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

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發送短信 : Encrypted control of networked cyber-physical systems