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_2_pkop_kg.py

@@ -0,0 +1,51 @@
+"""
+card_test_public_key_operations_kg.py - test the sign/dec/auth
+
+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 struct import pack
+from re import match, DOTALL
+from util import *
+from card_const import *
+from constants_for_test import *
+
+class Test_Card_PK_OPs_KG(object):
+    def test_signature_sigkey(self, card, pk):
+        pk_info = card.cmd_get_public_key(1)
+        k = pk.PK_Crypto(keyno=0, pk_info=pk_info)
+        digestinfo = pk.compute_digestinfo(pk.test_vector['sign_0'])
+        sig_bytes = card.cmd_pso(0x9e, 0x9a, digestinfo)
+        r = k.verify_signature(digestinfo, sig_bytes)
+        assert r
+
+    def test_decryption(self, card, pk):
+        pk_info = card.cmd_get_public_key(2)
+        k = pk.PK_Crypto(keyno=1, pk_info=pk_info)
+        encrypted_data = k.encrypt(pk.test_vector['encrypt_0'])
+        r = card.cmd_pso(0x80, 0x86, pk.enc_data(encrypted_data))
+        assert pk.enc_check(encrypted_data, r)
+
+    def test_signature_authkey(self, card, pk):
+        pk_info = card.cmd_get_public_key(3)
+        k = pk.PK_Crypto(2, pk_info=pk_info)
+        digestinfo = pk.compute_digestinfo(pk.test_vector['sign_0'])
+        sig_bytes = card.cmd_internal_authenticate(digestinfo)
+        r = k.verify_signature(digestinfo, sig_bytes)
+        assert r