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the process of disguising information as ciphertext, or data unintelligible to an unauthorized person. Conversely, decryption, or , is the process of converting cipher text back into its original format. The Data Encryption Standard is a symmetric-key algorithm for the encryption of electronic data.

Comparison of data encryption algorithms
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This paper tries to present a fair comparison between the most common and used algorithms in the data encryption field. The two main characteristics that identify and differentiate one encryption algorithm from another are its ability to secure the protected data

Evaluation of the RC4 algorithm for data encryption .
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Abstract Analysis of the effect of different parameters of the RC4 encryption algorithm where examined. Some experimental work was performed to illustrate the performance of this algorithm based on changing some of these parameters. The execution time as a function of

SP 800-67 Rev. 2, Recommendation for Triple Data Encryption Algorithm (TDEA) Block Cipher
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Abstract This publication specifies the Triple Data Encryption Algorithm (TDEA), including its primary component cryptographic engine, the Data Encryption Algorithm (DEA). TDEA is intended to be used with a Special Publication (SP) 800-38-series-compliant mode of

Standing the test of time: The data encryption standard
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Fast and hard, that is all that cryptographers have ever wanted: a system that encrypts quickly but is essentially impossible to break. With their reliance on elementary number theory, public-key systems have captured mathematicians imagination. Public-key

A new data encryption algorithm based on the location of mobile users
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Abstract: The wide spread of WLAN and the popularity of mobile devices increases the frequency of data transmission among mobile users. However, most of the data encryption technology is location-independent. An encrypted data can be decrypted anywhere. The

An application of a fast data encryption standard implementation
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ABSTRACT: The Data Encryption Standard is used as the basis for the UNIX password encryption scheme. Some of the security of that scheme depends on the speed of the implementation. This paper presents a mathematical formulation of a fast implementation of

A RESEARCH PAPER: An ASCII value based data encryption algorithm and its comparison with other symmetric data encryption algorithms
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Abstract Encryption is the process of transforming plaintext into the ciphertext where plaintext is the input to the encryption process and ciphertext is the output of the encryption process. Decryption is the process of transforming ciphertext into the plaintext where There has been a growing concern in recent years about privacy and secrecy of data. both within the Federal Government and outside it. The Federal Government collects and stores an enormous amount of data on private citizens, and both the public and the government are

Comparative study of 1-D chaotic generators for digital data encryption .
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Abstract The security of transmitted digital information through a channel, against passive or active attacks, becomes more and more important. The use of a 1-D chaotic signal to mask useful information and to make it unrecognizable by an eavesdropper is a field of

Ciphertext/plaintext and ciphertext/key dependence vs number of rounds for the data encryption standard
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One property of the Data Encryption Standard (DES) is that each bit of ciphertext is a complicated function of all plaintext bits and all key bits. A method is developed which evaluates how fast this dependence (defined as intersymbol dependence) builds up as a

DNA-based data encryption and hiding using playfair and insertion techniques
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Abstract In this paper, we propose a novel algorithm to communicate data securely. The proposed technique is a composition of both encryption and data hiding using some properties of Deoxyribonucleic Acid (DNA) sequences. Hence, the proposed scheme

Brute force: cracking the data encryption standard
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In the past fifty years, society has undergone a radical shift in the storage and processing of information, away from the physical and toward electronic representation. Important information is no longer written on a sheet of paper and stored in a locked file cabinet or

Symmetric encryption algorithm to secure outsourced data in public cloud storage
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Data encryption and de- cryption algorithms using key rotations for data security in cloud system. International Conference on Signal Propaga- tion and Computer Technology (ICPST);

An ASCII value based text data encryption System
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Abstract-Encryption is a process of generating secrect text from the input text using a secret key and a encryption algorithm. Input text is refered to as plain text and the secret text generated is known as cipher text. Encryption algorithms are mainly divided into two

Genetic algorithm attack on simplified data encryption standard algorithm
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Abstract. With the exponential growth of networked electronic systems, the demand of efficient and fool proof internet security is increasing. Security has emerged as a critical concern in wide range of electronic system. Cryptology is at the heart proving these

