Wani CTF 2023 | pqqp

#wani_ctf_2023 import os from Crypto.Util.number import bytes_to_long, getPrime flag = os.environb.get(b"FLAG", b"FAKE{THIS_IS_FAKE_FLAG}") p = getPrime(1024) q = getPrime(1024) n = p * q e = 0x10001 d = pow(e, -1, (p - 1) * (q - 1)) m = b…

2023-12-08

Wani CTF 2023 | fusion

wani_ctf_2023 rsa branch_and_prune

#wani_ctf_2023 from Crypto.PublicKey import RSA RSAkeys = RSA.generate(2048) p = RSAkeys.p q = RSAkeys.q n = RSAkeys.n e = RSAkeys.e m = b"FAKE{<REDACTED>}" c = pow(int.from_bytes(m, "big"), e, n) mask = int("55" * 128, 16) r = p & mask mask = mask <</redacted>…

2023-12-07

Wani CTF 2023 | guess

wani_ctf_2023 数あてゲーム

#wani_ctf_2023 import os import random ANSWER = list(range(10**4)) random.shuffle(ANSWER) CHANCE = 15 def peep(): global CHANCE if CHANCE <= 0: print("You ran out of CHANCE. Bye!") exit(1) CHANCE -= 1 index = map(int, input("Index (space-s…