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This module & it's functions have been deprecated, and superceded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