$ ctf42

#bit-manipulation CTF challenges

4 CTF challenges using bit-manipulation from 4 CTFs (2021–2023), 4 with writeups. Mostly Crypto (50%) and Reverse (50%).

Crypto · 2 Reverse · 2

Often combined with

#reversing 2 #rsa-signature-forgery 1 #gf2 1 #custom-hash 1 #inverse-transform 1

Challenges

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Challenge CTF Weight Category Has
checker CSAW 2021 Quals 20.54 Reverse files wu 3
FailedHashFunction UTCTF 2022 – Crypto files wu 2
FusEd CCCamp 2023 25.00 Crypto files wu 1
hyperlink DiceCTF 2022 24.82 Reverse files wu 1