scholarly journals Crypto-Steganographic Method to Protect Secret Messages

2021 ◽  
Vol 10 (12) ◽  
pp. 46-61
Author(s):  
Mohamad Tariq Barakat ◽  
Rushdi Abu Zneit ◽  
Ziad A. Alqadi
Keyword(s):  
Digital Image ◽  
Color Image ◽  
Color Images ◽  
Secret Message ◽  
Security Level ◽  
Least Significant Bit ◽  
Simple Method ◽  
Private Key ◽  
Message Length ◽  
Digital Color Images

Multiple methods are used to hide secret messages in digital color images, and the most important and most common is the least significant bit (LSB) method. The LSB method is a known and exposed method, and anyone with programming experience can retrieve the secret message embedded in the digital image. In this paper research we will add some enhancements to improve the security level of LSB method to protect the embedded secret message from being hacked. A simple method of secret message cryptography will be used to encrypt the secret message before bedding it using LSB method. The method will be based on using color image as an image_key; this image_key will be resized to generate the needed secret private key used to encrypt-decrypt secret message. The length and the contents of the generated private key will dynamically change depending on the message length and the selected image_key. The selected image_key will be kept in secret without transmission and will be known only by the sender and receiver and it can be changed any time when needed. The proposed crypto_steganographic method will be implemented to show how it will increase the level o secret message protection.

scholarly journals An Efficient and Highly Secure Technique to Encrypt and Decrypt Color Images

2019 ◽  
Vol 9 (3) ◽  
pp. 4165-4168 ◽  
Author(s):  
M. O. Al-Dwairi ◽  
A. Y. Hendi ◽  
Z. A. AlQadi
Keyword(s):  
Image Encryption ◽  
Color Image ◽  
Color Images ◽  
The Internet ◽  
Security Level ◽  
Color Image Encryption ◽  
Encryption And Decryption ◽  
Encryption Decryption ◽  
Low Efficiency ◽  
Digital Color Images

Digital color images are considered as the most widely used data. They are exchanged frequently on the internet and via email, so an efficient and highly secure method of color image encryption and decryption is needed. Different methods of encryption-decryption are used, but most of them suffer from low efficiency or low-security level or both. In this paper, an efficient and highly secure method of encryption-decryption will be proposed, tested, and implemented. The efficiency parameters will be calculated and compared with other methods’ parameters to prove the efficiency of the proposed method.

scholarly journals Hiding Data in Color Image Using Least Significant Bits of Blue Sector

2018 ◽  
Vol 31 (2) ◽  
pp. 193 ◽  
Author(s):  
Hussein L. Hussein
Keyword(s):  
Color Image ◽  
Cover Image ◽  
Secret Message ◽  
Mapping Technique ◽  
Least Significant Bit ◽  
Blue Sector ◽  
Powerful Technique ◽  
Secret Communication ◽  
Least Significant Bits

Concealing the existence of secret hidden message inside a cover object is known as steganography, which is a powerful technique. We can provide a secret communication between sender and receiver using Steganography. In this paper, the main goal is for hiding secret message into the pixels using Least Significant Bit (LSB) of blue sector of the cover image. Therefore, the objective is by mapping technique presenting a model for hiding text in an image. In the model for proposing the secret message, convert text to binary also the covering (image) is divided into its three original colors, Red, Green and Blue (RGB) , use the Blue sector convert it to binary,  hide two bits from the message in  two bits of the least significant bits of blue sector of the image.

Multimedia Information Security and Privacy

2011 ◽  
pp. 214-251
Author(s):  
Ming Yang ◽  
Monica Trifas ◽  
Guillermo Francia ◽  
Lei Chen ◽  
Yongliang Hu
Keyword(s):  
Information Security ◽  
Digital Image ◽  
Information Hiding ◽  
Data Encryption ◽  
Video Data ◽  
Security And Privacy ◽  
Secret Message ◽  
Security Level ◽  
Video Encryption ◽  
High Level

