Adding tests for OpenPGP.

All tests are taken from gnuk. Reader is migrated from pyusb to pyscard.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

tests/card_test_reset_attr.py

@@ -0,0 +1,69 @@
+"""
+card_test_reset_attr.py - test resetting key attributes
+
+Copyright (C) 2021  g10 Code GmbH
+Author: NIIBE Yutaka <gniibe@fsij.org>
+
+This file is a part of Gnuk, a GnuPG USB Token implementation.
+
+Gnuk is free software: you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Gnuk is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+from util import *
+from card_const import *
+import pytest
+
+class Test_Reset_ATTRS(object):
+    def test_verify_pw3(self, card):
+        v = card.verify(3, FACTORY_PASSPHRASE_PW3)
+        assert v
+
+    def test_keyattr_reset_1(self, card):
+        a = card.saved_attribute(1)
+        r = card.cmd_put_data(0x00, 0xc1, a)
+        assert r
+        if card.is_yubikey:
+            pytest.skip("Yubikey returns no attr when no key")
+        else:
+            a1 = get_data_object(card, 0xc1)
+            if card.is_gnuk:
+                assert a1 == a
+            else:
+                pytest.skip("Zeitcontrol returns None when no key")
+
+    def test_keyattr_reset_2(self, card):
+        a = card.saved_attribute(2)
+        r = card.cmd_put_data(0x00, 0xc2, a)
+        assert r
+        if card.is_yubikey:
+            pytest.skip("Yubikey returns no attr when no key")
+        else:
+            a1 = get_data_object(card, 0xc2)
+            if card.is_gnuk:
+                assert a1 == a
+            else:
+                pytest.skip("Zeitcontrol returns None when no key")
+
+    def test_keyattr_reset_3(self, card):
+        a = card.saved_attribute(3)
+        r = card.cmd_put_data(0x00, 0xc3, a)
+        assert r
+        if card.is_yubikey:
+            pytest.skip("Yubikey returns no attr when no key")
+        else:
+            a1 = get_data_object(card, 0xc3)
+            if card.is_gnuk:
+                assert a1 == a
+            else:
+                pytest.skip("Zeitcontrol returns None when no key")