Olympic CTF 2014: Crypting

Category: Figure Crypting (Crypto) Points: 10 Author: touzoku Description:

43wdxz 4edcvgt5 65rdcvb 6tfcgh8uhb 9ijn

Write-up

The given ciphertext is a keyboard map. The shape of each group of characters on a US QWERTY keyboard spells out a single letter.

• 43wdxz → S
• 4edcvgt5 → O
• 65rdcvb → C
• 6tfcgh8uhb → H
• 9ijn → I

The flag is ‘sochi’.

Other write-ups and resources

• http://cybersecurity.cci.fsu.edu/olympic-ctf-2014-writeup/
• http://maroueneboubakri.blogspot.de/2014/02/olympic-ctf-sochi-2014-crypt-100-writeup.html
• http://onthesystemsoftheworld.blogspot.de/2014/02/olympic-ctf-sochi-2014-crypting-10.html
• http://delimitry.blogspot.ru/2014/02/olympic-ctf-2014-writeups.html
• http://ctfwriteups.blogspot.jp/2014/02/olympic-ctf-2014-figure-crypting-10.html
• Chinese