Information security has traditionally been ensured with data encryption techniques. Different generic data encryption standards, such as DES, RSA, AES, have been developed. These encryption standards provide high level of security to the encrypted data. However, they are not very efficient in the encryption of multimedia contents due to the large volume of digital image/video data. In order to address this issue, different image/video encryption methodologies have been developed. These methodologies encrypt only the key parameters of image/video data instead of encrypting it as a bitstream. Joint compression-encryption is a very promising direction for image/video encryption. Nowadays, researchers start to utilize information hiding techniques to enhance the security level of data encryption methodologies. Information hiding conceals not only the content of the secret message, but also its very existence. In terms of the amount of data to be embedded, information hiding methodologies can be classified into low bitrate and high bitrate algorithms. In terms of the domain for embedding, they can be classified into spatial domain and transform domain algorithms. In this chapter, the authors have reviewed various data encryption standards, image/video encryption algorithms, and joint compression-encryption methodologies. Besides, the authors have also presented different categories of information hiding methodologies as well as data embedding strategies for digital image/video contents.

scholarly journals A Novel Technique for Data Steganography

2019 ◽  
Vol 9 (6) ◽  
pp. 4942-4945
Author(s):  
A. Y. Hindi ◽  
M. O. Dwairi ◽  
Z. A. AlQadi
Keyword(s):  
Color Image ◽  
Secret Message ◽  
Security Level ◽  
Novel Technique ◽  
High Security ◽  
High Security Level

In this paper, a novel stego-method will be introduced, which can be used to hide any secret message in any holding color image. The proposed method will be implemented and tested and the calculated parameters will be compared with the LSB method parameters. It will be shown that the proposed method provides a high-security level by using two keys to extract the secret message from the holding image, making it very difficult to hack.

A New Image Steganographic Approach for Secure Communication Based on LSB Replacement Method

2015 ◽  
Vol 44 (3) ◽  
pp. 315-328 ◽  
Author(s):  
Khalid Darabkh ◽  
Iyad F. Jafar ◽  
Raed T. Al-Zubi ◽  
Mohammed Hawa
Keyword(s):  
Digital Media ◽  
Secure Communication ◽  
Color Image ◽  
Signal To Noise Ratio ◽  
Geometric Shape ◽  
Secret Message ◽  
Least Significant Bit ◽  
Secret Data ◽  
Replacement Method ◽  
Lsb Replacement

With the development of internet technologies and communication services, message transmissions over the internet still have to face all kinds of security problems. Hence, how to protect secret messages during transmission becomes a challenging issue for most of current researchers. It is worth mentioning that many applications in computer science and other related fields rely on steganography and watermarking techniques to ensure information safety during communication. Unlike cryptography that focuses on scrambling the secret message so that it cannot be understood, the main objective of steganography and watermarking is to communicate securely in such a way that the hidden data are not visible to the observer. In other words, it seeks for the imperceptibility of stego-images quality to an unintended party through embedding efficiently the secret message in a digital media such as image, video, or audio. In this paper, we propose a new steganographic method to embed the secret data inside a cover image based on least-significant-bit (LSB) replacement method. The embedding process predominantly concentrates on distributing the secret message inside one share of a color image to appear like a 3D geometric shape that is constructed according to well-analyzed geometric equations. The dimensions of the geometric shape are determined pursuant to the size of secret message. Data distribution process makes our method to be of a great interest as of being so difficult for the hackers or intruders to reconstruct the shape from stego-images, thereby the security is improved. Furthermore, we compare the performance of our approach with two other relevant approaches in terms of peak signal-to-noise ratio (PSNR) and payload. The contribution of our approach was immensely impressive.DOI: http://dx.doi.org/10.5755/j01.itc.44.3.8949

scholarly journals Optimal key based homomorphic encryption for color image security aid of ant lion optimization algorithm

2018 ◽  
Vol 7 (1.9) ◽  
pp. 22 ◽  
Author(s):  
Shankar K ◽  
Lakshmanaprabu S.K
Keyword(s):  
Digital Image ◽  
Color Image ◽  
Homomorphic Encryption ◽  
Fitness Function ◽  
Histogram Equalization ◽  
Security Level ◽  
Image Security ◽  
Ant Lion Optimization ◽  
Ant Lion ◽  
Lion Optimization Algorithm

The security of digital images is a basic and difficult task on the shared communication channel. Different strategies are utilized to secure the digital image, for example, encryption, steganography and watermarking. These are the techniques for the security of digital image to accomplish security objectives, i.e. secrecy, trustworthiness, and accessibility. In the proposed study, Homomorphic Encryption (HE) with optimal key selection for image security is utilized. Here the histogram equalization is introduced for altering image intensities to improve contrast. The histogram of an image generally speaks to the comparative frequency of occurrence of the different gray levels in the image. To increase the security level inspired Ant Lion Optimization (ALO) is considered, where the fitness function as max entropy the best-encrypted image is characterized as the image with most astounding entropy among adjacent pixels. Analyzing the outcomes from the performed experimental outcomes can accomplish abnormal state and great strength of proposed model compared with other encryption strategies.

