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Microcontroller-based IoT devices often use embedded real-time operating systems (RTOSs). Vulnerabilities in these embedded RTOSs can lead to compromises of those IoT devices. Despite the significance of security protections, the absence of…

密码学与安全 · 计算机科学 2025-04-29 Xinhui Shao , Zhen Ling , Yue Zhang , Huaiyu Yan , Yumeng Wei , Lan Luo , Zixia Liu , Junzhou Luo , Xinwen Fu

We consider the problem of secure identification: user U proves to server S that he knows an agreed (possibly low-entropy) password w, while giving away as little information on w as possible, namely the adversary can exclude at most one…

量子物理 · 物理学 2009-08-05 Ivan Damgaard , Serge Fehr , Louis Salvail , Christian Schaffner

Several researchers have proposed solutions for secure data outsourcing on the public clouds based on encryption, secret-sharing, and trusted hardware. Existing approaches, however, exhibit many limitations including high computational…

数据库 · 计算机科学 2018-12-06 Sharad Mehrotra , Kerim Yasin Oktay , Shantanu Sharma

Speculative execution techniques have been a cornerstone of modern processors to improve instruction-level parallelism. However, recent studies showed that this kind of techniques could be exploited by attackers to leak secret data via…

密码学与安全 · 计算机科学 2021-07-20 Bowen Tang , Chenggang Wu , Zhe Wang , Lichen Jia , Pen-Chung Yew , Yueqiang Cheng , Yinqian Zhang , Chenxi Wang , Guoqing Harry Xu

The quantum simulation kernel is an important subroutine appearing as a very long gate sequence in many quantum programs. In this paper, we propose Paulihedral, a block-wise compiler framework that can deeply optimize this subroutine by…

量子物理 · 物理学 2021-09-09 Gushu Li , Anbang Wu , Yunong Shi , Ali Javadi-Abhari , Yufei Ding , Yuan Xie

Cache side-channel attacks lead to severe security threats to the settings that a CPU is shared across users, e.g., in the cloud. The existing attacks rely on sensing the micro-architectural state changes made by victims, and this…

密码学与安全 · 计算机科学 2021-03-09 Junpeng Wan , Yanxiang Bi , Zhe Zhou , Zhou Li

Operating systems have historically had to manage only a single type of memory device. The imminent availability of heterogeneous memory devices based on emerging memory technologies confronts the classic single memory model and opens a new…

Commodity multicore systems are increasingly adopting hardware support that enables the system software to partition the last-level cache (LLC). This support makes it possible for the operating system (OS) or the Virtual Machine Monitor…

硬件体系结构 · 计算机科学 2024-02-13 Juan Carlos Saez , Fernando Castro , Graziano Fanizzi , Manuel Prieto-Matias

Probabilistic modeling of multidimensional spatiotemporal data is critical to many real-world applications. As real-world spatiotemporal data often exhibits complex dependencies that are nonstationary and nonseparable, developing effective…

机器学习 · 统计学 2023-06-01 Mengying Lei , Aurelie Labbe , Lijun Sun

Biclustering algorithms partition data and covariates simultaneously, providing new insights in several domains, such as analyzing gene expression to discover new biological functions. This paper develops a new model-free biclustering…

统计方法学 · 统计学 2022-08-09 Marcos Matabuena , J. C Vidal , Oscar Hernan Madrid Padilla , Dino Sejdinovic

The rapid evolution of Internet of Things (IoT) environments has created an urgent need for secure and trustworthy distributed computing systems, particularly when dealing with heterogeneous devices and applications where centralized trust…

分布式、并行与集群计算 · 计算机科学 2025-05-02 Murtaza Rangwala , Rajkumar Buyya

With the continuous increase in the number of software-based attacks, there has been a growing effort towards isolating sensitive data and trusted software components from untrusted third-party components. A hardware-assisted intra-process…

密码学与安全 · 计算机科学 2020-12-07 Leila Delshadtehrani , Sadullah Canakci , Manuel Egele , Ajay Joshi

Last-level cache (LLC) partitioning is a technique to provide temporal isolation and low worst-case latency (WCL) bounds when cores access the shared LLC in multicore safety-critical systems. A typical approach to cache partitioning…

硬件体系结构 · 计算机科学 2022-04-05 Zhuanhao Wu , Hiren Patel

Stack-based memory corruption vulnerabilities have long been exploited by attackers to execute arbitrary code or perform unauthorized memory operations. Various defense mechanisms have been introduced to mitigate stack memory errors, but…

密码学与安全 · 计算机科学 2025-03-24 Lei Chong

Modular architectures are a promising approach to scaling quantum computers to fault tolerance. Small, low-noise quantum processors connected through relatively noisy quantum links are capable of fault-tolerant operation as long as the…

量子物理 · 物理学 2025-10-16 Trond Hjerpekjøn Haug , Timo Hillmann , Anton Frisk Kockum , Raphaël Van Laer

This paper presents an efficient framework for private Transformer inference that combines Homomorphic Encryption (HE) and Secure Multi-party Computation (MPC) to protect data privacy. Existing methods often leverage HE for linear layers…

密码学与安全 · 计算机科学 2025-09-03 Tianshi Xu , Wen-jie Lu , Jiangrui Yu , Chen Yi , Chenqi Lin , Runsheng Wang , Meng Li

Clustering under pairwise constraints is an important knowledge discovery tool that enables the learning of appropriate kernels or distance metrics to improve clustering performance. These pairwise constraints, which come in the form of…

机器学习 · 计算机科学 2022-03-24 Benedikt Boecking , Vincent Jeanselme , Artur Dubrawski

The eBPF framework enables execution of user-provided code in the Linux kernel. In the last few years, a large ecosystem of cloud services has leveraged eBPF to enhance container security, system observability, and network management.…

密码学与安全 · 计算机科学 2024-09-13 Soo Yee Lim , Tanya Prasad , Xueyuan Han , Thomas Pasquier

MMU-less Linux variant lacks security because it does not have protection or isolation mechanisms. It also does not use MPUs as they do not fit with its software model because of the design drawbacks of MPUs (\ie coarse-grained protection…

操作系统 · 计算机科学 2024-01-19 Hesham Almatary , Alfredo Mazzinghi , Robert N. M. Watson

Leveraging blockchain in Federated Learning (FL) emerges as a new paradigm for secure collaborative learning on Massive Edge Networks (MENs). As the scale of MENs increases, it becomes more difficult to implement and manage a blockchain…

密码学与安全 · 计算机科学 2025-03-07 Handi Chen , Rui Zhou , Yun-Hin Chan , Zhihan Jiang , Xianhao Chen , Edith C. H. Ngai