$ ctf42

#substitution-permutation-network CTF challenges

1 CTF challenge using substitution-permutation-network from 1 CTF (2021), 1 with writeups.

Crypto · 1

Often combined with

#key-recovery 1 #block-cipher 1 #chosen-plaintext 1

Challenges

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Challenge CTF Weight Category Has
A_Simple_SP_Box
#substitution-permutation-network#block-cipher#chosen-plaintext#key-recovery
 DCTF 2021 – Crypto files wu 2