Mercurial > p > roundup > code

annotate roundup/password.py @ 6007:e27a240430b8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
flake8 formatting changes.
author John Rouillard <rouilj@ieee.org>
date Sat, 28 Dec 2019 14:44:54 -0500
parents 6c3826600610
children 01e9634b81a4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1 #
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
3 # This module is free software, and you may redistribute it and/or modify
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
4 # under the same terms as Python, so long as this copyright message and
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
5 # disclaimer are retained in their original form.
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
6 #
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
10 # POSSIBILITY OF SUCH DAMAGE.
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
11 #
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
3434
1f860b50fa5f encodePassword: don't trim the salt string...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2277
diff changeset
17 #
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1905
diff changeset
18 """Password handling (encoding, decoding).
406
bdc2ea127ae9 Added module docstrings to all modules.
Jürgen Hermann <jhermann@users.sourceforge.net>
parents: 302
diff changeset
19 """
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1905
diff changeset
20 __docformat__ = 'restructuredtext'
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
21
5488
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
22 import re, string
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
23 from base64 import b64encode, b64decode
4982
9ba03348f923 Remove roundup/anypy/hashlib_.py
John Kristensen <john@jerrykan.com>
parents: 4760
diff changeset
24 from hashlib import md5, sha1
9ba03348f923 Remove roundup/anypy/hashlib_.py
John Kristensen <john@jerrykan.com>
parents: 4760
diff changeset
25
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
26 from roundup.anypy.strings import us2s, b2s, s2b
5488
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
27 import roundup.anypy.random_ as random_
5416
56c9bcdea47f Python 3 preparation: unicode.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5415
diff changeset
28
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
29 try:
1231
c0a40d7ec47c fix typo
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 1229
diff changeset
30 import crypt
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
31 except ImportError:
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
32 crypt = None
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
33
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
34 _bempty = b""
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
35 _bjoin = _bempty.join
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
36
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
37
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
38 def bchr(c):
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
39 if bytes == str:
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
40 # Python 2.
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
41 return chr(c)
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
42 else:
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
43 # Python 3.
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
44 return bytes((c,))
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
45
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
46
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
47 def bord(c):
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
48 if bytes == str:
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
49 # Python 2.
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
50 return ord(c)
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
51 else:
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
52 # Python 3. Elements of bytes are integers.
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
53 return c
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
54
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
55
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
56 # NOTE: PBKDF2 hash is using this variant of base64 to minimize encoding size,
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
57 # and have charset that's compatible w/ unix crypt variants
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
58 def h64encode(data):
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
59 """encode using variant of base64"""
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
60 return b2s(b64encode(data, b"./").strip(b"=\n"))
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
61
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
62
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
63 def h64decode(data):
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
64 """decode using variant of base64"""
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
65 data = s2b(data)
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
66 off = len(data) % 4
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
67 if off == 0:
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
68 return b64decode(data, b"./")
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
69 elif off == 1:
4683
2f66d44616ad windows: Fix failing password tests due to missing crypt module
anatoly techtonik <techtonik@gmail.com>
parents: 4570
diff changeset
70 raise ValueError("Invalid base64 input")
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
71 elif off == 2:
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
72 return b64decode(data + b"==", b"./")
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
73 else:
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
74 return b64decode(data + b"=", b"./")
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
75
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
76
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
77 try:
5483
3d0f71775e42 use PBKDF2 implementation from Python's hashlib, if available
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5454
diff changeset
78 from hashlib import pbkdf2_hmac
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
79
5483
3d0f71775e42 use PBKDF2 implementation from Python's hashlib, if available
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5454
diff changeset
80 def _pbkdf2(password, salt, rounds, keylen):
3d0f71775e42 use PBKDF2 implementation from Python's hashlib, if available
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5454
diff changeset
81 return pbkdf2_hmac('sha1', password, salt, rounds, keylen)
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
82 except ImportError:
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
83 # no hashlib.pbkdf2_hmac - make our own pbkdf2 function
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
84 from struct import pack
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
85 from hmac import HMAC
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
86
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
87 def xor_bytes(left, right):
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
88 "perform bitwise-xor of two byte-strings"
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
89 return _bjoin(bchr(bord(l) ^ bord(r)) for l, r in zip(left, right))
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
90
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
91 def _pbkdf2(password, salt, rounds, keylen):
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
92 digest_size = 20 # sha1 generates 20-byte blocks
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
93 total_blocks = int((keylen+digest_size-1)/digest_size)
4982
9ba03348f923 Remove roundup/anypy/hashlib_.py
John Kristensen <john@jerrykan.com>
parents: 4760
diff changeset
94 hmac_template = HMAC(password, None, sha1)
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
95 out = _bempty
5391
a391a071d045 Python 3 preparation: use range() instead of xrange().
