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Gaussian process regression (GPR) is a non-parametric model that has been used in many real-world applications that involve sensitive personal data (e.g., healthcare, finance, etc.) from multiple data owners. To fully and securely exploit…

Cryptography and Security · Computer Science 2023-06-27 Jinglong Luo , Yehong Zhang , Jiaqi Zhang , Shuang Qin , Hui Wang , Yue Yu , Zenglin Xu

Text steganography is a mechanism of hiding secret text message inside another text as a covering message. In this paper, we propose a text steganographic scheme based on color coding. This include two different methods: the first based on…

Cryptography and Security · Computer Science 2020-06-24 Juvet K. Sadié , Leonel Moyou Metcheka , René Ndoundam

Steganography is the art of hiding secret data into the cover media for covert communication. In recent years, more and more deep neural network (DNN)-based steganographic schemes are proposed to train steganographic networks for secret…

Cryptography and Security · Computer Science 2024-02-28 Guobiao Li , Sheng Li , Zicong Luo , Zhenxing Qian , Xinpeng Zhang

Existing linguistic steganography methods primarily rely on content transformations to conceal secret messages. However, they often cause subtle yet looking-innocent deviations between normal and stego texts, posing potential security risks…

Cryptography and Security · Computer Science 2025-12-09 Lingyun Xiang , Chengfu Ou , Xu He , Zhongliang Yang , Yuling Liu

We propose a new system identification method, called Sign-Perturbed Sums (SPS), for constructing non-asymptotic confidence regions under mild statistical assumptions. SPS is introduced for linear regression models, including but not…

Signal Processing · Electrical Eng. & Systems 2018-07-24 Balázs Cs. Csáji , Marco C. Campi , Erik Weyer

Hiding information in network traffic may lead to leakage of confidential information. In this paper we introduce a new steganographic system: the PadSteg (Padding Steganography). To authors' best knowledge it is the first information…

Cryptography and Security · Computer Science 2010-07-06 Bartosz Jankowski , Wojciech Mazurczyk , Krzysztof Szczypiorski

We study several versions of a quantum steganography problem, in which two legitimate parties attempt to conceal a cypher in a quantum cover transmitted over a quantum channel without arising suspicion from a warden who intercepts the…

Information Theory · Computer Science 2019-07-24 Mehrdad Tahmasbi , Matthieu Bloch

The goal of an algorithm substitution attack (ASA), also called a subversion attack (SA), is to replace an honest implementation of a cryptographic tool by a subverted one which allows to leak private information while generating output…

Cryptography and Security · Computer Science 2017-11-02 Sebastian Berndt , Maciej Liskiewicz

Image steganography can hide information in a host image and obtain a stego image that is perceptually indistinguishable from the original one. This technique has tremendous potential in scenarios like copyright protection, information…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Huayuan Ye , Shenzhuo Zhang , Shiqi Jiang , Jing Liao , Shuhang Gu , Dejun Zheng , Changbo Wang , Chenhui Li

Traditional video steganography methods are based on modifying the covert space for embedding, whereas we propose an innovative approach that embeds secret message within semantic feature for steganography during the video editing process.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Xueying Mao , Xiaoxiao Hu , Wanli Peng , Zhenliang Gan , Qichao Ying , Zhenxing Qian , Sheng Li , Xinpeng Zhang

Traditional adaptive steganography is a technique used for covert communication with high security, but it is invalid in the case of stego images are sent to legal receivers over networks which is lossy, such as JPEG compression of…

Multimedia · Computer Science 2021-10-19 Zhaoxia Yin , Longfei Ke

In this paper, we study the problem of sampling random supersingular elliptic curves with unknown endomorphism rings. This problem has recently gained considerable attention as many isogeny-based cryptographic protocols require such…

Quantum Physics · Physics 2026-03-24 Maher Mamah , Jake Doliskani , David Jao

Steganography is an information hiding application which aims to hide secret data imperceptibly into a commonly used media. Unfortunately, the theoretical hiding asymptotical capacity of steganographic systems is not attained by algorithms…

Information Theory · Computer Science 2010-07-06 H. Rifà-Pous , J. Rifà , L. Ronquillo

With the rapid development of deep learning, existing generative text steganography methods based on autoregressive models have achieved success. However, these autoregressive steganography approaches have certain limitations. Firstly,…

Cryptography and Security · Computer Science 2025-04-29 Zhengxian Wu , Juan Wen , Yiming Xue , Ziwei Zhang , Yinghan Zhou

Steganalysis means analysis of stego images. Like cryptanalysis, steganalysis is used to detect messages often encrypted using secret key from stego images produced by steganography techniques. Recently lots of new and improved…

Multimedia · Computer Science 2014-05-21 Tanmoy Sarkar , Sugata Sanyal

In this paper, a new key-agreement scheme is proposed and analyzed. In addition to being provably secure in shared secret key indistinguishability model, the scheme has an interesting feature: while using exponentiation over a cyclic…

Cryptography and Security · Computer Science 2021-06-08 Abdelhaliem Babiker

With the advancement of information hiding techniques, generation-based coverless steganography has emerged as an alternative to traditional methods, leveraging generative models to transform secret information into stego-objects rather…

Cryptography and Security · Computer Science 2025-03-14 Mingyu Yu , Haonan Miao , Zhengping Jin , Sujuan Qin

In this paper we propose a new data hiding technique. The new technique uses steganography and cryptography on images with a size of 256x256 pixels and an 8-bit grayscale format. There are design restrictions such as a fixed-size cover…

Cryptography and Security · Computer Science 2012-12-13 Francisco Rubén Castillo Soria , Gustavo Fernández Torres , Ignacio Algredo-Badillo

The secrecy of a communication system in which both the legitimate receiver and an eavesdropper are allowed some distortion is investigated. The secrecy metric considered is the exponent of the probability that the eavesdropper estimates…

Information Theory · Computer Science 2017-04-04 Ibrahim Issa , Aaron B. Wagner

Image steganography is the art and science of using images as cover for covert communications. With the development of neural networks, traditional image steganography is more likely to be detected by deep learning-based steganalysis. To…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Donghui Hu , Yu Zhang , Cong Yu , Jian Wang , Yaofei Wang
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