This app decodes the Roche cipher.
Source: https://knihya.cz/transpozicni-sifra-plukovnika-roche/
python3 main.py key text
Key: MAGNITUDA
Encoded text: VBTTNDEDYVEOMRCEIEMEUHSOLKCKSTXSYOOOVUXXTBUIY
python3 MAGNITUDA VBTTNDEDYVEOMRCEIEMEUHSOLKCKSTXSYOOOVUXXTBUIY