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- W4378070075 abstract "In this paper, we propose a new asymmetric cryptosystem for phase image encryption, using the physically unclonable functions (PUFs) as security keys. For encryption, the original amplitude image is first converted into a phase image and modulated with a PUF to obtain a complex image. This complex image is then illuminated with a plane wave, and the complex wavefront at a distance d is recorded. The real part of the complex wavefront is further processed to obtain the encrypted image and the imaginary part is kept as the private key. The polar decomposition approach is utilized to generate two more private security keys and to enable the multi-user capability in the cryptosystem. Numerical simulations confirm the feasibility of the proposed method." @default.
- W4378070075 created "2023-05-25" @default.
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- W4378070075 date "2023-03-06" @default.
- W4378070075 modified "2023-09-26" @default.
- W4378070075 title "An Asymmetric Optical Cryptosystem Using Physically Unclonable Functions in the Fresnel Domain" @default.
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- W4378070075 doi "https://doi.org/10.3390/hmam2-14124" @default.
- W4378070075 hasPublicationYear "2023" @default.
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