decryptFromBase64 static method
Implementation
static Future<String> decryptFromBase64(String data, String keyStr) async {
final key = Key.fromUtf8(keyStr);
final iv = IV.fromLength(16);
final encrypt = Encrypter(AES(key, mode: AESMode.ecb));
final decrypted = encrypt.decrypt(Encrypted(base64Decode(data)), iv: iv);
return decrypted;
}