期刊
OPTIK
卷 145, 期 -, 页码 456-464出版社
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2017.08.050
关键词
DNA; Chaos; Image encryption; Cryptanalysis; Chosen-plaintext attack
类别
资金
- National Natural Science Foundation of China [61602158]
- China Postdoctoral Science Foundation [2016M600030]
- Science Foundation for the Excellent Youth Scholars of Henan Normal University [YQ201607]
- Science Foundation for Young Scholars of Henan Normal University [2014QK20]
- PhD Scientific Research Foundation of Henan Normal University [qd14134]
A robust encryption algorithm using DNA and chaotic logistic maps was recently proposed, which can resist exhaustive attack, statistical attack and differential attack. The security of this encryption algorithm depends on the initial conditions of 1D and 2D logistic chaotic maps, which include the front and latter pixel sum of plain image. However, this scheme is not secure enough because the front half and latter half pixel sum can be known to the attacker. According to this security weakness the encryption algorithm is completely cracked by a novel chosen-plaintext attack scheme. Experiments and analysis verify our approach. (C) 2017 Elsevier GmbH. All rights reserved.
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