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Integrated circuit (IC) camouflaging is a promising technique to protect the design of a chip from reverse engineering. However, recent work has shown that even camouflaged ICs can be reverse engineered from the observed input/output…

Cryptography and Security · Computer Science 2017-10-31 Mohamed El Massad , Siddharth Garg , Mahesh Tripunitara

Gate camouflaging is a technique for obfuscating the function of a circuit against reverse engineering attacks. However, if an adversary has pre-existing knowledge about the set of functions that are viable for an application, random…

Cryptography and Security · Computer Science 2017-03-03 Shahrzad Keshavarz , Christof Paar , Daniel Holcomb

Semi-Private Function Evaluation (SPFE) enables joint computation while protecting both input data and the function itself. A practical instantiation is gate-hiding garbled circuits, which conceal gate functionalities while revealing…

Cryptography and Security · Computer Science 2026-05-05 Chao Yin , Zunchen Huang , Chenglu Jin , Marten van Dijk , Fabio Massacci

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 success of quantum circuits in providing reliable outcomes for a given problem depends on the gate count and depth in near-term noisy quantum computers. Quantum circuit compilers that decompose high-level gates to native gates of the…

Quantum Physics · Physics 2023-06-30 Subrata Das , Swaroop Ghosh

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

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

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

With current tools and technology, someone who has physical access to a chip can extract the detailed layout of the integrated circuit (IC). By using advanced visual imaging techniques, reverse engineering can reveal details that are meant…

Cryptography and Security · Computer Science 2016-05-04 Maria I. Mera Collantes , Mohamed El Massad , Siddharth Garg

Optimization of quantum circuits using an efficient compiler is key to its success for NISQ computers. Several 3rd party compilers are evolving to offer improved performance for large quantum circuits. These 3rd parties, or just a certain…

Consumer and defense systems demanded design and manufacturing of electronics with increased performance, compared to their predecessors. As such systems became ubiquitous in a plethora of domains, their application surface increased, thus…

Cryptography and Security · Computer Science 2022-08-19 Abhijitt Dhavlle

Coherent gate errors are a concern in many proposed quantum computing architectures. These errors can be effectively handled through composite pulse sequences for single-qubit gates, however, such techniques are less feasible for entangling…

Reverse engineering (RE) in Integrated Circuits (IC) is a process in which one will attempt to extract the internals of an IC, extract the circuit structure, and determine the gate-level information of an IC. In general, RE process can be…

In classic settings of garbled circuits, each gate type is leaked to improve both space and speed optimization. Zahur et al. have shown in EUROCRYPT 2015 that a typical linear garbling scheme requires at least two $\lambda$-bit elements per…

Cryptography and Security · Computer Science 2023-12-06 Ke Lin

A massive threat to the modern and complex IC production chain is the use of untrusted off-shore foundries which are able to infringe valuable hardware design IP or to inject hardware Trojans causing severe loss of safety and security.…

Cryptography and Security · Computer Science 2019-10-04 Sebastian Wallat , Marc Fyrbiak , Moritz Schlögel , Christof Paar

Reversible logic has two main properties. First, the number of inputs is equal to the number of outputs. Second, it implements a one-to-one mapping; i.e., one can reconstruct the inputs from the outputs. These properties enable its…

Cryptography and Security · Computer Science 2017-12-05 Samah Mohamed Saeed , Xiaotong Cui , Robert Wille , Alwin Zulehner , Kaijie Wu , Rolf Drechsler , Ramesh Karri

The SAT attack has shown to be efficient against most combinational logic encryption methods. It can be extended to attack sequential logic encryption techniques by leveraging circuit unrolling and model checking methods. However, with no…

Cryptography and Security · Computer Science 2022-02-18 Yinghua Hu , Yuke Zhang , Kaixin Yang , Dake Chen , Peter A. Beerel , Pierluigi Nuzzo

With recent advances in reverse engineering, attackers can reconstruct a netlist to counterfeit chips by opening the die and scanning all layers of authentic chips. This relatively easy counterfeiting is made possible by the use of the…

Cryptography and Security · Computer Science 2020-03-03 Grace Li Zhang , Bing Li , Meng Li , Bei Yu , David Z. Pan , Michaela Brunner , Georg Sigl , Ulf Schlichtmann

Logic locking is used to protect integrated circuits (ICs) from piracy and counterfeiting. An encrypted IC implements the correct function only when the right key is input. Many existing logic-locking methods are subject to the powerful…

Cryptography and Security · Computer Science 2021-03-30 Jingbo Zhou , Xinmiao Zhang

Software obfuscation techniques make code more difficult to understand, without changing its functionality. Such techniques are often used by authors of malicious software to avoid detection. Reverse Engineering of obfuscated code, i.e.,…

Cryptography and Security · Computer Science 2025-12-29 Nir Somech , Guy Katz
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