$ ctf42

#iv-reuse CTF challenges

1 CTF challenge using iv-reuse from 1 CTF (2025), 1 with writeups.

Crypto · 1

Often combined with

#keystream-reuse 1 #aes-cfb 1

Challenges

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Challenge CTF Weight Category Has
My_BetterZED PwnMe 2025 Quals 24.95 Crypto files wu 1