Performance comparison of symmetric data encryption techniques
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Abstract-In present scenario various data encryption algorithms are available for data security which has always been important in all aspects of life. Data may contain confidential form of information that one want to secure from any third party access. As we are having

An intelligent text data encryption and compression for high speed and secure data transmission over internet
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ABSTRACT Compression algorithms reduce the redundancy in data representation to decrease the storage required for that data. Data compression offers an attractive approach to reducing communication costs by using available bandwidth effectively. Over the last

Data Encryption Standard: Fifteen Years of Public Scrutiny
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In 1973, the National Bureau of Standards (NBS), now known as the National Institute of Standards and Technology (NIST), solicited proposals for a standard data encryption algorithm for use by Federal agencies for cryptographic protection of sensitive unclassified

Superior security data encryption algorithm (ntru)
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Abstract: This Papers main contribution is confidentiality, integrity and authentication in SMS (Short Message Services). The transmission of an SMS in GSMnetwork is not secure, therefore it is desirable toSecure SMS by additional encryption. In the following text, thereare

Integrating AES, DES, and 3-DES encryption algorithms for enhanced data security
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Many schemes used for en- cryption constitute the area of study known as cryptography as shown in Fig. 1. 2 EXISTING ENCRYPTION ALGORITHMS 2.1 Data Encryption Standard (DES) DES is one of the most widely accepted, publicly available cryptographic systems

Data Encryption using DES/Triple-DES Functionality in Spartan-II FPGAs
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Summary Todays connected society requires secure data encryption devices to preserve data privacy and authentication in critical applications. Of the several data encryption types, Data Encryption Standard (DES) and its variant Triple-DES (TDES) have emerged to be the

Simultaneous data compression and encryption
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It involves transforming data of a given format, called source message to data of a smaller sized format called codeword. Data encryption is known for protecting formation from eavesdropping Data encryption is known for protecting information from eavesdropping

Survey of Various Encryption Techniques for Audio Data
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The techniques which encrypt text data can also applied to audio data but have not achieved satisfactory results. Various encryption techniques are implemented for audio data Encryption of an audio data is difficult and complex process than the techniques used for text data

An Ordeal Random Data Encryption Scheme (ORDES)
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Abstract: In this paper, authors presented a new Data encryption scheme named as Ordeal Random Data Encryption Scheme (ORDES). The theoretical security measures are also discussed and ORDES advocates its competency. Through this paper, we encourage the

Data Encryption Standard (DES)
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Abstract The selective application of technological and related procedural safeguards is an important responsibility of every Federal organization in providing adequate security to its electronic data systems. This publication specifies two cryptographic algorithms, the Data

Applying neural networks for simplified data encryption standard (SDES) cipher system cryptanalysis.
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Abstract: The problem in cryptanalysis can be described as an unknown and the neural networks are ideal tools for black-box system identification. In this paper, a mathematical black-box model is developed and system identification techniques are combined with

Theory and implementation of data encryption standard: A review
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Abstract: Over the last decade the world has seen an astounding growth of information technology that has resulted in significant advances in cryptography to protect the integrity and confidentiality of data. The most affected is the financial sector and the e-commerce over

Multi-layer data encryption using residue number system in dna sequence
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ABSTRACT In this paper, we will merge between the usages of DNA sequences and Residue number system in encryption systems. The message which is coded will be secretly impeded inside the DNA sequence. This merge will be leaded to perform multilayer

Data encryption by image steganography
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Abstract In modern era data is heavily gaining importance as information is dependent on the raw facts ie data. The exchange of information is required to share resources among the distributed users which may be separated by locations. While transferring the data among

Secure user data in cloud computing using encryption algorithms
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on cloud. DES, AES, Blowfish are symmetric key algorithms, in which a single key is used for both encryption/decryption of messages whereas DES ( Data Encryption Standard) was developed in early 1970s by IBM. Blowfish

Scan Based Side Channel Attack on Data Encryption Standard.
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Abstract Scan based test is a double edged sword. On one hand, it is a powerful test technique. On the other hand, it is an equally powerful attack tool. In this paper we show that scan chains can be used as a side channel to recover secret keys from a hardware

