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Due to the adoption of horizontal business models following the globalization of semiconductor manufacturing, the overproduction of integrated circuits (ICs) and the piracy of intellectual properties (IPs) can lead to significant damage to…

Cryptography and Security · Computer Science 2022-12-16 Yadi Zhong , Ujjwal Guin

Logic locking remains one of the most promising defenses against hardware piracy, yet current approaches often face challenges in scalability and design overhead. In this paper, we present TLGLock, a new design paradigm that leverages the…

Cryptography and Security · Computer Science 2026-03-20 Abdullah Sahruri , Martin Margala

Outsourcing in semiconductor industry opened up venues for faster and cost-effective chip manufacturing. However, this also introduced untrusted entities with malicious intent, to steal intellectual property (IP), overproduce the circuits,…

Cryptography and Security · Computer Science 2020-01-22 Nimisha Limaye , Ozgur Sinanoglu

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

Hyperdimensional Computing (HDC) is facing infringement issues due to straightforward computations. This work, for the first time, raises a critical vulnerability of HDC, an attacker can reverse engineer the entire model, only requiring the…

Cryptography and Security · Computer Science 2022-03-21 Shijin Duan , Shaolei Ren , Xiaolin Xu

Integrated circuits (ICs) are essential to modern electronic systems, yet they face significant risks from physical reverse engineering (RE) attacks that compromise intellectual property (IP) and overall system security. While IC camouflage…

Cryptography and Security · Computer Science 2025-08-13 Junling Fan , David Koblah , Domenic Forte

Logic locking refers to a set of techniques that can protect integrated circuits (ICs) from counterfeiting, piracy and malicious functionality changes by an untrusted foundry. It achieves these goals by introducing new inputs, called key…

Cryptography and Security · Computer Science 2020-01-20 Deepak Sirone , Pramod Subramanyan

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

Logic locking has become a promising approach to provide hardware security in the face of a possibly insecure fabrication supply chain. While many techniques have focused on locking combinational logic (CL), an alternative latch-locking…

Cryptography and Security · Computer Science 2023-05-02 Dake Chen , Xuan Zhou , Yinghua Hu , Yuke Zhang , Kaixin Yang , Andrew Rittenbach , Pierluigi Nuzzo , Peter A. Beerel

The globalization of the electronics supply chain requires effective methods to thwart reverse engineering and IP theft. Logic locking is a promising solution, but there are many open concerns. First, even when applied at a higher level of…

Hardware Architecture · Computer Science 2022-06-08 Christian Pilato , Luca Collini , Luca Cassano , Donatella Sciuto , Siddharth Garg , Ramesh Karri

Numerous security threats are emerging from untrusted players in the integrated circuit (IC) ecosystem. Among them, reverse engineering practices with the intent to counterfeit, overproduce, or modify an IC are worrying. In recent years,…

Cryptography and Security · Computer Science 2022-06-27 Giorgi Basiashvili , Zain Ul Abideen , Samuel Pagliarini

Building and maintaining a silicon foundry is a costly endeavor that requires substantial financial investment. From this scenario, the semiconductor business has largely shifted to a fabless model where the Integrated Circuit supply chain…

Cryptography and Security · Computer Science 2023-05-26 Zain Ul Abideen , Sumathi Gokulanathan , Muayad J. Aljafar , Samuel Pagliarini

While numerous obfuscation techniques are available for securing digital assets in the digital domain, there has been a notable lack of focus on protecting Intellectual Property (IP) in the analog domain. This is primarily due to the…

Cryptography and Security · Computer Science 2024-01-15 Muayad J. Aljafar , Florence Azais , Marie-Lise Flottes , Samuel Pagliarini

Logic Locking is a well-accepted protection technique to enable trust in the outsourced design and fabrication processes of integrated circuits (ICs) where the original design is modified by incorporating additional key gates in the…

Cryptography and Security · Computer Science 2020-07-22 Ayush Jain , Tanjidur Rahman , Ujjwal Guin

The outsourcing of the design and manufacturing of integrated circuits (ICs) in the current horizontal semiconductor integration flow has posed various security threats due to the presence of untrusted entities, such as overproduction of…

Cryptography and Security · Computer Science 2020-10-12 Yuqiao Zhang , Ayush Jain , Pinchen Cui , 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

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

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

Camouflaging gate techniques are typically used in hardware security to prevent reverse engineering. Layout level camouflaging by adding dummy contacts ensures some level of protection against extracting the correct netlist. Threshold…

Circuit obfuscation is a frequently used approach to conceal logic functionalities in order to prevent reverse engineering attacks on fabricated chips. Efficient obfuscation implementations are expected with lower design complexity and…

Emerging Technologies · Computer Science 2018-02-09 Jianlei Yang , Xueyan Wang , Qiang Zhou , Zhaohao Wang , Hai , Li , Yiran Chen , Weisheng Zhao