# Sportsmanship

We're given a ciphertext and a key.

```
Ciphertext = ROEFICFEENEBZDLFPY
Key = UNPROBLEMATICDFGHKQSVWXYZ
```

Looks like it's a Playfair cipher.

You can read more about how the Playfair cipher works, as well as use a decryption tool, at <http://rumkin.com/tools/cipher/playfair.php>

```
OUACCDCALPMLYFAIRX
```

Original writeup (https://github.com/shawnduong/ctf-writeups/blob/master/2019-TJ/Cryptography/sportsmanship.md).