Posts for tag gctf

• [GCTF 2022] Cycling

  Robin Jadoul

  Jul 05, 2022

  gctf, organizers, crypto, RSA, factoring

  Pack out your quantum computer and perform 2^1025-3 encryptions to solve this challenge. Good luck doing this in 48h.

• [GCTF 2022] Treebox

  Robin Jadoul

  Jul 04, 2022

  gctf, organizers, misc, pyjail

  I think I finally got Python sandboxing right.