Search Results - (( using permutation based algorithm ) OR ( java application using algorithm ))
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JPEG Image Encryption Using Combined Reversed And Normal Direction-Distorted Dc Permutation With Key Scheduling Algorithm-Based Permutation
Published 2008“…The proposed approach uses a frequency domain combinational framework of coefficients scrambling with Key Scheduling Algorithm based (KSA-based) permutation. …”
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New algorithm for listing all permutations
Published 2010“…The most challenging task dealing with permutation is when the element is large. In this paper, a new algorithm for listing down all permutations for n elements is developed based on distinct starter sets. …”
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Starter Set Generation Based on Factorial Numbers for Half Wing of Butterfly Representation
Published 2021“…Previously starter sets are generated by using their permutation under exchange-based and cycling based. …”
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Improved Watermarking Algorithm Based on Discrete Wavelet Transform and Fibonacci Permutation
Published 2005“…This algorithm is based on the combination of Fibonacci permutation and discrete wavelet transforms (DWT). …”
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Comparison between starter sets generation method for listing all permutations
Published 2013“…Listing of all n! distinct permutations is an exhaustive process.Using starter set, the process of listing the permutations becomes easy.However a problem arises when the equivalence starter sets will generate the similar permutation and needed to be discarded.Two new recursive strategies are proposed to generate starter sets without generating equivalence starter sets namely circular and exchange two elements operation.Once the starter sets are obtained, the circular and reverse of circular operation are employed to produce distinct permutation from each starter sets.Computational advantages are presented comparing the results obtained by the new method with two other existing methods.The result indicates that the exchange two elements based strategy is faster than the circular based.Overall all new algorithms are better than existing algorithms in time execution.…”
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The division free parallel algorithm for finding determinant
Published 2013“…A cross multiplication method for determinant was generalized for any size of square matrices using a new permutation strategy.The permutation is generated based on starter sets.However, via permutation, the time execution of sequential algorithm became longer.Thus, in order to reduce the computation time, a parallel strategy was developed which is suited for master and slave paradigm of the high performance computer.A parallel algorithm is integrated with message passing interface.The numerical results showed that the parallel methods computed the determinants faster than the sequential counterparts particularly when the tasks were equally allocated.…”
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Dynamic S-boxes and spiral permutation function on Fibonacci sequence for secure block cipher / Kamsiah Mohamed
Published 2022“…In this thesis, the Spiral Fibonacci is proposed for a permutation function to diffuse bit permutation in improving cryptography algorithm efficiency. …”
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A cylindrical coordinate system with dynamic permutation table for blowfish algorithm
Published 2014“…The Blowfish Algorithm (BA) is a symmetric block cipher that iterates simple encryption and decryption functions by using Feistel networks.BA keys vary from 32-448 bits to ensure a high level of security.However, the BA requires a high memory percentage and it has a problem regarding randomness of output with text and image files having large strings of identical bytes.One solution to the seissues is to design a new Cryptography algorithm based on the BA that incorporates an F-function into a Cylindrical Coordinate System (CCS).The resulting F-function is known as a CCS with a Dynamic Permutation Table (DPT) or CCSDPT whereas the new algorithm is called the New BA (NBA).The objectives of the CCSDPT are to reduce memory requirements, enhance the randomness of the output and increase resistance to attacks through byte relocation and transformation in the right cylinder.NBA is evaluated by investigates the output of the algorithm by using statistical tests from the National Institute of Standard and Technology (NIST) with five types of data and compared with the BA.The findings of the NIST tests show that the NBA is suitable for any data stream, even those with long strings of identical bytes. …”
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Permutation entropy based full-reference image quality qssessment
Published 2019“…Motivated by the need of appropriate objective models, we propose a novel objective IQA algorithm, namely, Permutation Entropy Deviation Index (PEDI), based on the working principle of permutation entropy (PE). …”
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Isolated handwritten digit recognition using genetic algorithm / Farizatul Sarina Mohd Sari
Published 2007“…The data will be in a form of bitmap pictures with 16 x 16 images and 32 x 32 images. In the algorithm, two types of encoding scheme used that are binary encoding and permutation encoding. …”
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Key schedule algorithm based on coordinate geometry of a three-dimensional hybrid cube
Published 2019“…This research proposed a new Key Schedule Algorithm based on the coordinate geometry of a Hybrid Cube (KSAHC) for the non-binary block cipher. …”
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A block cipher based on genetic algorithm
Published 2016“…In many algorithms which are based on the genetic algorithm approach, diffusion properties using crossover and mutation function are being generated to produce a secure data transmission. …”
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An immune system-inspired byte permutation function to improve confusion performance of round transformation in symmetric encryption scheme.
Published 2012“…In data encryption, the security of the algorithm is measured based on Shannon’s confusion and diffusion properties. …”
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Book Section -
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Lao-3d: A Symmetric Lightweight Block Cipher Based on 3d Permutation for Mobile Encryption Application
Published 2024journal::journal article -
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RSA Encryption & Decryption using JAVA
Published 2006“…References and theories to support the research of 'RSA Encryption/Decryption using Java' have been disclosed in Literature Review section. …”
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Numerical assessment on makespan minimization by adopting NEH heuristics in permutation flow shop
Published 2015“…Whereas the process times of the jobs were randomly generated with range 1 to 10 using Microsoft Excel spreadsheet. Performance of the heuristic was validated using the relative percentage deviation (RPD) formula based on the makespan generated by CDS heuristic proposed by Campbell, Dudek and Smith. …”
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Makespan algorithms and heuristic for internet-based collaborative manufacturing process using bottleneck approach
Published 2010“…This paper presents makespan algorithms and scheduling heuristic for an Internet-based collaborative design and manufacturing process using bottleneck approach. …”
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