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           __   __    ______   _    _     ______  
    ___    \ \\/ //  /_   _// | || | ||  /_   _// 
   /   ||   \ ` //     | ||   | || | ||    | ||   
  | [] ||    | ||     _| ||   | \\_/ ||   _| ||   
   \__ ||    |_||    /__//     \____//   /__//    
    -|_||    `-`'    `--`       `---`    `--`     
     `-`

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發送短信 : Secure transaction protocol analysis : models and applications