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test_ssh.py
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test_ssh.py
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# Copyright (c) 2014 Adi Roiban.
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Test for SSH keys management.
"""
from argparse import ArgumentParser
from hashlib import sha1
from StringIO import StringIO
import base64
import textwrap
from chevah.empirical import mk, EmpiricalTestCase
from nose.plugins.attrib import attr
import Crypto
# Twisted test compatibility.
from chevah.keycert import ssh as keys, common, sexpy
from chevah.keycert.exceptions import (
BadKeyError,
KeyCertException,
EncryptedKeyError,
)
from chevah.keycert.ssh import (
Key,
generate_ssh_key,
generate_ssh_key_parser,
)
from chevah.keycert.tests import keydata
from chevah.keycert.tests.helpers import CommandLineMixin
PUBLIC_RSA_ARMOR_START = u'-----BEGIN PUBLIC KEY-----\n'
PUBLIC_RSA_ARMOR_END = u'\n-----END PUBLIC KEY-----\n'
PRIVATE_RSA_ARMOR_START = u'-----BEGIN RSA PRIVATE KEY-----\n'
PRIVATE_RSA_ARMOR_END = u'\n-----END RSA PRIVATE KEY-----\n'
PUBLIC_DSA_ARMOR_START = u'-----BEGIN PUBLIC KEY-----\n'
PUBLIC_DSA_ARMOR_END = u'\n-----END PUBLIC KEY-----\n'
PRIVATE_DSA_ARMOR_START = u'-----BEGIN DSA PRIVATE KEY-----\n'
PRIVATE_DSA_ARMOR_END = u'\n-----END DSA PRIVATE KEY-----\n'
OPENSSH_RSA_PRIVATE = ('''-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----''')
OPENSSH_RSA_PUBLIC = (
'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQC4fV6tSakDSB6ZovygLsf1iC9P3tJHePTKA'
'PkPAWzlu5BRHcmAu0uTjn7GhrpxbjjWMwDVN0Oxzw7teI0OEIVkpnlcyM6L5mGk+X6Lc4+lAf'
'p1YxCR9o9+FXMWSJP32jRwI+4LhWYxnYUldvAO5LDz9QeR0yKimwcjRToF6/jpLw=='
)
OPENSSH_DSA_PRIVATE = ('''-----BEGIN DSA PRIVATE KEY-----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-----END DSA PRIVATE KEY-----''')
OPENSSH_DSA_PUBLIC = (
'ssh-dss AAAAB3NzaC1kc3MAAACBAM7CQoaeZVn1tGXtkKf/BIQtXSfkQuypVkU60GkeV4Q6K'
'2y+MQEFtMpfR9nze9oxWckVXDcNBJuLX3aSu+T3T1jqHcdU7YwoFF323b1+vbpW8JlA7FHh/O'
'Q+4v4/Hj5KGoTXvWw7Oy4QO3QyTF/XnZDGsDa8+jCSPt+bNEfnGANNAAAAFQCGG/5Y0lHJaOk'
'4jcKIhfvW8mnxSQAAAIBcD5MAYKYXZl41k3TiaDF7JPfggDDfs0aYss/9vKLzp0px3PmG2o+I'
'5Zw2YXOsDtrSj56sTcH6aLASbaxXP55VZ804IlBqUdSpGuTWJXnjYUvQEJ4+Ilr3UFrDilVLm'
'GdI2Sj9aynRWdberk4r+0+zWlHL7epZTDCuDmLOFiQF/AAAAIB/6sL9MO4ZwtFzwbOKNOoZxf'
'ORwNbzzHf+IpzyBTxxQJcYS6QgbtSi2tUY1WeJxmq/xkMoVLgpmpK6NN+NuB6aux54U7h5B3p'
'Z7SnoRJ7vATQnMJpwZYno8uZXhx4TmOoSxzxy2jTJb4rt4R6bbwjaI9ca/1iLavocQ218Zk20'
'4g=='
)
# Same key as OPENSSH_RSA_PUBLIC, wrapped at 70 characters.
SSHCOM_RSA_PUBLIC = """---- BEGIN SSH2 PUBLIC KEY ----
AAAAB3NzaC1yc2EAAAADAQABAAAAgQC4fV6tSakDSB6ZovygLsf1iC9P3tJHePTKAPkPAW
zlu5BRHcmAu0uTjn7GhrpxbjjWMwDVN0Oxzw7teI0OEIVkpnlcyM6L5mGk+X6Lc4+lAfp1
YxCR9o9+FXMWSJP32jRwI+4LhWYxnYUldvAO5LDz9QeR0yKimwcjRToF6/jpLw==
---- END SSH2 PUBLIC KEY ----"""
