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

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Text this: Improved security analyses for CBC MACs