$ ctf42

#ecb CTF challenges

3 CTF challenges using ecb from 3 CTFs (2021–2024), 3 with writeups.

Crypto · 3

Often combined with

#known-plaintext 2 #des 1 #block-reordering 1 #mac-forgery 1

Challenges

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Challenge CTF Weight Category Has
TagSeries1 WolvCTF 2024 35.25 Crypto files wu 2
QR_Codebook VolgaCTF 2021 Quals 32.73 Crypto files wu 1
Fake_Encryption WORMCON 2021 – Crypto files wu 1