AES是一种对称密码算法，在密码学中有重要的意义，这个文件能让你的这个算法有充分的了解里面还有一些重要过程的编码实现，用c语言实现-AES is a symmetric encryption algorithm, cryptography has important significance. This file allows you to fully understand the algorithm and some important processes inside the code to achieve, with the c language.