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 Features of genetic algorithm for plain text encryption

2021 ◽  
Vol 11 (1) ◽  
pp. 434
Author(s):  
Riyadh Bassil Abduljabbar ◽  
Oday Kamil Hamid ◽  
Nazar Jabbar Alhyani
Keyword(s):  
Genetic Algorithm ◽  
Data Transmission ◽  
High Speed ◽  
Data Communication ◽  
Data Encryption ◽  
Genetic Operators ◽  
Plain Text ◽  
Secured Data ◽  
And Storage ◽  
Crossover And Mutation

The data communication has been growing in present day. Therefore, the data encryption became very essential in secured data transmission and storage and protecting data contents from intruder and unauthorized persons. In this paper, a fast technique for text encryption depending on genetic algorithm is presented. The encryption approach is achieved by the genetic operators Crossover and mutation. The encryption proposal technique based on dividing the plain text characters into pairs, and applying the crossover operation between them, followed by the mutation operation to get the encrypted text. The experimental results show that the proposal provides an important improvement in encryption rate with comparatively high-speed Processing.

Application of Data Encryption Standard and Lempel-Ziv-Welch Algorithm for File Security

2018 ◽  
Vol 7 (3.2) ◽  
pp. 783
Author(s):  
Ida Bagus Ary Indra Iswara ◽  
I Ketut Sudarsana ◽  
Nurlaidy Joice Simamora ◽  
Vivi Novalia Sitinjak ◽  
Nurhayati Purba ◽  
...  
Keyword(s):  
Data Transmission ◽  
Data Encryption ◽  
Data Communications ◽  
Compression Algorithms ◽  
Data Encryption Standard ◽  
Transmission Process ◽  
Good Compression

The security and speed of data transmission is very important in data communications, the steps that can be done is to use the appropriate cryptographic and compression algorithms in this case is the Data Encryption Standard and Lempel-Ziv-Welch algorithms combined to get the data safe and also the results good compression so that the transmission process can run properly, safely and quickly  

scholarly journals Application of Data Encryption Standard and Lempel-Ziv-Welch Algorithm for File Security

2018 ◽  
Author(s):  
Andysah Putera Utama Siahaan ◽  
Robbi Rahim
Keyword(s):  
Data Transmission ◽  
Data Encryption ◽  
Data Communications ◽  
Compression Algorithms ◽  
Data Encryption Standard ◽  
Transmission Process ◽  
Good Compression

The security and speed of data transmission is very important in data communications, the steps that can be done is to use the appropriate cryptographic and compression algorithms in this case is the Data Encryption Standard and Lempel-Ziv-Welch algorithms combined to get the data safe and also the results good compression so that the transmission process can run properly, safely and quickly.

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 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).

Smart Home Privacy Protection Based on the Improved LSB Information Hiding

2021 ◽  
pp. 2160005
Author(s):  
Lina Yang ◽  
Haiyu Deng ◽  
Ren Ping Liu ◽  
Patrick Wang ◽  
Xiaocui Dang ◽  
...  
Keyword(s):  
Information Hiding ◽  
Privacy Protection ◽  
Smart Home ◽  
Data Encryption ◽  
The Internet ◽  
Least Significant Bit ◽  
Secret Data ◽  
Secret Information ◽  
Protection Method ◽  
Using Data

Smart home is an emerging form of the Internet of Things (IoT), enabling people to enjoy a convenient and intelligent life. The data generated by smart home devices are transmitted through the public channel, which is not secure enough, so the secret data in smart home are easily intercepted by malicious adversaries. In order to solve this problem, this paper proposes a smart home privacy protection method combining DES encryption and the improved Least Significant Bit (LSB) information hiding algorithm, changing the practice of directly exposing smart home secret information to the Internet, first, using Data Encryption Standard (DES) encryption to encrypt the smart home information and second, the improved LSB information hiding algorithm is used to hide the ciphertext, so that the adversary cannot detect the smart home secret information. The goal of the scheme is to provide a double protection for the secure transmission of the smart home secret information. If an attacker wants to carry out an attack, it has to break through at least two defense lines, which seems impossible to do. Experiment results show that the improved LSB algorithm is more robust than the existing algorithms, and it is very safe. Therefore, the scheme proposed in this paper is very practical for protecting the smart home secret information.

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