Key reconstructor for TeslaCrack

import sys
import os
import struct
from Crypto.Cipher import AES
import binascii

primes = [
     2,
     3,
     3,
     3,
     3,
     5,
     53,
     223,
     58741,
     893213,
     28970877851,
     117841794409,
     25021050921059072897,
     3657158624554318168403263120870530469,
     5796541384453701088685497253162999309444909778482679302833,
]

def padkey(str):
    while len(str) < 32:
        str = '0' + str
    return str

iv = b'\x27\x51\x0A\xBF\x31\x8D\x69\x26\x17\x78\x97\x2B\x98\x7D\xF6\x9F'

n=0

with open("sample3.bin", "rb") as f:
    data = f.read()
    for i in xrange(1<<len(primes)):
        x = 1
        for j in xrange(len(primes)):
            if i & 1<<j:
                x *= primes[j]
        if 1<<224 < x < 1<<256 and AES.new(binascii.unhexlify('%064x' % x), AES.MODE_CBC, iv).decrypt(data).startswith('\r\n'):
            print hex(x).upper() + " " + AES.new(binascii.unhexlify('%064x' % x), AES.MODE_CBC, iv).decrypt(data)
            n+=1
print n