一个类化的完整的aes实现方案.包含128bit 256 bit.不同的加密强度的完整的aes算法.同时也是一个成型的程序.可以用来直接加密需要保护的文件.-A class of a complete program of aes realize. Contains 128bit 256 bit. Different encryption strength of a complete aes algorithm. It is also a molding process. Can be used