> For the complete documentation index, see [llms.txt](https://onyb.gitbook.io/roll-your-own-crypto/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://onyb.gitbook.io/roll-your-own-crypto/conclusion.md).

# Conclusion

<img src="/files/wY9H0rUQWRVSqRER1MlP" alt="" data-size="original">

### You don't need software bugs to break cryptography

![Anti-clockwise: Side Channel test bench; Side Channel Results ; Electromagnetic probes](/files/-LxpgdK7cFs2QaMlcpsX)

### Bonus

Here are some fun cryptography exercises you can try.

* The [Cryptopals Crypto Challenges](https://cryptopals.com/).
* [Toy implementations](https://github.com/cslashm/ECPy) of popular elliptic curves.