DES算法matlab实现数字图像加密 -Image encryption DES algorithm matlab

运用matlab实现DES加密解密，可以实现对字符串加密和对文档加密解密，论文-Matlab implementation to use DES encryption and decryption can be achieved on the string encryption and decryption of encrypted documents, thesis

对DES、RSA和序列密码三种典型的加密方法进行了叙述, 对于神经网络在序列密码的 研究进行了简要的介绍, 提出现代数字电子技术应该与密码学理论研究相互渗透、相互促进的基本思想。-Three classical encryption methods DES,RSA and stream ciphers are described.

main函数文件输入明文，调用秘钥留生成函数（get_k文件）以及加解密函数（encrypt_fcn文件），完成对明文的加密和解密(Encryption and decryption of plaintext are accomplished by inputting main function file into plaintext, calling secret key generation function (get_k file) and encryption and decryptio