Special ciphertext-only attack to double random phase encryption by plaintext shifting with speckle correlation

Jiao, Shuming; Li, Guowei; Zhou, Changyuan; Zou, Wenbin; Li, Xia

doi:10.1364/josaa.35.0000a1

Cited by 34 publications

(5 citation statements)

References 19 publications

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“…= 20922789888000 possible ways. The number of possible combinations can reach 35 2.6 10  when M=32. A brute-force attack is hard to realize by attackers for a Type II system as well.…”

Section: Encrypted Single-pixel Imaging (Spi) Systemmentioning

confidence: 99%

“…For other types of optical encryption systems such as DRPE [4], various implementations of encryption systems [24][25][26][27][28] and various types of cryptanalysis [29][30][31][32][33][34][35] including CPA, KPA and COA have been extensively investigated. However, for encrypted SPI, many works have been conducted on the design of encryption systems [12][13][14][15][16][17][18][19][20][21] since the earliest attempt [12] but little cryptanalysis has been investigated previously.…”

Section: Introductionmentioning

confidence: 99%

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Known-Plaintext Attack and Ciphertext-Only Attack for Encrypted Single-Pixel Imaging

et al. 2019

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In many previous works, a single-pixel imaging (SPI) system is constructed as an optical image encryption system. Unauthorized users are not able to reconstruct the plaintext image from the ciphertext intensity sequence without knowing the illumination pattern key. However, little cryptanalysis about encrypted SPI has been investigated in the past. In this work, we propose a known-plaintext attack scheme and a ciphertext-only attack scheme to an encrypted SPI system for the first time. The known-plaintext attack is implemented by interchanging the roles of illumination patterns and object images in the SPI model. The ciphertext-only attack is implemented based on the statistical features of single-pixel intensity values. The two schemes can crack encrypted SPI systems and successfully recover the key containing correct illumination patterns.

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“…= 20922789888000 possible ways. The number of possible combinations can reach 35 2.6 10  when M=32. A brute-force attack is hard to realize by attackers for a Type II system as well.…”

Section: Encrypted Single-pixel Imaging (Spi) Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Known-Plaintext Attack and Ciphertext-Only Attack for Encrypted Single-Pixel Imaging

et al. 2019

Self Cite

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“…Double image cryptosystems proposed in the recent past have used the iterative phase retrieval algorithm [15,20], random binary encoding [18], chaotic map algorithms [16] and many more. Various studies [22][23][24][25][26] have shown that optical cryptosystems are vulnerable to various attacks. Just as image security, image compression has also grabbed the attention of researchers.…”

Section: Introductionmentioning

confidence: 99%

Asymmetric double image encryption, compression and watermarking scheme based on orthogonal-triangular decomposition with column pivoting

Anjana¹,

Rakheja²,

Yadav³

et al. 2022

Optica Applicata

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A novel asymmetric scheme for double image encryption, compression and watermarking based on QR decomposition in the Fresnel domain has been presented. The QR decomposition provides a permutation matrix as a ciphertext and the product of orthogonal and triangular matrix as a key. The ciphertext obtained through this process is a sparse matrix that is compressed by the CSR method to give compressed encrypted data, which, when combined with a host image, gives a watermarked image. Thus, a cryptosystem that involves compression and watermarking is proposed. The proposed scheme is validated for grayscale images. To check the efficacy of the proposed scheme, histograms, statistical parameters, and key sensitivity are analyzed. The scheme is also tested against various attacks. Numerical simulations are performed to validate the security of the scheme.

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“…[7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] In recent years, the vulnerability analysis of optical encryption systems has attracted wide interest from researchers. The DRPE-based optical encryption schemes have been verified to be vulnerable to different kinds of attacks [26][27][28][29] due to its inherent properties of linearity and symmetry. It was also found that they are vulnerable to new attack methods using deep learning (DL) techniques.…”

Section: Introductionmentioning

confidence: 99%

Deep-learning-based cryptanalysis of two types of nonlinear optical cryptosystems

Wang¹,

Wei²

2022

Chinese Phys. B

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The two types of nonlinear optical cryptosystems (NOCs) that are respectively based on amplitude-phase retrieval algorithm (APRA) and phase retrieval algorithm (PRA) have attracted a lot of attention due to their unique mechanism of encryption process and remarkable ability to resist common attacks. In this paper, for the first time, to the best of our knowledge, the security of the two types NOCs is evaluated by using a deep-learning (DL) method, wherein an end-to-end densely connected convolutional network (DenseNet) model for cryptanalysis is developed. The proposed DL-based method is able to retrieve unknown plaintexts from the given ciphertexts by using the trained DenseNet model without a prior knowledge of any public or private keys. The results of numerical experiments with the DenseNet model clearly demonstrate the validity and good performance of the proposed the DL-based attack on NOCs.

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Special ciphertext-only attack to double random phase encryption by plaintext shifting with speckle correlation

Cited by 34 publications

References 19 publications

Known-Plaintext Attack and Ciphertext-Only Attack for Encrypted Single-Pixel Imaging

Known-Plaintext Attack and Ciphertext-Only Attack for Encrypted Single-Pixel Imaging

Asymmetric double image encryption, compression and watermarking scheme based on orthogonal-triangular decomposition with column pivoting

Deep-learning-based cryptanalysis of two types of nonlinear optical cryptosystems

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