scholarly journals Compensation of degradation, security, and capacity of LSB substitution methods by a new proposed hybrid n-LSB approach

2021 ◽  
pp. 48-48
Author(s):  
Kemal Tütüncü ◽  
Özcan Çataltaş
Keyword(s):  
Logistic Map ◽  
Hybrid Approach ◽  
Data Encryption ◽  
Secret Message ◽  
Least Significant Bit ◽  
Substitution Method ◽  
Data Encryption Standard ◽  
Hybrid Approaches ◽  
Encryption Algorithms ◽  
Lsb Substitution

This study proposes a new hybrid n-LSB (Least Significant Bit) substitution-based image steganography method in the spatial plane. The previously proposed n-LSB substitution method by authors of this paper is combined with the Rivest-Shamir-Adleman (RSA), RC5, and Data Encryption Standard (DES) encryption algorithms to improve the security of the steganography, which is one of the requirements of steganography, and the Lempel-Ziv-Welch (LZW), Arithmetic and Deflate lossless compression algorithms to increase the secret message capacity. Also, embedding was done randomly using a logistic map-based chaos generator to increase the security more. The classical n-LSB substitution method and the proposed hybrid approaches based on the previously proposed n-LSB were implemented using different secret messages and cover images. When the results were examined, it has been seen that the proposed hybrid n-LSB approach showed improvement in all three criteria of steganography. The proposed hybrid approach that consists of previously proposed n-LSB, RSA, Deflate, and the logistic map had the best results regarding capacity, security, and imperceptibility.

scholarly journals Cloud based Secure Storage of Files using Hybrid Cryptography and Image Steganography

2020 ◽  
Vol 8 (6) ◽  
pp. 665-667
Keyword(s):  
Data Encryption ◽  
Image Steganography ◽  
Advanced Encryption Standard ◽  
Sensitive Information ◽  
Least Significant Bit ◽  
Data Encryption Standard ◽  
Secure Storage ◽  
Symmetric Key ◽  
Encryption Algorithms ◽  
High Level

Cloud Computing has made it possible to provide individuals as well as organizations with a utility that is costeffective. It empowers businesses by delivering these services using the internet. Files can be shared through the cloud. These files may contain sensitive information that needs to be kept hidden from anonymous users. This is done using cryptographic algorithms. High level of security can be provided using hybrid cryptography to encrypt the data. Advanced Encryption Standard (AES) and Triple Data Encryption Standard (3DES) are the symmetric key encryption algorithms used to secure. An asymmetric key encryption algorithm, Rivest-Shamir-Adleman (RSA) helps in providing a hybrid cryptography model. The security of the key generated can be further enhanced using image steganography method Least Significant Bit (LSB). These issues regarding the security and its challenges will be addressed in this paper and also analyse the measures to handle it.

scholarly journals Comparison of AES and DES Algorithms Implemented on Virtex-6 FPGA and Microblaze Soft Core Processor

2018 ◽  
Vol 8 (5) ◽  
pp. 3544
Author(s):  
G. Renuka ◽  
V. Usha Shree ◽  
P. Chandra Sekhar Reddy
Keyword(s):  
Dominant Role ◽  
Data Encryption ◽  
Soft Core ◽  
Advanced Encryption Standard ◽  
Description Language ◽  
Important Data ◽  
Data Encryption Standard ◽  
Software Implementations ◽  
Hardware Description ◽  
Encryption Algorithms

Encryption algorithms play a dominant role in preventing unauthorized access to important data. This paper focus on the implementations of Data Encryption Standard (DES) and Advanced Encryption Standard (AES) algorithms on Microblaze soft core Processor and also their implementations on XC6VLX240t FPGA using Verilog Hardware Description language. This paper also gives a comparison of the issues related to the hardware and software implementations of the two cryptographic algorithms.

Massive Data Hybrid Encryption Algorithm Based on Cloud Computing

2014 ◽  
Vol 651-653 ◽  
pp. 1864-1867
Author(s):  
Er Song Yang ◽  
Lin You ◽  
Zhen Dong Wu ◽  
Wang Ke Yu
Keyword(s):  
Cloud Computing ◽  
Hybrid Algorithm ◽  
Large Scale ◽  
Logistic Map ◽  
Structural Complexity ◽  
Data Encryption ◽  
Massive Data ◽  
One Dimensional ◽  
Hybrid Encryption ◽  
Encryption Algorithms

In order to ensure the security of massive data and user’s privacy in cloud computing, encrypting is a preferred method to protect their security. Due to some characteristics of massive data,such as large scale and structural complexity, it makes that the traditional encryption algorithms cannot be directly used to protect the security of massive data in cloud computing. Considering the real-time and reliability of encryption algorithms, we propose a hybrid algorithm, which combines DES algorithm and one-dimensional logistic map by using the parallel computing architecture of the MapReduce. Our experimental results and analysis show that our algorithm could effectively implement massive data encryption with high security.

