Optical Data Encryption

Garcia-Varela, M. Sagrario Millán; Pérez‐Cabré, Elisabet

doi:10.1002/9783527635245.ch33

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Introduction1

Classification and Overview Of The Principles Of Optical Cor...1

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2015

2024

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Cited by 32 publications

(2 citation statements)

References 37 publications

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“…In recent years, protecting information by optical methods has significantly flourished since the introduction of the doublerandom phase encoding 4 (DRPE) [1]. It has spawned a diverse number of variations-see [2] and references therein. In particular, its versatility has recently enabled the introduction of a dynamic encryption framework [3,4].…”

Section: Introductionmentioning

confidence: 99%

Experimental optical encryption system based on a single-lens imaging architecture combined with a phase retrieval algorithm

Mosso

Bolognini

Pérez

2015

J. Opt.

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Section: Introductionmentioning

confidence: 99%

Experimental optical encryption system based on a single-lens imaging architecture combined with a phase retrieval algorithm

Mosso

Bolognini

Pérez

2015

J. Opt.

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“…Data need to be protected in every institution (industry, research, healthcare, and governments), in personal identification documents (identity card, passport, credit card) and in information transfer and processing. To achieve data protection against intrusion, counterfeit or forgery, various methods have been proposed to encrypt and decrypt the data [ 23 ]. Such methods could be classified into three major categories: optical, digital, and digital methods inspired by the optical ones.…”

Section: Classification and Overview Of The Principles Of Optical Cor...mentioning

confidence: 99%

Optical Correlators for Cryptosystems and Image Recognition: A Review

Drăgulinescu

2023

Sensors

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Optical correlators are efficient optical systems that have gained a wide range of applications both in image recognition and encryption, due to their special properties that benefit from the optoelectronic setup instead of an all-electronic one. This paper presents, to the best of our knowledge, the most extensive review of optical correlators to date. The main types are overviewed, together with their most frequent applications in the newest contributions, ranging from security uses in cryptosystems, to medical and space applications, femtosecond pulse detection and various other image recognition proposals. The paper also includes a comparison between various optical correlators developed recently, highlighting their advantages and weaknesses, to gain a better perspective towards finding the best solutions in any specific domain where these devices might prove highly efficient and useful.

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