Generalized amplitude-phase retrieval algorithm attack on 'double images encryption method with resistance against the special attack based on an asymmetric algorithm'

Chenggong Zhang; Wenqi He; Zewei Cai; Xiang Peng

doi:10.1117/12.2236277

12 September 2016 Generalized amplitude-phase retrieval algorithm attack on 'double images encryption method with resistance against the special attack based on an asymmetric algorithm'

Chenggong Zhang, Wenqi He, Zewei Cai, Xiang Peng

Author Affiliations +

Proceedings Volume 9970, Optics and Photonics for Information Processing X; 997018 (2016) https://doi.org/10.1117/12.2236277
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

A generalized amplitude-phase retrieval algorithm (GAPRA) attack on ‘double images encryption method with resistance against the special attack based on an asymmetric algorithm’ (DIEM) is presented in this paper. The analysis shows that the DIEM is a cascaded cryptosystem, which consist of a joint transform correlator architecture and a phasetruncated Fourier transform scheme. A GAPRA attack is proposed and the potential risk of the cascaded cryptosystems is discussed. By using our method, an attacker could crack high-quality results of the plaintexts. A set of simulation results demonstrate the validity and feasibility of the proposed method.

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Chenggong Zhang, Wenqi He, Zewei Cai, and Xiang Peng "Generalized amplitude-phase retrieval algorithm attack on 'double images encryption method with resistance against the special attack based on an asymmetric algorithm'", Proc. SPIE 9970, Optics and Photonics for Information Processing X, 997018 (12 September 2016); https://doi.org/10.1117/12.2236277

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KEYWORDS

Fourier transforms

Image encryption

Cryptanalysis

Resistance

Information security

Phase retrieval

Computer security

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