slug: santas_lcg
title: "Santa's LCG"
description: "Santa's Inteligence Office bragged their “quantum” token generator was unbreakable, but the promo leak reveals consecutive outputs from an old Linear Congruential Generator. Predict the next 32-bit output and submit it to /flag?token= to claim the secret information."
category: "crypto"
points: 800
is_visible: true
complexity: 8
zip: "local"
flag_plaintext: "CTF{lcg_m4d3_1ns3cure_t0k3ns}"
hints:
  - text: "The page shows several consecutive 32-bit outputs from an LCG (mod 2^32). Try small integer arithmetic and inspect relations."
    penalty_points: 10