Collision in Phase Truncation based Asymmetric Cryptosystem in Fresnel Domain

Isha Mehra; Sudheesh K. Rajput; Naveen K. Nishchal

doi:10.1364/PHOTONICS.2012.WPo.41

International Conference on Fibre Optics and Photonics
OSA Technical Digest (online) (Optica Publishing Group, 2012),
paper WPo.41
•https://doi.org/10.1364/PHOTONICS.2012.WPo.41

Collision in Phase Truncation based Asymmetric Cryptosystem in Fresnel Domain

Isha Mehra, Sudheesh K. Rajput, and Naveen K. Nishchal

International Conference on Fibre Optics and Photonics 2012

Chennai India
9–12 December 2012
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Poster Session III (WPo)

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I. Mehra, S. K. Rajput, and N. K. Nishchal, "Collision in Phase Truncation based Asymmetric Cryptosystem in Fresnel Domain," in International Conference on Fibre Optics and Photonics, OSA Technical Digest (online) (Optica Publishing Group, 2012), paper WPo.41.

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Abstract

We propose collision in asymmetric cryptosystem based on phase-truncated Fresnel transform. An arbitrary image can be generated from ciphertext or watermark embedded in a host image with the help of phase retrieval algorithm. Computer simulation results support the idea of the proposed collision.

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