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"""
passlib.tests -- tests for passlib.utils.pbkdf2
.. warning::
This module & it's functions have been deprecated, and superceded
by the functions in passlib.crypto. This file is being maintained
until the deprecated functions are removed, and is only present prevent
historical regressions up to that point. New and more thorough testing
is being done by the replacement tests in ``test_utils_crypto.py``.
"""
#=============================================================================
# imports
#=============================================================================
from __future__ import with_statement
# core
import hashlib
import warnings
# site
# pkg
# module
from passlib.utils.compat import u, JYTHON
from passlib.tests.utils import TestCase, hb
#=============================================================================
# test assorted crypto helpers
#=============================================================================
class UtilsTest(TestCase):
"""test various utils functions"""
descriptionPrefix = "passlib.utils.pbkdf2"
ndn_formats = ["hashlib", "iana"]
ndn_values = [
# (iana name, hashlib name, ... other unnormalized names)
("md5", "md5", "SCRAM-MD5-PLUS", "MD-5"),
("sha1", "sha-1", "SCRAM-SHA-1", "SHA1"),
("sha256", "sha-256", "SHA_256", "sha2-256"),
("ripemd", "ripemd", "SCRAM-RIPEMD", "RIPEMD"),
("ripemd160", "ripemd-160",
"SCRAM-RIPEMD-160", "RIPEmd160"),
("test128", "test-128", "TEST128"),
("test2", "test2", "TEST-2"),
("test3_128", "test3-128", "TEST-3-128"),
]
def setUp(self):
super(UtilsTest, self).setUp()
warnings.filterwarnings("ignore", ".*passlib.utils.pbkdf2.*deprecated", DeprecationWarning)
def test_norm_hash_name(self):
"""norm_hash_name()"""
from itertools import chain
from passlib.utils.pbkdf2 import norm_hash_name
from passlib.crypto.digest import _known_hash_names
# test formats
for format in self.ndn_formats:
norm_hash_name("md4", format)
self.assertRaises(ValueError, norm_hash_name, "md4", None)
self.assertRaises(ValueError, norm_hash_name, "md4", "fake")
# test types
self.assertEqual(norm_hash_name(u("MD4")), "md4")
self.assertEqual(norm_hash_name(b"MD4"), "md4")
self.assertRaises(TypeError, norm_hash_name, None)
# test selected results
with warnings.catch_warnings():
warnings.filterwarnings("ignore", '.*unknown hash')
for row in chain(_known_hash_names, self.ndn_values):
for idx, format in enumerate(self.ndn_formats):
correct = row[idx]
for value in row:
result = norm_hash_name(value, format)
self.assertEqual(result, correct,
"name=%r, format=%r:" % (value,
format))
#=============================================================================
# test PBKDF1 support
#=============================================================================
class Pbkdf1_Test(TestCase):
"""test kdf helpers"""
descriptionPrefix = "passlib.utils.pbkdf2.pbkdf1()"
pbkdf1_tests = [
# (password, salt, rounds, keylen, hash, result)
#
# from http://www.di-mgt.com.au/cryptoKDFs.html
#
(b'password', hb('78578E5A5D63CB06'), 1000, 16, 'sha1', hb('dc19847e05c64d2faf10ebfb4a3d2a20')),
#
# custom
#
(b'password', b'salt', 1000, 0, 'md5', b''),
