Generalized multi-channel scheme for secure image encryption

Abstract The ability of metamaterials to manipulate optical waves in both the spatial and spectral domains has provided new opportunities for image encoding. Combined with the recent advances in hyperspectral imaging, this suggests exciting new possibilities for the development of secure communicati...

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Autores principales:	Romil Audhkhasi, Michelle L. Povinelli
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3646c3cb90d6432ead217fac25f88f1b
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spelling	oai:doaj.org-article:3646c3cb90d6432ead217fac25f88f1b2021-11-28T12:16:59ZGeneralized multi-channel scheme for secure image encryption10.1038/s41598-021-02067-82045-2322https://doaj.org/article/3646c3cb90d6432ead217fac25f88f1b2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02067-8https://doaj.org/toc/2045-2322Abstract The ability of metamaterials to manipulate optical waves in both the spatial and spectral domains has provided new opportunities for image encoding. Combined with the recent advances in hyperspectral imaging, this suggests exciting new possibilities for the development of secure communication systems. While traditional image encryption approaches perform a 1-to-1 transformation on a plain image to form a cipher image, we propose a 1-to-n transformation scheme. Plain image data is dispersed across n seemingly random cipher images, each transmitted on a separate spectral channel. We show that the size of our key space increases as a double exponential with the number of channels used, ensuring security against both brute-force attacks and more sophisticated attacks based on statistical sampling. Moreover, our multichannel scheme can be cascaded with a traditional 1-to-1 transformation scheme, effectively squaring the size of the key space. Our results suggest exciting new possibilities for secure transmission in multi-wavelength imaging channels.Romil AudhkhasiMichelle L. PovinelliNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Romil Audhkhasi Michelle L. Povinelli Generalized multi-channel scheme for secure image encryption
description	Abstract The ability of metamaterials to manipulate optical waves in both the spatial and spectral domains has provided new opportunities for image encoding. Combined with the recent advances in hyperspectral imaging, this suggests exciting new possibilities for the development of secure communication systems. While traditional image encryption approaches perform a 1-to-1 transformation on a plain image to form a cipher image, we propose a 1-to-n transformation scheme. Plain image data is dispersed across n seemingly random cipher images, each transmitted on a separate spectral channel. We show that the size of our key space increases as a double exponential with the number of channels used, ensuring security against both brute-force attacks and more sophisticated attacks based on statistical sampling. Moreover, our multichannel scheme can be cascaded with a traditional 1-to-1 transformation scheme, effectively squaring the size of the key space. Our results suggest exciting new possibilities for secure transmission in multi-wavelength imaging channels.
format	article
author	Romil Audhkhasi Michelle L. Povinelli
author_facet	Romil Audhkhasi Michelle L. Povinelli
author_sort	Romil Audhkhasi
title	Generalized multi-channel scheme for secure image encryption
title_short	Generalized multi-channel scheme for secure image encryption
title_full	Generalized multi-channel scheme for secure image encryption
title_fullStr	Generalized multi-channel scheme for secure image encryption
title_full_unstemmed	Generalized multi-channel scheme for secure image encryption
title_sort	generalized multi-channel scheme for secure image encryption
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/3646c3cb90d6432ead217fac25f88f1b
work_keys_str_mv	AT romilaudhkhasi generalizedmultichannelschemeforsecureimageencryption AT michellelpovinelli generalizedmultichannelschemeforsecureimageencryption
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Generalized multi-channel scheme for secure image encryption

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