from Crypto.Cipher import AES
from random import randint
from time import time
from struct import pack

BS = AES.block_size
pad = lambda s: s + '\x00' * (BS - len(s) % BS)

def randkey():
    random_number = randint(0, int(time())) & 0xFFFFFF
    key = pack('<I', random_number)
    return pad(key)

def encrypt(data, key1, key2):
    data = pad(data)
    print "data:"
    print data
    print data.encode('hex')
    
    c1 = AES.new(key1, AES.MODE_ECB)
    enc = c1.encrypt(data)
    
    print "enc:"
    print enc
    print enc.encode('hex')
    
    c2 = AES.new(key2, AES.MODE_ECB)
    return c2.encrypt(enc)


secret = 'Well done! your flag is: <redacted>'
key1 = randkey()
key2 = randkey()

print "key1"
print key1
print key1.encode('hex')
print "key2"
print key2
print key2.encode('hex')

ct = encrypt(secret, key1, key2)

print "ct:"
print ct
print ct.encode('hex')

print "hex"
print ct.encode('hex')