-Resilient MUX-Locking Using Graph Neural Network-based Link Prediction

Lilas Alrahis, Satwik Patnaik, Muhammad Shafique +1

Logic locking has received considerable interest as a prominent technique for protecting the design intellectual property from untrusted entities, especially the foundry. Recently,…

cs.CR2021

UNTANGLE: Unlocking Routing and Logic Obfuscation Using Graph Neural Networks-based Link Prediction

Lilas Alrahis, Satwik Patnaik, Muhammad Abdullah Hanif +2

Logic locking aims to prevent intellectual property (IP) piracy and unauthorized overproduction of integrated circuits (ICs). However, initial logic locking techniques were vulnera…

cs.CR2020

GNNUnlock: Graph Neural Networks-based Oracle-less Unlocking Scheme for Provably Secure Logic Locking

Lilas Alrahis, Satwik Patnaik, Faiq Khalid +4

In this paper, we propose GNNUnlock, the first-of-its-kind oracle-less machine learning-based attack on provably secure logic locking that can identify any desired protection logic…

cs.CR2020★ 44 cited

UNSAIL: Thwarting Oracle-Less Machine Learning Attacks on Logic Locking

Lilas Alrahis, Satwik Patnaik, Johann Knechtel +4

Logic locking aims to protect the intellectual property (IP) of integrated circuit (IC) designs throughout the globalized supply chain. The SAIL attack, based on tailored machine l…

cs.CR2020★ 45 cited

2.5D Root of Trust: Secure System-Level Integration of Untrusted Chiplets

Mohammed Nabeel, Mohammed Ashraf, Satwik Patnaik +3

Dedicated, after acceptance and publication, in memory of the late Vassos Soteriou. For the first time, we leverage the 2.5D interposer technology to establish system-level securit…

cs.CR2020★ 15 cited

Attacking Split Manufacturing from a Deep Learning Perspective

Haocheng Li, Satwik Patnaik, Abhrajit Sengupta +5

The notion of integrated circuit split manufacturing which delegates the front-end-of-line (FEOL) and back-end-of-line (BEOL) parts to different foundries, is to prevent overproduc…

cs.CR2020★ 11 cited

Power Side-Channel Attacks in Negative Capacitance Transistor (NCFET)

Johann Knechtel, Satwik Patnaik, Mohammed Nabeel +5

Side-channel attacks have empowered bypassing of cryptographic components in circuits. Power side-channel (PSC) attacks have received particular traction, owing to their non-invasi…

cs.CR2020★ 29 cited

Benchmarking at the Frontier of Hardware Security: Lessons from Logic Locking

Benjamin Tan, Ramesh Karri, Nimisha Limaye +33

Integrated circuits (ICs) are the foundation of all computing systems. They comprise high-value hardware intellectual property (IP) that are at risk of piracy, reverse-engineering,…

cs.CR2020★ 52 cited

Obfuscating the Interconnects: Low-Cost and Resilient Full-Chip Layout Camouflaging

Satwik Patnaik, Mohammed Ashraf, Ozgur Sinanoglu +1

Layout camouflaging can protect the intellectual property of modern circuits. Most prior art, however, incurs excessive layout overheads and necessitates customization of active-de…

cs.CR2020

DynUnlock: Unlocking Scan Chains Obfuscated using Dynamic Keys

Nimisha Limaye, Ozgur Sinanoglu

Outsourcing in semiconductor industry opened up venues for faster and cost-effective chip manufacturing. However, this also introduced untrusted entities with malicious intent, to…

cs.CR2019

ScanSAT: Unlocking Static and Dynamic Scan Obfuscation

Lilas Alrahis, Muhammad Yasin, Nimisha Limaye +4

While financially advantageous, outsourcing key steps, such as testing, to potentially untrusted Outsourced Assembly and Test (OSAT) companies may pose a risk of compromising on-ch…