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A chaotic-cipher-based packet body encryption algorithm for JPEG2000 images
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DOI：10.1016/j.image.2015.06.009.png)
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Abstract
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A chaotic-cipher-based packet body encryption algorithm for JPEG2000 images is proposed in this paper. In order to produce a compliant codestream, a 2-byte block encryption procedure including bit-wise exclusive OR and cyclic rotation operations is investigated. Moreover, a repeatedly encryption process is adopted to eliminate the undesirable marker codes during encryption. The repeatedly encryption process only introduces a negligible computational overhead. Both simulations and analysis show that the proposed algorithm is of high security and simplicity. Therefore, these good properties make the algorithm efficient to process and useful for image applications. (C) 2015 Published by Elsevier B.V.
Keywords:
Chaotic cipher
JPEG2000
Block encryption
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