$ ctf42

#invalid-curve-attack CTF challenges

4 CTF challenges using invalid-curve-attack from 4 CTFs (2021–2026), 4 with writeups.

Crypto · 4

Often combined with

#ecc 2 #ecdh 1 #crt 1

Challenges

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Challenge CTF Weight Category Has
tiramisu
#invalid-curve-attack#ecdh
 GoogleCTF 2021 – Crypto files wu 1
capy256k1
#invalid-curve-attack#ecc#crt
 KubSTU 2026 24.83 Crypto files wu 1
Invincible
#invalid-curve-attack#ecc
 FwordCTF 2021 24.42 Crypto files wu 1
kipferl
#invalid-curve-attack
 hxp 2021 99.41 Crypto files wu 1