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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >A Systematic Methodology for Multi-Images Encryption and Decryption Based on Single Chaotic System and FPGA Embedded Implementation
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A Systematic Methodology for Multi-Images Encryption and Decryption Based on Single Chaotic System and FPGA Embedded Implementation

机译：基于单混沌系统和FPGA嵌入式实现的多图像加密和解密的系统方法

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摘要

A systematic methodology is developed for multi-images encryption and decryption and field programmable gate array (FPGA) embedded implementation by using single discrete time chaotic system. To overcome the traditional limitations that a chaotic system can only encrypt or decrypt one image, this paper initiates a new approach to designn-dimensional (n-D) discrete time chaotic controlled systems via some variables anticontrol, which can achieve multipath drive-response synchronization. To that end, the designedn-dimensional discrete time chaotic controlled systems are used for multi-images encryption and decryption. A generalized design principle and the corresponding implementation steps are also given. Based on the FPGA embedded hardware system working platform with XUP Virtex-II type, a chaotic secure communication system for three digital color images encryption and decryption by using a 7D discrete time chaotic system is designed, and the related system design and hardware implementation results are demonstrated, with the related mathematical problems analyzed.
机译：通过使用单个离散时间混沌系统，开发了一种用于多图像加密和解密以及现场可编程门阵列（FPGA）嵌入式实现的系统方法。为了克服传统的混沌系统只能加密或解密一张图像的局限性，本文提出了一种通过一些变量反控制来设计n维离散时间混沌控制系统的新方法，该方法可以实现多径驱动器响应同步。为此，所设计的n维离散时间混沌控制系统被用于多图像加密和解密。还给出了通用的设计原理和相应的实现步骤。基于XUP Virtex-II型的FPGA嵌入式硬件系统工作平台，设计了一种利用7D离散时间混沌系统进行三幅数字彩色图像加密解密的混沌安全通信系统，并进行了相关系统设计和硬件实现演示，并分析了相关的数学问题。

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