A New Quaternion-Based Encryption Method for DICOM Images
作者： Mariusz Dzwonkowski , Michal Papaj , Roman Rykaczewski
关键词:
摘要: In this paper, a new quaternion-based lossless encryption technique for digital image and communication on medicine (DICOM) images is proposed. We have scrutinized slightly modified the concept of DICOM network to point out best location proposed scheme, which significantly improves speed in comparison with those originally embedded into advanced standard triple data algorithms. The algorithm decomposes two 8-bit gray-tone order perform encryption. implements Feistel like scheme by Sastry Kumar. It uses special properties quaternions rotations sequences 3D space each cipher rounds. are written as Lipschitz quaternions, modular arithmetic was implemented operations quaternions. A computer-based analysis has been carried out, obtained results shown at end paper.
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