(b'password', b'salt', 1000, 1, 'md5', hb('84')),
(b'password', b'salt', 1000, 8, 'md5', hb('8475c6a8531a5d27')),
(b'password', b'salt', 1000, 16, 'md5', hb('8475c6a8531a5d27e386cd496457812c')),
(b'password', b'salt', 1000, None, 'md5', hb('8475c6a8531a5d27e386cd496457812c')),
(b'password', b'salt', 1000, None, 'sha1', hb('4a8fd48e426ed081b535be5769892fa396293efb')),
]
if not JYTHON:
pbkdf1_tests.append(
(b'password', b'salt', 1000, None, 'md4', hb('f7f2e91100a8f96190f2dd177cb26453'))
)
def setUp(self):
super(Pbkdf1_Test, self).setUp()
warnings.filterwarnings("ignore", ".*passlib.utils.pbkdf2.*deprecated", DeprecationWarning)
def test_known(self):
"""test reference vectors"""
from passlib.utils.pbkdf2 import pbkdf1
for secret, salt, rounds, keylen, digest, correct in self.pbkdf1_tests:
result = pbkdf1(secret, salt, rounds, keylen, digest)
self.assertEqual(result, correct)
def test_border(self):
"""test border cases"""
from passlib.utils.pbkdf2 import pbkdf1
def helper(secret=b'secret', salt=b'salt', rounds=1, keylen=1, hash='md5'):
return pbkdf1(secret, salt, rounds, keylen, hash)
helper()
# salt/secret wrong type
self.assertRaises(TypeError, helper, secret=1)
self.assertRaises(TypeError, helper, salt=1)
# non-existent hashes
self.assertRaises(ValueError, helper, hash='missing')
# rounds < 1 and wrong type
self.assertRaises(ValueError, helper, rounds=0)
self.assertRaises(TypeError, helper, rounds='1')
# keylen < 0, keylen > block_size, and wrong type
self.assertRaises(ValueError, helper, keylen=-1)
self.assertRaises(ValueError, helper, keylen=17, hash='md5')
self.assertRaises(TypeError, helper, keylen='1')
#=============================================================================
# test PBKDF2 support
#=============================================================================
class Pbkdf2_Test(TestCase):
"""test pbkdf2() support"""
descriptionPrefix = "passlib.utils.pbkdf2.pbkdf2()"
pbkdf2_test_vectors = [
# (result, secret, salt, rounds, keylen, prf="sha1")
#
# from rfc 3962
#
# test case 1 / 128 bit
(
hb("cdedb5281bb2f801565a1122b2563515"),
b"password", b"ATHENA.MIT.EDUraeburn", 1, 16
),
# test case 2 / 128 bit
(
hb("01dbee7f4a9e243e988b62c73cda935d"),
b"password", b"ATHENA.MIT.EDUraeburn", 2, 16
),
# test case 2 / 256 bit
(
hb("01dbee7f4a9e243e988b62c73cda935da05378b93244ec8f48a99e61ad799d86"),
b"password", b"ATHENA.MIT.EDUraeburn", 2, 32
),
# test case 3 / 256 bit
(
hb("5c08eb61fdf71e4e4ec3cf6ba1f5512ba7e52ddbc5e5142f708a31e2e62b1e13"),
b"password", b"ATHENA.MIT.EDUraeburn", 1200, 32
),
# test case 4 / 256 bit
(
hb("d1daa78615f287e6a1c8b120d7062a493f98d203e6be49a6adf4fa574b6e64ee"),
b"password", b'\x12\x34\x56\x78\x78\x56\x34\x12', 5, 32
),
# test case 5 / 256 bit
(
hb("139c30c0966bc32ba55fdbf212530ac9c5ec59f1a452f5cc9ad940fea0598ed1"),
b"X"*64, b"pass phrase equals block size", 1200, 32
),
# test case 6 / 256 bit
(
hb("9ccad6d468770cd51b10e6a68721be611a8b4d282601db3b36be9246915ec82a"),
b"X"*65, b"pass phrase exceeds block size", 1200, 32
),
#
# from rfc 6070
#
(
hb("0c60c80f961f0e71f3a9b524af6012062fe037a6"),
b"password", b"salt", 1, 20,
),
(
hb("ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957"),
b"password", b"salt", 2, 20,
