摘要
提出了一种新的基于Sprott-O混沌映射与Arnold变换的数字图像加密算法.算法利用Sprott-O混沌映射生成随机序列,将图像翻转、像素置乱与替代相结合,实现了图像的加解密过程.理论分析和仿真实验表明该算法实现简单,安全性高,密文对密钥很敏感,比仅对图像置乱加密更安全,加密效果理想.
In this paper, a new image encryption algorithm based on Sprott-O chaos mapping and Arnold transformation is proposed, which uses Sprott-O mapping to generate stochastic sequence with the technique of image rotation, Arnold scrambling and pixel replacement, finally the encrypted image is obtained. It＇ s a simple and efficient algorithm with low computational complexity and high safety by theoretical analysis and simulation, the experimental results show this algorithm has highly sensitive key and much more safer than the encryption method of image scrambling.
出处
《河南科学》
2015年第10期1696-1700,共5页
Henan Science
基金
国家自然科学基金资助项目(61401383)
咸阳师范学院自然科学资助项目(10XSYK301)
陕西省科技厅自然科学基金项目(2014JM2-1002)
