1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
# -*- coding: utf-8 -*-
# test_keymanager.py
# Copyright (C) 2014 LEAP
#
# This program 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.
#
# This program 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/>.
"""
Tests for the OpenPGP support on Key Manager.
"""
from twisted.internet.defer import inlineCallbacks
from leap.keymanager import (
KeyNotFound,
openpgp,
)
from leap.keymanager.openpgp import OpenPGPKey
from leap.keymanager.tests import (
KeyManagerWithSoledadTestCase,
ADDRESS,
ADDRESS_2,
KEY_FINGERPRINT,
PUBLIC_KEY,
PUBLIC_KEY_2,
PRIVATE_KEY,
PRIVATE_KEY_2,
GPG_BINARY_PATH
)
class OpenPGPCryptoTestCase(KeyManagerWithSoledadTestCase):
@inlineCallbacks
def _test_openpgp_gen_key(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield self._assert_key_not_found(pgp, 'user@leap.se')
key = yield pgp.gen_key('user@leap.se')
self.assertIsInstance(key, openpgp.OpenPGPKey)
self.assertEqual(
['user@leap.se'], key.address, 'Wrong address bound to key.')
self.assertEqual(
4096, key.length, 'Wrong key length.')
@inlineCallbacks
def test_openpgp_put_delete_key(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield self._assert_key_not_found(pgp, ADDRESS)
yield pgp.put_ascii_key(PUBLIC_KEY, ADDRESS)
key = yield pgp.get_key(ADDRESS, private=False)
yield pgp.delete_key(key)
yield self._assert_key_not_found(pgp, ADDRESS)
@inlineCallbacks
def test_openpgp_put_ascii_key(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield self._assert_key_not_found(pgp, ADDRESS)
yield pgp.put_ascii_key(PUBLIC_KEY, ADDRESS)
key = yield pgp.get_key(ADDRESS, private=False)
self.assertIsInstance(key, openpgp.OpenPGPKey)
self.assertTrue(
ADDRESS in key.address, 'Wrong address bound to key.')
self.assertEqual(
4096, key.length, 'Wrong key length.')
yield pgp.delete_key(key)
yield self._assert_key_not_found(pgp, ADDRESS)
@inlineCallbacks
def test_get_public_key(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield self._assert_key_not_found(pgp, ADDRESS)
yield pgp.put_ascii_key(PUBLIC_KEY, ADDRESS)
yield self._assert_key_not_found(pgp, ADDRESS, private=True)
key = yield pgp.get_key(ADDRESS, private=False)
self.assertTrue(ADDRESS in key.address)
self.assertFalse(key.private)
self.assertEqual(KEY_FINGERPRINT, key.fingerprint)
yield pgp.delete_key(key)
yield self._assert_key_not_found(pgp, ADDRESS)
@inlineCallbacks
def test_openpgp_encrypt_decrypt(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
# encrypt
yield pgp.put_ascii_key(PUBLIC_KEY, ADDRESS)
pubkey = yield pgp.get_key(ADDRESS, private=False)
cyphertext = pgp.encrypt(data, pubkey)
self.assertTrue(cyphertext is not None)
self.assertTrue(cyphertext != '')
self.assertTrue(cyphertext != data)
self.assertTrue(pgp.is_encrypted(cyphertext))
self.assertTrue(pgp.is_encrypted(cyphertext))
# decrypt
yield self._assert_key_not_found(pgp, ADDRESS, private=True)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
privkey = yield pgp.get_key(ADDRESS, private=True)
decrypted, _ = pgp.decrypt(cyphertext, privkey)
self.assertEqual(decrypted, data)
yield pgp.delete_key(pubkey)
yield pgp.delete_key(privkey)
yield self._assert_key_not_found(pgp, ADDRESS, private=False)
yield self._assert_key_not_found(pgp, ADDRESS, private=True)
@inlineCallbacks
def test_verify_with_private_raises(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
