Secondly, a color image encryption algorithm based on diffusion function and hyperchaos system is proposed, which is used to remedy the drawback of visual secret sharing method.

• 然后针对常用的彩色图像加密算法----基于秘密共享的图像加密算法会给网络传输带来巨大压力,提出了一种基于扩散函数和超混沌系统的彩色图像加密算法;