),
(
hb("4b007901b765489abead49d926f721d065a429c1"),
b"password", b"salt", 4096, 20,
),
# just runs too long - could enable if ALL option is set
##(
##
## unhexlify("eefe3d61cd4da4e4e9945b3d6ba2158c2634e984"),
## "password", "salt", 16777216, 20,
##),
(
hb("3d2eec4fe41c849b80c8d83662c0e44a8b291a964cf2f07038"),
b"passwordPASSWORDpassword",
b"saltSALTsaltSALTsaltSALTsaltSALTsalt",
4096, 25,
),
(
hb("56fa6aa75548099dcc37d7f03425e0c3"),
b"pass\00word", b"sa\00lt", 4096, 16,
),
#
# from example in http://grub.enbug.org/Authentication
#
(
hb("887CFF169EA8335235D8004242AA7D6187A41E3187DF0CE14E256D85ED"
"97A97357AAA8FF0A3871AB9EEFF458392F462F495487387F685B7472FC"
"6C29E293F0A0"),
b"hello",
hb("9290F727ED06C38BA4549EF7DE25CF5642659211B7FC076F2D28FEFD71"
"784BB8D8F6FB244A8CC5C06240631B97008565A120764C0EE9C2CB0073"
"994D79080136"),
10000, 64, "hmac-sha512"
),
#
# custom
#
(
hb('e248fb6b13365146f8ac6307cc222812'),
b"secret", b"salt", 10, 16, "hmac-sha1",
),
(
hb('e248fb6b13365146f8ac6307cc2228127872da6d'),
b"secret", b"salt", 10, None, "hmac-sha1",
),
]
def setUp(self):
super(Pbkdf2_Test, self).setUp()
warnings.filterwarnings("ignore", ".*passlib.utils.pbkdf2.*deprecated", DeprecationWarning)
def test_known(self):
"""test reference vectors"""
from passlib.utils.pbkdf2 import pbkdf2
for row in self.pbkdf2_test_vectors:
correct, secret, salt, rounds, keylen = row[:5]
prf = row[5] if len(row) == 6 else "hmac-sha1"
result = pbkdf2(secret, salt, rounds, keylen, prf)
self.assertEqual(result, correct)
def test_border(self):
"""test border cases"""
from passlib.utils.pbkdf2 import pbkdf2
def helper(secret=b'password', salt=b'salt', rounds=1, keylen=None, prf="hmac-sha1"):
return pbkdf2(secret, salt, rounds, keylen, prf)
helper()
# invalid rounds
self.assertRaises(ValueError, helper, rounds=-1)
self.assertRaises(ValueError, helper, rounds=0)
self.assertRaises(TypeError, helper, rounds='x')
# invalid keylen
self.assertRaises(ValueError, helper, keylen=-1)
self.assertRaises(ValueError, helper, keylen=0)
helper(keylen=1)
self.assertRaises(OverflowError, helper, keylen=20*(2**32-1)+1)
self.assertRaises(TypeError, helper, keylen='x')
# invalid secret/salt type
self.assertRaises(TypeError, helper, salt=5)
self.assertRaises(TypeError, helper, secret=5)
# invalid hash
self.assertRaises(ValueError, helper, prf='hmac-foo')
self.assertRaises(NotImplementedError, helper, prf='foo')
self.assertRaises(TypeError, helper, prf=5)
def test_default_keylen(self):
"""test keylen==None"""
from passlib.utils.pbkdf2 import pbkdf2
def helper(secret=b'password', salt=b'salt', rounds=1, keylen=None, prf="hmac-sha1"):
return pbkdf2(secret, salt, rounds, keylen, prf)
self.assertEqual(len(helper(prf='hmac-sha1')), 20)
self.assertEqual(len(helper(prf='hmac-sha256')), 32)
def test_custom_prf(self):
"""test custom prf function"""
from passlib.utils.pbkdf2 import pbkdf2
def prf(key, msg):
return hashlib.md5(key+msg+b'fooey').digest()
self.assertRaises(NotImplementedError, pbkdf2, b'secret', b'salt', 1000, 20, prf)
#=============================================================================
# eof
#=============================================================================