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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 25, Iss. 10 — Oct. 1, 2008
  • pp: 2608–2617

Introducing secure modes of operation for optical encryption

Thomas J. Naughton, Bryan M. Hennelly, and Tom Dowling  »View Author Affiliations


JOSA A, Vol. 25, Issue 10, pp. 2608-2617 (2008)
http://dx.doi.org/10.1364/JOSAA.25.002608


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Abstract

We analyze optical encryption systems using the techniques of conventional cryptography. All conventional block encryption algorithms are vulnerable to attack, and often they employ secure modes of operation as one way to increase security. We introduce the concept of conventional secure modes to optical encryption and analyze the results in the context of known conventional and optical attacks. We consider only the optical system “double random phase encoding,” which forms the basis for a large number of optical encryption, watermarking, and multiplexing systems. We consider all attacks proposed to date in one particular scenario. We analyze only the mathematical algorithms themselves and do not consider the additional security that arises from employing these algorithms in physical optical systems.

© 2008 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.4560) Fourier optics and signal processing : Data processing by optical means
(060.4785) Fiber optics and optical communications : Optical security and encryption
(100.4998) Image processing : Pattern recognition, optical security and encryption

ToC Category:
Image Processing

History
Original Manuscript: February 27, 2008
Revised Manuscript: July 15, 2008
Manuscript Accepted: July 15, 2008
Published: September 29, 2008

Citation
Thomas J. Naughton, Bryan M. Hennelly, and Tom Dowling, "Introducing secure modes of operation for optical encryption," J. Opt. Soc. Am. A 25, 2608-2617 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-10-2608

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