Cryptanalysis of image encryption with compound chaotic sequence
Cryptanalysis of image encryption with compound chaotic sequence
Recently, an image encryption algorithm based on compound chaotic sequence was proposed [Tong et al., Image and Vision Computing 26 (2008) 843]. In this paper, we analyze the security weaknesses of the proposal. We give chosen-plaintext and known-plaintext attacks that yield the secret parameters of the algoritm. Our simulation results show that the computational complexity of the attacks is quite low.
- ISIK UNIVERSITY Turkey
- Işık University Turkey
Image encryptions, Image sequence analysis, Image encryption, Cryptosystems, Cryptanalysis, Image encryption algorithm, Image sequences, Proposals, Chosen-plaintext attacks, Secret parameters, Security weaknesses, Ciphers, Computational modeling, Plaintext, Chaotic communication, Computational complexity, Vision computing, Compound chaotic sequence, Simulation result, Cryptography, Security, Chaos, Computer vision, Pixel, Chaotic sequence
Image encryptions, Image sequence analysis, Image encryption, Cryptosystems, Cryptanalysis, Image encryption algorithm, Image sequences, Proposals, Chosen-plaintext attacks, Secret parameters, Security weaknesses, Ciphers, Computational modeling, Plaintext, Chaotic communication, Computational complexity, Vision computing, Compound chaotic sequence, Simulation result, Cryptography, Security, Chaos, Computer vision, Pixel, Chaotic sequence
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