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 _    _    __   __    _____    __   __   ______   
| |  | ||  \ \\/ //  |__  //   \ \\/ // |      \\ 
| |/\| ||   \ ` //     / //     \ ` //  |  --  // 
|  /\  ||    | ||     / //__     | ||   |  --  \\ 
|_// \_||    |_||    /_____||    |_||   |______// 
`-`   `-`    `-`'    `-----`     `-`'   `------`

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發送短信 : Generic Internal State Recovery on Strengthened HMAC: n-bit Secure HMAC Requires Key in All Blocks