scholarly journals SURVEY: EFFICIENT HYBRID ALGOR ITHMS OF CRYPTOGRAPHY

2020 ◽  
Vol 2 (4) ◽  
pp. 1-16
Author(s):  
Mays M. HOOBI
Keyword(s):  
Data Exchange ◽  
Search Space ◽  
Research Unit ◽  
Data Encryption ◽  
Digital Data ◽  
Secret Data ◽  
Data Encryption Standard ◽  
Hybrid Approaches ◽  
Private And Public ◽  
Secure Transmission

Day after day, the digital data sizes undergo rapid increases over Internet, it is significant; the data shouldn’t be accessed by the unauthorized users. The attackers attempt at accessing those sensitive part of the data. There is a necessity for the prevention of the unauthorized access of the data and guarantee the secure data exchange. A variety of the cryptographic approaches have been used for the conversion of the secret data of the users into secure ciphertext formats. The cryptographic methods have been based on, private and public keys. The researchers have worked on the efficient and secure transmission of data and presented a variety of the cryptographic approaches. For the efficient and secure transmission of the data over networks, there is a necessity of using hybrid approaches of encryption. In this article, various encryption methods are reviewed such as Rijndael, Number Theory Research Unit, Data Encryption Standard, 3 Data Encryption Standard, Elliptic Curve Cryptography, Rivest–Shamir–Adleman, Optimal Asymmetric Encryption Padding, Diffie-Hellman, HiSea, Improved Caesar, Digital Signature, and Advance Encryption Standard. Keywords: Brute Force Attack, Cryptography, Digital Data, Hybrid Encryption, Search Space.

scholarly journals Sistem Keamanan Data Text Dengan Data Encryption Standard (DES) Dan Metode Least Significant Bit (LSB)

2018 ◽  
Vol 1 (2) ◽  
pp. 11-20
Author(s):  
Indra Pratistha ◽  
Paholo Iman Prakoso
Keyword(s):  
Data Security ◽  
Digital Images ◽  
Computer Systems ◽  
Data Encryption ◽  
The Internet ◽  
Least Significant Bit ◽  
Data Encryption Standard ◽  
The Road ◽  
Current Information ◽  
Require Data

Current information can be delivered quickly without knowing the geographical boundaries using the internet. However, the information transmitted can be intercepted by the middle of the road which is not desired, then the security of the data actually becomes a very important issue. The development of computer systems and networks and the interconnection through the Internet has increased, of course, require data security and reliable message in order to avoid the attack. To secure internet data or message network necessary cryptographic encryption methods, one method of data encryption that there is a method of data encryption standard (DES) and subsequently inserted into the Lakeside digital images (steganography) using the method of least significant bit (LSB).

scholarly journals Secured Data Transmission Using Wavelet Based Steganography And Cryptography

2013 ◽  
Vol 6 (2) ◽  
pp. 311-316 ◽  
Author(s):  
Mittapalli Indrasena Reddy ◽  
V. Uday Kumar ◽  
K. Subba Reddy ◽  
P. Venkat Vijay Kumar
Keyword(s):  
Wavelet Transform ◽  
Digital Watermarking ◽  
Digital Image ◽  
Data Transmission ◽  
Data Encryption ◽  
Least Significant Bit ◽  
Data Encryption Standard ◽  
Plain Text ◽  
Using Data ◽  
Secured Data

Steganography and cryptographic methods are used together with wavelets to increase the security of the data while transmitting through networks. Another technology, the digital watermarking is the process of embedding information into a digital (image) signal. Before embedding the plain text into the image, the plain text is encrypted by using Data Encryption Standard (DES) algorithm. The encrypted text is embedded into the LL subband of the wavelet decomposed image using Least Significant Bit (LSB) method. Then the inverse wavelet transform is applied and the resultant image is transmitted to the receiver. The receiver will perform the same operations in reverse order.

scholarly journals Data Hiding and Retrieval Method Using LSB Substitution Algorithm

2021 ◽  
pp. 267-279
Author(s):  
Asoke Nath ◽  
Soham Mondal ◽  
Raj Deb ◽  
Akash Das
Keyword(s):  
Public Communication ◽  
Secret Message ◽  
The Internet ◽  
Stego Image ◽  
Substitution Method ◽  
Retrieval Method ◽  
Secret Information ◽  
Other Information ◽  
Weak Points ◽  
Lsb Substitution

Steganography is the art of hiding the fact that communication is taking place, by hiding information in other information. Many different carrier ?le formats can be used, but digital images are the most popular because of their frequency on the Internet. For hiding secret information in images, there exists a large variety of steganography techniques some are more complex than others and all of them have respective strong and weak points. Different applications have different requirements of the steganography technique used. For example, some applications may require absolute invisibility of the secret information, while others require a larger secret message to be hidden. This project hides the message within the image. This project uses LSB Substitution method to hide the secret message inside the image. Sender select the cover image with the secret message ?le (which can be of any format) and hide it into the image, it help to generate the secure stego image. The stego image is sent to the destination with the help of private or public communication network. On the other side the receiver downloads the stego image and using the software retrieve the secret text hidden in the stego image.

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