A proposed modified data encryption standard algorithm by using fusing data technique
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Abstract Data Encryption Standard (DES) is a block cipher that encrypts data in 64-bit blocks. A 64-bit block of plaintext goes in one end of the algorithm and a 64-bit block of cipher text comes out of the other end. Blowfish is a block cipher that encrypts data in 8-byte

Sane: Secure Encryption Technique for Alphnumeric Data Over Web Based Applications
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The decryption apply the key in reverse order on the cipher text, to get back the plain text. This work deals with the problem of efficient multimedia data encryption .In A block cipher technique for security of data and computer networks is proposed

Evaluating the performance of Symmetric Key Algorithms: AES (Advanced Encryption Standard) and DES ( Data Encryption Standard)
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Abstract Encryption algorithms are known to be computational intensive. Internet and networks applications growing very fast, so the needs to protect. Encryption plays the very important role in information security system. On the other side, the symmetric key algorithms

New Data Encryption Algorithm and its Implementation for Online User Authentication.
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Abstract-Most of the encryption algorithms used today generate huge cipher messages as well as long encryption keys. These approaches require time and are computationally intensive. In this paper we introduce two operators, represented as mathematical models

Gmdes: a graph based modified data encryption standard algorithm with enhanced seurity
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Abstract Cryptography is one of the prime techniques of secured symbolic data transmission over any communication channel. Security is the most challenging and essential aspects in todays internet and network applications. Thus, design of a secure encryption algorithm is

Comparative Analysis of Encryption Algorithms for Various Types of Data Files for Data Security
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sensitive data. The purpose to use encryption is privacy (preventing disclosure or confidentiality) while transfer of data . Encryption algorithms play an important role in providing security of data against malicious attacks. In mobile

Security Analysis of Multimedia Data Encryption Technique Using Piecewise Linear Chaotic Maps
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Abstract In the current age of globalization file sharing has become an important part of every business process. Also in recent years, transfer of image or multimedia content across the world has become increasingly popular. To provide security, to large amount of

A High Throughput Algorithm for Data Encryption
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ABSTRACT RC4 encryption algorithm [3, 12, 16] was examined based on the text to be encrypted and the chosen key. It is a symmetric key algorithm and uses stream cipher ie data is being encrypted bit by bit. The same algorithm is used for both encryption and

Why the fear over ubiquitous data encryption is overblown
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M McConnell, M Chertoff, W Lynn The Washington Post, 2015 eastwest.ngo More than three years ago, as former national security officials, we penned an op-ed to raise awareness among the public, the business community and Congress of the serious threat to the nations well-being posed by the massive theft of intellectual property, technology and

Analysis of network data Encryption Decryption techniques in communication systems
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ABSTRACT: This paper presents analysis of network data encryption and decryption techniques used in communication systems. In network communication systems, exchange of information mostly occurs on networked computers, mobile phones and other internet

Data Encryption using Bio-Molecular Information
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Cryptography is a field, which makes the transmitted message unreadable to unauthorised users. In this work we take inspiration from DNA encryption schemes and use of biological alphabets to manipulate information by employing the DNA sequence reaction, to

A survey on data encryption techniques in cloud computing
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Abstract: Cloud computing comes into focus only when you think about what IT always needs: a way to increase capacity or add capabilities on the fly without investing in new infrastructure, training new personnel or licensing new software. Cloud computing

Approaches to solve big data security issues and comparative study of cryptographic algorithms for data encryption
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Abstract In this paper main big-data security issues are discussed. The challenges of security in big data environment can be categorized into authentication level, data level, network level, and generic issues. We also discussed approaches like data encryption

FPGA Implementation of the pipelined data encryption standard (DES) based on variable time data permutation
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Abstract-This paper describes a high-performance reconfigurable hardware implementation of the new Data Encryption Standard (DES) based on variable time data permutation. The permutation choice is variable with time. For the same data and key, the ciphered data is

Achieve Fine Grained Data Access Control in Cloud Computing using KP-ABE along-with Lazy and Proxy Re-encryption
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In file creation, the data owner firstly select a unique Id for the file and symmetric data encryption key (DEK) generated by IDEA algorithm encrypt it and define set of attributes for the data file and encrypt DEK with attributes using KP-ABE

