> For the complete documentation index, see [llms.txt](https://picoctf2022.haydenhousen.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://picoctf2022.haydenhousen.com/cryptography.md).

# Cryptography

- [basic-mod1](https://picoctf2022.haydenhousen.com/cryptography/basic-mod1.md)
- [basic-mod2](https://picoctf2022.haydenhousen.com/cryptography/basic-mod2.md)
- [diffie-hellman](https://picoctf2022.haydenhousen.com/cryptography/diffie-hellman.md)
- [morse-code](https://picoctf2022.haydenhousen.com/cryptography/morse-code.md)
- [NSA Backdoor](https://picoctf2022.haydenhousen.com/cryptography/nsa-backdoor.md)
- [Sequences](https://picoctf2022.haydenhousen.com/cryptography/sequences.md)
- [substitution](https://picoctf2022.haydenhousen.com/cryptography/substitution.md)
- [Sum-O-Primes](https://picoctf2022.haydenhousen.com/cryptography/sum-o-primes.md)
- [Very Smooth](https://picoctf2022.haydenhousen.com/cryptography/very-smooth.md)