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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 11 — May. 21, 2012
  • pp: 11994–12003

Double images encryption method with resistance against the specific attack based on an asymmetric algorithm

Xiaogang Wang and Daomu Zhao  »View Author Affiliations

Optics Express, Vol. 20, Issue 11, pp. 11994-12003 (2012)

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A double-image encryption technique that based on an asymmetric algorithm is proposed. In this method, the encryption process is different from the decryption and the encrypting keys are also different from the decrypting keys. In the nonlinear encryption process, the images are encoded into an amplitude cyphertext, and two phase-only masks (POMs) generated based on phase truncation are kept as keys for decryption. By using the classical double random phase encoding (DRPE) system, the primary images can be collected by an intensity detector that located at the output plane. Three random POMs that applied in the asymmetric encryption can be safely applied as public keys. Simulation results are presented to demonstrate the validity and security of the proposed protocol.

© 2012 OSA

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(100.2000) Image processing : Digital image processing

ToC Category:
Image Processing

Original Manuscript: February 27, 2012
Revised Manuscript: May 6, 2012
Manuscript Accepted: May 9, 2012
Published: May 11, 2012

Xiaogang Wang and Daomu Zhao, "Double images encryption method with resistance against the specific attack based on an asymmetric algorithm," Opt. Express 20, 11994-12003 (2012)

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