AES ECB 128 bit encryption in python3. 100% working

aes-ecb-128.py

from Crypto import Random
from Crypto.Cipher import AES
import base64
from pkcs7 import PKCS7Encoder

# References
# AES 128 Bit ECB mode https://www.devglan.com/online-tools/aes-encryption-decryption
# https://stackoverflow.com/a/64545969


def encrypt_data(text_data):
                   
    #could just be like 'abcdefghwhatever' 
    encryption_key = "YOUR SECRET KEY HERE" #You can retreive from external file if you want

    #convert to bytes. same as bytes(encryption_key, 'utf-8')
    encryption_key = str.encode(encryption_key); 
    
    #padding
    encoder = PKCS7Encoder();
    raw = encoder.encode(text_data) # Padding
    iv = Random.new().read(AES.block_size ) #AES.block_size defaults to 16

    cipher = AES.new( encryption_key, AES.MODE_ECB) 
    encrypted_text = base64.b64encode(cipher.encrypt( str.encode(raw) ) ) 
    return encrypted_text;