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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 22 — Nov. 15, 2006
  • pp: 3261–3263

Chosen-plaintext attack on lensless double-random phase encoding in the Fresnel domain

Xiang Peng, Hengzheng Wei, and Peng Zhang  »View Author Affiliations


Optics Letters, Vol. 31, Issue 22, pp. 3261-3263 (2006)
http://dx.doi.org/10.1364/OL.31.003261


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Abstract

We demonstrate a method of chosen-plaintext attack on lensless double-random phase encoding (L-DRPE) in the Fresnel domain. With this attack an opponent can access two encryption keys with help of the impulse functions as chosen plaintexts. This shows that a lensless optical encryption scheme based on DRPE is vulnerable to chosen-plaintext attack. Cryptoanalysis also indicates that the security worry originates from the linearity of the encryption and decryption mechanism of the L-DRPE scheme. One of the interesting features of the proposed attack is that the decryption process is lossless. Numerical simulations show good agreement with theoretical analysis.

© 2006 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.4560) Fourier optics and signal processing : Data processing by optical means
(100.0100) Image processing : Image processing
(200.0200) Optics in computing : Optics in computing

ToC Category:
Fourier Optics and Optical Signal Processing

History
Original Manuscript: July 20, 2006
Revised Manuscript: August 28, 2006
Manuscript Accepted: September 6, 2006
Published: October 26, 2006

Citation
Xiang Peng, Hengzheng Wei, and Peng Zhang, "Chosen-plaintext attack on lensless double-random phase encoding in the Fresnel domain," Opt. Lett. 31, 3261-3263 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-22-3261


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