發送短信 : Finding flaws from password authentication code in Android apps

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