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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 13 — Jul. 1, 2005
  • pp: 1644–1646

Vulnerability to chosen-cyphertext attacks of optical encryption schemes based on double random phase keys

Arturo Carnicer, Mario Montes-Usategui, Sergio Arcos, and Ignacio Juvells  »View Author Affiliations


Optics Letters, Vol. 30, Issue 13, pp. 1644-1646 (2005)
http://dx.doi.org/10.1364/OL.30.001644


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Abstract

We show how optical encryption methods based on double random phase keys are vulnerable to an organized attack of the chosen-ciphertext type. The decryption key can be easily obtained by an opponent who has repeated access to either the encryption or decryption machines. However, we have also devised a solution that prevents the attack. Our results cast doubts on the present security of these techniques.

© 2005 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(100.0100) Image processing : Image processing

Citation
Arturo Carnicer, Mario Montes-Usategui, Sergio Arcos, and Ignacio Juvells, "Vulnerability to chosen-cyphertext attacks of optical encryption schemes based on double random phase keys," Opt. Lett. 30, 1644-1646 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-13-1644

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