UIUCTF 2021: phpfuck
![UIUCTF 2021: phpfuck](https://mystiz.hk/images/2021-08-10-uiuctf/background.png)
This is another time @blackb6a unites and plays UIUCTF together. It was my fourth time playing UIUCTF, and I still found the challenges fun. Although the crypto challenges are relatively easy, I had a lot of fun solving phpfuck with @02E774.
UIUCTF 2020: nookcrypt
nookcrypt is a netcat service that have no source code released. There are two functions exposed:
- Gets an encrypted copy of the flag (and the message hello world).
- Encrypts an arbitrary message.