Cryptanalysis of an Encryption Scheme Based on Blind Source Separation
<|reference_start|>Cryptanalysis of an Encryption Scheme Based on Blind Source Separation: Recently Lin et al. proposed a method of using the underdetermined BSS (blind source separation) problem to realize image and speech encryption. In this paper, we give a cryptanalysis of this BSS-based encryption and point out that it is not secure against known/chosen-plaintext attack and chosen-ciphertext attack. In addition, there exist some other security defects: low sensitivity to part of the key and the plaintext, a ciphertext-only differential attack, divide-and-conquer (DAC) attack on part of the key. We also discuss the role of BSS in Lin et al.'s efforts towards cryptographically secure ciphers.<|reference_end|>
@article{li2006cryptanalysis,
    title={Cryptanalysis of an Encryption Scheme Based on Blind Source Separation},
    author={Shujun Li, Chengqing Li, Kwok-Tung Lo and Guanrong Chen},
    journal={IEEE Transactions on Circuits and Systems-I: Regular Papers, vol.
  55, no. 4, pp. 1055-1063, April 2008},
    year={2006},
    doi={10.1109/TCSI.2008.916540},
    archivePrefix={arXiv},
    eprint={cs/0608024},
    primaryClass={cs.CR cs.MM}
}