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Semantic communication is implemented based on shared background knowledge, but the sharing mechanism risks privacy leakage. In this letter, we propose an encrypted semantic communication system (ESCS) for privacy preserving, which combines…

Information Theory · Computer Science 2022-09-20 Xinlai Luo , Zhiyong Chen , Meixia Tao , Feng Yang

We describe scalable protocols for solving the secure multi-party computation (MPC) problem among a large number of parties. We consider both the synchronous and the asynchronous communication models. In the synchronous setting, our…

Data Structures and Algorithms · Computer Science 2015-09-29 Varsha Dani , Valerie King , Mahnush Movahedi , Jared Saia , Mahdi Zamani

Timing channels are information flows, encoded in the relative timing of events, that bypass the system's protection mechanisms. Any microarchitectural state that depends on execution history and affects the rate of progress of later…

Cryptography and Security · Computer Science 2017-09-15 Qian Ge , Yuval Yarom , Frank Li , Gernot Heiser

The mismatch of acoustic impedance at water-air interface can lead a low transmitted sound energy. In this paper, we propose a discrete metasurface for extreme sound transmission based on the impedance matching theory. By employing topology…

Applied Physics · Physics 2024-01-18 Shao-Cong Zhang , Hong-Tao Zhou , Xiao-Tong Gong , Yan-Feng Wang , Yue-Sheng Wang

Compared to traditional neural networks with a single output channel, a multi-exit network has multiple exits that allow for early outputs from the model's intermediate layers, thus significantly improving computational efficiency while…

Cryptography and Security · Computer Science 2025-03-18 Li Pan , Lv Peizhuo , Chen Kai , Zhang Shengzhi , Cai Yuling , Xiang Fan

Semantic segmentation arises as the backbone of many vision systems, spanning from self-driving cars and robot navigation to augmented reality and teleconferencing. Frequently operating under stringent latency constraints within a limited…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Alexandros Kouris , Stylianos I. Venieris , Stefanos Laskaridis , Nicholas D. Lane

Accurate local state measurement is important to ensure the reliable operation of distributed multi-agent systems (MAS). Existing fault-tolerant control strategies generally assume the sensor faults to be bounded and uncorrelated. In this…

Systems and Control · Electrical Eng. & Systems 2024-01-31 Shan Zuo , Yi Zhang , Yichao Wang

Traditionally, power side-channel analysis requires physical access to the target device, as well as specialized devices to measure the power consumption with enough precision. Recently research has shown that on x86 platforms, on-chip…

Cryptography and Security · Computer Science 2024-10-08 Nikhil Chawla , Chen Liu , Abhishek Chakraborty , Igor Chervatyuk , Ke Sun , Thais Moreira Hamasaki , Henrique Kawakami

Trusted Execution Environments (TEEs) are gradually adopted by major cloud providers, offering a practical option of \emph{confidential computing} for users who don't fully trust public clouds. TEEs use CPU-enabled hardware features to…

Cryptography and Security · Computer Science 2023-08-15 AKM Mubashwir Alam , Keke Chen

With relentless CMOS technology downsizing Networks-on-Chips (NoCs) are inescapably experiencing escalating susceptibility to wearout and reduced reliability. While faults in processors and memories may be masked via redundancy, or…

Hardware Architecture · Computer Science 2020-06-22 Costas Iordanou , Vassos Soteriou , Konstantinos Aisopos

The channel hardening effect is less pronounced in the cell-free massive multiple-input multiple-output (mMIMO) system compared to its cellular counterpart, making it necessary to estimate the downlink effective channel gains to ensure…

Information Theory · Computer Science 2024-04-12 Weiyang Xu , Ruiguang Wang , Yuan Zhang , Hien Quoc Ngo , Wei Xiang

Acoustic side-channel attacks on keyboards can bypass security measures in many systems that use keyboards as one of the input devices. These attacks aim to reveal users' sensitive information by targeting the sounds made by their keyboards…

Cryptography and Security · Computer Science 2024-03-14 Alireza Taheritajar , Reza Rahaeimehr

Rate-Splitting Multiple Access (RSMA) for multi-user downlink operates by splitting the message for each user equipment (UE) into a private message and a set of common messages, which are simultaneously transmitted by means of superposition…

Signal Processing · Electrical Eng. & Systems 2022-03-09 Daesung Yu , Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

In this paper, we investigate the covert sensor attack synthesis problem in the framework of supervisory control of networked discrete-event systems (DES), where the observation channel and the control channel are assumed to be non-FIFO and…

Systems and Control · Electrical Eng. & Systems 2021-03-15 Ruochen Tai , Liyong Lin , Yuting Zhu , Rong Su

This paper investigates the potential of movable antennas (MAs) to enhance physical layer security within a multiple-input multiple-output multiple-antenna eavesdropper (MIMOME) system. We consider a practical scenario where the transmitter…

Information Theory · Computer Science 2026-01-22 Lei Xie , Peilan Wang , Guanxiong Shen , Guyue Li , Weidong Mei , Liquan Chen

Recent attacks have broken process isolation by exploiting microarchitectural side channels that allow indirect access to shared microarchitectural state. Enclaves strengthen the process abstraction to restore isolation guarantees. We…

Cryptography and Security · Computer Science 2019-08-30 Thomas Bourgeat , Ilia Lebedev , Andrew Wright , Sizhuo Zhang , Arvind , Srinivas Devadas

In this paper we analyze the performance of single stream and multi-stream spatial multiplexing (SM) systems employing opportunistic scheduling in the presence of interference. In the proposed downlink framework, every active user reports…

Information Theory · Computer Science 2013-07-16 Kiran Kuchi

Intel SGX is known to be vulnerable to a class of practical attacks exploiting memory access pattern side-channels, notably page-fault attacks and cache timing attacks. A promising hardening scheme is to wrap applications in hardware…

Cryptography and Security · Computer Science 2022-12-29 Yuzhe Tang , Kai Li , Yibo Wang , Jiaqi Chen , Cheng Xu

Secure multiparty computation (MPC) allows joint privacy-preserving computations on data of multiple parties. Although MPC has been studied substantially, building solutions that are practical in terms of computation and communication cost…

Networking and Internet Architecture · Computer Science 2010-02-16 Martin Burkhart , Mario Strasser , Dilip Many , Xenofontas Dimitropoulos

Trusted Execution Environments (TEEs) have been proposed as a solution to protect code confidentiality in scenarios where computation is outsourced to an untrusted operator. We study the resilience of such solutions to side-channel attacks…

Cryptography and Security · Computer Science 2022-12-16 Ivan Puddu , Moritz Schneider , Daniele Lain , Stefano Boschetto , Srdjan Čapkun