$ ctf42

Going_Paperless

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Author: Nissen

Flag format: brunner{...}

Encoding Difficulty: Beginner Author: Nissen

Brunnerne Inc.™ is going paperless to reduce its environmental impact - upper management heard this makes the company look better to the shareholders.

So from now on, all documents must instead be typed on computer - before then being printed and filed in the physical archive because the senior managers consider digital storage "highly experimental".

I'm pretty sure there's a problem with our printer settings though, it's converting everything to numbers before printing - take a look:

I guess it makes sense, digital devices cannot actually store letters, punctuation, and other characters directly - only as numbers, stored in binary. So they need a way of converting a character to a number - this is called an encoding.

The output looks a bit like ASCII to me, one of the oldest and most used encodings for some of the most common characters. Take a look at the ASCII table below and see if you can see what was printed:

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