TJCTF 2022 – crypto/flimsy-fingered-latin-teacher

Looks like gibberish…

Prompt

Solution

So the given text ykvyg}pp[djp,rtpelru[pdoyopm| looks like gibberish, but the challenge name and prompt give us a hint; it might be a keyboard layout related problem.

Manually

We know that the flags have the format of tjctf{some_message}, starting with tjctf{ and ending with }. The given text ends with a |. Looking at the a ‘qwerty’ keyboard layout, that’s one key to the right of the } key. Hmm…

We can get the flag by shifting every character one key to the right on the keyboard.

Automatically

Submit the provided text into a keyboard shift cipher solver on dcode.fr. This gives us all the possible results when shifting on the keyboard with different keyboard layouts:

Flag

The flag is: tjctf{oopshomerowkeyposition}