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Code Issues Releases Wiki Activity

Bump passphrase pbkdf interations count to 100,000.

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Other test improvements
This commit is contained in:
Jonas Borgström 2013-06-22 23:08:53 +02:00
parent 599292650c
commit 2f3489e989
1 changed files with 36 additions and 11 deletions
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47
darc/key.py
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@ -1,7 +1,8 @@
from binascii import hexlify, a2b_base64, b2a_base64
from binascii import hexlify, unhexlify, a2b_base64, b2a_base64
from getpass import getpass
import os
import msgpack
import re
import shutil
import tempfile
import textwrap
@ -135,7 +136,7 @@ def init_ciphers(self, enc_iv=b''):
class PassphraseKey(AESKeyBase):
TYPE = PASSPHRASE
iterations = 10000
iterations = 100000
@classmethod
def create(cls, repository, args):
@ -303,6 +304,25 @@ def create(cls, repository, args):
class KeyTestCase(unittest.TestCase):
class MockArgs(object):
repository = Location(tempfile.mkstemp()[1])
keyfile2_key_file = """
DARC KEY 0000000000000000000000000000000000000000000000000000000000000000
hqppdGVyYXRpb25zzgABhqCkaGFzaNoAIMyonNI+7Cjv0qHi0AOBM6bLGxACJhfgzVD2oq
bIS9SFqWFsZ29yaXRobaZzaGEyNTakc2FsdNoAINNK5qqJc1JWSUjACwFEWGTdM7Nd0a5l
1uBGPEb+9XM9p3ZlcnNpb24BpGRhdGHaANAYDT5yfPpU099oBJwMomsxouKyx/OG4QIXK2
hQCG2L2L/9PUu4WIuKvGrsXoP7syemujNfcZws5jLp2UPva4PkQhQsrF1RYDEMLh2eF9Ol
rwtkThq1tnh7KjWMG9Ijt7/aoQtq0zDYP/xaFF8XXSJxiyP5zjH5+spB6RL0oQHvbsliSh
/cXJq7jrqmrJ1phd6dg4SHAM/i+hubadZoS6m25OQzYAW09wZD/phG8OVa698Z5ed3HTaT
SmrtgJL3EoOKgUI9d6BLE4dJdBqntifo""".strip()
keyfile2_cdata = unhexlify(re.sub('\W', '', """
0055f161493fcfc16276e8c31493c4641e1eb19a79d0326fad0291e5a9c98e5933
00000000000003e8d21eaf9b86c297a8cd56432e1915bb
"""))
keyfile2_id = unhexlify('c3fbf14bc001ebcc3cd86e696c13482ed071740927cd7cbe1b01b4bfcee49314')
def setUp(self):
self.tmppath = tempfile.mkdtemp()
os.environ['DARC_KEYS_DIR'] = self.tmppath
@ -315,7 +335,7 @@ class _Location(object):
orig = '/some/place'
_location = _Location()
id = b'\0' * 32
id = bytes(32)
def setUp(self):
self.tmpdir = tempfile.mkdtemp()
@ -331,10 +351,8 @@ def test_plaintext(self):
self.assertEqual(data, key.decrypt(key.id_hash(data), key.encrypt(data)))
def test_keyfile(self):
class MockArgs(object):
repository = Location(tempfile.mkstemp()[1])
os.environ['DARC_PASSPHRASE'] = 'test'
key = KeyfileKey.create(self.MockRepository(), MockArgs())
key = KeyfileKey.create(self.MockRepository(), self.MockArgs())
self.assertEqual(bytes_to_long(key.enc_cipher.iv, 8), 0)
manifest = key.encrypt(b'')
iv = key.extract_iv(manifest)
@ -346,14 +364,21 @@ class MockArgs(object):
data = b'foo'
self.assertEqual(data, key2.decrypt(key.id_hash(data), key.encrypt(data)))
def test_keyfile2(self):
with open(os.path.join(os.environ['DARC_KEYS_DIR'], 'keyfile'), 'w') as fd:
fd.write(self.keyfile2_key_file)
os.environ['DARC_PASSPHRASE'] = 'passphrase'
key = KeyfileKey.detect(self.MockRepository(), self.keyfile2_cdata)
self.assertEqual(key.decrypt(self.keyfile2_id, self.keyfile2_cdata), b'payload')
def test_passphrase(self):
os.environ['DARC_PASSPHRASE'] = 'test'
key = PassphraseKey.create(self.MockRepository(), None)
self.assertEqual(bytes_to_long(key.enc_cipher.iv, 8), 0)
self.assertEqual(hexlify(key.id_key), b'f28e915da78a972786da47fee6c4bd2960a421b9bdbdb35a7942eb82552e9a72')
self.assertEqual(hexlify(key.enc_hmac_key), b'169c6082f209e524ea97e2c75318936f6e93c101b9345942a95491e9ae1738ca')
self.assertEqual(hexlify(key.enc_key), b'c05dd423843d4dd32a52e4dc07bb11acabe215917fc5cf3a3df6c92b47af79ba')
self.assertEqual(key.chunk_seed, -324662077)
self.assertEqual(hexlify(key.id_key), b'793b0717f9d8fb01c751a487e9b827897ceea62409870600013fbc6b4d8d7ca6')
self.assertEqual(hexlify(key.enc_hmac_key), b'b885a05d329a086627412a6142aaeb9f6c54ab7950f996dd65587251f6bc0901')
self.assertEqual(hexlify(key.enc_key), b'2ff3654c6daf7381dbbe718d2b20b4f1ea1e34caa6cc65f6bb3ac376b93fed2a')
self.assertEqual(key.chunk_seed, -775740477)
manifest = key.encrypt(b'')
iv = key.extract_iv(manifest)
key2 = PassphraseKey.detect(self.MockRepository(), manifest)
@ -363,7 +388,7 @@ def test_passphrase(self):
self.assertEqual(key.enc_key, key2.enc_key)
self.assertEqual(key.chunk_seed, key2.chunk_seed)
data = b'foo'
self.assertEqual(hexlify(key.id_hash(data)), b'016c27cd40dc8e84f196f3b43a9424e8472897e09f6935d0d3a82fb41664bad7')
self.assertEqual(hexlify(key.id_hash(data)), b'818217cf07d37efad3860766dcdf1d21e401650fed2d76ed1d797d3aae925990')
self.assertEqual(data, key2.decrypt(key2.id_hash(data), key.encrypt(data)))