Amazing

Reversing a Python marshal bytecode maze generator seeded by an LCG to find the escape path.

June 16, 2026 · 1 min · 117 words · Th3B0yWh0L1v3d

LCG Seed Squared — DalCTF 2026

A homemade LCG-as-cipher multiplies each flag byte by a deterministic state independent of the plaintext — the known DalCTF{ prefix recovers one state, and replaying the generator divides out the rest. The lost seed is a red herring.

June 6, 2026 · 5 min · 1011 words · Th3B0yWh0L1v3d