> For the complete documentation index, see [llms.txt](https://simon-6.gitbook.io/simoncyber/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://simon-6.gitbook.io/simoncyber/ctf-writeups/picoctf-2025/cryptography.md).

# Cryptography

<figure><img src="/files/wxGvHyMt8yTuZXIGa9i4" alt=""><figcaption></figcaption></figure>