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Related papers: Functional Analysis Attacks on Logic Locking

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Sequential logic locking has been studied over the last decade as a method to protect sequential circuits from reverse engineering. However, most of the existing sequential logic locking techniques are threatened by increasingly more…

Cryptography and Security · Computer Science 2022-01-19 Yuke Zhang , Yinghua Hu , Pierluigi Nuzzo , Peter A. Beerel

In a zero-trust fabless paradigm, designers are increasingly concerned about hardware-based attacks on the semiconductor supply chain. Logic locking is a design-for-trust method that adds extra key-controlled gates in the circuits to…

Cryptography and Security · Computer Science 2024-02-07 Yeganeh Aghamohammadi , Amin Rezaei

The outsourced manufacturing of integrated circuits has increased the risk of intellectual property theft. In response, logic locking techniques have been developed for protecting designs by adding programmable elements to the circuit.…

Cryptography and Security · Computer Science 2021-03-15 Joseph Sweeney , Deepali Garg , Lawrence Pileggi

Due to the globalization of semiconductor manufacturing and test processes, the system-on-a-chip (SoC) designers no longer design the complete SoC and manufacture chips on their own. This outsourcing of the design and manufacturing of…

Cryptography and Security · Computer Science 2020-12-14 Ayush Jain , Ziqi Zhou , Ujjwal Guin

Logic locking is a prominent technique to protect the integrity of hardware designs throughout the integrated circuit design and fabrication flow. However, in recent years, the security of locking schemes has been thoroughly challenged by…

Cryptography and Security · Computer Science 2021-05-20 Dominik Sisejkovic , Farhad Merchant , Lennart M. Reimann , Harshit Srivastava , Ahmed Hallawa , Rainer Leupers

Globalization of IC manufacturing has led to increased security concerns, notably IP theft. Several logic locking techniques have been developed for protecting designs, but they typically display very large overhead, and are generally…

Cryptography and Security · Computer Science 2020-05-22 Joseph Sweeney , Mohammed Zackriya , Samuel Pagliarini , Lawrence Pileggi

Logic locking is a method to prevent intellectual property (IP) piracy. However, under a reasonable attack model, SAT-based methods have proven to be powerful in obtaining the secret key. In response, many locking techniques have been…

Cryptography and Security · Computer Science 2020-09-23 Joseph Sweeney , Marijn J. H. Heule , Lawrence Pileggi

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, and modifications while making their way through the…

Logic locking (LL) has gained attention as a promising intellectual property protection measure for integrated circuits. However, recent attacks, facilitated by machine learning (ML), have shown the potential to predict the correct key in…

Cryptography and Security · Computer Science 2024-03-05 Yinghua Hu , Kaixin Yang , Subhajit Dutta Chowdhury , Pierluigi Nuzzo

This paper introduces KRATT, a removal and structural analysis attack against state-of-the-art logic locking techniques, such as single and double flip locking techniques (SFLTs and DFLTs). KRATT utilizes powerful quantified Boolean…

Cryptography and Security · Computer Science 2023-11-13 Levent Aksoy , Muhammad Yasin , Samuel Pagliarini

Logic locking has been proposed to safeguard intellectual property (IP) during chip fabrication. Logic locking techniques protect hardware IP by making a subset of combinational modules in a design dependent on a secret key that is withheld…

Cryptography and Security · Computer Science 2023-04-18 Hongye Xu , Dongfang Liu , Cory Merkel , Michael Zuzak

Logic locking has been a promising solution to many hardware security threats, such as intellectual property infringement and overproduction. Due to the increased attention that threats have received, many efficient specialized attacks…

Cryptography and Security · Computer Science 2023-01-12 F. Almeida , L. Aksoy , Q-L. Nguyen , S. Dupuis , M-L. Flottes , S. Pagliarini

Intellectual property (IP) piracy has become a non-negligible problem as the integrated circuit (IC) production supply chain is becoming increasingly globalized and separated that enables attacks by potentially untrusted attackers. Logic…

The outsourcing of semiconductor manufacturing raises security risks, such as piracy and overproduction of hardware intellectual property. To overcome this challenge, logic locking has emerged to lock a given circuit using additional key…

Cryptography and Security · Computer Science 2025-01-30 Kevin Lopez , Amin Rezaei

Logic locking is a promising technique for protecting integrated circuit designs while outsourcing their fabrication. Recently, graph neural network (GNN)-based link prediction attacks have been developed which can successfully break all…

Cryptography and Security · Computer Science 2023-05-11 Subhajit Dutta Chowdhury , Kaixin Yang , Pierluigi Nuzzo

The security of logic locking has been called into question by various attacks, especially a Boolean satisfiability (SAT) based attack, that exploits scan access in a working chip. Among other techniques, a robust design-for-security (DFS)…

Cryptography and Security · Computer Science 2019-06-20 Nimisha Limaye , Abhrajit Sengupta , Mohammed Nabeel , Ozgur Sinanoglu

The semiconductor industry's paradigm shift towards fabless integrated circuit (IC) manufacturing has introduced security threats, including piracy, counterfeiting, hardware Trojans, and overproduction. In response to these challenges,…

Cryptography and Security · Computer Science 2024-09-26 Felipe Almeida , Levent Aksoy , Samuel Pagliarini

Obfuscation is a technique for protecting hardware intellectual property (IP) blocks against reverse engineering, piracy, and malicious modifications. Current obfuscation efforts mainly focus on functional locking of a design to prevent…

Cryptography and Security · Computer Science 2018-10-01 Prabuddha Chakraborty , Jonathan Cruz , Swarup Bhunia

Intellectual Property (IP) theft is a serious concern for the integrated circuit (IC) industry. To address this concern, logic locking countermeasure transforms a logic circuit to a different one to obfuscate its inner details. The…

Cryptography and Security · Computer Science 2021-02-18 Qinhan Tan , Seetal Potluri , Aydin Aysu

The need for reducing manufacturing defect escape in today's safety-critical applications requires increased fault coverage. However, generating a test set using commercial automatic test pattern generation (ATPG) tools that lead to…

Cryptography and Security · Computer Science 2023-02-10 Yadi Zhong , Ujjwal Guin