SHA2017 - Junior CTF - Transposition - Cryptography

SHA2017 - Junior CTF - Transposition - Cryptography

Problem

We intercepted this secret message. We believe it is using a transposition cipher. Can you decipher it?

Citgoe6b0 oohern636 nni.tg1e2 gssThe58e rschii366 aohess3ae tlafcf3dc uvllhl24f lilaaa730 aneglg506 tgnfl{33}

Solution

The cipher used is Scytale and using this tool to decrypt by rotating the band 11 times returns the flag.

FLAG: flag{66153332753b3e86ad4303062e6ecf06}