Tous les articles par sandelan
[WhiteHatvn 2018] [Misc 100 – Misc02] Write Up
Description
Find the private key and decrypt the secret inside the picture
material.grandprix.whitehatvn.com/misc02
MD5: 2cad267bb17d5f31551c0d8713e41a77Hint 1 : saintgiong.jpg.pgp
Hint 2 : outguess
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[MeePwn 2017] [Crypto 100 – MATH] Write Up
Description
I hack your brain!
Et nous avons un script en python nommé hack.py dont voici le contenu.
#!/usr/bin/python from Crypto.Util.number import * from hashlib import md5 flag = "XXX" assert len(flag) == 14 pad = bytes_to_long(md5(flag).digest()) hack = 0 for char in flag: hack+= pad hack*= ord(char) print hack #hack = 64364485357060434848865708402537097493512746702748009007197338675 #flag_to_submit = "MeePwnCTF{" + flag + "}"
Continuer la lecture de [MeePwn 2017] [Crypto 100 – MATH] Write Up