Cryptanalyzing a Medical Privacy Protection Scheme based on DNA Coding and Chaos
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Recently, a medical privacy protection scheme (MPPS) based on DNA encoding and chaos was proposed in [IEEE Trans. Nanobioscience, vol. 16, pp. 850--858, 2017]. This paper reports some properties of MPPS and proposes a chosen-plaintext attack on it. In addition, the other claimed superiorities are questioned from the viewpoint of modern cryptography. Both theoretical analysis and experimental results are provided to support the feasibility of the attack and other security defects. The proposed cryptanalysis will promote proper application of DND encoding in protecting multimedia data including DICOM image.
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