# Same key as OPENSSH_DSA_PUBLIC.
SSHCOM_DSA_PUBLIC = """---- BEGIN SSH2 PUBLIC KEY ----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---- END SSH2 PUBLIC KEY ----"""
# Same as OPENSSH_RSA_PRIVATE
SSHCOM_RSA_PRIVATE_NO_PASSWORD = """---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----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---- END SSH2 ENCRYPTED PRIVATE KEY ----"""
# Same as OPENSSH_RSA_PRIVATE and with 'chevah' password.
SSHCOM_RSA_PRIVATE_WITH_PASSWORD = (
"""---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----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---- END SSH2 ENCRYPTED PRIVATE KEY ----""")
SSHCOM_DSA_PRIVATE_NO_PASSWORD = """---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----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---- END SSH2 ENCRYPTED PRIVATE KEY ----"""
# Same as OPENSSH_RSA_PRIVATE
# Make sure it has Windows newlines.
PUTTY_RSA_PRIVATE_NO_PASSWORD = """PuTTY-User-Key-File-2: ssh-rsa\r
Encryption: none\r
Comment: imported-openssh-key\r
Public-Lines: 4\r
AAAAB3NzaC1yc2EAAAADAQABAAAAgQC4fV6tSakDSB6ZovygLsf1iC9P3tJHePTK\r
APkPAWzlu5BRHcmAu0uTjn7GhrpxbjjWMwDVN0Oxzw7teI0OEIVkpnlcyM6L5mGk\r
+X6Lc4+lAfp1YxCR9o9+FXMWSJP32jRwI+4LhWYxnYUldvAO5LDz9QeR0yKimwcj\r
RToF6/jpLw==\r
Private-Lines: 8\r
AAAAgAgeXEA78ZgXYGFabsuNw3bmm05ke9RxWjRZfpxOb8BcVKl9KhTkKRtBNgr+\r
es3rD809SVgYqn30oq+Ikox/5Z7JGZzPSdcX6Z6CeR083Bh2gWFRRBF0unzrMlk9\r
eaGOym+q0QU51ldCJ7P9OR4ad/K/0UfzuKaAftzcECQ5f+oBAAAAQQDoAnRdC+5S\r
yjrZ1JQUWUkapiYHIhFq6kWtGm3kWJn0IxCBtFhGvqIWJwZIAjf6tTKMUk6bjG9p\r
7JpetXUsTiDBAAAAQQDLkQNTYXjZebq29DMzxsCCrt3b/HaIdG46QNRvVsrdjAHJ\r
OKGX0Euq91GFHGmXbURypakH9HMAVsZr7rQb+JXvAAAAQH+ARfXlS8UUPQODJvSJ\r
LeJRfIoup2uJ8XbRMz/Kdiz/bS6h2FKGzWp8QfuzLIuH94GMrinThp1h6g9lOB3C\r
3TE=\r
Private-MAC: 7630b86be300c6302ce1390fb264487bb61e67ce"""
