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Analysis and Improvement on an Image Encryption Algorithm Based on Bit Level Permutation

  • Bin Lu
  • Fenlin Liu
  • Ping Xu
  • Xin GeEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11065)

Abstract

A modeling description of Ye algorithm is first presented in this paper. Then a chosen plaintext attack is proposed aiming at the drawback of Ye algorithm that the generation procedure of permutation vectors has no relation with plain image. With the attack, the permutation vectors (keystreams equivalent to secret key) can be correctly recovered with only ceil(log2(8MN)) chosen plain images, which is proved by Proposition 1. Thirdly, an improvement of Ye algorithm is proposed. Experiments and analysis show the validity of chosen plaintext attack and the security of improved algorithm. Attack and improvement proposed in this paper provides concrete method of security analysis and “plain image related” design idea of secure permutation against chosen plaintext attack for analysis and design of chaos based image encryption algorithm.

Keywords

Image encryption Bit level permutation Chaos 

Notes

Acknowledgments

The work described in this paper was partially supported by the National Natural Science Foundation of China (Grant No. 61601517, No. 60902102, No. 60970141), basic and advanced technology research project of Henan Province, China (Grant No. 2014302703).

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.China National Digital Switching System Engineering Technology Research CenterZhengzhouChina

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