AES算法CBC模式的数字图像加密研究

Research on digital image encryption based on AES in CBC mode

随着全球数字化和网络化的迅猛发展,数字图像的安全问题也日益突出。针对数字图像的信息安全问题,研究了基于AES加密算法的数字图像加密保护方法。通过分析AES加密算法的实现原理,对比加密算法的ECB模式和CBC模式,选取了更加安全的CBC模式完成数字图像加密。实验显示图像的加密效果,通过像素分布图进行效果分析,证明该方法能够较好的实现图像加密效果。

With the rapid development of global digitization and networking,the security issues of digital images have become increasingly prominent.Aiming at the information security of digital images,a digital image encryption protection method based on AES encryption algorithm was studied.By analyzing the implementation principle of the AES encryption algorithm,and comparing the ECB mode and CBC mode of the encryption algorithm,the more secure CBC mode is selected to complete digital image encryption.The experiment shows the encryption effect of the image,and the effect analysis is carried out through the pixel distribution map,which proves that this method can achieve better image encryption effect.