很重要==>資料的加密與解密(1)-對稱金鑰加密演算法

http://vito-note.blogspot.com/2012/05/1.html

http://vito-note.blogspot.com/2012/05/2.html

http://radio-idea.blogspot.com/2017/10/c-aes-encryptdecrypt-and-base64.html