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Applying deep learning to known-plaintext attack on chaotic image encryption schemes

Citation Author(s):
Fusen Wang, Jun Sang, Chunlin Huang, Bin Cai, Hong Xiang, Nong Sang
Submitted by:
Jun Sang
Last updated:
4 May 2022 - 8:44pm
Document Type:
Presentation Slides
Document Year:
Fusen Wang
Paper Code:

In this paper, we demonstrate that traditional chaotic encryption schemes are vulnerable to the known-plaintext attack (KPA) with deep learning. Considering the decryption process as image restoration based on deep learning, we apply Convolutional Neural Network to perform known-plaintext attack on chaotic cryptosystems. We design a network to learn the operation mechanism of chaotic cryptosystems, and utilize the trained network as the decryption system. To prove the effectiveness, we select three existing chaotic encryption schemes as the attacked targets. The experimental results demonstrate that deep learning can be applied to known-plaintext attack against chaotic cryptosystems successfully. Compared with traditional attack methods for chaotic cryptosystems, the proposed method shows obvious advantages: (1) One neural network may be applied to cryptanalysis of various chaotic cryptosystems, not limited to specific one; (2) the proposed method is significantly convenient and cost-efficient. This paper provides a new idea for the cryptanalysis of chaotic cryptosystems.

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