A new steganography technique using magic square matrix and affine cipher

Methods that provide effective protection of data have now become necessary due to the huge growth of multimedia applications on networks. Steganography is one of the most widespread approaches of protecting data. The challenge of steganographic methods is to create a rational balance between the qu...

Full description

Saved in:
Bibliographic Details
Main Author: Al-Hasan, Waleed S. Hasan
Format: Thesis
Language:English
Published: 2015
Subjects:
Online Access:http://eprints.utm.my/id/eprint/53913/1/WaleedSHasanMFKE2015.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-utm-ep.53913
record_format uketd_dc
spelling my-utm-ep.539132020-10-08T03:01:22Z A new steganography technique using magic square matrix and affine cipher 2015-06 Al-Hasan, Waleed S. Hasan TK Electrical engineering. Electronics Nuclear engineering Methods that provide effective protection of data have now become necessary due to the huge growth of multimedia applications on networks. Steganography is one of the most widespread approaches of protecting data. The challenge of steganographic methods is to create a rational balance between the quality of the file and the size of data that can be transferred. In addition, the robustness of the technique and security of the obscure data must be maintained. This thesis proposes a new steganography approach to fulfill requirements of steganography which are imperceptibility, payload and robustness. In this study, the color space of the image is first converted from RGB to YCbCr color space. Then, Cb or Cr channel selected to hide the secret data. The secret data is encrypted using the affine cipher to increase the security of data. The Magic Square Matrix is applied to embed the secret code onto the Cb or Cr component using ISB (Intermediates Significant Bits) approach. Finally, the robustness of the cover image is evaluated by applying Salt-and-Pepper noise. The results show that the new proposed method not only improves the security problem but proposed technique can withstand attacks. 2015-06 Thesis http://eprints.utm.my/id/eprint/53913/ http://eprints.utm.my/id/eprint/53913/1/WaleedSHasanMFKE2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:85450 masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TK Electrical engineering
Electronics Nuclear engineering
spellingShingle TK Electrical engineering
Electronics Nuclear engineering
Al-Hasan, Waleed S. Hasan
A new steganography technique using magic square matrix and affine cipher
description Methods that provide effective protection of data have now become necessary due to the huge growth of multimedia applications on networks. Steganography is one of the most widespread approaches of protecting data. The challenge of steganographic methods is to create a rational balance between the quality of the file and the size of data that can be transferred. In addition, the robustness of the technique and security of the obscure data must be maintained. This thesis proposes a new steganography approach to fulfill requirements of steganography which are imperceptibility, payload and robustness. In this study, the color space of the image is first converted from RGB to YCbCr color space. Then, Cb or Cr channel selected to hide the secret data. The secret data is encrypted using the affine cipher to increase the security of data. The Magic Square Matrix is applied to embed the secret code onto the Cb or Cr component using ISB (Intermediates Significant Bits) approach. Finally, the robustness of the cover image is evaluated by applying Salt-and-Pepper noise. The results show that the new proposed method not only improves the security problem but proposed technique can withstand attacks.
format Thesis
qualification_level Master's degree
author Al-Hasan, Waleed S. Hasan
author_facet Al-Hasan, Waleed S. Hasan
author_sort Al-Hasan, Waleed S. Hasan
title A new steganography technique using magic square matrix and affine cipher
title_short A new steganography technique using magic square matrix and affine cipher
title_full A new steganography technique using magic square matrix and affine cipher
title_fullStr A new steganography technique using magic square matrix and affine cipher
title_full_unstemmed A new steganography technique using magic square matrix and affine cipher
title_sort new steganography technique using magic square matrix and affine cipher
granting_institution Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department Faculty of Electrical Engineering
publishDate 2015
url http://eprints.utm.my/id/eprint/53913/1/WaleedSHasanMFKE2015.pdf
_version_ 1747817656191287296