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Steganographic protocols enable one to embed covert messages into inconspicuous data over a public communication channel in such a way that no one, aside from the sender and the intended receiver, can even detect the presence of the secret…

密码学与安全 · 计算机科学 2012-02-06 Aggelos Kiayias , Alexander Russell , Narasimha Shashidhar

An analysis of steganographic systems subject to the following perfect undetectability condition is presented in this paper. Following embedding of the message into the covertext, the resulting stegotext is required to have exactly the same…

信息论 · 计算机科学 2016-11-17 Ying Wang , Pierre Moulin

Visual Cryptography is a special encryption technique to hide information in images, which divide secret image into multiple layers. Each layer holds some information. The receiver aligns the layers and the secret information is revealed by…

密码学与安全 · 计算机科学 2010-04-27 Sozan Abdulla

In recent years, establishing secure visual communications has turned into one of the essential problems for security engineers and researchers. However, only limited novel solutions are provided for image encryption, and limiting the…

密码学与安全 · 计算机科学 2022-04-19 Navid Abapour , Mohsen Ebadpour

A quantum cryptography scheme based on entanglement between a single particle state and a vacuum state is proposed. The scheme utilizes linear optics devices to detect the superposition of the vacuum and single particle states. Existence of…

量子物理 · 物理学 2009-11-10 Jae-Weon Lee , Eok Kyun Lee , Yong Wook Chung , Hai-Woong Lee , Jaewan Kim

A new framework for information hiding security, called topological-security, has been proposed in a previous study. It is based on the evaluation of unpredictability of the scheme, whereas existing notions of security, as stego-security,…

密码学与安全 · 计算机科学 2011-12-19 Christophe Guyeux , Nicolas Friot , Jacques M. Bahi

Steganography has proven to be one of the practical way of securing data. It is a new kind of secret communication used to hide secret data inside other innocent digital mediums. There are various algorithms for pair and matching technique.…

密码学与安全 · 计算机科学 2022-02-02 P N Priya , R Ranjitha , Yashaswini Naik , Shrilekha , Rama Moorthy H

Image steganography is the technique of embedding secret information within images. The development of deep learning has led to significant advances in this field. However, existing methods often struggle to balance image quality, embedding…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Abhinav Kumar , Pratham Singla , Aayan Yadav

Steganography is about how to send secret message covertly. And the purpose of steganalysis is to not only detect the existence of the hidden message but also extract it. So far there have been many reliable detecting methods on various…

密码学与安全 · 计算机科学 2007-05-23 Zhang Weiming , Li Shiqu

HyperFrog is an experimental post-quantum Key Encapsulation Mechanism that explores a variant of the Learning With Errors (LWE) design space in which the secret is not sampled from an independent product distribution, but is…

密码学与安全 · 计算机科学 2026-03-30 Victor Duarte Melo

In the recent world, security is a prime important issue, and encryption is one of the best alternative way to ensure security. More over, there are many image encryption schemes have been proposed, each one of them has its own strength and…

密码学与安全 · 计算机科学 2011-03-22 G. A. Sathishkumar , Dr. K. Bhoopathy bagan , Dr. N. Sriraam

Cryptography is the science of using mathematics to encrypt and decrypt data. Cryptography enables you to store sensitive information or transmit it across insecure networks so that it cannot be read by anyone except the intended recipient.…

密码学与安全 · 计算机科学 2011-10-10 Penmetsa V. Krishna Raja , A. S. N. Chakravarthy , P. S. Avadhani

Steganography is the science of hiding and communicating a secret message by embedding it in an innocent looking text such that the eavesdropper is unaware of its existence. Previously, attempts were made to establish steganography using…

量子物理 · 物理学 2022-06-07 Rohan Joshi , Akhil Gupta , Kishore Thapliyal , R Srikanth , Anirban Pathak

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…

信息论 · 计算机科学 2010-07-06 H. Rifà-Pous , J. Rifà , L. Ronquillo

In this paper is proposed a novel steganographic scheme based on chaotic iterations. This research work takes place into the information hiding security fields. We show that the proposed scheme is stego-secure, which is the highest level of…

密码学与安全 · 计算机科学 2011-12-19 Nicolas Friot , Christophe Guyeux , Jacques M. Bahi

Steganography is the science of hiding digital information in such a way that no one can suspect its existence. Unlike cryptography which may arouse suspicions, steganography is a stealthy method that enables data communication in total…

密码学与安全 · 计算机科学 2013-01-01 Youssef Bassil

In this paper, a novel steganographic scheme based on chaotic iterations is proposed. This research work takes place into the information hiding security framework. The applications for anonymity and privacy through the Internet are…

密码学与安全 · 计算机科学 2012-02-27 Jacques M. Bahi , Jean-François Couchot , Nicolas Friot , Christophe Guyeux

We introduce a steganographic information hiding scheme based on structural properties of numerical semigroups arising from the Frobenius coin problem. Instead of encoding data through representable integers, the proposed protocol embeds…

组合数学 · 数学 2026-02-05 Jean-Christophe Pain

In today's digital age, the internet is essential for communication and the sharing of information, creating a critical need for sophisticated data security measures to prevent unauthorized access and exploitation. Cryptography encrypts…

密码学与安全 · 计算机科学 2024-04-12 Anamitra Maiti , Subham Laha , Rishav Upadhaya , Soumyajit Biswas , Vikas Chaudhary , Biplab Kar , Nikhil Kumar , Jaydip Sen

With the advent of digital communication, securing digital images during transmission and storage has become a critical concern. The traditional s-box substitution methods often fail to effectively conceal the information within highly…