/usr/lib/python2.7/dist-packages/passlib/tests/test_crypto_des.py is in python-passlib 1.7.1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | """passlib.tests -- unittests for passlib.crypto.des"""
#=============================================================================
# imports
#=============================================================================
from __future__ import with_statement, division
# core
from functools import partial
# site
# pkg
# module
from passlib.utils import getrandbytes
from passlib.tests.utils import TestCase
#=============================================================================
# test DES routines
#=============================================================================
class DesTest(TestCase):
descriptionPrefix = "passlib.crypto.des"
# test vectors taken from http://www.skepticfiles.org/faq/testdes.htm
des_test_vectors = [
# key, plaintext, ciphertext
(0x0000000000000000, 0x0000000000000000, 0x8CA64DE9C1B123A7),
(0xFFFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF, 0x7359B2163E4EDC58),
(0x3000000000000000, 0x1000000000000001, 0x958E6E627A05557B),
(0x1111111111111111, 0x1111111111111111, 0xF40379AB9E0EC533),
(0x0123456789ABCDEF, 0x1111111111111111, 0x17668DFC7292532D),
(0x1111111111111111, 0x0123456789ABCDEF, 0x8A5AE1F81AB8F2DD),
(0x0000000000000000, 0x0000000000000000, 0x8CA64DE9C1B123A7),
(0xFEDCBA9876543210, 0x0123456789ABCDEF, 0xED39D950FA74BCC4),
(0x7CA110454A1A6E57, 0x01A1D6D039776742, 0x690F5B0D9A26939B),
(0x0131D9619DC1376E, 0x5CD54CA83DEF57DA, 0x7A389D10354BD271),
(0x07A1133E4A0B2686, 0x0248D43806F67172, 0x868EBB51CAB4599A),
(0x3849674C2602319E, 0x51454B582DDF440A, 0x7178876E01F19B2A),
(0x04B915BA43FEB5B6, 0x42FD443059577FA2, 0xAF37FB421F8C4095),
(0x0113B970FD34F2CE, 0x059B5E0851CF143A, 0x86A560F10EC6D85B),
(0x0170F175468FB5E6, 0x0756D8E0774761D2, 0x0CD3DA020021DC09),
(0x43297FAD38E373FE, 0x762514B829BF486A, 0xEA676B2CB7DB2B7A),
(0x07A7137045DA2A16, 0x3BDD119049372802, 0xDFD64A815CAF1A0F),
(0x04689104C2FD3B2F, 0x26955F6835AF609A, 0x5C513C9C4886C088),
(0x37D06BB516CB7546, 0x164D5E404F275232, 0x0A2AEEAE3FF4AB77),
(0x1F08260D1AC2465E, 0x6B056E18759F5CCA, 0xEF1BF03E5DFA575A),
(0x584023641ABA6176, 0x004BD6EF09176062, 0x88BF0DB6D70DEE56),
(0x025816164629B007, 0x480D39006EE762F2, 0xA1F9915541020B56),
(0x49793EBC79B3258F, 0x437540C8698F3CFA, 0x6FBF1CAFCFFD0556),
(0x4FB05E1515AB73A7, 0x072D43A077075292, 0x2F22E49BAB7CA1AC),
(0x49E95D6D4CA229BF, 0x02FE55778117F12A, 0x5A6B612CC26CCE4A),
(0x018310DC409B26D6, 0x1D9D5C5018F728C2, 0x5F4C038ED12B2E41),
(0x1C587F1C13924FEF, 0x305532286D6F295A, 0x63FAC0D034D9F793),
(0x0101010101010101, 0x0123456789ABCDEF, 0x617B3A0CE8F07100),
(0x1F1F1F1F0E0E0E0E, 0x0123456789ABCDEF, 0xDB958605F8C8C606),
(0xE0FEE0FEF1FEF1FE, 0x0123456789ABCDEF, 0xEDBFD1C66C29CCC7),
(0x0000000000000000, 0xFFFFFFFFFFFFFFFF, 0x355550B2150E2451),
(0xFFFFFFFFFFFFFFFF, 0x0000000000000000, 0xCAAAAF4DEAF1DBAE),
(0x0123456789ABCDEF, 0x0000000000000000, 0xD5D44FF720683D0D),
(0xFEDCBA9876543210, 0xFFFFFFFFFFFFFFFF, 0x2A2BB008DF97C2F2),
]
def test_01_expand(self):
"""expand_des_key()"""
from passlib.crypto.des import expand_des_key, shrink_des_key, \
_KDATA_MASK, INT_56_MASK
# make sure test vectors are preserved (sans parity bits)
# uses ints, bytes are tested under # 02
for key1, _, _ in self.des_test_vectors:
key2 = shrink_des_key(key1)
key3 = expand_des_key(key2)
# NOTE: this assumes expand_des_key() sets parity bits to 0
self.assertEqual(key3, key1 & _KDATA_MASK)
# type checks
self.assertRaises(TypeError, expand_des_key, 1.0)
# too large
self.assertRaises(ValueError, expand_des_key, INT_56_MASK+1)
self.assertRaises(ValueError, expand_des_key, b"\x00"*8)
# too small
self.assertRaises(ValueError, expand_des_key, -1)
