$ ctf42

#maritime-signal-flags CTF challenges

2 CTF challenges using maritime-signal-flags from 2 CTFs (2019–2021), 2 with writeups.

Crypto · 2

Often combined with

#visual-decoding 1

Challenges

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Challenge CTF Weight Category Has
Art_Class
#maritime-signal-flags#visual-decoding
 UMDCTF 2021 – Crypto files wu 2
Flags
#maritime-signal-flags
 picoCTF 2019 – Crypto files wu 1