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           __   __  __    __    _____    __   _   
    ___    \ \\/ // \ \\ / //  |  ___|| | || | || 
   /   ||   \ ` //   \ \/ //   | ||__   | '--' || 
  | [] ||    | ||     \  //    | ||__   | .--. || 
   \__ ||    |_||      \//     |_____|| |_|| |_|| 
    -|_||    `-`'       `      `-----`  `-`  `-`  
     `-`

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發送短信 : Security analysis on luc-type cryptosystems using common modulus attack