A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations

Many public-key cryptosystems are used in our daily lives to attain privacy, authenticity, integrity and non-repudiation. However, most of the existing public-key algorithms are based on complex mathematical computations. Until recently, building a highly secured public-key cryptosystem without util...

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Bibliographic Details
Main Author:	Jaafar, Abdullah Mohammed Abdo Ali
Format:	Thesis
Language:	English
Published:	2011
Subjects:	QA75.5-76.95 Electronic computers Computer science
Online Access:	http://eprints.usm.my/41333/1/ABDULLAH_MOHAMMED_ABDO.pdf
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id	my-usm-ep.41333
record_format	uketd_dc
spelling	my-usm-ep.413332018-08-16T02:39:43Z A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations 2011 Jaafar, Abdullah Mohammed Abdo Ali QA75.5-76.95 Electronic computers. Computer science Many public-key cryptosystems are used in our daily lives to attain privacy, authenticity, integrity and non-repudiation. However, most of the existing public-key algorithms are based on complex mathematical computations. Until recently, building a highly secured public-key cryptosystem without utilizing complex computations has been a serious challenge, making it necessary for investigations to develop new cryptography methods. Visual cryptography is special because the scheme requires visual inspection or the equivalence of simple Boolean computation and therefore, does not require complex computations. The basic design of visual cryptography exploits the human visual system, to recover secret images. Moreover, the visual inspection process could be carried out very easily by humans, but hard for the computer to imitate. Indirectly, such scheme adds extra protection to the visual scheme against brute-force search on the visual secret key. 2011 Thesis http://eprints.usm.my/41333/ http://eprints.usm.my/41333/1/ABDULLAH_MOHAMMED_ABDO.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Sains Komputer
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QA75.5-76.95 Electronic computers Computer science
spellingShingle	QA75.5-76.95 Electronic computers Computer science Jaafar, Abdullah Mohammed Abdo Ali A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations
description	Many public-key cryptosystems are used in our daily lives to attain privacy, authenticity, integrity and non-repudiation. However, most of the existing public-key algorithms are based on complex mathematical computations. Until recently, building a highly secured public-key cryptosystem without utilizing complex computations has been a serious challenge, making it necessary for investigations to develop new cryptography methods. Visual cryptography is special because the scheme requires visual inspection or the equivalence of simple Boolean computation and therefore, does not require complex computations. The basic design of visual cryptography exploits the human visual system, to recover secret images. Moreover, the visual inspection process could be carried out very easily by humans, but hard for the computer to imitate. Indirectly, such scheme adds extra protection to the visual scheme against brute-force search on the visual secret key.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Jaafar, Abdullah Mohammed Abdo Ali
author_facet	Jaafar, Abdullah Mohammed Abdo Ali
author_sort	Jaafar, Abdullah Mohammed Abdo Ali
title	A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations
title_short	A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations
title_full	A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations
title_fullStr	A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations
title_full_unstemmed	A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations
title_sort	new visual public-key cryptosystem based on non-expansion technique and boolean operations
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Sains Komputer
publishDate	2011
url	http://eprints.usm.my/41333/1/ABDULLAH_MOHAMMED_ABDO.pdf
_version_	1747820913544396800

A New Visual Public-Key Cryptosystem Based On Non-Expansion Technique And Boolean Operations

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