self.assertRaises(ValueError, expand_des_key, b"\x00"*6)
def test_02_shrink(self):
"""shrink_des_key()"""
from passlib.crypto.des import expand_des_key, shrink_des_key, INT_64_MASK
rng = self.getRandom()
# make sure reverse works for some random keys
# uses bytes, ints are tested under # 01
for i in range(20):
key1 = getrandbytes(rng, 7)
key2 = expand_des_key(key1)
key3 = shrink_des_key(key2)
self.assertEqual(key3, key1)
# type checks
self.assertRaises(TypeError, shrink_des_key, 1.0)
# too large
self.assertRaises(ValueError, shrink_des_key, INT_64_MASK+1)
self.assertRaises(ValueError, shrink_des_key, b"\x00"*9)
# too small
self.assertRaises(ValueError, shrink_des_key, -1)
self.assertRaises(ValueError, shrink_des_key, b"\x00"*7)
def _random_parity(self, key):
"""randomize parity bits"""
from passlib.crypto.des import _KDATA_MASK, _KPARITY_MASK, INT_64_MASK
rng = self.getRandom()
return (key & _KDATA_MASK) | (rng.randint(0,INT_64_MASK) & _KPARITY_MASK)
def test_03_encrypt_bytes(self):
"""des_encrypt_block()"""
from passlib.crypto.des import (des_encrypt_block, shrink_des_key,
_pack64, _unpack64)
# run through test vectors
for key, plaintext, correct in self.des_test_vectors:
# convert to bytes
key = _pack64(key)
plaintext = _pack64(plaintext)
correct = _pack64(correct)
# test 64-bit key
result = des_encrypt_block(key, plaintext)
self.assertEqual(result, correct, "key=%r plaintext=%r:" %
(key, plaintext))
# test 56-bit version
key2 = shrink_des_key(key)
result = des_encrypt_block(key2, plaintext)
self.assertEqual(result, correct, "key=%r shrink(key)=%r plaintext=%r:" %
(key, key2, plaintext))
# test with random parity bits
for _ in range(20):
key3 = _pack64(self._random_parity(_unpack64(key)))
result = des_encrypt_block(key3, plaintext)
self.assertEqual(result, correct, "key=%r rndparity(key)=%r plaintext=%r:" %
(key, key3, plaintext))
# check invalid keys
stub = b'\x00' * 8
self.assertRaises(TypeError, des_encrypt_block, 0, stub)
self.assertRaises(ValueError, des_encrypt_block, b'\x00'*6, stub)
# check invalid input
self.assertRaises(TypeError, des_encrypt_block, stub, 0)
self.assertRaises(ValueError, des_encrypt_block, stub, b'\x00'*7)
# check invalid salts
self.assertRaises(ValueError, des_encrypt_block, stub, stub, salt=-1)
self.assertRaises(ValueError, des_encrypt_block, stub, stub, salt=1<<24)
# check invalid rounds
self.assertRaises(ValueError, des_encrypt_block, stub, stub, 0, rounds=0)
def test_04_encrypt_ints(self):
"""des_encrypt_int_block()"""
from passlib.crypto.des import des_encrypt_int_block
# run through test vectors
for key, plaintext, correct in self.des_test_vectors:
# test 64-bit key
result = des_encrypt_int_block(key, plaintext)
self.assertEqual(result, correct, "key=%r plaintext=%r:" %
(key, plaintext))
# test with random parity bits
for _ in range(20):
key3 = self._random_parity(key)
result = des_encrypt_int_block(key3, plaintext)
self.assertEqual(result, correct, "key=%r rndparity(key)=%r plaintext=%r:" %
(key, key3, plaintext))
# check invalid keys
self.assertRaises(TypeError, des_encrypt_int_block, b'\x00', 0)
self.assertRaises(ValueError, des_encrypt_int_block, -1, 0)
# check invalid input
self.assertRaises(TypeError, des_encrypt_int_block, 0, b'\x00')
self.assertRaises(ValueError, des_encrypt_int_block, 0, -1)
# check invalid salts
self.assertRaises(ValueError, des_encrypt_int_block, 0, 0, salt=-1)
self.assertRaises(ValueError, des_encrypt_int_block, 0, 0, salt=1<<24)
# check invalid rounds
self.assertRaises(ValueError, des_encrypt_int_block, 0, 0, 0, rounds=0)
#=============================================================================
# eof
#=============================================================================
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