Encryption handler

encryption.dart

void main() {
  final plainText = 'laiba123@A';
  final key = Key.fromUtf8('kf;WtH}yb/zTo!H=9}DIoS?2{_V&b/md');
  final iv = IV.fromLength(16);

  final encrypter = Encrypter(AES(key, mode: AESMode.ecb));

  final encrypted = encrypter.encrypt(plainText, iv: iv);
  final decrypted = encrypter.decrypt(encrypted, iv: iv);

  print(decrypted);
  print(encrypted.base64);
}

encryption.js

const CryptoJS = require('crypto-js');

const plainText = 'laiba123@A';
const key = CryptoJS.enc.Utf8.parse('kf;WtH}yb/zTo!H=9}DIoS?2{_V&b/md');
const iv = CryptoJS.lib.WordArray.random(16);

const cipherParams = CryptoJS.AES.encrypt(plainText, key, {
  iv: iv,
  mode: CryptoJS.mode.ECB, 
  padding: CryptoJS.pad.Pkcs7,
});

const encryptedText = cipherParams.toString();
console.log('Encrypted: ' + encryptedText);

const decryptedBytes = CryptoJS.AES.decrypt(cipherParams, key, {
  iv: iv,
  mode: CryptoJS.mode.ECB,
  padding: CryptoJS.pad.Pkcs7,
});

const decryptedText = decryptedBytes.toString(CryptoJS.enc.Utf8);
console.log('Decrypted: ' + decryptedText);

key_generator.py

import secrets
import string

def generate_random_string(length):
    characters = string.ascii_letters + string.digits + string.punctuation
    random_string = ''.join(secrets.choice(characters) for _ in range(length))
    return random_string

random_string = generate_random_string(32)
print(random_string)