cryto01.py

# from cryptography
# key = None
# iv = None
#
# cipher = None
# encryptor = None
# ciphertext = None
# decryptor = None
# plaintext = None

from Crypto import Random
from Crypto.Cipher import AES
from base64 import b64decode
from base64 import b64encode


def decrypt(cipher, ciphertext):
    enc = b64decode(ciphertext)
    iv = enc[:16]
    decryptor = AES.new(cipher, AES.MODE_CBC, iv)
    result = decryptor.decrypt(enc[16:]).decode('utf8')
    return result


def encrypt(cipher, plaintext):
    iv = Random.new().read(AES.block_size)
    encryptor = AES.new(cipher, AES.MODE_CBC, iv)
    ciphertext = b64encode(iv + encryptor.encrypt(plaintext))
    return ciphertext


def main():
    cipher = 'batata0000000000'
    plaintext = 'secret0000000000'

    ciphertext = encrypt(cipher, plaintext)
    print(ciphertext)

    print(decrypt(cipher, ciphertext))

if __name__ == '__main__':
    main()