$ ctf42

#classical-cipher CTF challenges

3 CTF challenges using classical-cipher from 3 CTFs (2021–2023), 3 with writeups.

Crypto · 3

Often combined with

#cyberchef 1 #multi-encoding 1 #rot47 1 #substitution 1 #cbc-mode 1

Challenges

Filter and sort these in the challenge browser →

Challenge CTF Weight Category Has
ClassicCrypto Tenable 2021 22.37 Crypto files wu 2
Cooking_the_Books DawgCTF 2021 23.29 Crypto files wu 1
cbc corCTF 2023 36.97 Crypto files wu 1