# Same as OPENSSH_RSA_PRIVATE, with 'chevah' password.
PUTTY_RSA_PRIVATE_WITH_PASSWORD = """PuTTY-User-Key-File-2: ssh-rsa\r
Encryption: aes256-cbc\r
Comment: imported-openssh-key\r
Public-Lines: 4\r
AAAAB3NzaC1yc2EAAAADAQABAAAAgQC4fV6tSakDSB6ZovygLsf1iC9P3tJHePTK\r
APkPAWzlu5BRHcmAu0uTjn7GhrpxbjjWMwDVN0Oxzw7teI0OEIVkpnlcyM6L5mGk\r
+X6Lc4+lAfp1YxCR9o9+FXMWSJP32jRwI+4LhWYxnYUldvAO5LDz9QeR0yKimwcj\r
RToF6/jpLw==\r
Private-Lines: 8\r
dqtZBETu8cK9VpOX/IB9iIehQE7r6ceVvzsDqrjwGnw64LkEoqlqobP7diV3/gpc\r
b1Vmf8EitczdQBUdWkVtSJVA7FYBUNQlBd4ghkDJm58goTVzdGxpoafpQ9nFNO72\r
iQFg1wfpJQn9fcR0vQL1s5uykCSeEy232rHeFO4tMssq4xrhLqK9vWaYilWJoBxM\r
jzmVdL04QJERTJXh7k3wsRWGO12r+PGnp/8upiHHfnjVZlzDw6Dw6WQ+EaqI99mm\r
Cgo4ZiBwubHtPZq+eeP8Db/m3lMaKQNKAyYe3VlKCUwkC8N4jZR8QQlaOjBfHfPR\r
vO+Znb71OYvwFHQbwA3K64M9KnWCdXZxdCrBvm2UuEcKBz7SDEXQV2UvtGueg0s0\r
EO5R1D0fXky8HGA6VciUGR6g2zclO6rNR+Ooc5ThsZQ9sKVrpcvYYC8WdZ5LB50B\r
J8IuFywygVI4PbRs98v9Dg==\r
Private-MAC: 3ffe2587759ff8f50c6acdcad44f62a67e88ef2b"""
# This is the same key as OPENSSH_DSA_PRIVATE
PUTTY_DSA_PRIVATE_NO_PASSWORD = """PuTTY-User-Key-File-2: ssh-dss\r
Encryption: none\r
Comment: imported-openssh-key\r
Public-Lines: 10\r
AAAAB3NzaC1kc3MAAACBAM7CQoaeZVn1tGXtkKf/BIQtXSfkQuypVkU60GkeV4Q6\r
K2y+MQEFtMpfR9nze9oxWckVXDcNBJuLX3aSu+T3T1jqHcdU7YwoFF323b1+vbpW\r
8JlA7FHh/OQ+4v4/Hj5KGoTXvWw7Oy4QO3QyTF/XnZDGsDa8+jCSPt+bNEfnGANN\r
AAAAFQCGG/5Y0lHJaOk4jcKIhfvW8mnxSQAAAIBcD5MAYKYXZl41k3TiaDF7JPfg\r
gDDfs0aYss/9vKLzp0px3PmG2o+I5Zw2YXOsDtrSj56sTcH6aLASbaxXP55VZ804\r
IlBqUdSpGuTWJXnjYUvQEJ4+Ilr3UFrDilVLmGdI2Sj9aynRWdberk4r+0+zWlHL\r
7epZTDCuDmLOFiQF/AAAAIB/6sL9MO4ZwtFzwbOKNOoZxfORwNbzzHf+IpzyBTxx\r
QJcYS6QgbtSi2tUY1WeJxmq/xkMoVLgpmpK6NN+NuB6aux54U7h5B3pZ7SnoRJ7v\r
ATQnMJpwZYno8uZXhx4TmOoSxzxy2jTJb4rt4R6bbwjaI9ca/1iLavocQ218Zk20\r
4g==\r
Private-Lines: 1\r
AAAAFE5O2kb+uaE3nWLAMovNC/KYWATe\r
Private-MAC: 1b98c142780beaa5555ad5c23a0469e36f24b6f9"""
class DummyOpenContext(object):
"""
Helper for testing operations using open context manager.
It keeps a record or all calls in self.calls.
"""
def __init__(self):
self.calls = []
self.last_stream = None
def __call__(self, path, mode):
self.last_stream = StringIO()
self.calls.append(
{'path': path, 'mode': mode, 'stream': self.last_stream})
return self
def __enter__(self):
return self.last_stream
def __exit__(self, exc_type, exc_value, tb):
return False
class TestHelpers(EmpiricalTestCase, CommandLineMixin):
"""
Unit tests for helper methods from this module.
"""
def setUp(self):
super(TestHelpers, self).setUp()
self._secureRandom = Key.secureRandom
Key.secureRandom = lambda me, x: '\x55' * x
def tearDown(self):
Key.secureRandom = self._secureRandom
self._secureRandom = None
super(TestHelpers, self).tearDown()
def test_pkcs1(self):
"""
Test Public Key Cryptographic Standard #1 functions.
"""
data = 'ABC'
messageSize = 6
self.assertEqual(
keys.pkcs1Pad(data, messageSize), '\x01\xff\x00ABC')
hash = sha1().digest()
messageSize = 40
self.assertEqual(
keys.pkcs1Digest('', messageSize),
'\x01\xff\xff\xff\x00' + keys.ID_SHA1 + hash)
def _signRSA(self, data):
key = keys.Key.fromString(keydata.privateRSA_openssh)
sig = key.sign(data)
return key.keyObject, sig
def _signDSA(self, data):
key = keys.Key.fromString(keydata.privateDSA_openssh)
sig = key.sign(data)
return key.keyObject, sig
def test_signRSA(self):
"""
Test that RSA keys return appropriate signatures.
