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
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
|
# -*- 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 datetime import datetime
from mock import Mock
from twisted.internet.defer import inlineCallbacks, gatherResults, succeed
from leap.keymanager import (
KeyNotFound,
openpgp,
)
from leap.keymanager.keys import TYPE_ID_PRIVATE_INDEX
from leap.keymanager.openpgp import OpenPGPKey
from leap.keymanager.tests import (
KeyManagerWithSoledadTestCase,
ADDRESS,
ADDRESS_2,
KEY_FINGERPRINT,
PUBLIC_KEY,
KEY_ID,
PUBLIC_KEY_2,
PRIVATE_KEY,
PRIVATE_KEY_2,
)
class OpenPGPCryptoTestCase(KeyManagerWithSoledadTestCase):
# set the trial timeout to 20min, needed by the key generation test
timeout = 1200
@inlineCallbacks
def _test_openpgp_gen_key(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=self.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=self.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=self.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=self.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=self.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=self.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=self.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=self.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=self.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=self.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=self.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=self.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=self.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=self.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)
@inlineCallbacks
def test_self_repair_three_keys(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=self.gpg_binary_path)
yield pgp.put_ascii_key(PUBLIC_KEY, ADDRESS)
get_from_index = self._soledad.get_from_index
delete_doc = self._soledad.delete_doc
def my_get_from_index(*args):
if (args[0] == TYPE_ID_PRIVATE_INDEX and
args[2] == KEY_ID):
k1 = OpenPGPKey(ADDRESS, key_id="1",
refreshed_at=datetime(2005, 1, 1))
k2 = OpenPGPKey(ADDRESS, key_id="2",
refreshed_at=datetime(2007, 1, 1))
k3 = OpenPGPKey(ADDRESS, key_id="3",
refreshed_at=datetime(2001, 1, 1))
d1 = self._soledad.create_doc_from_json(k1.get_json())
d2 = self._soledad.create_doc_from_json(k2.get_json())
d3 = self._soledad.create_doc_from_json(k3.get_json())
return gatherResults([d1, d2, d3])
return get_from_index(*args)
self._soledad.get_from_index = my_get_from_index
self._soledad.delete_doc = Mock(return_value=succeed(None))
key = yield pgp.get_key(ADDRESS, private=False)
try:
self.assertEqual(key.key_id, "2")
self.assertEqual(self._soledad.delete_doc.call_count, 2)
finally:
self._soledad.get_from_index = get_from_index
self._soledad.delete_doc = delete_doc
@inlineCallbacks
def test_self_repair_no_keys(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=self.gpg_binary_path)
yield pgp.put_ascii_key(PUBLIC_KEY, ADDRESS)
get_from_index = self._soledad.get_from_index
delete_doc = self._soledad.delete_doc
def my_get_from_index(*args):
if (args[0] == TYPE_ID_PRIVATE_INDEX and
args[2] == KEY_ID):
return succeed([])
return get_from_index(*args)
self._soledad.get_from_index = my_get_from_index
self._soledad.delete_doc = Mock(return_value=succeed(None))
try:
yield self.assertFailure(pgp.get_key(ADDRESS, private=False),
KeyNotFound)
self.assertEqual(self._soledad.delete_doc.call_count, 1)
finally:
self._soledad.get_from_index = get_from_index
self._soledad.delete_doc = delete_doc
@inlineCallbacks
def test_self_repair_put_keys(self):
pgp = openpgp.OpenPGPScheme(
self._soledad, gpgbinary=self.gpg_binary_path)
get_from_index = self._soledad.get_from_index
delete_doc = self._soledad.delete_doc
def my_get_from_index(*args):
if (args[0] == TYPE_ID_PRIVATE_INDEX and
args[2] == KEY_ID):
k1 = OpenPGPKey(ADDRESS, key_id="1",
fingerprint=KEY_FINGERPRINT,
refreshed_at=datetime(2005, 1, 1))
k2 = OpenPGPKey(ADDRESS, key_id="2",
fingerprint=KEY_FINGERPRINT,
refreshed_at=datetime(2007, 1, 1))
k3 = OpenPGPKey(ADDRESS, key_id="3",
fingerprint=KEY_FINGERPRINT,
refreshed_at=datetime(2001, 1, 1))
d1 = self._soledad.create_doc_from_json(k1.get_json())
d2 = self._soledad.create_doc_from_json(k2.get_json())
d3 = self._soledad.create_doc_from_json(k3.get_json())
return gatherResults([d1, d2, d3])
return get_from_index(*args)
self._soledad.get_from_index = my_get_from_index
self._soledad.delete_doc = Mock(return_value=succeed(None))
try:
yield pgp.put_ascii_key(PUBLIC_KEY, ADDRESS)
self.assertEqual(self._soledad.delete_doc.call_count, 2)
finally:
self._soledad.get_from_index = get_from_index
self._soledad.delete_doc = delete_doc
def _assert_key_not_found(self, pgp, address, private=False):
d = pgp.get_key(address, private=private)
return self.assertFailure(d, KeyNotFound)
|
