發送短信 : Key cooperative attribute-based encryption

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