$ ctf42

#finite-field CTF challenges

2 CTF challenges using finite-field from 2 CTFs (2025–2026), 2 with writeups.

Crypto · 2

Often combined with

#brute-force 1 #matrix-inversion 1 #linear-algebra 1

Challenges

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Challenge CTF Weight Category Has
man_vs_matrix x3ctf 2025 – Crypto files wu 1
concord VuwCTF 2026 25.00 Crypto files wu 1