Test suite improvement.

tests/test_003_remove_keys.py

@@ -0,0 +1,43 @@
+"""
+test_remove_keys.py - test removing keys on card
+
+Copyright (C) 2016  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/>.
+"""
+
+# Remove a key material on card by changing algorithm attributes of the key
+
+from card_const import *
+
+def test_rsa_keyattr_change_1(card):
+    r = card.cmd_put_data(0x00, 0xc1, KEY_ATTRIBUTES_RSA4K)
+    if r:
+        r = card.cmd_put_data(0x00, 0xc1, KEY_ATTRIBUTES_RSA2K)
+    assert r
+
+def test_rsa_keyattr_change_2(card):
+    r = card.cmd_put_data(0x00, 0xc2, KEY_ATTRIBUTES_RSA4K)
+    if r:
+        r = card.cmd_put_data(0x00, 0xc2, KEY_ATTRIBUTES_RSA2K)
+    assert r
+
+def test_rsa_keyattr_change_3(card):
+    r = card.cmd_put_data(0x00, 0xc3, KEY_ATTRIBUTES_RSA4K)
+    if r:
+        r = card.cmd_put_data(0x00, 0xc3, KEY_ATTRIBUTES_RSA2K)
+    assert r