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In this paper, we introduce a new attack called controller manipulation attack (CMA) on a Reconfigurable Intelligent Surface (RIS) assisted communication system between a transmitter and a receiver. An attacker has the capability to…

信号处理 · 电气工程与系统科学 2023-11-29 Siddharth Sankar Acharjee , Arpan Chattopadhyay

Modern systems mitigate Rowhammer using victim refresh, which refreshes the two neighbours of an aggressor row when it encounters a specified number of activations. Unfortunately, complex attack patterns like Half-Double break…

密码学与安全 · 计算机科学 2023-08-30 Anish Saxena , Saurav Mathur , Moinuddin Qureshi

The vulnerability of machine learning systems to adversarial attacks questions their usage in many applications. In this paper, we propose a randomized diversification as a defense strategy. We introduce a multi-channel architecture in a…

机器学习 · 计算机科学 2019-04-02 Olga Taran , Shideh Rezaeifar , Taras Holotyak , Slava Voloshynovskiy

Recently backdoor attack has become an emerging threat to the security of deep neural network (DNN) models. To date, most of the existing studies focus on backdoor attack against the uncompressed model; while the vulnerability of compressed…

密码学与安全 · 计算机科学 2022-08-24 Huy Phan , Cong Shi , Yi Xie , Tianfang Zhang , Zhuohang Li , Tianming Zhao , Jian Liu , Yan Wang , Yingying Chen , Bo Yuan

As machine learning (ML) systems are being increasingly employed in the real world to handle sensitive tasks and make decisions in various fields, the security and privacy of those models have also become increasingly critical. In…

密码学与安全 · 计算机科学 2023-02-21 Marwan Omar

A repair of the Faure-Loidreau (FL) public-key code-based cryptosystem is proposed. The FL cryptosystem is based on the hardness of list decoding Gabidulin codes which are special rank-metric codes. We prove that the recent structural…

密码学与安全 · 计算机科学 2018-05-08 Antonia Wachter-Zeh , Sven Puchinger , Julian Renner

We propose a cipher similar to the One Time Pad and McEliece cipher based on a subband coding scheme. The encoding process is an approximation to the One Time Pad encryption scheme. We present results of numerical experiments which suggest…

密码学与安全 · 计算机科学 2007-05-23 Ryan Harkins , Eric Weber , Andrew Westmeyer

Fairly recently, a new encryption scheme for embedded systems based on continuous third-order hyperbolic sine chaotic system was proposed by Z. Lin et al. The cryptosystem's main objective is to provide a faster algorithm with lowest…

密码学与安全 · 计算机科学 2021-06-21 Imad El Hanouti , Hakim El Fadili , Khalid Zenkouar

We consider a communication scenario, in which an intruder tries to determine the modulation scheme of the intercepted signal. Our aim is to minimize the accuracy of the intruder, while guaranteeing that the intended receiver can still…

机器学习 · 计算机科学 2020-04-09 Muhammad Zaid Hameed , Andras Gyorgy , Deniz Gunduz

The development of quantum computers has been advancing rapidly in recent years. As quantum computers become more widely accessible, potentially malicious users could try to execute their code on the machines to leak information from other…

硬件体系结构 · 计算机科学 2023-09-13 Jerry Tan , Chuanqi Xu , Theodoros Trochatos , Jakub Szefer

Recent studies have shown that deep neural networks (DNNs) are vulnerable to adversarial attacks, including evasion and backdoor (poisoning) attacks. On the defense side, there have been intensive efforts on improving both empirical and…

机器学习 · 计算机科学 2023-08-04 Maurice Weber , Xiaojun Xu , Bojan Karlaš , Ce Zhang , Bo Li

Understanding smart grid cyber attacks is key for developing appropriate protection and recovery measures. Advanced attacks pursue maximized impact at minimized costs and detectability. This paper conducts risk analysis of combined data…

密码学与安全 · 计算机科学 2017-08-29 Kaikai Pan , André Teixeira , Milos Cvetkovic , Peter Palensky

Caches have been exploited to leak secret information due to the different times they take to handle memory accesses. Cache timing attacks include non-speculative cache side and covert channel attacks and cache-based speculative execution…

密码学与安全 · 计算机科学 2024-04-23 Guangyuan Hu , Ruby B. Lee

We study uncloneable quantum encryption schemes for classical messages as recently proposed by Broadbent and Lord. We focus on the information-theoretic setting and give several limitations on the structure and security of these schemes:…

量子物理 · 物理学 2021-11-05 Christian Majenz , Christian Schaffner , Mehrdad Tahmasbi

Replay and rollback attacks threaten cloud application integrity by reintroducing authentic yet stale data through an untrusted storage interface to compromise application decision-making. Prior security frameworks mitigate these attacks by…

密码学与安全 · 计算机科学 2026-04-17 Quinn Burke , Anjo Vahldiek-Oberwagner , Michael Swift , Patrick McDaniel

We introduce a new probabilistic public-key cryptosystem which combines the main ingredients of the well-known RSA and Rabin cryptosystems. We investigate the security and performance of our new scheme in comparison to the other two.

密码学与安全 · 计算机科学 2024-03-26 Soeren Kleine , Andreas Nickel , Torben Ritter , Krishnan Shankar

A semiquantum key distribution (SQKD) protocol makes it possible for a quantum party and a classical party to generate a secret shared key. However, many existing SQKD protocols are not experimentally feasible in a secure way using current…

量子物理 · 物理学 2018-07-20 Michel Boyer , Rotem Liss , Tal Mor

The field of Person Re-Identification (Re-ID) has received much attention recently, driven by the progress of deep neural networks, especially for image classification. The problem of Re-ID consists in identifying individuals through images…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Eduardo de O. Andrade , Igor Garcia Ballhausen Sampaio , Joris Guérin , José Viterbo

This paper proposes a new block cipher termed as "Modular Arithmetic based Block Cipher with Varying Key-Spaces (MABCVK)" that uses private key-spaces of varying lengths to encrypt data files. There is a simple but intelligent use of theory…

密码学与安全 · 计算机科学 2012-03-28 Abhijit Chowdhury , Angshu Kumar Sinha , Saurabh Dutta

A ($t$, $n$) threshold quantum secret sharing (QSS) is proposed based on a single $d$-level quantum system. It enables the ($t$, $n$) threshold structure based on Shamir's secret sharing and simply requires sequential communication in…

量子物理 · 物理学 2018-10-10 Changbin Lu , Fuyou Miao , Junpeng Hou , Keju Meng