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The ubiquity and pervasiveness of modern Internet of Things (IoT) devices opens up vast possibilities for novel applications, but simultaneously also allows spying on, and collecting data from, unsuspecting users to a previously unseen…

We present a method to generate speech from input text and a style vector that is extracted from a reference speech signal in an unsupervised manner, i.e., no style annotation, such as speaker information, is required. Existing unsupervised…

音频与语音处理 · 电气工程与系统科学 2020-03-16 Ting-Yao Hu , Ashish Shrivastava , Oncel Tuzel , Chandra Dhir

Semantic communication has emerged as a promising paradigm for enhancing communication efficiency in sixth-generation (6G) networks. However, the broadcast nature of wireless channels makes SemCom systems vulnerable to eavesdropping, which…

信息论 · 计算机科学 2025-04-01 Shunpu Tang , Yuhao Chen , Qianqian Yang , Ruichen Zhang , Dusit Niyato , Zhiguo Shi

Wireless communication systems, such as wireless sensor networks and RFIDs, are increasingly adopted to transfer potential highly sensitive information. Since the wireless medium has a sharing nature, adversaries have a chance to eavesdrop…

密码学与安全 · 计算机科学 2017-10-27 Jialin Wan , Siyao Cheng , Shanshan Han , Jianzhong Li

Secure communication over a memoryless wiretap channel in the presence of a passive eavesdropper is considered. Traditional information-theoretic security methods require an advantage for the main channel over the eavesdropper channel to…

密码学与安全 · 计算机科学 2013-11-18 Azadeh Sheikholeslami , Dennis Goeckel , Hossein Pishro-Nik

As a warm-blooded mammalian species, we humans routinely leave thermal residues on various objects with which we come in contact. This includes common input devices, such as keyboards, that are used for entering (among other things) secret…

密码学与安全 · 计算机科学 2018-07-12 Tyler Kaczmarek , Ercan Ozturk , Gene Tsudik

USB is the most prevalent peripheral interface in modern computer systems and its inherent insecurities make it an appealing attack vector. A well-known limitation of USB is that traffic is not encrypted. This allows on-path adversaries to…

密码学与安全 · 计算机科学 2022-11-04 Robert Dumitru , Daniel Genkin , Andrew Wabnitz , Yuval Yarom

Generative Adversarial Networks (GANs) have achieved excellent audio synthesis quality in the last years. However, making them operable with semantically meaningful controls remains an open challenge. An obvious approach is to control the…

声音 · 计算机科学 2021-08-04 Javier Nistal , Stefan Lattner , Gaël Richard

Cybersecurity continues to be a difficult issue for society especially as the number of networked systems grows. Techniques to protect these systems range from rules-based to artificial intelligence-based intrusion detection systems and…

密码学与安全 · 计算机科学 2022-05-10 Paul Maxwell , David Niblick , Daniel C. Ruiz

Due to the broadcast nature of the wireless medium, wireless communication is susceptible to adversarial eavesdropping. This paper describes how eavesdropping can potentially be defeated by exploiting the superposition nature of the…

信息论 · 计算机科学 2008-05-02 Xiaojun Tang , Ruoheng Liu , Predrag Spasojevic , H. Vincent Poor

The growing accessibility of diffusion models has revolutionized image editing but also raised significant concerns about unauthorized modifications, such as misinformation and plagiarism. Existing countermeasures largely rely on…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Yaopei Zeng , Yuanpu Cao , Lu Lin

The growing adoption of voice-enabled devices (e.g., smart speakers), particularly in smart home environments, has introduced many security vulnerabilities that pose significant threats to users' privacy and safety. When multiple devices…

密码学与安全 · 计算机科学 2023-02-07 Payton Walker , Tianfang Zhang , Cong Shi , Nitesh Saxena , Yingying Chen

This paper investigates artificial noise injection into the temporal and spatial dimensions of a legitimate wireless communication system to secure its transmissions from potential eavesdropping. We consider a multiple-input single-output…

信息论 · 计算机科学 2017-06-21 Ahmed El Shafie , Zhiguo Ding , Naofal Al-Dhahir

In this paper, we present an acoustic side channel attack which makes use of smartphone microphones recording a robot in operation to exploit acoustic properties of the sound to fingerprint a robot's movements. In this work we consider the…

密码学与安全 · 计算机科学 2022-09-22 Ryan Shah , Mujeeb Ahmed , Shishir Nagaraja

Password-based authentication faces various security and usability issues. Password managers help alleviate some of these issues by enabling users to manage their passwords effectively. However, malicious client-side scripts and browser…

密码学与安全 · 计算机科学 2024-02-12 Anuj Gautam , Tarun Kumar Yadav , Kent Seamons , Scott Ruoti

We show that subtle acoustic noises emanating from within computer screens can be used to detect the content displayed on the screens. This sound can be picked up by ordinary microphones built into webcams or screens, and is inadvertently…

密码学与安全 · 计算机科学 2019-05-21 Daniel Genkin , Mihir Pattani , Roei Schuster , Eran Tromer

In the wake of increasing numbers of attacks on radio communication systems, a range of techniques are being deployed to increase the security of these systems. One such technique is radio fingerprinting, in which the transmitter can be…

密码学与安全 · 计算机科学 2024-04-05 Joshua Smailes , Edd Salkield , Sebastian Köhler , Simon Birnbach , Martin Strohmeier , Ivan Martinovic

Voice Processing Systems (VPSes), now widely deployed, have been made significantly more accurate through the application of recent advances in machine learning. However, adversarial machine learning has similarly advanced and has been used…

密码学与安全 · 计算机科学 2019-04-12 Hadi Abdullah , Washington Garcia , Christian Peeters , Patrick Traynor , Kevin R. B. Butler , Joseph Wilson

With society's increasing reliance on digital data sharing, the protection of sensitive information has become critical. Encryption serves as one of the privacy-preserving methods; however, its realization in the audio domain predominantly…

密码学与安全 · 计算机科学 2025-09-23 Petr Grinberg , Eric Bezzam , Paolo Prandoni , Martin Vetterli

Radio Frequency (RF) fingerprinting is to identify a wireless device from its uniqueness of the analog circuitry or hardware imperfections. However, unlike the MAC address which can be modified, such hardware feature is inevitable for the…

密码学与安全 · 计算机科学 2024-06-13 Zhaoyi Lu , Wenchao Xu , Ming Tu , Xin Xie , Cunqing Hua , Nan Cheng