privkey = yield pgp.get_key(ADDRESS, private=True)
signed = pgp.sign(data, privkey)
self.assertRaises(
AssertionError,
pgp.verify, signed, privkey)
@inlineCallbacks
def test_sign_with_public_raises(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PUBLIC_KEY, ADDRESS)
self.assertRaises(
AssertionError,
pgp.sign, data, ADDRESS, OpenPGPKey)
@inlineCallbacks
def test_verify_with_wrong_key_raises(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
privkey = yield pgp.get_key(ADDRESS, private=True)
signed = pgp.sign(data, privkey)
yield pgp.put_ascii_key(PUBLIC_KEY_2, ADDRESS_2)
wrongkey = yield pgp.get_key(ADDRESS_2)
self.assertFalse(pgp.verify(signed, wrongkey))
@inlineCallbacks
def test_encrypt_sign_with_public_raises(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
privkey = yield pgp.get_key(ADDRESS, private=True)
pubkey = yield pgp.get_key(ADDRESS, private=False)
self.assertRaises(
AssertionError,
pgp.encrypt, data, privkey, sign=pubkey)
@inlineCallbacks
def test_decrypt_verify_with_private_raises(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
privkey = yield pgp.get_key(ADDRESS, private=True)
pubkey = yield pgp.get_key(ADDRESS, private=False)
encrypted_and_signed = pgp.encrypt(
data, pubkey, sign=privkey)
self.assertRaises(
AssertionError,
pgp.decrypt,
encrypted_and_signed, privkey, verify=privkey)
@inlineCallbacks
def test_decrypt_verify_with_wrong_key(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
privkey = yield pgp.get_key(ADDRESS, private=True)
pubkey = yield pgp.get_key(ADDRESS, private=False)
encrypted_and_signed = pgp.encrypt(data, pubkey, sign=privkey)
yield pgp.put_ascii_key(PUBLIC_KEY_2, ADDRESS_2)
wrongkey = yield pgp.get_key(ADDRESS_2)
decrypted, validsign = pgp.decrypt(encrypted_and_signed, privkey,
verify=wrongkey)
self.assertEqual(decrypted, data)
self.assertFalse(validsign)
@inlineCallbacks
def test_sign_verify(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
privkey = yield pgp.get_key(ADDRESS, private=True)
signed = pgp.sign(data, privkey, detach=False)
pubkey = yield pgp.get_key(ADDRESS, private=False)
validsign = pgp.verify(signed, pubkey)
self.assertTrue(validsign)
@inlineCallbacks
def test_encrypt_sign_decrypt_verify(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
pubkey = yield pgp.get_key(ADDRESS, private=False)
privkey = yield pgp.get_key(ADDRESS, private=True)
yield pgp.put_ascii_key(PRIVATE_KEY_2, ADDRESS_2)
pubkey2 = yield pgp.get_key(ADDRESS_2, private=False)
privkey2 = yield pgp.get_key(ADDRESS_2, private=True)
data = 'data'
encrypted_and_signed = pgp.encrypt(
data, pubkey2, sign=privkey)
res, validsign = pgp.decrypt(
encrypted_and_signed, privkey2, verify=pubkey)
self.assertEqual(data, res)
self.assertTrue(validsign)
@inlineCallbacks
def test_sign_verify_detached_sig(self):
data = 'data'
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=GPG_BINARY_PATH)
yield pgp.put_ascii_key(PRIVATE_KEY, ADDRESS)
privkey = yield pgp.get_key(ADDRESS, private=True)
signature = yield pgp.sign(data, privkey, detach=True)
pubkey = yield pgp.get_key(ADDRESS, private=False)
validsign = pgp.verify(data, pubkey, detached_sig=signature)
self.assertTrue(validsign)
def _assert_key_not_found(self, pgp, address, private=False):
d = pgp.get_key(address, private=private)
return self.assertFailure(d, KeyNotFound)
|