A known-plaintext heuristic attack on the Fourier plane encryption algorithm

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dc.contributor.author Gopinathan, Unnikrishnan
dc.contributor.author Monaghan, David S.
dc.contributor.author Naughton, Thomas J.
dc.contributor.author Sheridan, John T.
dc.date.accessioned 2011-12-01T11:56:49Z
dc.date.available 2011-12-01T11:56:49Z
dc.date.copyright 2006 Optical Society of America en
dc.date.issued 2006-04-17
dc.identifier.citation Optics Express en
dc.identifier.issn 1094-4087
dc.identifier.uri http://hdl.handle.net/10197/3370
dc.description.abstract The Fourier plane encryption algorithm is subjected to a known-plaintext attack. The simulated annealing heuristic algorithm is used to estimate the key, using a known plaintext-ciphertext pair, which decrypts the ciphertext with arbitrarily low error. The strength of the algorithm is tested by using this estimated key to decrypt a different ciphertext which was also encrypted using the same original key. We assume that the plaintext is amplitude-encoded real-valued image, and analyze only the mathematical algorithm rather than a real optical system that can be more secure. The Fourier plane encryption algorithm is found to be susceptible to a known-plaintext heuristic attack. en
dc.description.sponsorship Science Foundation Ireland en
dc.format.extent 156557 bytes
dc.format.extent 1072 bytes
dc.format.mimetype application/pdf
dc.format.mimetype text/plain
dc.language.iso en en
dc.publisher Optical Society of America en
dc.rights This paper was published in OPTICS EXPRESS and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-14-8-3181. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. en
dc.subject Fourier plane encryption algorithm en
dc.subject.lcsh Fourier transform optics en
dc.subject.lcsh Heuristic algorithms en
dc.subject.lcsh Optical data processing en
dc.title A known-plaintext heuristic attack on the Fourier plane encryption algorithm en
dc.type Journal Article en
dc.internal.availability Full text available en
dc.internal.webversions http://dx.doi.org/10.1364/OE.14.003181 en
dc.status Peer reviewed en
dc.identifier.volume 14 en
dc.identifier.issue 8 en
dc.identifier.startpage 3181 en
dc.identifier.endpage 3186 en
dc.identifier.doi 10.1364/OE.14.003181
dc.neeo.contributor Gopinathan|Unnikrishnan|aut| en
dc.neeo.contributor Monaghan|David S.|aut| en
dc.neeo.contributor Naughton|Thomas J.|aut| en
dc.neeo.contributor Sheridan|John T.|aut| en
dc.description.admin au, ti, la, ab - kpw7/11/11 en

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