"""
data = 'data'
key, sig = self._signRSA(data)
sigData = keys.pkcs1Digest(data, keys.lenSig(key))
v = key.sign(sigData, '')[0]
self.assertEqual(sig, common.NS('ssh-rsa') + common.MP(v))
return key, sig
def test_signDSA(self):
"""
Test that DSA keys return appropriate signatures.
"""
data = 'data'
key, sig = self._signDSA(data)
sigData = sha1(data).digest()
v = key.sign(sigData, '\x55' * 19)
self.assertEqual(sig, common.NS('ssh-dss') + common.NS(
Crypto.Util.number.long_to_bytes(v[0], 20) +
Crypto.Util.number.long_to_bytes(v[1], 20)))
return key, sig
def test_objectType(self):
"""
Test that objectType, returns the correct type for objects.
"""
self.assertEqual(
keys.objectType(keys.Key.fromString(
keydata.privateRSA_openssh).keyObject), 'ssh-rsa')
self.assertEqual(
keys.objectType(keys.Key.fromString(
keydata.privateDSA_openssh).keyObject), 'ssh-dss')
self.assertRaises(keys.BadKeyError, keys.objectType, None)
class TestKey(EmpiricalTestCase):
"""
Unit test for SSH key generation.
The actual test creating real keys are located in functional.
"""
def setUp(self):
super(TestKey, self).setUp()
self.rsaObj = Crypto.PublicKey.RSA.construct((1L, 2L, 3L, 4L, 5L))
self.dsaObj = Crypto.PublicKey.DSA.construct((1L, 2L, 3L, 4L, 5L))
self.rsaSignature = (
'\x00\x00\x00\x07ssh-rsa\x00'
'\x00\x00`N\xac\xb4@qK\xa0(\xc3\xf2h \xd3\xdd\xee6Np\x9d_'
'\xb0>\xe3\x0c(L\x9d{\txUd|!\xf6m\x9c\xd3\x93\x842\x7fU'
'\x05\xf4\xf7\xfaD\xda\xce\x81\x8ea\x7f=Y\xed*\xb7\xba\x81'
'\xf2\xad\xda\xeb(\x97\x03S\x08\x81\xc7\xb1\xb7\xe6\xe3'
'\xcd*\xd4\xbd\xc0wt\xf7y\xcd\xf0\xb7\x7f\xfb\x1e>\xf9r'
'\x8c\xba')
self.dsaSignature = (
'\x00\x00\x00\x07ssh-dss\x00\x00'
'\x00(\x18z)H\x8a\x1b\xc6\r\xbbq\xa2\xd7f\x7f$\xa7\xbf'
'\xe8\x87\x8c\x88\xef\xd9k\x1a\x98\xdd{=\xdec\x18\t\xe3'
'\x87\xa9\xc72h\x95')
self.oldSecureRandom = Key.secureRandom
Key.secureRandom = lambda me, x: '\xff' * x
def tearDown(self):
Key.secureRandom = self.oldSecureRandom
del self.oldSecureRandom
super(TestKey, self).tearDown()
def assertBadKey(self, content, message):
"""
Check the `content` raise a BadKeyError with `message`.
"""
with self.assertRaises(BadKeyError) as context:
Key.fromString(content)
self.assertEqual(message, context.exception.message)
def assertKeyIsTooShort(self, content):
"""
Check the key content is too short.
"""
self.assertBadKey(content, 'Key is too short.')
def assertKeyParseError(self, content):
"""
Check that key content fail to parse.
"""
self.assertBadKey(content, 'Fail to parse key content.')
def _testPublicPrivateFromString(self, public, private, type, data):
self._testPublicFromString(public, type, data)
self._testPrivateFromString(private, type, data)
def _testPublicFromString(self, public, type, data):
publicKey = keys.Key.fromString(public)
self.assertTrue(publicKey.isPublic())
self.assertEqual(publicKey.type(), type)
for k, v in publicKey.data().items():
self.assertEqual(data[k], v)
def _testPrivateFromString(self, private, type, data):
privateKey = keys.Key.fromString(private)
self.assertFalse(privateKey.isPublic())
self.assertEqual(privateKey.type(), type)
for k, v in data.items():
self.assertEqual(privateKey.data()[k], v)
def test_init(self):
"""
Test that the PublicKey object is initialized correctly.