scholarly journals DATA STEGANOGRAPHY USING EMBEDDED PRIVATE KEY

2020 ◽  
Vol 7 (9) ◽  
pp. 31-38
Author(s):  
Ziad Alqadi ◽  
Mohammad S. Khrisat
Keyword(s):  
Color Image ◽  
Security Issues ◽  
Private Key ◽  
Message Length

LSB2 method of data steganography is one of the most popular methods used to hide secret messages in digital color image. This method keeps the quality of the holding image high but it is not secure and it can be easily hacked. In this paper a method of improving the security of LSB2 method will be proposed, tested and implemented. The added security issues are simple and do require extra memory and time for execution.  An embedded key will be extracted from the holding image to encrypt the message, this key will be variable and depends on the selected covering image, selected message length and selected position in the image where to extract the embedded key; the selected position and message length will form a private key to enhance LSB2 security.

scholarly journals Tamper Detection in Color Image

2008 ◽  
Vol 5 (1) ◽  
pp. 155-159
Author(s):  
Baghdad Science Journal
Keyword(s):  
Color Image ◽  
Spatial Domain ◽  
Tamper Detection ◽  
Color Images ◽  
Fragile Watermarking ◽  
Original Image ◽  
Digital Color Images ◽  
Watermarking Scheme

In this work a fragile watermarking scheme is presented. This scheme is applied to digital color images in spatial domain. The image is divided into blocks, and each block has its authentication mark embedded in it, we would be able to insure which parts of the image are authentic and which parts have been modified. This authentication carries out without need to exist the original image. The results show the quality of the watermarked image is remaining very good and the watermark survived some type of unintended modification such as familiar compression software like WINRAR and ZIP

Quantum red–green–blue image steganography

2017 ◽  
Vol 15 (05) ◽  
pp. 1750039 ◽  
Author(s):  
Shahrokh Heidari ◽  
Mohammad Rasoul Pourarian ◽  
Reza Gheibi ◽  
Mosayeb Naseri ◽  
Monireh Houshmand
Keyword(s):  
Quantum Information ◽  
Quantum Information Processing ◽  
Color Image ◽  
Color Images ◽  
Digital Data ◽  
Least Significant Bit ◽  
Quantum Steganography ◽  
Secret Data ◽  
Efficient Tool ◽  
Second Procedure

One of the most considering matters in the field of quantum information processing is quantum data hiding including quantum steganography and quantum watermarking. This field is an efficient tool for protecting any kind of digital data. In this paper, three quantum color images steganography algorithms are investigated based on Least Significant Bit (LSB). The first algorithm employs only one of the image’s channels to cover secret data. The second procedure is based on LSB XORing technique, and the last algorithm utilizes two channels to cover the color image for hiding secret quantum data. The performances of the proposed schemes are analyzed by using software simulations in MATLAB environment. The analysis of PSNR, BER and Histogram graphs indicate that the presented schemes exhibit acceptable performances and also theoretical analysis demonstrates that the networks complexity of the approaches scales squarely.

Utilizing Image Color Channels for High Payload Embedding

2016 ◽  
pp. 116-126
Author(s):  
Ankit Chaudhary ◽  
Sandeep Kumar
Keyword(s):  
Storage Capacity ◽  
Text Message ◽  
Histogram Analysis ◽  
Secret Message ◽  
Security Level ◽  
Analysis Method ◽  
Least Significant Bit ◽  
Color Channel ◽  
Hidden Data ◽  
High Payload

Steganography is the technique which has been used in many fields for hiding information and many different versions for each application are available in the literature. This chapter demonstrates how to increase the security level and to improve the storage capacity of hidden data, with compression techniques. The security level is increased by randomly distributing the text message over the entire image instead of clustering within specific image portions. The degradation of the images can be minimized by changing only one least significant bit per color channel for hiding the message. Using steganography alone with simple LSB has a potential problem that the secret message is easily detectable from the histogram analysis method. To improve the security as well as the image embedding capacity indirectly, a compression based scheme is introduced. Various tests have been done to check the storage capacity and message distribution.

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