陈刚等人近来提出了一种新颖的自适应图像加密算法,可有效地抵抗已知明文分析.分析表明该算法易受选择明文攻击.为提高其安全性和加密速度,基于自适应排列提出了一种新的快速图像加密算法.实验结果表明,与现有的两个优秀的加密算法相比,新的算法在安全性和加密速度方面均有更好的表现.
Recently,Chen etc.proposed a novel self-adaptive image encryption algorithm.The analysis shows that it is vulnerable to chosen plaintext attack.Then the original algorithm is revised based on self-adaptive image encryptoin technique.The experiments show that the revised algorithm has better performance on both security and speed than two known algorithms.