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Current Semi-supervised Learning (SSL) adopts the pseudo-labeling strategy and further filters pseudo-labels based on confidence thresholds. However, this mechanism has notable drawbacks: 1) setting the reasonable threshold is an open…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Jiaqi Wu , Junbiao Pang , Qingming Huang

Recently, a chaos-based image encryption algorithm using alternate structure (IEAS) was proposed. This paper focuses on differential cryptanalysis of the algorithm and finds that some properties of IEAS can support a differential attack to…

密码学与安全 · 计算机科学 2011-12-22 Yu Zhang , Chengqing Li , Kwok-Wo Wong , Shi Shu , Guanrong Chen

Randomness extraction is an essential post-processing step in practical quantum cryptography systems. When statistical fluctuations are taken into consideration, the requirement of large input data size could heavily penalise the speed and…

量子物理 · 物理学 2024-04-09 Hong Jie Ng , Wen Yu Kon , Ignatius William Primaatmaja , Chao Wang , Charles Lim

We study the index coding problem in the presence of an eavesdropper, where the aim is to communicate without allowing the eavesdropper to learn any single message aside from the messages it may already know as side information. We…

信息论 · 计算机科学 2018-09-12 Yuxin Liu , Badri N. Vellambi , Young-Han Kim , Parastoo Sadeghi

In the past, two main approaches for the purpose of authentication, including information-theoretic authentication codes and complexity-theoretic message authentication codes (MACs), were almost independently developed. In this paper, we…

信息论 · 计算机科学 2015-11-18 Xiaofu Wu , Zhen Yang , Cong Ling , Xiang-Gen Xia

Quantum computing testbeds exhibit high-fidelity quantum control over small collections of qubits, enabling performance of precise, repeatable operations followed by measurements. Currently, these noisy intermediate-scale devices can…

This work presents a new tool to verify the correctness of cryptographic implementations with respect to cache attacks. Our methodology discovers vulnerabilities that are hard to find with other techniques, observed as exploitable leakage.…

密码学与安全 · 计算机科学 2017-09-07 Gorka Irazoqui , Kai Cong , Xiaofei Guo , Hareesh Khattri , Arun Kanuparthi , Thomas Eisenbarth , Berk Sunar

This paper presents a new technique for providing the analysis and comparison of wiretap codes in the small blocklength regime over the binary erasure wiretap channel. A major result is the development of Monte Carlo strategies for…

信息论 · 计算机科学 2017-01-20 Jack Pfister , Marco A. C. Gomes , Joao P. Vilela , Willie K. Harrison

This paper firstly addresses the problem of risk assessment under false data injection attacks on uncertain control systems. We consider an adversary with complete system knowledge, injecting stealthy false data into an uncertain control…

系统与控制 · 电气工程与系统科学 2022-12-12 Sribalaji C. Anand , André M. H. Teixeira , Anders Ahlén

Achieving security against adversaries with unlimited computational power is of great interest in a communication scenario. Since polar codes are capacity achieving codes with low encoding-decoding complexity and they can approach perfect…

信息论 · 计算机科学 2018-01-23 Amirsina Torfi , Sobhan Soleymani , Siamak Aram , Vahid Tabataba Vakili

In the era of generative AI, ensuring the privacy of music data presents unique challenges: unlike static artworks such as images, music data is inherently temporal and multimodal, and it is sampled, transformed, and remixed at an…

数据库 · 计算机科学 2025-08-12 William Zerong Wang , Dongfang Zhao

This paper puts forward a safe mechanism of data transmission to tackle the security problem of information which is transmitted in Internet. The encryption standards such as DES (Data Encryption Standard), AES (Advanced Encryption…

密码学与安全 · 计算机科学 2011-10-11 Shaik Rasool , G. Sridhar , K. Hemanth Kumar , P. Ravi Kumar

We design short blocklength codes for the Gaussian wiretap channel under information-theoretic security guarantees. Our approach consists in decoupling the reliability and secrecy constraints in our code design. Specifically, we handle the…

信息论 · 计算机科学 2023-01-24 Vidhi Rana , Remi A. Chou

This survey is the first work on the current standard for lightweight cryptography, standardized in 2023. Lightweight cryptography plays a vital role in securing resource-constrained embedded systems such as deeply-embedded systems…

密码学与安全 · 计算机科学 2023-04-17 Jasmin Kaur , Alvaro Cintas Canto , Mehran Mozaffari Kermani , Reza Azarderakhsh

This study presents a structured approach to evaluating vulnerabilities within quantum cryptographic protocols, focusing on the BB84 quantum key distribution method and National Institute of Standards and Technology (NIST) approved…

密码学与安全 · 计算机科学 2025-09-30 Petar Radanliev

Biometric recognition systems are security systems based on intrinsic properties of their users, usually encoded in high dimension representations called embeddings, which potential theft would represent a greater threat than a temporary…

密码学与安全 · 计算机科学 2024-08-20 Thomas Thebaud , Gaël Le Lan , Anthony Larcher

The modern data compression is mainly based on two approaches to entropy coding: Huffman (HC) and arithmetic/range coding (AC). The former is much faster, but approximates probabilities with powers of 2, usually leading to relatively low…

信息论 · 计算机科学 2014-01-07 Jarek Duda

Existing semi-supervised learning (SSL) algorithms typically assume class-balanced datasets, although the class distributions of many real-world datasets are imbalanced. In general, classifiers trained on a class-imbalanced dataset are…

机器学习 · 计算机科学 2021-10-22 Hyuck Lee , Seungjae Shin , Heeyoung Kim

The proposed hybrid message embedded scheme consists of hill cipher combined with message embedded chaotic scheme. Message-embedded scheme using non-linear feedback shift register as non-linear function and 1-D logistic map as chaotic map…

密码学与安全 · 计算机科学 2012-09-13 Mina Mishra , V. H. Mankar

Using cryptography to protect information and communication has bacically two major drawbacks. First, the specific entropy profile of encrypted data makes their detection very easy. Second, the use of cryptography can be more or less…

密码学与安全 · 计算机科学 2015-03-17 Eric Filiol