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Image Encryption using Block Permutation and XOR Operation

by T. Sivakumar, K. Gayathri Devi
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 160 - Number 9
Year of Publication: 2017
Authors: T. Sivakumar, K. Gayathri Devi
10.5120/ijca2017912981

T. Sivakumar, K. Gayathri Devi . Image Encryption using Block Permutation and XOR Operation. International Journal of Computer Applications. 160, 9 ( Feb 2017), 33-36. DOI=10.5120/ijca2017912981

@article{ 10.5120/ijca2017912981,
author = { T. Sivakumar, K. Gayathri Devi },
title = { Image Encryption using Block Permutation and XOR Operation },
journal = { International Journal of Computer Applications },
issue_date = { Feb 2017 },
volume = { 160 },
number = { 9 },
month = { Feb },
year = { 2017 },
issn = { 0975-8887 },
pages = { 33-36 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume160/number9/27104-2017912981/ },
doi = { 10.5120/ijca2017912981 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-07T00:06:17.604820+05:30
%A T. Sivakumar
%A K. Gayathri Devi
%T Image Encryption using Block Permutation and XOR Operation
%J International Journal of Computer Applications
%@ 0975-8887
%V 160
%N 9
%P 33-36
%D 2017
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Now a days, in every communication channel there is a necessity of transmission of messages securely from sender to the authentic receiver. In recent years, for different information transfer systems, a number of data encryption techniques has been evolved. Several encryption approaches based on permutation have been proposed by various researchers. In this paper, for encrypting images, permutation and XOR operation with a key matrix which together fulfill the purpose of cipher is proposed. First the image is divided into blocks which are then shuffled among themselves using random numbers. Lagged Fibonacci Generator (LFG) is used to generate random numbers and further the random numbers are used as key stream for XOR operation. The proposed encryption method is simple and ensures the security of the encrypted images.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Cryptography image encryption Lagged Fibonacci Generator (LFG) Random number

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