#AES
from Crypto.Cipher import AES
from Crypto import Random
from Crypto.Util import Counter

#generating the key
key = Random.get_random_bytes(32)

#encryption function
def encrypt_fun(key, origin_text):
    counter = Counter.new(128)
    c = AES.new(key, AES.MODE_CTR, counter=counter)
    en = c.encrypt(origin_text)
    return en

def decrypt_fun(key, cipher_text):
    counter = Counter.new(128)
    c = AES.new(key, AES.MODE_CTR, counter=counter)
    de = c.decrypt(cipher_text)
    return de

txt = "www.google.com".encode()
e = encrypt_fun(key, txt)
de = decrypt_fun(key, e)
print(e)
print(de.decode())