2023-12-23から1日間の記事一覧

CakeCTF 2023 | Simple Signature

#CakeCTF2023 import os import sys from hashlib import sha512 from Crypto.Util.number import getRandomRange, getStrongPrime, inverse, GCD import signal flag = os.environ.get("FLAG", "neko{cat_does_not_eat_cake}") p = getStrongPrime(512) g =…