基于硬件平台的图像加密算法

Image Encryption Algorithm Based on the Hardware Platform

摘要: 图像是网络信息传递的一种重要载体。随着互联网的发展，图像的传输也变得更加便捷。然而，这些图像往往携带了一些涉密信息。近年来，网络安全事件的频繁发生，图像内容的安全备受国内外学者的广泛关注。传统的图像加密大都是基于计算机软件而设计的。近年来，随着硬件平台的发展，DSP和FPGA以其处理速度、逻辑运算能力和低成本的特点越来越多地被应用于图像加密领域。综述图像加密的技术，特别是对基于DSP的图像加密算法和基于FPGA的图像加密算法进行了详细描述，并讨论了这两种算法的优缺点。最后，对FPGA在图像加密领域的应用前景进行了展望。

Abstract: The image is an important carrier under the network platform. With the development of the In-ternet, the image transmission becomes fast and easy. These images always carry a lot of confi-dential information. In recent years, the image security attracts the attention of scholars at home and abroad. Traditional image encryption is mostly designed based on the software. In recent years, with the development of hardware platforms, DSPs and FPGAs are applied to image encryption for its processing speed, logic computing power and low cost. This paper introduces the technology of image encryption. Meanwhile, this paper mainly describes the image encryption algorithm based on DSP and the image encryption algorithm based on FPGA. Their advantages and disadvantages are also discussed. Finally, we prospect the application prospect of FPGA in the field of image encryption.