> 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/2022/dvctf-2022/reverse/cryptovault.md).

# CryptoVault

{% file src="/files/a8cRjTIfCyNKWhLXplbx" %}

**Category:** Reverse - **Points:** 500 (at the beginning) then 500 (at the end) - **Difficulty:** Hard - **Solves:** 4\
**Description:** I made a very secure application to store my secret. Do you think you can break it?

**Infos:**

> A .apk file is provided (vault.apk)

**Solution:**

<details>

<summary>🚩 FLAG</summary>

```
dvCTF{}
```

</details>