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Chaos-based joint compression and encryption algorithm for generating variable length ciphertext

delete2012-01-01
delete21
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AI
K
Kwok‐Wo Wong
陈健勇 cover
陈健勇 (Jianyong Chen)
周俊伟 cover
周俊伟 (Junwei Zhou)
DOI:10.1016/j.asoc.2011.09.003delete
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Abstract

Abstract

En 中文
Here we modify a chaos-based joint compression and encryption algorithm previously proposed by us. Two modifications are suggested for improving the compression performance and generating ciphertext with variable length, respectively. The first goal is achieved by counting the number of distinct symbols visited by the chaotic search orbit, rather than the total number of iterations of the chaotic map. The second objective is realized by introducing a user-chosen parameter to determine the ratio between the search and the mask modes. The performance of the modified algorithm is justified by simulation results using standard test files. (C) 2011 Elsevier B. V. All rights reserved.
Keywords:
Compression
Encryption
Chaotic map
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Journal

Applied Soft Computing cover
Applied Soft Computing
IF:
6.6
Papers:
1.4W
Citations:
4.8W

Organization

C
City University of Hong Kong
Scholars:
2.3W
Papers: 3.0W
Citations: 6.1W
S
shenzhen university
Scholars:
4.5W
Papers: 3.4W
Citations: 72