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Link prediction is a fundamental problem for graph-structured data (e.g., social networks, drug side-effect networks, etc.). Graph neural networks have offered robust solutions for this problem, specifically by learning the representation…

Machine Learning · Computer Science 2022-06-27 Paul Louis , Shweta Ann Jacob , Amirali Salehi-Abari

Semiconductor design companies are integrating proprietary intellectual property (IP) blocks to build custom integrated circuits (IC) and fabricate them in a third-party foundry. Unauthorized IC copies cost these companies billions of…

Cryptography and Security · Computer Science 2021-04-20 Christian Pilato , Animesh Basak Chowdhury , Donatella Sciuto , Siddharth Garg , Ramesh Karri

We introduce obfuscation testing, a novel methodology for validating whether large language models detect structural market patterns through causal reasoning rather than temporal association. Testing three dealer hedging constraint patterns…

Statistical Finance · Quantitative Finance 2025-12-30 Christopher Regan , Ying Xie

Logic locking and hardware Trojans are two fields in hardware security that have been mostly developed independently from each other. In this paper, we identify the relationship between these two fields. We find that a common structure that…

Cryptography and Security · Computer Science 2025-08-20 Yuntao Liu , Aruna Jayasena , Prabhat Mishra , Ankur Srivastava

The security of integrated circuits (ICs) can be broken by sophisticated physical attacks relying on failure analysis methods. Optical probing is one of the most prominent examples of such attacks, which can be accomplished in a matter of…

Cryptography and Security · Computer Science 2024-09-02 Saleh Khalaj Monfared , Kyle Mitard , Andrew Cannon , Domenic Forte , Shahin Tajik

While logic locking has been extensively studied as a countermeasure against integrated circuit (IC) supply chain threats, recent research has shifted toward reconfigurable-based redaction techniques, e.g., LUT- and eFPGA-based schemes.…

Hardware Architecture · Computer Science 2026-01-21 Voktho Das , Kimia Azar , Hadi Kamali

Despite extensive safety measures, LLMs are vulnerable to adversarial inputs, or jailbreaks, which can elicit unsafe behaviors. In this work, we introduce bijection learning, a powerful attack algorithm which automatically fuzzes LLMs for…

Computation and Language · Computer Science 2025-05-13 Brian R. Y. Huang , Maximilian Li , Leonard Tang

Graph neural networks have been widely used in Boolean satisfiability (SAT) tasks to learn structural information from SAT formulas. The goal of these studies is to solve SAT instances or to enhance SAT solvers, including tasks such as…

Machine Learning · Computer Science 2026-05-07 Zhenchao Sun , Shuai Ma , Ping Lu , Chongyang Tao

Large language models remain vulnerable to jailbreak attacks, and single-layer defenses often trade security for usability. We present TRYLOCK, the first defense-in-depth architecture that combines four heterogeneous mechanisms across the…

Cryptography and Security · Computer Science 2026-01-08 Scott Thornton

Graph unlearning methods aim to efficiently remove the impact of sensitive data from trained GNNs without full retraining, assuming that deleted information cannot be recovered. In this work, we challenge this assumption by introducing the…

Machine Learning · Computer Science 2025-12-09 Jiahao Zhang , Yilong Wang , Zhiwei Zhang , Xiaorui Liu , Suhang Wang

Modern power grids are undergoing significant changes driven by information and communication technologies (ICTs), and evolving into smart grids with higher efficiency and lower operation cost. Using ICTs, however, comes with an inevitable…

Machine Learning · Computer Science 2024-05-24 Hanyu Zeng , Pengfei Zhou , Xin Lou , Zhen Wei Ng , David K. Y. Yau , Marianne Winslett

Neural networks (NNs) are already deployed in hardware today, becoming valuable intellectual property (IP) as many hours are invested in their training and optimization. Therefore, attackers may be interested in copying, reverse…

Cryptography and Security · Computer Science 2022-04-04 Mahdieh Grailoo , Zain Ul Abideen , Mairo Leier , Samuel Pagliarini

The globalization of semiconductor supply chains has exposed Network-on-Chip (NoC) interconnects in System-on-Chip (SoC) architectures to critical security risks, including reverse engineering and IP theft. To address these threats, this…

Cryptography and Security · Computer Science 2025-03-10 Dipal Halder

Parallel processing of information plays a critical role in accelerating computation. This includes quantum computers, where parallel processing of quantum information will play a critical role in practical quantum advantage. Here, we…

Code obfuscation is a major tool for protecting software intellectual property from attacks such as reverse engineering or code tampering. Yet, recently proposed (automated) attacks based on Dynamic Symbolic Execution (DSE) shows very…

Cryptography and Security · Computer Science 2019-08-08 Mathilde Ollivier , Sébastien Bardin , Richard Bonichon , Jean-Yves Marion

We propose a new system for implementing quantum logic gates: neutral atoms trapped in a very far-off-resonance optical lattice. Pairs of atoms are made to occupy the same well by varying the polarization of the trapping lasers, and then a…

Quantum Physics · Physics 2009-10-31 Gavin K. Brennen , Carlton M. Caves , Poul S. Jessen , Ivan H. Deutsch

In this paper, we introduce a novel Communication and Obfuscation Management Architecture (COMA) to handle the storage of the obfuscation key and to secure the communication to/from untrusted yet obfuscated circuits. COMA addresses three…

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

This work focuses on eliminating timing-side channels in real-time safety-critical cyber-physical network protocols like Controller Area Networks (CAN). Automotive Electronic Control Units (ECUs) implement predictable scheduling decisions…

Cryptography and Security · Computer Science 2023-06-16 Sunandan Adhikary , Ipsita Koley , Arkaprava Sain , Soumyadeep das , Shuvam Saha , Soumyajit Dey

GraphRAG is increasingly adopted for converting unstructured corpora into graph structures to enable multi-hop reasoning. However, standard graph algorithms rely heavily on static connectivity and explicit edges, often failing in real-world…

Computation and Language · Computer Science 2026-03-17 Hang Gao , Dimitris N. Metaxas