#!/usr/bin/env python3

from lxml import etree
from signxml import XMLSigner, XMLVerifier

data_to_sign = "<Test/>"
cert = open("cert.pem").read()
key = open("privkey.pem").read()
root = etree.fromstring(data_to_sign)
signed_root = XMLSigner().sign(root, key=key, cert=cert)
verified_data = XMLVerifier().verify(signed_root, x509_cert = cert).signed_xml