Known-public key attack on asymmetric optical image cryptosystem

DING Xiangling; YUAN Qian; ZHANG Lebing

doi:10.7510/jgjs.issn.1001-3806.2014.04.025

In order to break the asymmetric optical image cryptosystem based on phase-truncated Fourier transforms, known-public key attack method was proposed. Through theoretical analysis and experimental simulation, an attacker can get the general decryption key, recover the plaintext of asymmetric optical image encryption system based on phase truncation Fourier transform and achieve the good crack effect under the known public key attack. During the whole attack process, the method needs anything except for the public keys and the difficulty of implementation is also reduced. The results show this method has the practical significance.

Known-public key attack on asymmetric optical image cryptosystem

1. Department of Physics and Information Engineering, Huaihua College, Huaihua 418008, China

Received Date: 2013-08-19

Accepted Date: 2013-09-27

Available Online: 2014-07-25

Abstract: In order to break the asymmetric optical image cryptosystem based on phase-truncated Fourier transforms, known-public key attack method was proposed. Through theoretical analysis and experimental simulation, an attacker can get the general decryption key, recover the plaintext of asymmetric optical image encryption system based on phase truncation Fourier transform and achieve the good crack effect under the known public key attack. During the whole attack process, the method needs anything except for the public keys and the difficulty of implementation is also reduced. The results show this method has the practical significance.

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Reference (15)

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Known-public key attack on asymmetric optical image cryptosystem

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