Cryptanalysis of an Enhanced Spatiotemporal Chaotic Image/Video Cryptosystem
Myung-Jin Choi, Dong-In Park, Sang-Yoon Yoon and 2 more
EURASIP Journal on Advances in Signal Processing · 2011
doi:10.1155/2011/461563 (opens in a new tab)
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Abstract
Recently, an enhanced spatiotemporal chaotic image/video cryptosystem was proposed by Rhouma and Belghith. This paper demonstrates that the enhanced cryptosystem is not secure against the following three different classical types of attacks: chosen plaintext, chosen ciphertext, and known plaintext. In the three attacks, only a pair of (plaintext/ciphertext) was needed to totally break the cryptosystem.
Abstract licence: CC BY-NC-ND
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