"""
obj = Crypto.PublicKey.RSA.construct((1L, 2L))
key = keys.Key(obj)
self.assertEqual(key.keyObject, obj)
def test_equal(self):
"""
Test that Key objects are compared correctly.
"""
rsa1 = keys.Key(self.rsaObj)
rsa2 = keys.Key(self.rsaObj)
rsa3 = keys.Key(Crypto.PublicKey.RSA.construct((1L, 2L)))
dsa = keys.Key(self.dsaObj)
self.assertTrue(rsa1 == rsa2)
self.assertFalse(rsa1 == rsa3)
self.assertFalse(rsa1 == dsa)
self.assertFalse(rsa1 == object)
def test_notEqual(self):
"""
Test that Key objects are not-compared correctly.
"""
rsa1 = keys.Key(self.rsaObj)
rsa2 = keys.Key(self.rsaObj)
rsa3 = keys.Key(Crypto.PublicKey.RSA.construct((1L, 2L)))
dsa = keys.Key(self.dsaObj)
self.assertFalse(rsa1 != rsa2)
self.assertTrue(rsa1 != rsa3)
self.assertTrue(rsa1 != dsa)
self.assertTrue(rsa1 != object)
self.assertNotEqual(rsa1, None)
def test_type(self):
"""
Test that the type method returns the correct type for an object.
"""
self.assertEqual(keys.Key(self.rsaObj).type(), 'RSA')
self.assertEqual(keys.Key(self.rsaObj).sshType(), 'ssh-rsa')
self.assertEqual(keys.Key(self.dsaObj).type(), 'DSA')
self.assertEqual(keys.Key(self.dsaObj).sshType(), 'ssh-dss')
self.assertRaises(RuntimeError, keys.Key(None).type)
self.assertRaises(RuntimeError, keys.Key(None).sshType)
self.assertRaises(RuntimeError, keys.Key(self).type)
self.assertRaises(RuntimeError, keys.Key(self).sshType)
def test_generate_unknown_type(self):
"""
An error is raised when generating a key with unknown type.
"""
with self.assertRaises(KeyCertException) as context:
Key.generate(key_type='bad-type')
self.assertEqual(
'Unknown key type "bad-type".', context.exception.message)
@attr('slow')
def test_generate_rsa(self):
"""
Check generation of an RSA key with a case insensitive type name.
"""
key = Key.generate(key_type='rSA', key_size=1024)
self.assertEqual('RSA', key.type())
self.assertEqual(1024, key.size)
@attr('slow')
def test_generate_dsa(self):
"""
Check generation of a DSA key with a case insensitive type name.
"""
key = Key.generate(key_type='dSA', key_size=1024)
self.assertEqual('DSA', key.type())
self.assertEqual(1024, key.size)
def test_generate_failed(self):
"""
A ServerError is raised when it fails to generate the key.
"""
with self.assertRaises(KeyCertException) as context:
Key.generate(key_type='dSa', key_size=2048)
self.assertEqual(
u'Wrong key size "2048". Number of bits in p must be a multiple '
'of 64 between 512 and 1024, not 2048 bits.',
context.exception.message)
def test_guessStringType(self):
"""
Test that the _guessStringType method guesses string types
correctly.
Imported from Twisted.
"""
self.assertEqual(
keys.Key._guessStringType(keydata.publicRSA_openssh),
'public_openssh')
self.assertEqual(
keys.Key._guessStringType(keydata.publicDSA_openssh),
'public_openssh')
self.assertEqual(
keys.Key._guessStringType(
keydata.privateRSA_openssh),
'private_openssh')
self.assertEqual(
keys.Key._guessStringType(
keydata.privateDSA_openssh),
'private_openssh')
self.assertEqual(
keys.Key._guessStringType(keydata.publicRSA_lsh),
'public_lsh')
self.assertEqual(
keys.Key._guessStringType(keydata.publicDSA_lsh),
'public_lsh')
self.assertEqual(
keys.Key._guessStringType(keydata.privateRSA_lsh),
'private_lsh')
self.assertEqual(
keys.Key._guessStringType(keydata.privateDSA_lsh),
'private_lsh')
self.assertEqual(
keys.Key._guessStringType(
keydata.privateRSA_agentv3),
'agentv3')
self.assertEqual(
keys.Key._guessStringType(
keydata.privateDSA_agentv3),
'agentv3')
self.assertEqual(
keys.Key._guessStringType(
'\x00\x00\x00\x07ssh-rsa\x00\x00\x00\x01\x01'),
'blob')
self.assertEqual(
keys.Key._guessStringType(
'\x00\x00\x00\x07ssh-dss\x00\x00\x00\x01\x01'),
'blob')
self.assertEqual(
keys.Key._guessStringType('not a key'),
None)
def test_guessStringType_unknown(self):
"""
None is returned when could not detect key type.
