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Logic locking protects an IC from threats such as piracy of design IP and unauthorized overproduction throughout the IC supply chain. Out of the several techniques proposed by the research community, provably-secure logic locking (PSLL) has…

Cryptography and Security · Computer Science 2022-09-07 Satwik Patnaik , Nimisha Limaye , Ozgur Sinanoglu

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

Recently, deep neural networks (DNNs) have been deployed in safety-critical systems such as autonomous vehicles and medical devices. Shortly after that, the vulnerability of DNNs were revealed by stealthy adversarial examples where crafted…

Cryptography and Security · Computer Science 2021-12-28 Behnam Ghavami , Seyd Movi , Zhenman Fang , Lesley Shannon

The threat of hardware reverse engineering is a growing concern for a large number of applications. A main defense strategy against reverse engineering is hardware obfuscation. In this paper, we investigate physical obfuscation techniques,…

Cryptography and Security · Computer Science 2019-10-03 Arunkumar Vijayakumar , Vinay C. Patil , Daniel E. Holcomb , Christof Paar , Sandip Kundu

Logic locking proposed to protect integrated circuits from serious hardware threats has been studied extensively over a decade. In these years, many efficient logic locking techniques have been proven to be broken. The state-of-the-art…

Cryptography and Security · Computer Science 2024-01-17 Levent Aksoy , Muhammad Yasin , Samuel Pagliarini

Protecting intellectual property (IP) has become a serious challenge for chip designers. Most countermeasures are tailored for CMOS integration and tend to incur excessive overheads, resulting from additional circuitry or device-level…

Emerging Technologies · Computer Science 2019-06-05 Satwik Patnaik , Nikhil Rangarajan , Johann Knechtel , Ozgur Sinanoglu , Shaloo Rakheja

To counter software reverse engineering or tampering, software obfuscation tools can be used. However, such tools to a large degree hard-code how the obfuscations are deployed. They hence lack resilience and stealth in the face of many…

Cryptography and Security · Computer Science 2020-12-24 Jens Van den Broeck , Bart Coppens , Bjorn De Sutter

There is growing adoption of smart devices such as digital locks with remote control and sophisticated authentication mechanisms. However, a lack of attention to device security and user-awareness beyond the primary function of these IoT…

Cryptography and Security · Computer Science 2024-08-01 Steve Kerrison

Logic locking aims to prevent intellectual property (IP) piracy and unauthorized overproduction of integrated circuits (ICs). However, initial logic locking techniques were vulnerable to the Boolean satisfiability (SAT)-based attacks. In…

Cryptography and Security · Computer Science 2021-11-16 Lilas Alrahis , Satwik Patnaik , Muhammad Abdullah Hanif , Muhammad Shafique , Ozgur Sinanoglu

Obfuscation stands as a promising solution for safeguarding hardware intellectual property (IP) against a spectrum of threats including reverse engineering, IP piracy, and tampering. In this paper, we introduce Obfus-chat, a novel framework…

Power side-channel attacks are a very effective cryptanalysis technique that can infer secret keys of security ICs by monitoring the power consumption. Since the emergence of practical attacks in the late 90s, they have been a major threat…

Cryptography and Security · Computer Science 2016-05-04 Lu Zhang , Luis Vega , Michael Taylor

Designers use third-party intellectual property (IP) cores and outsource various steps in the integrated circuit (IC) design and manufacturing flow. As a result, security vulnerabilities have been rising. This is forcing IC designers and…

Cryptography and Security · Computer Science 2023-03-07 Hammond Pearce , Ramesh Karri , Benjamin Tan

State-of-the-art attacks against cyclic logic obfuscation use satisfiability solvers that are equipped with a set of cycle avoidance clauses. These cycle avoidance clauses are generated in a pre-processing step and define various key…

Cryptography and Security · Computer Science 2020-01-27 Shervin Roshanisefat , Hadi Mardani Kamali , Houman Homayoun , Avesta Sasan

Over the years, many techniques have been introduced to protect integrated circuits (ICs) from hardware security threats that emerged in the globalized IC manufacturing supply chain, such as overproduction and piracy. However, most of these…

Cryptography and Security · Computer Science 2026-04-14 Levent Aksoy , Muhammad Sohaib Munir , Sedat Akleylek

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 characteristics of these models have become sensitive intellectual…

Cryptography and Security · Computer Science 2022-06-02 Mahya Morid Ahmadi , Lilas Alrahis , Alessio Colucci , Ozgur Sinanoglu , Muhammad Shafique

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 threats, like piracy of IC intellectual property or insertion of…

The outsourcing of the design and manufacturing of integrated circuits has raised severe concerns about the piracy of Intellectual Properties and illegal overproduction. Logic locking has emerged as an obfuscation technique to protect…

Cryptography and Security · Computer Science 2022-10-14 Yadi Zhong , Ayush Jain , M. Tanjidur Rahman , Navid Asadizanjani , Jiafeng Xie , Ujjwal Guin

Split manufacturing (SM) and layout camouflaging (LC) are two promising techniques to obscure integrated circuits (ICs) from malicious entities during and after manufacturing. While both techniques enable protecting the intellectual…

Cryptography and Security · Computer Science 2019-08-13 Satwik Patnaik , Mohammed Ashraf , Ozgur Sinanoglu , Johann Knechtel

Logic Obfuscation is a well renowned design-for-trust solution to protect an Integrated Circuit (IC) from unauthorized use and illegal overproduction by including key-gates to lock the design. This is particularly necessary for ICs…

Cryptography and Security · Computer Science 2024-04-12 Haimanti Chakraborty , Ranga Vemuri

Systems-on-chip (SoCs) are becoming heterogeneous: they combine general-purpose processor cores with application-specific hardware components, also known as accelerators, to improve performance and energy efficiency. The advantages of…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-03-19 Luca Piccolboni , Giuseppe Di Guglielmo , Luca Carloni