> For the complete documentation index, see [llms.txt](https://writeups.ayweth20.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse.md).

# Cryptanalyse

- [Message lointain](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/message-lointain.md)
- [Entretien galactique](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/entretien-galactique.md)
- [R1R2](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/r1r2.md)
- [Saturn Cipher](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/saturn-cipher.md)
- [Planètes anormales](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/planetes-anormales.md)
- [Spacemark](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/spacemark.md)
- [You spin me round](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/you-spin-me-round.md)
- [Dérive dans l'espace](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/derive-dans-lespace.md)
- [Lunette cosmico galactique](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/lunette-cosmico-galactique.md)
- [Jupiter Cipher](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/jupiter-cipher.md)
- [Courbe de Lancement](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/courbe-de-lancement.md)
- [More Space](https://writeups.ayweth20.com/2025/404ctf-2025/cryptanalyse/more-space.md)