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FPGA Hardware Co‑Simulation of Image Encryption Using Stream Cipher Based on Chaotic Maps

机译:基于混沌映射的流密码,FPGA硬件共模拟图像加密

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摘要

In this paper, new model of image encryption system using stream cipher based on fixed point chaotic maps are designed using Xilinx System Generator (XSG) in efficient way. Two Pseudo Random Bit Generators (PRBGs) depends on chaotic maps are proposed that are Fixed Point XOR Chaotic Map-PRBG (FPXORCM-PRBG) and Fixed Point Cascade Chaotic Map-PRBG (FPCCM-PRBG). The randomness tests in the National Institute of Standards and Technology (NIST) are used to test the randomness measures of the proposed PRBGs. The security analysis, like histogram, correlation coefficient, information entropy, differential attack (NPCR and UACI) are used to analyze the proposed system. Also, FPGA Hardware Co-Simulation over Xilinx SP605 XC6SLX45T provided to test the reality of image encryption system. The results show that FPXORCM-PRBG and FPCCM-PRBG are suitable for image encryption based on stream cipher and outperforms some encryption algorithms.
机译:在本文中,使用基于固定点混沌映射的流密码的图像加密系统的新模型使用Xilinx系统发生器(XSG)以有效的方式设计。提出了两个伪随机比特发生器(PRBG)取决于混沌图,其是固定点XOR混沌图-PRBG(FPXORCM-PRBG)和固定点级联混沌映射 - PRBG(FPCCM-PRBG)。国家标准和技术研究所(NIST)的随机性测试用于测试所提出的PRBG的随机性测量。安全分析,如直方图,相关系数,信息熵,差异攻击(NPCR和UACI)分析所提出的系统。此外,FPGA硬件在Xilinx SP605 XC6SLX45T上进行了共同仿真,提供了测试图像加密系统的现实。结果表明,FPXORCM-PRBG和FPCCM-PRBG适用于基于流密码的图像加密,优于一些加密算法。

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