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Backdoor attack is a major threat to deep learning systems in safety-critical scenarios, which aims to trigger misbehavior of neural network models under attacker-controlled conditions. However, most backdoor attacks have to modify the…

Machine Learning · Computer Science 2023-08-24 Yizhen Yuan , Rui Kong , Shenghao Xie , Yuanchun Li , Yunxin Liu

Deep neural networks have been demonstrated to be vulnerable to backdoor attacks. Specifically, by injecting a small number of maliciously constructed inputs into the training set, an adversary is able to plant a backdoor into the trained…

Machine Learning · Statistics 2019-12-10 Alexander Turner , Dimitris Tsipras , Aleksander Madry

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…

Outsourcing in semiconductor industry opened up venues for faster and cost-effective chip manufacturing. However, this also introduced untrusted entities with malicious intent, to steal intellectual property (IP), overproduce the circuits,…

Cryptography and Security · Computer Science 2020-01-22 Nimisha Limaye , Ozgur Sinanoglu

Blind signatures play an important role in both electronic cash and electronic voting systems. Blind signatures should be secure against various attacks (such as signature forgeries). The work puts a special attention to secret key exposure…

Cryptography and Security · Computer Science 2020-07-15 Huy Quoc Le , Dung Hoang Duong , Willy Susilo , Ha Thanh Nguyen Tran , Viet Cuong Trinh , Josef Pieprzyk , Thomas Plantard

This paper introduces and demonstrates two new attacks against the Kirchhoff-Law-Johnson-Noise (KLJN) secure key exchange scheme. The attacks are based on random number generators with compromised security. First we explore the situation in…

Cryptography and Security · Computer Science 2020-05-22 Christiana Chamon , Shahriar Ferdous , Laszlo B. Kish

This paper presents SgxPectre Attacks that exploit the recently disclosed CPU bugs to subvert the confidentiality and integrity of SGX enclaves. Particularly, we show that when branch prediction of the enclave code can be influenced by…

Cryptography and Security · Computer Science 2019-09-12 Guoxing Chen , Sanchuan Chen , Yuan Xiao , Yinqian Zhang , Zhiqiang Lin , Ten H. Lai

Wireless devices resorting to event-triggered communications have been proved to suffer critical privacy issues, due to the intrinsic leakage associated with radio-frequency (RF) emissions. In this paper, we move the attack frontier forward…

Cryptography and Security · Computer Science 2020-05-22 Gabriele Oligeri , Savio Sciancalepore , Simone Raponi , Roberto Di Pietro

Delay Encryption (often called Timed-Release Encryption) is a scheme in which a message is sent into the future by ensuring its confidentiality only for a given amount of time. We propose a new scheme based on a novel time-lock puzzle. This…

Cryptography and Security · Computer Science 2022-05-12 Ivo Maffei , A. W. Roscoe

Third-party resources ($e.g.$, samples, backbones, and pre-trained models) are usually involved in the training of deep neural networks (DNNs), which brings backdoor attacks as a new training-phase threat. In general, backdoor attackers…

Cryptography and Security · Computer Science 2023-02-06 Yiming Li , Mengxi Ya , Yang Bai , Yong Jiang , Shu-Tao Xia

Hardware wallets are designed to withstand malware attacks by isolating their private keys from the cyberspace, but they are vulnerable to the attacks that fake an address stored in a clipboard. To prevent such attacks, a hardware wallet…

Cryptography and Security · Computer Science 2021-09-01 Nikolay Ivanov , Qiben Yan

To establish secure (point-to-point and/or broadcast) communication channels among the nodes of a wireless sensor network is a fundamental task. To this end, a plethora of (socalled) key pre-distribution schemes have been proposed in the…

Cryptography and Security · Computer Science 2008-12-31 Nitesh Saxena , Md. Borhan Uddin

Modern computers have graphics cards with much higher theoretical efficiency than conventional CPU. The paper presents application possibilities GPU CUDA acceleration for encryption of data using the new architecture tailored to the 3DES…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-05-21 Lukasz Swierczewski

The security of quantum key distribution (QKD) is evaluated based on the secrecy of Alice's key and the correctness of the keys held by Alice and Bob. A practical method for ensuring correctness is known as error verification, in which…

Quantum Physics · Physics 2025-12-04 Toyohiro Tsurumaru , Akihiro Mizutani , Toshihiko Sasaki

Bit sifting is an important step in the post-processing of Quantum Key Distribution (QKD) whose function is to sift out the undetected original keys. The communication traffic of bit sifting has essential impact on the net secure key rate…

Quantum Physics · Physics 2014-09-29 Qiong Li , Dan Le , Xianyan Wu , Xiamu Niu , Hong Guo

Li et al. presented a protocol [Int. Journal of Quantum Information, Vol. 4, No. 6 (2006) 899-906] for quantum key distribution based on entanglement swapping. In this protocol they use random and certain bits to construct a classical key…

Quantum Physics · Physics 2008-05-29 Stefan Schauer , Martin Suda

Malware classifiers are subject to training-time exploitation due to the need to regularly retrain using samples collected from the wild. Recent work has demonstrated the feasibility of backdoor attacks against malware classifiers, and yet…

Cryptography and Security · Computer Science 2022-02-14 Limin Yang , Zhi Chen , Jacopo Cortellazzi , Feargus Pendlebury , Kevin Tu , Fabio Pierazzi , Lorenzo Cavallaro , Gang Wang

When working with joint collections of confidential data from multiple sources, e.g., in cloud-based multi-party computation scenarios, the ownership relation between data providers and their inputs itself is confidential information.…

Cryptography and Security · Computer Science 2020-02-14 Kilian Becher , Thorsten Strufe

We address the problem of securing distributed storage systems against eavesdropping and adversarial attacks. An important aspect of these systems is node failures over time, necessitating, thus, a repair mechanism in order to maintain a…

Information Theory · Computer Science 2011-04-28 Sameer Pawar , Salim El Rouayheb , Kannan Ramchandran

Research on cache attacks has shown that CPU caches leak significant information. Proposed detection mechanisms assume that all cache attacks cause more cache hits and cache misses than benign applications and use hardware performance…

Cryptography and Security · Computer Science 2016-04-06 Daniel Gruss , Clémentine Maurice , Klaus Wagner , Stefan Mangard
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