# Pastebin K1oAE0t0
                IvParameterSpec ivSpec = new IvParameterSpec(iv);
                SecretKeySpec skeySpec = new SecretKeySpec(key, "AES");

                Cipher cipher = Cipher.getInstance("AES/CFB/PKCS5PADDING");
                cipher.init(Cipher.DECRYPT_MODE, skeySpec, ivSpec);

                originalKey = cipher.doFinal(java.util.Base64.getDecoder().decode(keyIvPolicyHash.get("key")));