Cryptanalysis of simplified data encryption standard using genetic algorithm
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Abstract: Cryptanalysis of cipher text using evolutionary algorithm has gained much interest in the last decade. In this paper, cryptanalysis of SDES has been performed using Genetic Algorithm with Ring Crossover operator. Cryptography has been prone to many attacks but

Enhanced double layer security using RSA over DNA based data encryption system
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Abstract In this paper we propose an enhanced algorithm to communicate data securely for communication and information security. The DNA cryptography is a new and promising area in cryptography. Here we propose techniques that use the objectives of cryptographic

Geo-encryption: using GPS to enhance data security
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Numerous, very fast sym- metric algorithms are in widespread use, including the Data Encryption Standard (DES) and Triple-DES and the newly released Advanced Encryption Standard (AES). Keeping the key private is essen- tial to maintaining security

Comparison of Various Encryption Algorithms and Techniques for improving secured data Communication
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At the time the previous keys are discarded, this will make the system more secure. There are many algorithms available in the market for encrypting the data . Encryption is the process in which plaintext has been converted into the encoded format cipher text with the help of key

A Comparison of Memetic Tabu Search for the Cryptanalysis of Simplified Data Encryption Standard Algorithm
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ABSTRACT Memetic algorithm (MA) is a population based heuristic search approach for optimization problems similar to genetic algorithm. GAs, however, rely on the concept of biological evolution, but MAs, in contrast, and mimic cultural evolution. The cryptanalysis of

High-Throughput and Area-Efficient FPGA Implementations of Data Encryption Standard (DES)
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Abstract One of the most popular standards for protecting confidential information is the Data Encryption Standard (DES). Although it has been replaced by the Advanced Encryption Standard (AES), it is still widely used in Automatic Teller Machines (ATMs), smartcards, and

Design and implementation of collaborative ciphertext-policy attribute-role based encryption for data access control in cloud
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This incurs expensive overheads. Finally, access policy is required for data encryption and it is restricted to be performed by data owners only Thus, the policy used for data encryption should be selectively shared to users having write privilege

A novel approach for data security enhancement using multi level encryption scheme
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They are 1. Advanced Encryption System Algorithm, 2. Data Encryption Standard 3. William E. Burr, Data Encryption Standard, in NISTs anthology,A Century of Excellence in Measurements, Standards, and Technology: A Chronicle of Selected NBS/NIST Publications,2000

Performance analysis of data encryption standard algorithm proposed data encryption standard algorithm
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Abstract:-The principal goal guiding the design of any encryption algorithm must be security against unauthorized attacks. Within the last decade, there has been a vast increase in the accumulation and communication of digital computer data in both the private and public

An enhancement in international data encryption algorithm for increasing security
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ABSTRACT There are many security algorithms that are used for security purpose. IDEA is one of them. The block cipher IDEA operates with 64-bit plaintext and cipher text blocks and is controlled by a 128-bit key. The fundamental innovation in the design of this algorithm is

Data encryption using an algorithms implemented in RSA algorithm
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Abstract-What is AN Algorithm AN Algorithm is a genuine result of our work and efforts, which we have verified theoretically and practically. AN Algorithm generates prime numbers whose last digit is 1. AN Algorithm is a polynomial expression having this structure: V {Y

Data Encryption and Decryption Using ANZL Algorithm.
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Abstract: What is the ANZL Algorithm It is a genuine result of our work which is theoretically and practically proved. By using the ANZL Algorithm, we can test whether a given number x belongs to Lucass series. It can also be used to find a sequence of Lucass numbers,

Black hole Attacks Prevention in Wireless Sensor Network by Multiple Base Station Using of Efficient Data Encryption Algorithms
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Abstract Wireless Sensor Network consists of nodes which communicate with each other with wireless channel. A general conception of wireless sensor network (WSN) nodes is static and it remains fixed in their position. It has been deployed in dominant manner for a

Performance analysis on the implementation of data encryption algorithms used in network security
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Abstract -Over the last few years, e-commerce has become very popular; it is growing rapidly, improving business efficiency and reducing business process costs. Nowadays, e- commerce is a main channel for sales and services. Furthermore, various types of e-
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