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
96 for i in range(1, total_blocks+1):
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
97 hmac = hmac_template.copy()
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
98 hmac.update(salt + pack(">L", i))
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
99 block = tmp = hmac.digest()
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
100 for _j in range(rounds-1):
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
101 hmac = hmac_template.copy()
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
102 hmac.update(tmp)
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
103 tmp = hmac.digest()
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
104 # TODO: need to speed up this call
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
105 block = xor_bytes(block, tmp)
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
106 out += block
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
107 return out[:keylen]
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
108
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
109
5053
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
110 def ssha(password, salt):
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
111 ''' Make ssha digest from password and salt.
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
112 Based on code of Roberto Aguilar <roberto@baremetal.io>
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
113 https://gist.github.com/rca/7217540
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
114 '''
6000
6c3826600610 Bandit - silence old hash warnings.
John Rouillard <rouilj@ieee.org>
parents: 5630
diff changeset
115 shaval = sha1(password) # nosec
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
116 shaval.update(salt)
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
117 ssha_digest = b64encode(shaval.digest() + salt).strip()
5053
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
118 return ssha_digest
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
119
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
120
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
121 def pbkdf2(password, salt, rounds, keylen):
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
122 """pkcs#5 password-based key derivation v2.0
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
123
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
124 :arg password: passphrase to use to generate key (if unicode,
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
125 converted to utf-8)
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
126 :arg salt: salt bytes to use when generating key
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
127 :param rounds: number of rounds to use to generate key
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
128 :arg keylen: number of bytes to generate
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
129
5483
3d0f71775e42 use PBKDF2 implementation from Python's hashlib, if available
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5454
diff changeset
130 If hashlib supports pbkdf2, uses it's implementation as backend.
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
131
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
132 :returns:
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
133 raw bytes of generated key
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
134 """
5416
56c9bcdea47f Python 3 preparation: unicode.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5415
diff changeset
135 password = s2b(us2s(password))
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
136 if keylen > 40:
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
137 # NOTE: pbkdf2 allows up to (2**31-1)*20 bytes,
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
138 # but m2crypto has issues on some platforms above 40,
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
139 # and such sizes aren't needed for a password hash anyways...
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5356
diff changeset
140 raise ValueError("key length too large")
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
141 if rounds < 1:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5356
diff changeset
142 raise ValueError("rounds must be positive number")
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
143 return _pbkdf2(password, salt, rounds, keylen)
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
144
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
145
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1583
diff changeset
146 class PasswordValueError(ValueError):
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
147 """ The password value is not valid """
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1583
diff changeset
148 pass
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1583
diff changeset
149
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
150
4484
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
151 def pbkdf2_unpack(pbkdf2):
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
152 """ unpack pbkdf2 encrypted password into parts,
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
153 assume it has format "{rounds}${salt}${digest}
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
154 """
5416
56c9bcdea47f Python 3 preparation: unicode.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5415
diff changeset
155 pbkdf2 = us2s(pbkdf2)
4484
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
156 try:
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
157 rounds, salt, digest = pbkdf2.split("$")
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
158 except ValueError:
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
159 raise PasswordValueError("invalid PBKDF2 hash (wrong number of "
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
160 "separators)")
4484
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
161 if rounds.startswith("0"):
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5356
diff changeset
162 raise PasswordValueError("invalid PBKDF2 hash (zero-padded rounds)")
4484
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
163 try:
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
164 rounds = int(rounds)
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
165 except ValueError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5356
diff changeset
166 raise PasswordValueError("invalid PBKDF2 hash (invalid rounds)")
4484
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
167 raw_salt = h64decode(salt)
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
168 return rounds, salt, raw_salt, digest
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
169
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
170
4486
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
171 def encodePassword(plaintext, scheme, other=None, config=None):
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
172 """Encrypt the plaintext password.
