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Informally, steganography is the process of exchanging a secret message between two communicating entities so that an eavesdropper may not know that a message has been sent. After a review of some steganographic systems, we found that these…

Cryptography and Security · Computer Science 2015-06-16 Fabrice P. Tachago , Stephane G. R. Ekodeck , Rene Ndoundam

Semantic communication (SemCom) has emerged as a key technology for the forthcoming sixth-generation (6G) network, attributed to its enhanced communication efficiency and robustness against channel noise. However, the open nature of…

Signal Processing · Electrical Eng. & Systems 2024-04-19 Shunpu Tang , Chen Liu , Qianqian Yang , Shibo He , Dusit Niyato

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

With an increase in mobile and camera devices' popularity, digital content in the form of images has increased drastically. As personal life is being continuously documented in pictures, the risk of losing it to eavesdroppers is a matter of…

Cryptography and Security · Computer Science 2021-07-28 Prutha Gaherwar , Shraddha Joshi , Raviraj Joshi , Rahul Khengare

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…

Cryptography and Security · Computer Science 2024-04-12 Anamitra Maiti , Subham Laha , Rishav Upadhaya , Soumyajit Biswas , Vikas Chaudhary , Biplab Kar , Nikhil Kumar , Jaydip Sen

In the past, steganography was to embed text in a carrier, the sender Alice and the recipient Bob share the key, and the text is extracted by Bob through the key. If more information is embedded, the image is easily distorted. In contrast,…

Multimedia · Computer Science 2019-10-21 Duan Xintao , Liu Nao

A Previously traditional methods were sufficient to protect the information, since it is simplicity in the past does not need complicated methods but with the progress of information technology, it become easy to attack systems, and…

Cryptography and Security · Computer Science 2010-02-12 Rafiqul Islam , A. W. Naji , A. A. Zaidan , B. B. Zaidan

As long as human beings exist on this earth, there will be confidential images intended for limited audience. These images have to be transmitted in such a way that no unauthorized person gets knowledge of them. DNA sequences play a vital…

Cryptography and Security · Computer Science 2016-11-28 Grasha Jacob , A. Murugan

Retention of secrecy is one of the significant features during communication activity. Steganography is one of the popular methods to achieve secret communication between sender and receiver by hiding message in any form of cover media such…

Multimedia · Computer Science 2012-04-13 T. R. Gopalakrishnan Nair , Suma V , Manas S

Steganography is one of the methods used for secret communication. Steganography attempts to hide the existence of the information. The object used to hide the secret information is called as cover object. Images are the most popular cover…

Multimedia · Computer Science 2013-07-12 S. Hemalatha , U. Dinesh Acharya , A. Renuka

The paper presents Multi-Level Steganography (MLS), which defines a new concept for hidden communication in telecommunication networks. In MLS, at least two steganographic methods are utilised simultaneously, in such a way that one method…

Cryptography and Security · Computer Science 2013-12-06 Wojciech Fraczek , Wojciech Mazurczyk , Krzysztof Szczypiorski

In recent years, several encryption algorithms have been proposed to protect digital images from cryptographic attacks. These encryption algorithms typically use a relatively small key space and therefore, provide safe, especially if they…

Cryptography and Security · Computer Science 2012-09-24 Ahmed Bashir Abugharsa , Abd Samad Bin Hasan Basari , Hamida Almangush

Image security for information has become increasingly critical as internet become more prevalent due to hacking and unauthorized access. To ensure the security of confidential image data, image encryption using visual cryptography plays a…

Cryptography and Security · Computer Science 2025-09-17 Dipak K. Rabari , Yogesh K. Meghrajani , Laxmi S. Desai

In an era where global connectivity has become critical, satellite communication is essential for businesses, governments, and individuals. Widely used services with satellite communication such as climate change monitoring, military…

Cryptography and Security · Computer Science 2024-10-29 Farrukh Bin Rashid , Windhya Rankothge , Somayeh Sadeghi , Hesamodin Mohammadian , Ali Ghorbani

As computer systems become more pervasive and complex, security is increasingly important. Secure Transmission refers to the transfer of data such as confidential or proprietary information over a secure channel. Many secure transmission…

Multimedia · Computer Science 2013-07-01 Deepali Virmani , Nidhi Beniwal , Gargi Mandal , Saloni Talwar

Steganography is the science of hiding a secret message within an ordinary public message, which is referred to as Carrier. Traditionally, digital signal processing techniques, such as least significant bit encoding, were used for hiding…

Sound · Computer Science 2020-07-28 Felix Kreuk , Yossi Adi , Bhiksha Raj , Rita Singh , Joseph Keshet

In order to improve the data hiding in all types of multimedia data formats such as image and audio and to make hidden message imperceptible, a novel method for steganography is introduced in this paper. It is based on Least Significant Bit…

Multimedia · Computer Science 2015-06-17 Ankit Chadha , Neha Satam

Usage of the fast development of real-life digital applications in modern technology should guarantee novel and efficient way-outs of their protection. Encryption facilitates the data hiding. With the express development of technology,…

Cryptography and Security · Computer Science 2025-02-26 Sachith Dassanayaka

Active research is going on to securely transmit a secret message or so-called steganography by using data-hiding techniques in digital images. After assessing the state-of-the-art research work, we found, most of the existing solutions are…

Cryptography and Security · Computer Science 2024-09-02 Dipnarayan Das , Asha Durafe , Vinod Patidar

Image encryption is one of the most common and effective methods to secure digital images. Recently, Khalid M. Hosny presented an image encryption scheme based on 6D hyper chaotic mapping and Q-Fibonacci matrix, which, despite its…

Cryptography and Security · Computer Science 2023-12-27 Mohammad Gholamzadeh , Behrooz Khadem
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