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Related papers: ProbLock: Probability-based Logic Locking

200 papers

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

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

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

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 has emerged as a prominent key-driven technique to protect the integrity of integrated circuits. However, novel machine-learning-based attacks have recently been introduced to challenge the security foundations of locking…

Cryptography and Security · Computer Science 2021-07-28 Dominik Sisejkovic , Farhad Merchant , Lennart M. Reimann , Rainer Leupers

The increasing cost of integrated circuit (IC) fabrication has driven most companies to "go fabless" over time. The corresponding outsourcing trend gave rise to various attack vectors, e.g., illegal overproduction of ICs, piracy of the…

Cryptography and Security · Computer Science 2019-02-26 Johann Knechtel , Satwik Patnaik , Ozgur Sinanoglu

In the realm of quantum computing, quantum circuits serve as essential depictions of quantum algorithms, which are then compiled into executable operations for quantum computations. Quantum compilers are responsible for converting these…

Cryptography and Security · Computer Science 2026-03-02 Vincent Langford , Shihan Zhao , Hongyu Zhang , Ben Dong , Qian Wang , Anees Rehman , Yuntao Liu

Logic Programming languages and combinational circuit synthesis tools share a common "combinatorial search over logic formulae" background. This paper attempts to reconnect the two fields with a fresh look at Prolog encodings for the…

Logic in Computer Science · Computer Science 2008-12-18 Paul Tarau , Brenda Luderman

Universal Circuits (UCs) offer a promising approach to hardware Intellectual Property (IP) obfuscation, leveraging cryptographic principles to hide both structure and function in a programmable logic fabric. Their adaptability makes them…

Cryptography and Security · Computer Science 2026-04-07 Zain Ul Abideen , Deepali Garg , Lawrence Pileggi , Samuel Pagliarini

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 locking protects the integrity of hardware designs throughout the integrated circuit supply chain. However, recent machine learning (ML)-based attacks have challenged its fundamental security, initiating the requirement for the design…

Cryptography and Security · Computer Science 2023-05-04 Zeng Wang , Lilas Alrahis , Dominik Sisejkovic , Ozgur Sinanoglu

Invertible logic can operate in one of two modes: 1) a forward mode, in which inputs are presented and a single, correct output is produced, and 2) a reverse mode, in which the output is fixed and the inputs take on values consistent with…

Hardware Architecture · Computer Science 2026-03-31 Sean C. Smithson , Naoya Onizawa , Brett H. Meyer , Warren J. Gross , Takahiro Hanyu

Programmable Logic Controllers are an integral component for managing many different industrial processes (e.g., smart building management, power generation, water and wastewater management, and traffic control systems), and manufacturing…

Cryptography and Security · Computer Science 2019-11-15 Abdullah Al Farooq , Jessica Marquard , Kripa George , Thomas Moyer

Hardware intellectual property (IP) theft is a major issue in today's globalized supply chain. To address it, numerous logic locking and obfuscation techniques have been proposed. While locking initially focused on digital integrated…

Cryptography and Security · Computer Science 2020-04-02 Rabin Yu Acharya , Sreeja Chowdhury , Fatemeh Ganji , Domenic Forte

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

In quantum computing, quantum circuits are fundamental representations of quantum algorithms, which are compiled into executable functions for quantum solutions. Quantum compilers transform algorithmic quantum circuits into one compatible…

Quantum Physics · Physics 2025-03-18 Qian Wang , Jayden John , Ben Dong , Yuntao Liu

Side-channel attacks are a major threat to the security of cryptosystems. Masking is a widely used countermeasure against such attacks, but proving the security of masked algorithms is error-prone without formal verification. In this work,…

Logic in Computer Science · Computer Science 2026-05-26 Satoshi Kura , Katsuyuki Takashima

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

We propose SANSCrypt, a novel sequential logic encryption scheme to protect integrated circuits against reverse engineering. Previous sequential encryption methods focus on modifying the circuit state machine such that the correct…

Cryptography and Security · Computer Science 2021-02-12 Yinghua Hu , Kaixin Yang , Shahin Nazarian , Pierluigi Nuzzo

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