activity
20192025
most citedUNSAIL: Thwarting Oracle-Less Machine Learning Attacks on Logic Locking

44 citations · 70 across the 22 of their papers we have counts for

collaborators

23 papers

cs.CR2025

Revisiting Logic Encryption

Rupesh Raj Karn, Lakshmi Likhitha Mankali, Zeng Wang +5

Modern circuits face various threats like reverse engineering, theft of intellectual property (IP), side-channel attacks, etc. Here, we present a novel approach for IP protection b…

cs.LG2024

LLMs and the Future of Chip Design: Unveiling Security Risks and Building Trust

Zeng Wang, Lilas Alrahis, Likhitha Mankali +2

Chip design is about to be revolutionized by the integration of large language, multimodal, and circuit models (collectively LxMs). While exploring this exciting frontier with trem…

cs.CR2024★ 2 cited

TroLLoc: Logic Locking and Layout Hardening for IC Security Closure against Hardware Trojans

Fangzhou Wang, Qijing Wang, Lilas Alrahis +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 secu…

cs.CR2024

MaliGNNoma: GNN-Based Malicious Circuit Classifier for Secure Cloud FPGAs

Lilas Alrahis, Hassan Nassar, Jonas Krautter +4

The security of cloud field-programmable gate arrays (FPGAs) faces challenges from untrusted users attempting fault and side-channel attacks through malicious circuit configuration…

cs.CR2024

Always be Pre-Training: Representation Learning for Network Intrusion Detection with GNNs

Zhengyao Gu, Diego Troy Lopez, Lilas Alrahis +1

Graph neural network-based network intrusion detection systems have recently demonstrated state-of-the-art performance on benchmark datasets. Nevertheless, these methods suffer fro…

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.LG2022★ 3 cited

Graph Neural Networks: A Powerful and Versatile Tool for Advancing Design, Reliability, and Security of ICs

Lilas Alrahis, Johann Knechtel, Ozgur Sinanoglu

Graph neural networks (GNNs) have pushed the state-of-the-art (SOTA) for performance in learning and predicting on large-scale data present in social networks, biology, etc. Since…

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★ 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.LG2022★ 4 cited

GNN4REL: Graph Neural Networks for Predicting Circuit Reliability Degradation

Lilas Alrahis, Johann Knechtel, Florian Klemme +2

Process variations and device aging impose profound challenges for circuit designers. Without a precise understanding of the impact of variations on the delay of circuit paths, gua…

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.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…