$ ctf42

#ecm-factorization CTF challenges

2 CTF challenges using ecm-factorization from 2 CTFs (2024–2026), 2 with writeups.

Crypto · 2

Often combined with

#rsa 2 #oaep 1

Challenges

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Challenge CTF Weight Category Has
ezcoppersmith CyberSpace 2024 24.83 Crypto files wu 1
Hextrap V1T 2026 22.14 Crypto files wu 1