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
173 """
1343
2e557762ee87 fixed handling of missing password [SF#655632]
Richard Jones <richard@users.sourceforge.net>
parents: 1231
diff changeset
174 if plaintext is None:
2e557762ee87 fixed handling of missing password [SF#655632]
Richard Jones <richard@users.sourceforge.net>
parents: 1231
diff changeset
175 plaintext = ""
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
176 if scheme == "PBKDF2":
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
177 if other:
4484
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
178 rounds, salt, raw_salt, digest = pbkdf2_unpack(other)
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
179 else:
5488
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
180 raw_salt = random_.token_bytes(20)
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
181 salt = h64encode(raw_salt)
4486
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
182 if config:
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
183 rounds = config.PASSWORD_PBKDF2_DEFAULT_ROUNDS
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
184 else:
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
185 rounds = 10000
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
186 if rounds < 1000:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5356
diff changeset
187 raise PasswordValueError("invalid PBKDF2 hash (rounds too low)")
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
188 raw_digest = pbkdf2(plaintext, raw_salt, rounds, 20)
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
189 return "%d$%s$%s" % (rounds, salt, h64encode(raw_digest))
5053
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
190 elif scheme == 'SSHA':
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
191 if other:
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
192 raw_other = b64decode(other)
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
193 salt = raw_other[20:]
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
194 else:
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
195 # new password
5053
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
196 # variable salt length
5488
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
197 salt_len = random_.randbelow(52-36) + 36
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
198 salt = random_.token_bytes(salt_len)
5454
fbbcbfc6dad0 fix encoding for hash functions
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5428
diff changeset
199 s = ssha(s2b(plaintext), salt)
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
200 elif scheme == 'SHA':
6000
6c3826600610 Bandit - silence old hash warnings.
John Rouillard <rouilj@ieee.org>
parents: 5630
diff changeset
201 s = sha1(s2b(plaintext)).hexdigest() # nosec
2277
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
202 elif scheme == 'MD5':
6000
6c3826600610 Bandit - silence old hash warnings.
John Rouillard <rouilj@ieee.org>
parents: 5630
diff changeset
203 s = md5(s2b(plaintext)).hexdigest() # nosec
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
204 elif scheme == 'crypt' and crypt is not None:
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
205 if other is not None:
3434
1f860b50fa5f encodePassword: don't trim the salt string...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2277
diff changeset
206 salt = other
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
207 else:
5415
2d6a92c3e212 Python 3 preparation: use string.ascii_letters instead of string.letters.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5414
diff changeset
208 saltchars = './0123456789'+string.ascii_letters
5488
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
209 salt = random_.choice(saltchars) + random_.choice(saltchars)
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
210 s = crypt.crypt(plaintext, salt)
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
211 elif scheme == 'plaintext':
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
212 s = plaintext
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
213 else:
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
214 raise PasswordValueError('Unknown encryption scheme %r' % scheme)
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
215 return s
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
216
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
217
4760
efdce3d32698 Increase generated password length to 12 symbols.
anatoly techtonik <techtonik@gmail.com>
parents: 4683
diff changeset
218 def generatePassword(length=12):
5415
2d6a92c3e212 Python 3 preparation: use string.ascii_letters instead of string.letters.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5414
diff changeset
219 chars = string.ascii_letters+string.digits
5488
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
220 password = [random_.choice(chars) for x in range(length - 1)]
4760
efdce3d32698 Increase generated password length to 12 symbols.
anatoly techtonik <techtonik@gmail.com>
parents: 4683
diff changeset
221 # make sure there is at least one digit
5488
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
222 digitidx = random_.randbelow(length)
52cb53eedf77 reworked random number use
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5483
diff changeset
223 password[digitidx:digitidx] = [random_.choice(string.digits)]
4760
efdce3d32698 Increase generated password length to 12 symbols.
anatoly techtonik <techtonik@gmail.com>
parents: 4683
diff changeset
224 return ''.join(password)
1583
caae7d8934dc set new email rego user password to random string
Richard Jones <richard@users.sourceforge.net>
parents: 1343
diff changeset
225
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
226
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
227 class JournalPassword:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
228 """ Password dummy instance intended for journal operation.
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
229 We do not store passwords in the journal any longer. The dummy
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
230 version only reads the encryption scheme from the given
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
231 encrypted password.
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
232 """
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
233 default_scheme = 'PBKDF2' # new encryptions use this scheme
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
234 pwre = re.compile(r'{(\w+)}(.+)')
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
235
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
236 def __init__(self, encrypted=''):
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
237 if isinstance(encrypted, self.__class__):
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
238 self.scheme = encrypted.scheme or self.default_scheme
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
239 else:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
240 m = self.pwre.match(encrypted)
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
241 if m:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
242 self.scheme = m.group(1)
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
243 else:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
244 self.scheme = self.default_scheme
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
245 self.password = ''
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
246
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
247 def dummystr(self):
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
248 """ return dummy string to store in journal
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
249 - reports scheme, but nothing else
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
250 """
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
251 return "{%s}*encrypted*" % (self.scheme,)
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
252
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
253 __str__ = dummystr
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
254
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
255 def __eq__(self, other):
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
256 """Compare this password against another password."""
