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
|
# Copyright (C) 2003-2009 Robey Pointer <robeypointer@gmail.com>
#
# This file is part of paramiko.
#
# Paramiko is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 2.1 of the License, or (at your option)
# any later version.
#
# Paramiko is distrubuted 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
"""
Some unit tests for public/private key objects.
"""
from binascii import hexlify, unhexlify
import StringIO
import unittest
from paramiko import RSAKey, DSSKey, Message, util, randpool
# from openssh's ssh-keygen
PUB_RSA = 'ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA049W6geFpmsljTwfvI1UmKWWJPNFI74+vNKTk4dmzkQY2yAMs6FhlvhlI8ysU4oj71ZsRYMecHbBbxdN79+JRFVYTKaLqjwGENeTd+yv4q+V2PvZv3fLnzApI3l7EJCqhWwJUHJ1jAkZzqDx0tyOL4uoZpww3nmE0kb3y21tH4c='
PUB_DSS = 'ssh-dss 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'
FINGER_RSA = '1024 60:73:38:44:cb:51:86:65:7f:de:da:a2:2b:5a:57:d5'
FINGER_DSS = '1024 44:78:f0:b9:a2:3c:c5:18:20:09:ff:75:5b:c1:d2:6c'
SIGNED_RSA = '20:d7:8a:31:21:cb:f7:92:12:f2:a4:89:37:f5:78:af:e6:16:b6:25:b9:97:3d:a2:cd:5f:ca:20:21:73:4c:ad:34:73:8f:20:77:28:e2:94:15:08:d8:91:40:7a:85:83:bf:18:37:95:dc:54:1a:9b:88:29:6c:73:ca:38:b4:04:f1:56:b9:f2:42:9d:52:1b:29:29:b4:4f:fd:c9:2d:af:47:d2:40:76:30:f3:63:45:0c:d9:1d:43:86:0f:1c:70:e2:93:12:34:f3:ac:c5:0a:2f:14:50:66:59:f1:88:ee:c1:4a:e9:d1:9c:4e:46:f0:0e:47:6f:38:74:f1:44:a8'
RSA_PRIVATE_OUT = """\
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
"""
DSS_PRIVATE_OUT = """\
-----BEGIN DSA PRIVATE KEY-----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-----END DSA PRIVATE KEY-----
"""
class KeyTest (unittest.TestCase):
def setUp(self):
pass
def tearDown(self):
pass
def test_1_generate_key_bytes(self):
from Crypto.Hash import MD5
key = util.generate_key_bytes(MD5, '\x01\x02\x03\x04', 'happy birthday', 30)
exp = unhexlify('61E1F272F4C1C4561586BD322498C0E924672780F47BB37DDA7D54019E64')
self.assertEquals(exp, key)
def test_2_load_rsa(self):
key = RSAKey.from_private_key_file('tests/test_rsa.key')
self.assertEquals('ssh-rsa', key.get_name())
exp_rsa = FINGER_RSA.split()[1].replace(':', '')
my_rsa = hexlify(key.get_fingerprint())
self.assertEquals(exp_rsa, my_rsa)
self.assertEquals(PUB_RSA.split()[1], key.get_base64())
self.assertEquals(1024, key.get_bits())
s = StringIO.StringIO()
key.write_private_key(s)
self.assertEquals(RSA_PRIVATE_OUT, s.getvalue())
s.seek(0)
key2 = RSAKey.from_private_key(s)
self.assertEquals(key, key2)
def test_3_load_rsa_password(self):
key = RSAKey.from_private_key_file('tests/test_rsa_password.key', 'television')
self.assertEquals('ssh-rsa', key.get_name())
exp_rsa = FINGER_RSA.split()[1].replace(':', '')
my_rsa = hexlify(key.get_fingerprint())
self.assertEquals(exp_rsa, my_rsa)
self.assertEquals(PUB_RSA.split()[1], key.get_base64())
self.assertEquals(1024, key.get_bits())
def test_4_load_dss(self):
key = DSSKey.from_private_key_file('tests/test_dss.key')
self.assertEquals('ssh-dss', key.get_name())
exp_dss = FINGER_DSS.split()[1].replace(':', '')
my_dss = hexlify(key.get_fingerprint())
self.assertEquals(exp_dss, my_dss)
self.assertEquals(PUB_DSS.split()[1], key.get_base64())
self.assertEquals(1024, key.get_bits())
s = StringIO.StringIO()
key.write_private_key(s)
self.assertEquals(DSS_PRIVATE_OUT, s.getvalue())
s.seek(0)
key2 = DSSKey.from_private_key(s)
self.assertEquals(key, key2)
def test_5_load_dss_password(self):
key = DSSKey.from_private_key_file('tests/test_dss_password.key', 'television')
self.assertEquals('ssh-dss', key.get_name())
exp_dss = FINGER_DSS.split()[1].replace(':', '')
my_dss = hexlify(key.get_fingerprint())
self.assertEquals(exp_dss, my_dss)
self.assertEquals(PUB_DSS.split()[1], key.get_base64())
self.assertEquals(1024, key.get_bits())
def test_6_compare_rsa(self):
# verify that the private & public keys compare equal
key = RSAKey.from_private_key_file('tests/test_rsa.key')
self.assertEquals(key, key)
pub = RSAKey(data=str(key))
self.assert_(key.can_sign())
self.assert_(not pub.can_sign())
self.assertEquals(key, pub)
def test_7_compare_dss(self):
# verify that the private & public keys compare equal
key = DSSKey.from_private_key_file('tests/test_dss.key')
self.assertEquals(key, key)
pub = DSSKey(data=str(key))
self.assert_(key.can_sign())
self.assert_(not pub.can_sign())
self.assertEquals(key, pub)
def test_8_sign_rsa(self):
# verify that the rsa private key can sign and verify
key = RSAKey.from_private_key_file('tests/test_rsa.key')
msg = key.sign_ssh_data(randpool, 'ice weasels')
self.assert_(type(msg) is Message)
msg.rewind()
self.assertEquals('ssh-rsa', msg.get_string())
sig = ''.join([chr(int(x, 16)) for x in SIGNED_RSA.split(':')])
self.assertEquals(sig, msg.get_string())
msg.rewind()
pub = RSAKey(data=str(key))
self.assert_(pub.verify_ssh_sig('ice weasels', msg))
def test_9_sign_dss(self):
# verify that the dss private key can sign and verify
key = DSSKey.from_private_key_file('tests/test_dss.key')
msg = key.sign_ssh_data(randpool, 'ice weasels')
self.assert_(type(msg) is Message)
msg.rewind()
self.assertEquals('ssh-dss', msg.get_string())
# can't do the same test as we do for RSA, because DSS signatures
# are usually different each time. but we can test verification
# anyway so it's ok.
self.assertEquals(40, len(msg.get_string()))
msg.rewind()
pub = DSSKey(data=str(key))
self.assert_(pub.verify_ssh_sig('ice weasels', msg))
def test_A_generate_rsa(self):
key = RSAKey.generate(1024)
msg = key.sign_ssh_data(randpool, 'jerri blank')
msg.rewind()
self.assert_(key.verify_ssh_sig('jerri blank', msg))
def test_B_generate_dss(self):
key = DSSKey.generate(1024)
msg = key.sign_ssh_data(randpool, 'jerri blank')
msg.rewind()
self.assert_(key.verify_ssh_sig('jerri blank', msg))
|