"""
content = mk.ascii()
result = Key._guessStringType(content)
self.assertIsNone(result)
def test_guessStringType_PEM_certificate(self):
"""
None is returned when reading PEM certificates.
"""
content = (
'-----BEGIN CERTIFICATE-----\n'
'CONTENT\n'
'-----END CERTIFICATE-----\n'
)
result = Key._guessStringType(content)
self.assertIsNone(result)
def test_guessStringType_private_OpenSSH_RSA(self):
"""
Can recognize an OpenSSH RSA private key.
"""
result = Key._guessStringType(OPENSSH_RSA_PRIVATE)
self.assertEqual('private_openssh', result)
def test_guessStringType_private_OpenSSH_DSA(self):
"""
Can recognize an OpenSSH DSA private key.
"""
result = Key._guessStringType(OPENSSH_DSA_PRIVATE)
self.assertEqual('private_openssh', result)
def test_guessStringType_private_OpenSSH_ECDSA(self):
"""
Can recognize an OpenSSH ECDSA private key.
"""
result = Key._guessStringType(keydata.privateECDSA_256_openssh)
self.assertEqual('private_openssh', result)
def test_guessStringType_public_OpenSSH(self):
"""
Can recognize an OpenSSH public key.
"""
result = Key._guessStringType(OPENSSH_RSA_PUBLIC)
self.assertEqual('public_openssh', result)
def test_guessStringType_public_OpenSSH_ECDSA(self):
"""
Can recognize an OpenSSH public key.
"""
result = Key._guessStringType(keydata.publicECDSA_256_openssh)
self.assertEqual('public_openssh', result)
result = Key._guessStringType(keydata.publicECDSA_384_openssh)
self.assertEqual('public_openssh', result)
result = Key._guessStringType(keydata.publicECDSA_521_openssh)
self.assertEqual('public_openssh', result)
def test_guessStringType_private_SSHCOM(self):
"""
Can recognize an SSH.com private key.
"""
result = Key._guessStringType(SSHCOM_RSA_PRIVATE_NO_PASSWORD)
self.assertEqual('private_sshcom', result)
def test_guessStringType_public_SSHCOM(self):
"""
Can recognize an SSH.com public key.
"""
result = Key._guessStringType(SSHCOM_RSA_PUBLIC)
self.assertEqual('public_sshcom', result)
def test_guessStringType_putty(self):
"""
Can recognize a Putty private key.
"""
result = Key._guessStringType(PUTTY_RSA_PRIVATE_NO_PASSWORD)
self.assertEqual('private_putty', result)
def test_getKeyFormat_unknown(self):
"""
Inform using a human readable text that format is not known.
"""
result = Key.getKeyFormat('no-such-format')
self.assertEqual('Unknown format', result)
def test_getKeyFormat_known(self):
"""
Return the human readable description of key format.
"""
result = Key.getKeyFormat(SSHCOM_RSA_PUBLIC)
self.assertEqual('SSH.com Public', result)
def test_public_get(self):
"""
Return an instance of same class but with only public elements for
the private key.
"""
sut = Key.fromString(OPENSSH_RSA_PRIVATE)
result = sut.public()
self.assertFalse(sut.isPublic())
self.assertIsInstance(Key, result)
self.assertTrue(result.isPublic())
self.assertEqual(result.data()['e'], sut.data()['e'])
self.assertEqual(result.data()['n'], sut.data()['n'])
def test_fromFile(self):
"""
Test that fromFile works correctly.
"""
self.test_segments = mk.fs.createFileInTemp(
content=keydata.privateRSA_openssh)
key_path = mk.fs.getRealPathFromSegments(self.test_segments)
self.assertEqual(
keys.Key.fromFile(key_path),
keys.Key.fromString(keydata.privateRSA_openssh))
self.assertRaises(
keys.BadKeyError, keys.Key.fromFile, key_path, 'bad_type')
def test_fromString_type_unkwown(self):
"""
An exceptions is raised when reading a key for which type could not
be detected. Exception only contains the beginning of the content.