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
257 # check to see if we're comparing instances
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
258 if isinstance(other, self.__class__):
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
259 if self.scheme != other.scheme:
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
260 return False
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
261 return self.password == other.password
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
262
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
263 # assume password is plaintext
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
264 if self.password is None:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5356
diff changeset
265 raise ValueError('Password not set')
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
266 return self.password == encodePassword(other, self.scheme,
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
267 self.password or None)
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
268
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
269 def __ne__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5391
diff changeset
270 return not self.__eq__(other)
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
271
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
272
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4480
diff changeset
273 class Password(JournalPassword):
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
274 """The class encapsulates a Password property type value in the database.
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
275
2277
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
276 The encoding of the password is one if None, 'SHA', 'MD5' or 'plaintext'.
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
277 The encodePassword function is used to actually encode the password from
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
278 plaintext. The None encoding is used in legacy databases where no
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
279 encoding scheme is identified.
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
280
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
281 The scheme is stored with the encoded data in the database:
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
282 {scheme}data
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
283
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
284 Example usage:
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
285 >>> p = Password('sekrit')
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
286 >>> p == 'sekrit'
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
287 1
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
288 >>> p != 'not sekrit'
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
289 1
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
290 >>> 'sekrit' == p
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
291 1
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
292 >>> 'not sekrit' != p
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
293 1
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
294 """
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
295 # TODO: code to migrate from old password schemes.
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
296
4485
95aace124a8e use idea from Eli Collins to use a list of deprecated password encoding schemes
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4484
diff changeset
297 deprecated_schemes = ["SHA", "MD5", "crypt", "plaintext"]
5053
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
298 known_schemes = ["PBKDF2", "SSHA"] + deprecated_schemes
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
299
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
300 def __init__(self, plaintext=None, scheme=None, encrypted=None,
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
301 strict=False, config=None):
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
302 """Call setPassword if plaintext is not None."""
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
303 if scheme is None:
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
304 scheme = self.default_scheme
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
305 if plaintext is not None:
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
306 self.setPassword(plaintext, scheme, config=config)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
307 elif encrypted is not None:
4486
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
308 self.unpack(encrypted, scheme, strict=strict, config=config)
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
309 else:
3439
822a2719b81b keep plaintext password in Password object property (rfe [SF#1379447])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3434
diff changeset
310 self.scheme = self.default_scheme
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
311 self.password = None
3439
822a2719b81b keep plaintext password in Password object property (rfe [SF#1379447])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3434
diff changeset
312 self.plaintext = None
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
313
5630
07abc8d36940 Add etag support to rest interface to prevent multiple users from
John Rouillard <rouilj@ieee.org>
parents: 5490
diff changeset
314 def __repr__(self):
07abc8d36940 Add etag support to rest interface to prevent multiple users from
John Rouillard <rouilj@ieee.org>
parents: 5490
diff changeset
315 return self.__str__()
07abc8d36940 Add etag support to rest interface to prevent multiple users from
John Rouillard <rouilj@ieee.org>
parents: 5490
diff changeset
316
4484
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
317 def needs_migration(self):
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
318 """ Password has insecure scheme or other insecure parameters
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
319 and needs migration to new password scheme
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
320 """
4485
95aace124a8e use idea from Eli Collins to use a list of deprecated password encoding schemes
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4484
diff changeset
321 if self.scheme in self.deprecated_schemes:
4484
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
322 return True
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
323 rounds, salt, raw_salt, digest = pbkdf2_unpack(self.password)
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
324 if rounds < 1000:
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
325 return True
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
326 return False
52e13bf0bb40 Add new config-option 'migrate_passwords' in section 'web'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4483
diff changeset
327
4486
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
328 def unpack(self, encrypted, scheme=None, strict=False, config=None):
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
329 """Set the password info from the scheme:<encryted info> string
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
330 (the inverse of __str__)
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
331 """
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
332 m = self.pwre.match(encrypted)
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
333 if m:
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
334 self.scheme = m.group(1)
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
335 self.password = m.group(2)
3439
822a2719b81b keep plaintext password in Password object property (rfe [SF#1379447])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3434
diff changeset
336 self.plaintext = None
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
337 else:
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
338 # currently plaintext - encrypt
4486
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
339 self.setPassword(encrypted, scheme, config=config)
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
340 if strict and self.scheme not in self.known_schemes:
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
341 raise PasswordValueError("Unknown encryption scheme: %r" %
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
342 (self.scheme,))
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
343
4486
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
344 def setPassword(self, plaintext, scheme=None, config=None):
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
345 """Sets encrypts plaintext."""
