广西师范大学学报（自然科学版） ›› 2019, Vol. 37 ›› Issue (3): 60-70.doi: 10.16088/j.issn.1001-6600.2019.03.007

• • 上一篇    下一篇

图像并行加密算法在手持设备上的应用研究

周戎龙,罗玉玲*,闭金杰,岑明灿,丘森辉,廖志贤   

  1. 广西师范大学电子工程学院,广西桂林541004
  • 出版日期:2019-07-12 发布日期:2019-07-12
  • 通讯作者: 罗玉玲(1984—),女,湖北武汉人,广西师范大学副教授。E-mail: yuling0616@mailbox.gxnu.edu.cn
  • 基金资助:
    国家自然科学基金(61603104);广西自然科学基金(2017GXNSFAA198180,2015GXNSFFBA139256,2016GX NSFCA380017);广西研究生教育创新计划项目(YCSZ2017005);广西无线宽带通信与信号处理重点实验室2017年主任基金

Applications of Image Parallel Encryption Algorithm in Handheld Devices

ZHOU Ronglong,LUO Yuling*,BI Jinjie,CEN Mingcan,QIU Senhui,LIAO Zhixian   

  1. College of Electronic Engineering, Guangxi Normal University, Guilin Guangxi 541004,China
  • Online:2019-07-12 Published:2019-07-12

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摘要： 本文针对一些传统图像串行加密算法安全性能低、加密时间长的缺陷,提出一种新型的图像并行加密算法。首先,将明文图像的初始信息设定为并行量化方案的输入信号,生成量化小数;然后设计基于混沌系统的混沌置乱和扩散矩阵,通过混淆与扩散结构对图像数据进行并行加密;最后通过Metal并行框架在iOS手持设备的GPU上进行了算法的验证与实现。测试结果表明该方案能够有效提高图像加密效率,且具有高度的明文敏感性,适合于图像数据的安全实时通信,也为通过GPU并行处理图像数据提供了新的方案。

关键词: 图像信息安全, iOS手持设备, GPU, 安全性

Abstract: This paper proposes a new image parallel encryption algorithm aiming at the defects of some traditional image serial encryption algorithms, such as low security and long encryption time. First, the initial information of the plain image is set as an input signal of a parallel quantization scheme to generate a quantized decimal. Then the chaotic scrambling and diffusion matrix based on the chaotic system is designed, and the image data is encrypted in parallel by the confusion and diffusion structure. The algorithm is verified and implemented on the GPU of the iOS handheld device through the Metal parallel framework. The test results show that the scheme can effectively improves the image encryption efficiency, and has a high degree of sensitivity to the plaintext, which is suitable for the secure real-time communication of image data, and provides a new scheme for parallel processing of image data through the GPU.

Key words: image information security, iOS handheld devices, GPU, security

中图分类号: 

  • TP183
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