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Title: Machine-learning attacks on interference-based optical encryption : experimental demonstration
Authors: Zhou, L 
Xiao, Y 
Chen, W 
Issue Date: 2019
Source: Optics express, 2 Sept. 2019, v. 27, no. 18, p. 26143-26154
Abstract: Optical techniques have boosted a new class of cryptographic systems with some remarkable advantages. and optical encryption not only has spurred practical developments but also has brought a new insight into cryptography. However, this does not mean that it is elusive for the opponents to attack optical encryption systems. In this paper, for the first time to our knowledge, we experimentally demonstrate the machine-learning attacks on interference-based optical encryption. Using machine-learning models that are trained by a series of ciphertext-plaintext pairs, an unauthorized person is capable to retrieve the unknown plaintexts from the given ciphertexts without the usage of various different optical encryption keys existing in interference-based optical encryption. In comparison with conventional cryptanaly tic methods, the proposed machine-learning-based attacking method can estimate transfer function or point spread function of interference-based optical encryption systems without subsidiary conditions. Simulations and optical experiments demonstrate feasibility and effectiveness of the proposed method, and the proposed machine-learning-based attacking method provides a versatile approach to analyzing the vulnerability of interference-based optical encryption.
Publisher: Optical Society of America
Journal: Optics express 
EISSN: 1094-4087
DOI: 10.1364/OE.27.026143
Rights: © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (
© 2019 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
Journal © 2019
The following publication Lina Zhou, Yin Xiao, and Wen Chen, "Machine-learning attacks on interference-based optical encryption: experimental demonstration," Opt. Express 27, 26143-26154 (2019) is available at
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