"""
content = mk.ascii() * 100
self.assertBadKey(
content, 'Cannot guess the type for \'%s\'' % content[:80])
def test_fromString_struct_errors(self):
"""
Errors caused by parsing the content are raises as BadKeyError.
"""
content = OPENSSH_DSA_PUBLIC[:32]
self.assertKeyParseError(content)
def test_fromString_errors(self):
"""
keys.Key.fromString should raise BadKeyError when the key is invalid.
"""
self.assertRaises(keys.BadKeyError, keys.Key.fromString, '')
# no key data with a bad key type
self.assertRaises(
keys.BadKeyError, keys.Key.fromString, '', 'bad_type')
# trying to decrypt a key which doesn't support encryption
self.assertRaises(
keys.BadKeyError,
keys.Key.fromString,
keydata.publicRSA_lsh, passphrase='unencrypted')
# trying to decrypt a key with the wrong passphrase
self.assertRaises(
keys.EncryptedKeyError,
keys.Key.fromString,
keys.Key(self.rsaObj).toString('openssh', 'encrypted'))
# key with no key data
self.assertRaises(
keys.BadKeyError,
keys.Key.fromString,
'-----BEGIN RSA KEY-----\nwA==\n')
# key with invalid DEK Info
self.assertRaises(
keys.BadKeyError,
keys.Key.fromString,
"""-----BEGIN ENCRYPTED RSA KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: weird type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-----END RSA PRIVATE KEY-----""", passphrase='encrypted')
# key with invalid encryption type
self.assertRaises(
keys.BadKeyError, keys.Key.fromString,
"""-----BEGIN ENCRYPTED RSA KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: FOO-123-BAR,01234567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-----END RSA PRIVATE KEY-----""", passphrase='encrypted')
# key with bad IV (AES)
self.assertRaises(
keys.BadKeyError, keys.Key.fromString,
"""-----BEGIN ENCRYPTED RSA KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,01234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-----END RSA PRIVATE KEY-----""", passphrase='encrypted')
# key with bad IV (DES3)
self.assertRaises(
keys.BadKeyError, keys.Key.fromString,
"""-----BEGIN ENCRYPTED RSA KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: DES-EDE3-CBC,01234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-----END RSA PRIVATE KEY-----""", passphrase='encrypted')
def test_toStringErrors(self):
"""
Test that toString raises errors appropriately.
"""
self.assertRaises(
keys.BadKeyError, keys.Key(self.rsaObj).toString, 'bad_type')
def test_fromBlob(self):
"""
Test that a public key is correctly generated from a public key blob.
"""
rsaBlob = common.NS('ssh-rsa') + common.MP(2) + common.MP(3)
rsaKey = keys.Key.fromString(rsaBlob)
dsaBlob = (
common.NS('ssh-dss') + common.MP(2) + common.MP(3) +
common.MP(4) + common.MP(5))
dsaKey = keys.Key.fromString(dsaBlob)
badBlob = common.NS('ssh-bad')
self.assertTrue(rsaKey.isPublic())
self.assertEqual(rsaKey.data(), {'e': 2L, 'n': 3L})
self.assertTrue(dsaKey.isPublic())
self.assertEqual(dsaKey.data(), {'p': 2L, 'q': 3L, 'g': 4L, 'y': 5L})
self.assertRaises(
keys.BadKeyError, keys.Key.fromString, badBlob)
def test_fromString_PRIVATE_BLOB(self):
"""
Test that a private key is correctly generated from a private key blob.
"""
rsaBlob = (common.NS('ssh-rsa') + common.MP(2) + common.MP(3) +
common.MP(4) + common.MP(5) + common.MP(6) + common.MP(7))
rsaKey = keys.Key._fromString_PRIVATE_BLOB(rsaBlob)
dsaBlob = (common.NS('ssh-dss') + common.MP(2) + common.MP(3) +
common.MP(4) + common.MP(5) + common.MP(6))
dsaKey = keys.Key._fromString_PRIVATE_BLOB(dsaBlob)
badBlob = common.NS('ssh-bad')
self.assertFalse(rsaKey.isPublic())
self.assertEqual(
rsaKey.data(),
{'n': 2L, 'e': 3L, 'd': 4L, 'u': 5L, 'p': 6L, 'q': 7L})
self.assertFalse(dsaKey.isPublic())
self.assertEqual(
dsaKey.data(), {'p': 2L, 'q': 3L, 'g': 4L, 'y': 5L, 'x': 6L})
self.assertRaises(
keys.BadKeyError, keys.Key._fromString_PRIVATE_BLOB, badBlob)
def test_blob(self):
"""
Test that the Key object generates blobs correctly.
