def test_srp(self):
for instance in srp_instances:
if instance["Exception"]:
continue
server = TestServer()
server.setup(instance["Username"],
bytes.fromhex(instance["Modulus"]),
base64.b64decode(instance["Verifier"]))
server_challenge = server.get_challenge()
usr = self.user(instance["Password"],
bytes.fromhex(instance["Modulus"]))
client_challenge = usr.get_challenge()
client_proof = usr.process_challenge(
base64.b64decode(instance["Salt"]), server_challenge,
PM_VERSION)
server_proof = server.process_challenge(
client_challenge, client_proof)
usr.verify_session(server_proof)
self.assertIsNotNone(
client_proof, "SRP exchange failed, "
"client_proof is none for instance: {}...".format(
str(instance)[:30]))
self.assertEqual(
server.get_session_key(), usr.get_session_key(),
"Secrets do not match, instance: {}...".format(
str(instance)[:30]))
self.assertTrue(
server.get_authenticated(),
"Server is not correctly authenticated, " +
"instance: {}...".format(str(instance)[:30]))
self.assertTrue(
usr.authenticated(),
"User is not correctly authenticated, " +
"instance: {}...".format(str(instance)[:30]))
