My second foray into the world of CTF, and really enjoying this one. The redpwnCTF site is well worth a visit while the challenges are running (they close at 2100 UTC +1 on 25th June 2020) and they may open them up post event.

Got a couple of solutions for my team in the cryptography section which I produce below; these will remain password protected with full flag until after the event.

12-shades-of-redpwn (Cryptography)

pseudo-key (Cryptography)

ropes (Reversing)