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
346 if scheme is None:
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
347 scheme = self.default_scheme
3439
822a2719b81b keep plaintext password in Password object property (rfe [SF#1379447])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3434
diff changeset
348 self.scheme = scheme
4486
693c75d56ebe Add new config-option 'password_pbkdf2_default_rounds'...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4485
diff changeset
349 self.password = encodePassword(plaintext, scheme, config=config)
3439
822a2719b81b keep plaintext password in Password object property (rfe [SF#1379447])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3434
diff changeset
350 self.plaintext = plaintext
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
351
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
352 def __str__(self):
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 3439
diff changeset
353 """Stringify the encrypted password for database storage."""
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
354 if self.password is None:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5356
diff changeset
355 raise ValueError('Password not set')
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
356 return '{%s}%s' % (self.scheme, self.password)
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
357
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
358
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
359 def test():
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
360 # SHA
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
361 p = Password('sekrit')
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
362 assert p == 'sekrit'
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
363 assert p != 'not sekrit'
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
364 assert 'sekrit' == p
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
365 assert 'not sekrit' != p
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
366
2277
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
367 # MD5
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
368 p = Password('sekrit', 'MD5')
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
369 assert p == 'sekrit'
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
370 assert p != 'not sekrit'
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
371 assert 'sekrit' == p
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
372 assert 'not sekrit' != p
c9e52addda42 added MD5 scheme for password hiding
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
373
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
374 # crypt
4683
2f66d44616ad windows: Fix failing password tests due to missing crypt module
anatoly techtonik <techtonik@gmail.com>
parents: 4570
diff changeset
375 if crypt: # not available on Windows
2f66d44616ad windows: Fix failing password tests due to missing crypt module
anatoly techtonik <techtonik@gmail.com>
parents: 4570
diff changeset
376 p = Password('sekrit', 'crypt')
2f66d44616ad windows: Fix failing password tests due to missing crypt module
anatoly techtonik <techtonik@gmail.com>
parents: 4570
diff changeset
377 assert p == 'sekrit'
2f66d44616ad windows: Fix failing password tests due to missing crypt module
anatoly techtonik <techtonik@gmail.com>
parents: 4570
diff changeset
378 assert p != 'not sekrit'
2f66d44616ad windows: Fix failing password tests due to missing crypt module
anatoly techtonik <techtonik@gmail.com>
parents: 4570
diff changeset
379 assert 'sekrit' == p
2f66d44616ad windows: Fix failing password tests due to missing crypt module
anatoly techtonik <techtonik@gmail.com>
parents: 4570
diff changeset
380 assert 'not sekrit' != p
1229
5c581b120738 added "crypt" password encoding...
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
381
5053
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
382 # SSHA
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
383 p = Password('sekrit', 'SSHA')
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
384 assert p == 'sekrit'
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
385 assert p != 'not sekrit'
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
386 assert 'sekrit' == p
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
387 assert 'not sekrit' != p
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4982
diff changeset
388
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
389 # PBKDF2 - low level function
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
390 from binascii import unhexlify
5428
1f1899658115 Python 3 preparation: use bytes more in password handling.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5416
diff changeset
391 k = pbkdf2("password", b"ATHENA.MIT.EDUraeburn", 1200, 32)
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
392 assert k == unhexlify("5c08eb61fdf71e4e4ec3cf6ba1f5512ba7e52ddbc5e5142f708a31e2e62b1e13")
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
393
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
394 # PBKDF2 - hash function
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
395 h = "5000$7BvbBq.EZzz/O0HuwX3iP.nAG3s$g3oPnFFaga2BJaX5PoPRljl4XIE"
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
396 assert encodePassword("sekrit", "PBKDF2", h) == h
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
397
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
398 # PBKDF2 - high level integration
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
399 p = Password('sekrit', 'PBKDF2')
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
400 assert p == 'sekrit'
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
401 assert p != 'not sekrit'
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
402 assert 'sekrit' == p
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
403 assert 'not sekrit' != p
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
404
6007
e27a240430b8 flake8 formatting changes.
John Rouillard <rouilj@ieee.org>
parents: 6000
diff changeset
405
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
406 if __name__ == '__main__':
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
407 test()
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
408
3434
1f860b50fa5f encodePassword: don't trim the salt string...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2277
diff changeset
409 # vim: set filetype=python sts=4 sw=4 et si :
Roundup Issue Tracker: http://roundup-tracker.org/