$ ctf42

#aes-ecb CTF challenges

6 CTF challenges using aes-ecb from 6 CTFs (2018–2024), 6 with writeups. Mostly Crypto (83%) and Misc (17%).

Crypto · 5 Misc · 1

Often combined with

#block-shuffling 1 #predictable-rng-seed 1 #padding 1 #ecb-oracle 1 #known-plaintext 1 #ecb-penguin 1 #ppm-image 1 #custom-block-chaining 1 #chosen-prefix 1 #byte-at-a-time-decryption 1

Challenges

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Challenge CTF Weight Category Has
AES-ABC picoCTF 2019 – Crypto files wu 3
staple-AES 0x41414141 2021 – Crypto files wu 2
Block_construction BraekerCTF 2024 24.72 Crypto files wu 1
Blocked2 WolvCTF 2024 35.25 Crypto files wu 1
ExtremelyCoolBook PatriotCTF 2022 24.52 Crypto files wu 1
FederationWorkflowSystem CTFZone 2018 Quals 23.92 Misc files wu 1