from multiprocessing.dummy import Pool as ThreadPool
import itertools
import string
import binascii
from Crypto.Cipher import DES


enc = '522c932a276554e5'
charset = string.ascii_lowercase + string.digits + '_'

pool = ThreadPool(64)


def dec(key):
	print key
	cipher = DES.new(bytes(key), DES.MODE_ECB)
	ciphertext = binascii.hexlify(cipher.encrypt(b'70c97cc1'))
	if ciphertext == enc:
		print(key)

keys = []


for key in itertools.product(charset, repeat=8):
	key = ''.join(key)
	keys.append(key)

pool.map(dec,keys)