發送短信

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  ______    ______   _    _      ___     _    _   
 /_   _//  /_   _// | || | ||   / _ \\  | |  | || 
 `-| |,-    -| ||-  | || | ||  | / \ || | |/\| || 
   | ||     _| ||_  | \\_/ ||  | \_/ || |  /\  || 
   |_||    /_____//  \____//    \___//  |_// \_|| 
   `-`'    `-----`    `---`     `---`   `-`   `-`

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發送短信 : A web demo suite for basic number theory concepts used in symmetric cryptography (AES)