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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Cryptanalysis of a new image encryption algorithm based on hyper-chaos
Physics Letters, Section A: General, Atomic and Solid State Physics, Volume 372, No. 38, Year 2008
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Description
This Letter proposes two different attacks on a recently proposed image based on hyper-chaos. The cryptosystem under study proceed first by shuffling the image rows and columns to disturb the high correlation among pixels by iterating the logistic map. Second, a keystream is generated to mix it with the pixels of the shuffled image using hyper-chaos. These two processes in the encryption stage present weakness, and a chosen plaintext attack and a chosen ciphertext attack can be done to recover the ciphered-image without any knowledge of the key value. It just demands three couples of plaintext/ciphertext to break totally the cryptosystem. © 2008 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Rhouma, Rhouma
Tunisia, Tunis
Université de Tunis el Manar, Ecole Nationale D'ingénieurs de Tunis
Belghith, Safya Mdimegh
Tunisia, Tunis
Université de Tunis el Manar, Ecole Nationale D'ingénieurs de Tunis
Statistics
Citations: 455
Authors: 2
Affiliations: 1
Identifiers
Doi:
10.1016/j.physleta.2008.07.057
ISSN:
03759601