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Payment channel networks provide a fast and scalable solution to relay funds, acting as a second layer to slower and less scalable blockchain protocols. In this paper, we present an accessible, low-cost attack in which the attacker…

Cryptography and Security · Computer Science 2021-02-02 Ayelet Mizrahi , Aviv Zohar

Cache template attacks demonstrated automated leakage of user input in shared libraries. However, for large binaries, the runtime is prohibitively high. Other automated approaches focused on cryptographic implementations and media software…

Cryptography and Security · Computer Science 2022-08-05 Martin Schwarzl , Erik Kraft , Daniel Gruss

Due to the advancing development of quantum computers, practical attacks on conventional public-key cryptography may become feasible in the next few decades. To address this risk, post-quantum schemes that are secure against quantum attacks…

Cryptography and Security · Computer Science 2022-06-10 Soundes Marzougui , Nils Wisiol , Patrick Gersch , Juliane Krämer , Jean-Pierre Seifert

This paper presents a novel defense strategy against static power side-channel attacks (PSCAs), a critical threat to cryptographic security. Our method is based on (1) carefully tuning high-Vth versus low-Vth cell selection during…

Cryptography and Security · Computer Science 2024-07-23 Jitendra Bhandari , Mohammed Nabeel , Likhitha Mankali , Ozgur Sinanoglu , Ramesh Karri , Johann Knechtel

Cache-based side channels enable a dedicated attacker to reveal program secrets by measuring the cache access patterns. Practical attacks have been shown against real-world crypto algorithm implementations such as RSA, AES, and ElGamal. By…

Cryptography and Security · Computer Science 2019-06-03 Shuai Wang , Yuyan Bao , Xiao Liu , Pei Wang , Danfeng Zhang , Dinghao Wu

Recent studies highlighting the vulnerability of computer architecture to information leakage attacks have been a cause of significant concern. Among the various classes of microarchitectural attacks, cache timing channels are especially…

Cryptography and Security · Computer Science 2019-02-14 Fan Yao , Hongyu Fang , Milos Doroslovacki , Guru Venkataramani

The threats of physical side-channel attacks and their countermeasures have been widely researched. Most physical side-channel attacks rely on the unavoidable influence of computation or storage on current consumption or voltage drop on a…

Cryptography and Security · Computer Science 2023-10-24 Saleh Khalaj Monfared , Tahoura Mosavirik , Shahin Tajik

This paper demonstrates a new side-channel that enables an adversary to extract sensitive information about inference inputs in large language models (LLMs) based on the number of output tokens in the LLM response. We construct attacks…

Machine Learning · Computer Science 2024-12-23 Tianchen Zhang , Gururaj Saileshwar , David Lie

In this paper, we uncover a new off-path TCP hijacking attack that can be used to terminate victim TCP connections or inject forged data into victim TCP connections by manipulating the new mixed IPID assignment method, which is widely used…

Cryptography and Security · Computer Science 2020-09-01 Xuewei Feng , Chuanpu Fu , Qi Li , Kun Sun , Ke Xu

AES-128 encryption is theoretically secure but vulnerable in practical deployments due to timing and fault injection attacks on embedded systems. This work presents a lightweight dual-detection framework combining statistical thresholding…

Cryptography and Security · Computer Science 2025-09-01 Nishant Chinnasami , Rasha Karakchi

Side-channel attacks pose significant challenges to the security of embedded systems, often allowing attackers to circumvent encryption algorithms in minutes compared to the trillions of years required for brute-force attacks. To mitigate…

Cryptography and Security · Computer Science 2023-07-27 Gabriel Klasson Landin , Truls Jilborg

In this paper we introduced countermeasures against side-channel attacks in the shared memory of TrustZone. We proposed zero-contention cache memory or policy between REE and TEE to prevent from TruSpy attacks in TrustZone. And we suggested…

Cryptography and Security · Computer Science 2020-11-20 Na-Young Ahn , Dong Hoon Lee

To protect cryptographic implementations from side-channel vulnerabilities, developers must adopt constant-time programming practices. As these can be error-prone, many side-channel detection tools have been proposed. Despite this, such…

Cryptography and Security · Computer Science 2023-10-13 Antoine Geimer , Mathéo Vergnolle , Frédéric Recoules , Lesly-Ann Daniel , Sébastien Bardin , Clémentine Maurice

This work considers the multiple-access multicast error-correction scenario over a packetized network with $z$ malicious edge adversaries. The network has min-cut $m$ and packets of length $\ell$, and each sink demands all information from…

Cryptographic libraries, an essential part of cybersecurity, are shown to be susceptible to different types of attacks, including side-channel and memory-corruption attacks. In this article, we examine popular cryptographic libraries in…

Cryptography and Security · Computer Science 2026-05-21 Rodothea Myrsini Tsoupidi , Elena Troubitsyna , Panos Papadimitratos

The Knights Landing (KNL) is the codename for the latest generation of Intel processors based on Intel Many Integrated Core (MIC) architecture. It relies on massive thread and data parallelism, and fast on-chip memory. This processor…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-04-06 Enrico Calore , Alessandro Gabbana , Sebastiano Fabio Schifano , Raffaele Tripiccione

The run-time electromagnetic (EM) emanation of microprocessors presents a side-channel that leaks the confidentiality of the applications running on them. Many recent works have demonstrated successful attacks leveraging such side-channels…

Cryptography and Security · Computer Science 2025-10-16 Nuntipat Narkthong , Yukui Luo , Xiaolin Xu

Power side-channel (PSC) attacks are widely used in embedded microcontrollers, particularly in cryptographic applications, to extract sensitive information. However, expanding the applications of PSC attacks to broader security contexts in…

Cryptography and Security · Computer Science 2025-01-09 Pouya Narimani , Meng Wang , Ulysse Planta , Ali Abbasi

Various studies among side-channel attacks have tried to extract information through leakages from electronic devices to reach the instruction flow of some appliances. However, previous methods highly depend on the resolution of traced…

Cryptography and Security · Computer Science 2022-08-15 Pouya Narimani , Seyed Amin Habibi , Mohammad Ali Akhaee

Machine learning has become mainstream across industries. Numerous examples proved the validity of it for security applications. In this work, we investigate how to reverse engineer a neural network by using only power side-channel…

Cryptography and Security · Computer Science 2018-10-23 Lejla Batina , Shivam Bhasin , Dirmanto Jap , Stjepan Picek