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Hardware IP protection has been one of the most critical areas of research in the past years. Recently, attacks on hardware IPs (such as reverse engineering or cloning) have evolved as attackers have developed sophisticated techniques.…

Cryptography and Security · Computer Science 2020-10-30 Abdulrahman Alaql , Swarup Bhunia

This paper presents a high-level circuit obfuscation technique to prevent the theft of intellectual property (IP) of integrated circuits. In particular, our technique protects a class of circuits that relies on constant multiplications,…

Cryptography and Security · Computer Science 2021-05-14 Levent Aksoy , Quang-Linh Nguyen , Felipe Almeida , Jaan Raik , Marie-Lise Flottes , Sophie Dupuis , Samuel Pagliarini

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…

3D die stacking and 2.5D interposer design are promising technologies to improve integration density, performance and cost. Current approaches face serious issues in dealing with emerging security challenges such as side channel attacks,…

Cryptography and Security · Computer Science 2025-08-28 Peng Gu , Shuangchen Li , Dylan Stow , Russell Barnes , Liu Liu , Yuan Xie , Eren Kursshan

Program obfuscation is a widely employed approach for software intellectual property protection. However, general obfuscation methods (e.g., lexical obfuscation, control obfuscation) implemented in mainstream obfuscation tools are heuristic…

Cryptography and Security · Computer Science 2017-10-04 Hui Xu , Yangfan Zhou , Yu Kang , Michael R. Lyu

Modern computing systems are limited in performance by the memory bandwidth available to processors, a problem known as the memory wall. Processing-in-Memory (PIM) promises to substantially improve this problem by moving processing closer…

Cryptography and Security · Computer Science 2025-04-24 Sahar Ghoflsaz Ghinani , Jingyao Zhang , Elaheh Sadredini

The emergence of chiplet-based heterogeneous integration is transforming the semiconductor, AI, and high-performance computing industries by enabling modular designs and improved scalability. However, assembling chiplets from multiple…

Cryptography and Security · Computer Science 2025-07-08 Ishraq Tashdid , Tasnuva Farheen , Sazadur Rahman

The main goal of design obfuscation schemes is to protect sensitive design details from untrusted parties in the VLSI supply chain, including but not limited to off-shore foundries and untrusted end users. In this work, we provide a…

Cryptography and Security · Computer Science 2025-08-20 Yuntao Liu , Abir Akib , Zelin Lu , Qian Xu , Ankur Srivastava , Gang Qu , David Kehlet , Nij Dorairaj

There are increasing concerns about possible malicious modifications of integrated circuits (ICs) used in critical applications. Such attacks are often referred to as hardware Trojans. While many techniques focus on hardware Trojan…

Hardware Architecture · Computer Science 2016-11-18 Tony F. Wu , Karthik Ganesan , Yunqing Alexander Hu , H. -S. Philip Wong , Simon Wong , Subhasish Mitra

Users are demanding increased data security. As a result, security is rapidly becoming a first-order design constraint in next generation computing systems. Researchers and practitioners are exploring various security technologies to meet…

Cryptography and Security · Computer Science 2021-05-04 Deeksha Dangwal , Meghan Cowan , Armin Alaghi , Vincent T. Lee , Brandon Reagen , Caroline Trippel

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

The hardware computing landscape is changing. What used to be distributed systems can now be found on a chip with highly configurable, diverse, specialized and general purpose units. Such Systems-on-a-Chip (SoC) are used to control today's…

Cryptography and Security · Computer Science 2023-07-06 Ali Shoker , Paulo Esteves Verissimo , Marcus Völp

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…

The trend towards delegating data processing to a remote party raises major concerns related to privacy violations for both end-users and service providers. These concerns have attracted the attention of the research community, and several…

Cryptography and Security · Computer Science 2015-12-15 Youssef Gahi , Mouhcine Guennoun , Zouhair Guennoun , Khalil El-khatib

In order to protect the security of network data, a high speed chip module for encrypting and decrypting of network data packet is designed. The chip module is oriented for internet information security SOC (System on Chip) design. During…

Hardware Architecture · Computer Science 2014-01-27 Yixin Liu , Haipeng Zhang , Tao Feng

The recent advances in the area of design obfuscation are encouraging, but may present themselves as hard to read for a non-specialist audience. This tutorial uncovers these advances in a clear language, contrasting the approaches that can…

Cryptography and Security · Computer Science 2021-08-26 Samuel Pagliarini

The emergence of distributed manufacturing ecosystems for electronic hardware involving untrusted parties has given rise to diverse trust issues. In particular, IP piracy, overproduction, and hardware Trojan attacks pose significant threats…

Cryptography and Security · Computer Science 2020-10-13 Abhishek Nair , Patanjali SLPSK , Chester Rebeiro , Swarup Bhunia

An obfuscator is an algorithm that translates circuits into functionally-equivalent similarly-sized circuits that are hard to understand. Efficient obfuscators would have many applications in cryptography. Until recently, theoretical…

Cryptography and Security · Computer Science 2017-10-11 Gorjan Alagic , Stacey Jeffery , Stephen P. Jordan

The transistors used to construct Integrated Circuits (ICs) continue to shrink. While this shrinkage improves performance and density, it also reduces trust: the price to build leading-edge fabrication facilities has skyrocketed, forcing…

Cryptography and Security · Computer Science 2019-06-24 Timothy Trippel , Kang G. Shin , Kevin B. Bush , Matthew Hicks

Logic Encryption is one of the most popular hardware security techniques which can prevent IP piracy and illegal IC overproduction. It introduces obfuscation by inserting some extra hardware into a design to hide its functionality from…

Cryptography and Security · Computer Science 2018-01-17 Rajit Karmakar , Santanu Chatopadhyay , Rohit Kapur