期刊
JOURNAL OF NETWORK AND COMPUTER APPLICATIONS
卷 32, 期 4, 页码 788-794出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jnca.2009.02.009
关键词
Chaos; Digital medical images protection; Image scrambling; True random number sequences
类别
资金
- Australia Research Council (ARC) [IDS LP0455324, DP0985838]
- Australian Research Council [DP0985838] Funding Source: Australian Research Council
This paper proposes a novel pixel-based scrambling scheme to protect, in an efficient and secure way, the distribution of digital medical images. To provide an efficient encryption of a large volume of digital medical images, the proposed system uses simple pixel level XOR operation for image scrambling in an innovative way such that structural parameters of the encryption scheme have become a part of the cryptographic key. The cryptographic key of this operation is a true random number sequence generated from multi-scroll chaotic attractors. Cryptanalysis is provided. Simulation experiment has also validated the effectiveness of the proposed system. (C) 2009 Elsevier Ltd. All rights reserved.
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