#nonce-reuse CTF challenges

7 CTF challenges using nonce-reuse from 7 CTFs (2018–2025), 7 with writeups. Mostly Crypto (57%) and Misc (29%).

Crypto · 4 Misc · 2 Web · 1

Often combined with

#schnorr 2 #keystream-recovery 1 #aes-ctr 1 #chacha20-poly1305 1 #tag-forgery 1 #lattice 1 #ecdsa 1 #signature-forgery 1 #aes-gcm 1 #forbidden-attack 1

Challenges

Filter and sort these in the challenge browser →