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Despite the remarkable performance and generalization levels of deep learning models in a wide range of artificial intelligence tasks, it has been demonstrated that these models can be easily fooled by the addition of imperceptible yet…

机器学习 · 计算机科学 2023-01-27 Jon Vadillo , Roberto Santana , Jose A. Lozano

A two-transmitter Gaussian multiple access wiretap channel with multiple antennas at each of the nodes is investigated. The channel matrices at the legitimate terminals are fixed and revealed to all the terminals, whereas the channel matrix…

信息论 · 计算机科学 2012-03-08 Xiang He , Ashish Khisti , Aylin Yener

Quantum key distribution (QKD) offers the promise of absolutely secure communications. However, proofs of absolute security often assume perfect implementation from theory to experiment. Thus, existing systems may be prone to insidious…

量子物理 · 物理学 2014-06-23 Samuel L. Braunstein , Stefano Pirandola

The security proofs of continuous-variable quantum key distribution are based on the assumptions that the eavesdropper can neither act on the local oscillator nor control Bob's beam splitter. These assumptions may be invalid in practice due…

We study communication over a Multiple Access Channel (MAC) where users can possibly be adversarial. The receiver is unaware of the identity of the adversarial users (if any). When all users are non-adversarial, we want their messages to be…

信息论 · 计算机科学 2023-09-12 Neha Sangwan , Mayank Bakshi , Bikash Kumar Dey , Vinod M. Prabhakaran

In this work we consider a communication problem in which a sender, Alice, wishes to communicate with a receiver, Bob, over a channel controlled by an adversarial jammer, James, who is {\em myopic}. Roughly speaking, for blocklength $n$,…

信息论 · 计算机科学 2016-10-06 Bikash Kumar Dey , Sidharth Jaggi , Michael Langberg

Backdoor attacks are an insidious security threat against machine learning models. Adversaries can manipulate the predictions of compromised models by inserting triggers into the training phase. Various backdoor attacks have been devised…

计算与语言 · 计算机科学 2023-05-29 Xuanli He , Jun Wang , Benjamin Rubinstein , Trevor Cohn

Key extraction via measuring a physical quantity is a class of information theoretic key exchange protocols that rely on the physical characteristics of the communication channel to enable the computation of a shared key by two (or more)…

密码学与安全 · 计算机科学 2015-12-17 Matt Edman , Aggelos Kiayias , Qiang Tang , Bulent Yener

Despite their tremendous success in modelling high-dimensional data manifolds, deep neural networks suffer from the threat of adversarial attacks - Existence of perceptually valid input-like samples obtained through careful perturbation…

计算机视觉与模式识别 · 计算机科学 2019-09-09 Vinay Kyatham , Mayank Mishra , Tarun Kumar Yadav , Deepak Mishra , Prathosh AP

Exchange of secret keys over public channels based on neural synchronization using a variety of learning rules offer an appealing alternative to number theory based cryptography algorithms. Though several forms of attacks are possible on…

密码学与安全 · 计算机科学 2015-02-19 Sandip Chakraborty , Jiban Dalal , Bikramjit Sarkar , Debaprasad Mukherjee

We study achievable rates of reliable communication in a power-constrained two-way additive interference channel over the real alphabet where communication is disrupted by a power-constrained jammer. This models the wireless communication…

信息论 · 计算机科学 2020-01-10 Yihan Zhang , Shashank Vatedka , Sidharth Jaggi

Multipath interference is an ubiquitous phenomenon in modern communication systems. The conventional way to compensate for this effect is to equalize the channel by estimating its impulse response by transmitting a set of training symbols.…

信息论 · 计算机科学 2016-11-18 M. Salman Asif , William Mantzel , Justin Romberg

As an interconnection technology, Bluetooth has to address all traditional security problems, well known from the distributed networks. Moreover, as Bluetooth networks are formed by the radio links, there are also additional security…

密码学与安全 · 计算机科学 2012-03-22 K. Saravanan , L. Vijayanand , R. K. Negesh

Machine learning models have been shown to leak information violating the privacy of their training set. We focus on membership inference attacks on machine learning models which aim to determine whether a data point was used to train the…

密码学与安全 · 计算机科学 2020-09-02 Shadi Rahimian , Tribhuvanesh Orekondy , Mario Fritz

In this paper we consider the problem of extracting secret key from an eavesdropped source $p_{XYZ}$ at a rate given by the conditional mutual information. We investigate this question under three different scenarios: (i) Alice ($X$) and…

量子物理 · 物理学 2017-01-12 Eric Chitambar , Ben Fortescue , Min-Hsiu Hsieh

We give an achievable secret key rate of a binary modulated continuous variable quantum key distribution schemes in the collective attack scenario considering quantum channels that impose arbitrary noise on the exchanged signals. Bob…

量子物理 · 物理学 2009-11-13 Yi-Bo Zhao , Matthias Heid , Johannes Rigas , Norbert Lütkenhaus

We consider the wiretap channel, where the individual channel uses have memory or are influenced by an adversary. We analyze the explicit and computationally efficient construction of information-theoretically secure coding schemes which…

密码学与安全 · 计算机科学 2024-04-03 Esther Hänggi , Iyán Méndez Veiga , Ligong Wang

Covert channel networks are a well-known method for circumventing the security measures organizations put in place to protect their networks from adversarial attacks. This paper introduces a novel method based on bit-rate modulation for…

密码学与安全 · 计算机科学 2024-04-25 Simone Soderi , Rocco De Nicola

We are interested in investigating the security of source encryption with a symmetric key under side-channel attacks. In this paper, we propose a general framework of source encryption with a symmetric key under the side-channel attacks,…

信息论 · 计算机科学 2022-05-05 Yasutada Oohama , Bagus Santoso

As machine learning (ML) becomes more and more powerful and easily accessible, attackers increasingly leverage ML to perform automated large-scale inference attacks in various domains. In such an ML-equipped inference attack, an attacker…

密码学与安全 · 计算机科学 2019-09-20 Jinyuan Jia , Neil Zhenqiang Gong
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