Encryption module commonly uses pseudo-random sequence encryption method of communication system for reference,and the m sequence is produced by Matlab software to encrypt the image in disorder.

• 加密模块借鉴通信系统中常用的伪随机序列加密的方法,运用软件产生m序列对置乱后的图像进行加密处理。 m序列的初始值作为密钥二。