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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 10 — May. 15, 2013
  • pp: 1651–1653

Asymmetric cryptosystem using random binary phase modulation based on mixture retrieval type of Yang–Gu algorithm

Wei Liu, Zhengjun Liu, and Shutian Liu  »View Author Affiliations

Optics Letters, Vol. 38, Issue 10, pp. 1651-1653 (2013)

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We propose an asymmetric optical image encryption scheme that uses an amplitude and phase mixture retrieval of the Yang–Gu algorithm. The encryption process is realized by employing a cascaded Yang–Gu algorithm together with two random phase masks that serve as the public encryption keys. The two private keys are generated in the encryption process and are randomly distributed binary matrices to be used for performing one-way binary phase modulations. Without the private keys, illegal users cannot retrieve the secret image. Numerical simulations are carried out to demonstrate the validity and security of the proposed scheme.

© 2013 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(060.4785) Fiber optics and optical communications : Optical security and encryption

ToC Category:
Fourier Optics and Signal Processing

Original Manuscript: February 20, 2013
Revised Manuscript: April 4, 2013
Manuscript Accepted: April 16, 2013
Published: May 9, 2013

Wei Liu, Zhengjun Liu, and Shutian Liu, "Asymmetric cryptosystem using random binary phase modulation based on mixture retrieval type of Yang–Gu algorithm," Opt. Lett. 38, 1651-1653 (2013)

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