Reconfigurable Architecture for DNA Diffusion Technique-Based Medical Image Encryption

被引:6
作者
Devipriya, M. [1 ]
Brindha, M. [2 ]
机构
[1] SRM Inst Sci & Technol, Dept Comp Sci & Engn, Tiruchirappalli Campus, Tiruchirappalli, Tamil Nadu, India
[2] Natl Inst Technol, Dept Comp Sci & Engn, Tiruchirappalli, Tamil Nadu, India
关键词
Chaos sequence; pseudo random generator; zigzag permutation; circular shift; DNA; HYPER-CHAOTIC SYSTEM; SEQUENCE OPERATION; PERMUTATION; SCHEME; MAP;
D O I
10.1142/S0218126623500652
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The aim of this paper is to develop and test the features of reconfigurable architecture for its suitability for a secured medical image encryption. The image security has been ensured using three-level zigzag confusion, bit-level confusion, self-invertible matrix and DNA diffusion. The zigzag pixel-level and circular shift-based bit-level confusion offer a good scrambling to overcome the correlation among the pixels whereas the self-invertible matrix is used to have a better substitution effect. The DNA operations are performed to get new random-valued sequence for diffusion thereby the encryption process has been designed to get good protection with simple and effective coding. The concept of secured medical image encryption has been designed using verilog HDL and implemented using field programmable gate array (FPGA) with an intention to create a standalone embedded hardware for encryption. The analysis of the encryption includes correlation coefficient, entropy, Chi-square analysis, NPCR and UACI and so on, which gives a better result and conveysto us that it can resist the statistical and differential attacks. The synthesis report of the embedded hardware has been presented to understand the utilization of the FPGA.
引用
收藏
页数:30
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