import random
import string
from base64 import b64decode, b64encode
from Crypto.Cipher import AES
from hashlib import md5
from Crypto.Hash import HMAC
from gzip import *

BLOCK_SIZE = 16
pad = lambda s: s + bytearray(((BLOCK_SIZE - len(s) % BLOCK_SIZE) * chr(BLOCK_SIZE - len(s) % BLOCK_SIZE)).encode("utf-8"))


#HMAC_SECRET = ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(16))
#key = md5(''.join(random.choice(string.ascii_letters + string.digits) for _ in range(32)).encode('utf8')).hexdigest()

HMAC_SECRET = 'oKPlvWBXvTebRGiN'
key = '536a784f76a4ec72951e3b16f3473d9e'

def encrypt(raw):
    raw = raw + ':user' + HMAC_SECRET
    raw = compress(raw.encode("utf-8"))
    print('len_before_pad: ' + str(len(raw)))
    raw = pad(raw)
    cipher = AES.new(key)
    print('len_after_pad: ' + str(len(cipher.encrypt(raw))))


raw = input('Input: ')
encrypt(raw)