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We consider the problem of privately estimating the mean of vectors distributed across different nodes of an unreliable wireless network, where communications between nodes can fail intermittently. We adopt a semi-decentralized setup,…

信号处理 · 电气工程与系统科学 2024-06-07 Rajarshi Saha , Mohamed Seif , Michal Yemini , Andrea J. Goldsmith , H. Vincent Poor

Securing HPC has a unique threat model. Untrusted, malicious code exploiting the concentrated computing power may exert an outsized impact on the shared, open-networked environment in HPC, unlike well-isolated VM tenants in public clouds.…

密码学与安全 · 计算机科学 2024-10-08 Phuong Cao , Zbigniew Kalbarczyk , Ravishankar Iyer

In this paper, we present three datasets that have been built from network traffic traces using ASNM features, designed in our previous work. The first dataset was built using a state-of-the-art dataset called CDX 2009, while the remaining…

密码学与安全 · 计算机科学 2020-07-23 Ivan Homoliak , Petr Hanacek

Secure multi-party computation (MPC) allows a set of parties to compute a function jointly while keeping their inputs private. Compared with the MPC based on garbled circuits,some recent research results show that MPC based on secret…

密码学与安全 · 计算机科学 2020-01-07 Satsuya Ohata , Koji Nuida

In this paper, we first introduce the notion of channel leakage as the minimum mutual information between the channel input and channel output. As its name indicates, channel leakage quantifies the minimum information leakage to the…

信息论 · 计算机科学 2020-10-01 Song Fang , Quanyan Zhu

Mobile edge devices see increased demands in deep neural networks (DNNs) inference while suffering from stringent constraints in computing resources. Split computing (SC) emerges as a popular approach to the issue by executing only initial…

机器学习 · 计算机科学 2022-10-26 Xin Dong , Hongxu Yin , Jose M. Alvarez , Jan Kautz , Pavlo Molchanov , H. T. Kung

A continuous aperture array (CAPA)-based secure communication system is investigated, where a base station equipped with a CAPA transmits signals to a legitimate user under the existence of an eavesdropper. For improving the secrecy…

信号处理 · 电气工程与系统科学 2025-04-16 Jingjing Zhao , Haowen Song , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

To meet the ever-growing need for performance in silicon devices, SoC providers have been increasingly relying on software-hardware cooperation. By controlling hardware resources such as power or clock management from the software,…

密码学与安全 · 计算机科学 2021-11-03 Joseph Gravellier , Jean-Max Dutertre , Yannick Teglia , Philippe Loubet Moundi

The emergence of cloud computing provides a new computing paradigm for users -- massive and complex computing tasks can be outsourced to cloud servers. However, the privacy issues also follow. Fully homomorphic encryption shows great…

密码学与安全 · 计算机科学 2021-04-01 Lizhi Xiong , Wenhao Zhou , Zhihua Xia , Qi Gu , Jian Weng

In the Tor network, anonymity is achieved through a multi-layered architecture, which comes at the cost of a complex network. Scheduling data in this network is a challenging task and the current approach shows to be incapable of avoiding…

网络与互联网体系结构 · 计算机科学 2020-04-23 Felix Fiedler , Christoph Döpmann , Florian Tschorsch , Sergio Lucia

Our increasing reliance on digital technology for personal, economic, and government affairs has made it essential to secure the communications and devices of private citizens, businesses, and governments. This has led to pervasive use of…

In-memory computing architectures provide a much needed solution to energy-efficiency barriers posed by Von-Neumann computing due to the movement of data between the processor and the memory. Functions implemented in such in-memory…

硬件体系结构 · 计算机科学 2020-06-24 Sina Sayyah Ensan , Karthikeyan Nagarajan , Mohammad Nasim Imtia Khan , Swaroop Ghosh

Side-channel analysis (SCA) poses a real-world threat by exploiting unintentional physical signals to extract secret information from secure devices. Evaluation labs also use the same techniques to certify device security. In recent years,…

密码学与安全 · 计算机科学 2025-11-21 Sengim Karayalçin , Marina Krček , Stjepan Picek

Physical layer network coding (PNC) has been proposed for next generation networks. In this contribution, we investigate PNC schemes with embedded perfect secrecy by exploiting structured interference in relay networks with two users and a…

信息论 · 计算机科学 2016-02-02 David Karpuk , Arsenia Chorti

Overlay management is the cornerstone of building robust and dependable Peer-to-Peer systems. A key component for building such overlays is the peer-sampling service, a mechanism that continuously supplies each node with a set of up-to-date…

分布式、并行与集群计算 · 计算机科学 2023-09-07 Alexandros Antonov , Spyros Voulgaris

In this paper, we unveil a fundamental side channel in Wi-Fi networks, specifically the observable frame size, which can be exploited by attackers to conduct TCP hijacking attacks. Despite the various security mechanisms (e.g., WEP and…

网络与互联网体系结构 · 计算机科学 2024-10-02 Ziqiang Wang , Xuewei Feng , Qi Li , Kun Sun , Yuxiang Yang , Mengyuan Li , Ganqiu Du , Ke Xu , Jianping Wu

Side-channel attacks have empowered bypassing of cryptographic components in circuits. Power side-channel (PSC) attacks have received particular traction, owing to their non-invasiveness and proven effectiveness. Aside from prior art…

Covert channels can be utilized to secretly deliver information from high privileged processes to low privileged processes in the context of a high-assurance computing system. In this case study, we investigate the possibility of covert…

密码学与安全 · 计算机科学 2015-08-24 Wolfgang Schmidt , Michael Hanspach , Jörg Keller

Hiding information in network traffic may lead to leakage of confidential information. In this paper we introduce a new steganographic system: the PadSteg (Padding Steganography). To authors' best knowledge it is the first information…

密码学与安全 · 计算机科学 2011-04-05 Bartosz Jankowski , Wojciech Mazurczyk , Krzysztof Szczypiorski

The proliferation of smart home Internet of Things (IoT) devices presents unprecedented challenges for preserving privacy within the home. In this paper, we demonstrate that a passive network observer (e.g., an Internet service provider)…

密码学与安全 · 计算机科学 2020-07-28 Noah Apthorpe , Danny Yuxing Huang , Dillon Reisman , Arvind Narayanan , Nick Feamster