Paper 2004/376

Cryptanalysis of RCES/RSES Image Encryption Scheme

Shujun Li, Chengqing Li, Guanrong Chen, and Kwok-Tung Lo


Recently, a chaos-based image encryption scheme called RCES (also called RSES) was proposed. This paper analyzes the security of RCES, and points out that it is insecure against the known/chosen-plaintext attacks: the number of required known/chosen plain-images is only one or two. In addition, the security of RCES against the brute-force attack was overestimated. Both theoretical and experimental analyses are given to show the performance of the suggested known/chosen-plaintext attacks. The insecurity of RCES is due to its special design, which makes it a typical example of insecure image encryption schemes. Some lessons are drawn from RCES to show some common principles for ensuring the high level of security of an image encryption scheme.

Note: A number of modifications have been made to enhance the contents.

Available format(s)
Publication info
Published elsewhere. Unknown where it was published
cryptanalysisimage encryptionRCESRSES
Contact author(s)
hooklee75 @ hotmail com
2007-04-27: revised
2005-01-03: received
See all versions
Short URL
Creative Commons Attribution


      author = {Shujun Li and Chengqing Li and Guanrong Chen and Kwok-Tung Lo},
      title = {Cryptanalysis of RCES/RSES Image Encryption Scheme},
      howpublished = {Cryptology ePrint Archive, Paper 2004/376},
      year = {2004},
      note = {\url{}},
      url = {}
Note: In order to protect the privacy of readers, does not use cookies or embedded third party content.