Rating: 5.0

## Cryptography

### Wheel Barrow

We have been given this text `hc0rhh3r3ylmsrwr___lsewt_03raf_rpetouin$_3tb0_t`

look at the name of the task and look for cipher related to wheel barrow.

We found this cipher [Burrows–Wheeler Transform](https://www.dcode.fr/burrows-wheeler-transform)

Just use this online Burrows–Wheeler Transform decoder.

The decoder gave several possible options.

![image](https://github.com/zer00d4y/writeups/assets/128820441/94110e04-ebc3-434d-8dbf-04e3f0fcecd7)

Take the given `burr0w_wh33ler_transform_is_pr3tty_c00l_eh$th3_` option and change `th3_` to the beginning of the sentence and wrap the flag in uoftctf{}

FLAG:

uoftctf{th3_burr0w_wh33ler_transform_is_pr3tty_c00l_eh$}

Original writeup (https://github.com/zer00d4y/writeups/blob/main/CTF%20events/UofTCTF/UofTCTF_2024.md).