Ptychographic attack on the double random amplitude-phase optical encoding system

Qian Wang; Tuo Li

doi:10.1117/12.2586730

15 January 2021 Ptychographic attack on the double random amplitude-phase optical encoding system

Qian Wang, Tuo Li

Proceedings Volume 11761, Fourth International Conference on Photonics and Optical Engineering; 117610C (2021) https://doi.org/10.1117/12.2586730
Event: Fourth International Conference on Photonics and Optical Engineering, 2020, Xi'an, China

Abstract

Double random amplitude-phase encoding (DRAPE) system is immune to the conventional phase retrieval attack. Here, we demonstrate that the DRAPE system is vulnerable to the ptychographic phase retrieval method. By using the ptychographic attack algorithm, the keys of DRAPE system can be cracked. Moreover, since the question of the optical cryptanalysis can be transformed into a problem of ptychography imaging system, the ptychographic attack may further promoted to other the optical image cryptosystems.

Citation Download Citation

Qian Wang and Tuo Li "Ptychographic attack on the double random amplitude-phase optical encoding system", Proc. SPIE 11761, Fourth International Conference on Photonics and Optical Engineering, 117610C (15 January 2021); https://doi.org/10.1117/12.2586730

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