Journal
OPTICS LETTERS
Volume 38, Issue 18, Pages 3684-3686Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.38.003684
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Funding
- National Natural Science Foundation of China [61205006, 11274274, 11074219]
- Zhejiang Provincial Natural Science Foundation of China [LY13F050006]
- Scientific Research and Developed Fund of Zhejiang A F University [2013FR049]
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We propose a simple amplitude-phase retrieval attack free cryptosystem based on direct attack to phase-truncated Fourier-transform-based encryption using a random amplitude mask (RAM). The RAM that is not saved during the encryption provides extremely high security for the two private keys, and no iterative calculations are involved in the nonlinear encryption process. Lack of enough constraints makes the specific attack based on iterative amplitude phase retrieval algorithms unusable. Numerical simulation results are given for testing the validity and security of the proposed approach. (C) 2013 Optical Society of America
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