"""
self.assertEqual(
keys.Key(self.rsaObj).blob(),
'\x00\x00\x00\x07ssh-rsa\x00\x00\x00\x01\x02'
'\x00\x00\x00\x01\x01')
self.assertEqual(
keys.Key(self.dsaObj).blob(),
'\x00\x00\x00\x07ssh-dss\x00\x00\x00\x01\x03'
'\x00\x00\x00\x01\x04\x00\x00\x00\x01\x02'
'\x00\x00\x00\x01\x01')
badKey = keys.Key(None)
self.assertRaises(RuntimeError, badKey.blob)
def test_privateBlob(self):
"""
L{Key.privateBlob} returns the SSH protocol-level format of the private
key and raises L{RuntimeError} if the underlying key object is invalid.
"""
self.assertEqual(
keys.Key(self.rsaObj).privateBlob(),
'\x00\x00\x00\x07ssh-rsa\x00\x00\x00\x01\x01'
'\x00\x00\x00\x01\x02\x00\x00\x00\x01\x03\x00'
'\x00\x00\x01\x04\x00\x00\x00\x01\x04\x00\x00'
'\x00\x01\x05')
self.assertEqual(
keys.Key(self.dsaObj).privateBlob(),
'\x00\x00\x00\x07ssh-dss\x00\x00\x00\x01\x03'
'\x00\x00\x00\x01\x04\x00\x00\x00\x01\x02\x00'
'\x00\x00\x01\x01\x00\x00\x00\x01\x05')
badKey = keys.Key(None)
self.assertRaises(RuntimeError, badKey.privateBlob)
def test_fromString_PUBLIC_OPENSSH_RSA(self):
"""
Can load public RSA OpenSSH key.
"""
sut = Key.fromString(OPENSSH_RSA_PUBLIC)
self.checkParsedRSAPublic1024(sut)
def test_fromString_PUBLIC_OPENSSH_RSA_too_short(self):
"""
An exception is raised when public RSA OpenSSH key is bad formatted.
"""
self.assertKeyIsTooShort('ssh-rsa')
def test_fromString_PUBLIC_OPENSSH_DSA(self):
"""
Can load a public OpenSSH in DSA format.
"""
sut = Key.fromString(OPENSSH_DSA_PUBLIC)
self.checkParsedDSAPublic1024(sut)
def test_fromString_OpenSSH(self):
"""
Test that keys are correctly generated from OpenSSH strings.
"""
self._testPublicPrivateFromString(
keydata.publicRSA_openssh,
keydata.privateRSA_openssh, 'RSA', keydata.RSAData)
self.assertEqual(
keys.Key.fromString(
keydata.privateRSA_openssh_encrypted,
passphrase='encrypted'),
keys.Key.fromString(keydata.privateRSA_openssh))
self.assertEqual(
keys.Key.fromString(
keydata.privateRSA_openssh_alternate),
keys.Key.fromString(keydata.privateRSA_openssh))
self._testPublicPrivateFromString(
keydata.publicDSA_openssh,
keydata.privateDSA_openssh, 'DSA', keydata.DSAData)
def test_fromString_PRIVATE_OPENSSH_with_whitespace(self):
"""
If key strings have trailing whitespace, it should be ignored.
"""
# from Twisted bug #3391, since our test key data doesn't have
# an issue with appended newlines
privateDSAData = """-----BEGIN DSA PRIVATE KEY-----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-----END DSA PRIVATE KEY-----"""
self.assertEqual(keys.Key.fromString(privateDSAData),
keys.Key.fromString(privateDSAData + '\n'))
def test_fromString_PRIVATE_OPENSSH_newer(self):
"""
Newer versions of OpenSSH generate encrypted keys which have a longer
IV than the older versions. These newer keys are also loaded.
"""
key = keys.Key.fromString(keydata.privateRSA_openssh_encrypted_aes,
passphrase='testxp')
self.assertEqual(key.type(), 'RSA')
key2 = keys.Key.fromString(
keydata.privateRSA_openssh_encrypted_aes + '\n',