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

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Text this: Formal verification of security protocols