提出了一种基于混沌加密算法和传统加密算法的混沌加密系统,并采用FPGA技术进行了硬件开发.根据离散化和数字化技术,将Henon映射和Logistic映射作离散化处理,采用Verilog HDL语言和FPGA技术产生迭代序列,结合传统加密算法,基于Xilinx的FPGA开发平台进行了硬件实验研究,并给出了该系统通过互联网上实现了文件加密和解密的通信实验,结果显示具有网络通信的应用潜力.
In this paper, a kind of chaos encryption system is presented based on chaotic encryption algorithm and traditional encryption algorithm, and hardware is implemented by using the FPGA technology. According to discrete and digital technologies, Henon Map and Logistic Map are applied, and chaotic iteration sequence is generated by using Verilog HDL language and FPGA technology. By combining the traditional iteration algorithm, the files are encrypted and decrypted. Based on Xilinx FPGA exploitation platform, secret communication experiments on Internet are successefully. The devise has potential prospective applications in intemet secrecy communication.