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Added ctap1 interoperability test.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-10-04 11:42:54 +02:00
parent 4cea6ebe87
commit 3f80acc81b
2 changed files with 65 additions and 7 deletions
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47
tests/conftest.py
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@@ -1,12 +1,13 @@
from http import client
from fido2.hid import CtapHidDevice
from fido2.client import Fido2Client, WindowsClient, UserInteraction, ClientError
from fido2.client import Fido2Client, WindowsClient, UserInteraction, ClientError, _Ctap1ClientBackend
from fido2.attestation import FidoU2FAttestation
from fido2.ctap2.pin import ClientPin
from fido2.server import Fido2Server
from fido2.ctap import CtapError
from fido2.webauthn import CollectedClientData, AttestedCredentialData
from getpass import getpass
from utils import *
from fido2.cose import ES256
import sys
import pytest
import os
@@ -37,6 +38,7 @@ class Device():
self.__set_client(origin=origin, user_interaction=user_interaction, uv=uv)
self.__set_server(rp=rp, attestation=attestation)
def __set_client(self, origin, user_interaction, uv):
self.__uv = uv
self.__dev = None
@@ -68,6 +70,9 @@ class Device():
self.__uv = "preferred"
print("Authenticator supports User Verification")
self.__client1 = Fido2Client(self.__dev, self.__origin, user_interaction=self.__user_interaction)
self.__client1._backend = _Ctap1ClientBackend(self.__dev, user_interaction=self.__user_interaction)
def __set_server(self, rp, attestation):
self.__rp = rp
self.__attestation = attestation
@@ -128,14 +133,18 @@ class Device():
'user':user,
'key_params':key_params}}
def doMC(self, client_data=Ellipsis, rp=Ellipsis, user=Ellipsis, key_params=Ellipsis, exclude_list=None, extensions=None, rk=None, user_verification=None, enterprise_attestation=None, event=None):
def doMC(self, client_data=Ellipsis, rp=Ellipsis, user=Ellipsis, key_params=Ellipsis, exclude_list=None, extensions=None, rk=None, user_verification=None, enterprise_attestation=None, event=None, ctap1=False):
client_data = client_data if client_data is not Ellipsis else CollectedClientData.create(
type=CollectedClientData.TYPE.CREATE, origin=self.__origin, challenge=os.urandom(32)
)
rp = rp if rp is not Ellipsis else self.__rp
user = user if user is not Ellipsis else self.user()
key_params = key_params if key_params is not Ellipsis else self.__server.allowed_algorithms
result = self.__client._backend.do_make_credential(
if (ctap1 is True):
client = self.__client1
else:
client = self.__client
result = client._backend.do_make_credential(
client_data=client_data,
rp=rp,
user=user,
@@ -233,13 +242,17 @@ class Device():
def GNA(self):
return self.__client._backend.ctap2.get_next_assertion()
def doGA(self, client_data=Ellipsis, rp_id=Ellipsis, allow_list=None, extensions=None, user_verification=None, event=None):
def doGA(self, client_data=Ellipsis, rp_id=Ellipsis, allow_list=None, extensions=None, user_verification=None, event=None, ctap1=False):
client_data = client_data if client_data is not Ellipsis else CollectedClientData.create(
type=CollectedClientData.TYPE.CREATE, origin=self.__origin, challenge=os.urandom(32)
)
rp_id = rp_id if rp_id is not Ellipsis else self.__rp['id']
if (ctap1 is True):
client = self.__client1
else:
client = self.__client
try:
result = self.__client._backend.do_get_assertion(
result = client._backend.do_get_assertion(
client_data=client_data,
rp_id=rp_id,
allow_list=allow_list,
@@ -251,7 +264,7 @@ class Device():
if (e.code == ClientError.ERR.CONFIGURATION_UNSUPPORTED):
client_pin = ClientPin(self.__client._backend.ctap2)
client_pin.set_pin(DEFAULT_PIN)
result = self.__client._backend.do_get_assertion(
result = client._backend.do_get_assertion(
client_data=client_data,
rp_id=rp_id,
allow_list=allow_list,
@@ -259,6 +272,8 @@ class Device():
user_verification=user_verification,
event=event
)
else:
raise
return {'res':result,'req':{'client_data':client_data,
'rp_id':rp_id}}
@@ -304,3 +319,21 @@ def GARes_DC(device, MCRes_DC, *args):
verify(MCRes_DC['res'].attestation_object, res['res'], res['req']['client_data_hash'])
return res
@pytest.fixture(scope="module")
def RegRes(resetdevice, *args):
res = resetdevice.doMC(ctap1=True, *args)
att = FidoU2FAttestation()
att.verify(res['res'].attestation_object.att_stmt, res['res'].attestation_object.auth_data, res['req']['client_data'].hash)
return res
@pytest.fixture(scope="class")
def AuthRes(device, RegRes, *args):
res = device.doGA(ctap1=True, allow_list=[
{"id": RegRes['res'].attestation_object.auth_data.credential_data.credential_id, "type": "public-key"}
], *args)
aut_data = res['res'].get_response(0)
m = aut_data.authenticator_data.rp_id_hash + aut_data.authenticator_data.flags.to_bytes(1, 'big') + aut_data.authenticator_data.counter.to_bytes(4, 'big') + aut_data.client_data.hash
ES256(RegRes['res'].attestation_object.auth_data.credential_data.public_key).verify(m, aut_data.signature)
return aut_data