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  ______   _    _   __    __    ______            
 /_   _// | || | || \ \\ / //  /_   _//   ____    
   | ||   | || | ||  \ \/ //    -| ||-   |    \\  
  _| ||   | \\_/ ||   \  //     _| ||_   | [] ||  
 /__//     \____//     \//     /_____//  |  __//  
 `--`       `---`       `      `-----`   |_|`-`   
                                         `-`

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發送短信 : Implementing security for internet of things (IoT)