Breaking an image encryption algorithm based on chaos

Details Breaking an image encryption algorithm based on chaos Breaking an image encryption algorithm based on chaos

2010-07-22

arxiv.org/abs/1007.3862v1

Computer Science

Cryptography and Security

9 pages, 4 figures

Scientific paper

Recently, a chaos-based image encryption algorithm called MCKBA (Modified Chaotic-Key Based Algorithm) was proposed. This paper analyzes the security of MCKBA and finds that it can be broken with a differential attack, which requires only four chosen plain-images. Performance of the attack is verified by experimental results. In addition, some defects of MCKBA, including insensitivity with respect to changes of plain-image/secret key, are reported.

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