130 lines
5.6 KiB
Python
130 lines
5.6 KiB
Python
###############################################################################
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#
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# The MIT License (MIT)
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#
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# Copyright (c) Crossbar.io Technologies GmbH
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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###############################################################################
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from __future__ import absolute_import
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import unittest2 as unittest
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import platform
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import six
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import re
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import json
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import binascii
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import hashlib
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from autobahn.wamp import auth
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# these test vectors are all for HMAC-SHA1
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PBKDF2_TEST_VECTORS = [
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# From RFC 6070
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(b'password', b'salt', 1, 20, u'0c60c80f961f0e71f3a9b524af6012062fe037a6'),
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(b'password', b'salt', 2, 20, u'ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957'),
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# From Crypt-PBKDF2
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(b'password', b'ATHENA.MIT.EDUraeburn', 1, 16, u'cdedb5281bb2f801565a1122b2563515'),
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(b'password', b'ATHENA.MIT.EDUraeburn', 1, 32, u'cdedb5281bb2f801565a1122b25635150ad1f7a04bb9f3a333ecc0e2e1f70837'),
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(b'password', b'ATHENA.MIT.EDUraeburn', 2, 16, u'01dbee7f4a9e243e988b62c73cda935d'),
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(b'password', b'ATHENA.MIT.EDUraeburn', 2, 32, u'01dbee7f4a9e243e988b62c73cda935da05378b93244ec8f48a99e61ad799d86'),
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(b'password', b'ATHENA.MIT.EDUraeburn', 1200, 32, u'5c08eb61fdf71e4e4ec3cf6ba1f5512ba7e52ddbc5e5142f708a31e2e62b1e13'),
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(b'X' * 64, b'pass phrase equals block size', 1200, 32, u'139c30c0966bc32ba55fdbf212530ac9c5ec59f1a452f5cc9ad940fea0598ed1'),
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(b'X' * 65, b'pass phrase exceeds block size', 1200, 32, u'9ccad6d468770cd51b10e6a68721be611a8b4d282601db3b36be9246915ec82a'),
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]
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if platform.python_implementation() != 'PyPy':
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# the following fails on PyPy: "RuntimeError: maximum recursion depth exceeded"
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PBKDF2_TEST_VECTORS.extend(
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[
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# From RFC 6070
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(b'password', b'salt', 4096, 20, u'4b007901b765489abead49d926f721d065a429c1'),
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(b'passwordPASSWORDpassword', b'saltSALTsaltSALTsaltSALTsaltSALTsalt', 4096, 25, u'3d2eec4fe41c849b80c8d83662c0e44a8b291a964cf2f07038'),
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(b'pass\x00word', b'sa\x00lt', 4096, 16, u'56fa6aa75548099dcc37d7f03425e0c3'),
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# This one is from the RFC but it just takes for ages
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# (b'password', b'salt', 16777216, 20, u'eefe3d61cd4da4e4e9945b3d6ba2158c2634e984'),
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]
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)
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class TestWampAuthHelpers(unittest.TestCase):
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def test_pbkdf2(self):
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for tv in PBKDF2_TEST_VECTORS:
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result = auth.pbkdf2(tv[0], tv[1], tv[2], tv[3], hashlib.sha1)
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self.assertEqual(type(result), bytes)
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self.assertEqual(binascii.hexlify(result).decode('ascii'), tv[4])
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def test_generate_totp_secret_default(self):
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secret = auth.generate_totp_secret()
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self.assertEqual(type(secret), six.text_type)
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self.assertEqual(len(secret), 10 * 8 / 5)
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def test_generate_totp_secret_length(self):
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for length in [5, 10, 20, 30, 40, 50]:
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secret = auth.generate_totp_secret(length)
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self.assertEqual(type(secret), six.text_type)
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self.assertEqual(len(secret), length * 8 / 5)
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def test_compute_totp(self):
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pat = re.compile(u"\d{6}")
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secret = u"MFRGGZDFMZTWQ2LK"
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signature = auth.compute_totp(secret)
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self.assertEqual(type(signature), six.text_type)
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self.assertTrue(pat.match(signature) is not None)
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def test_compute_totp_offset(self):
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pat = re.compile(u"\d{6}")
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secret = u"MFRGGZDFMZTWQ2LK"
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for offset in range(-10, 10):
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signature = auth.compute_totp(secret, offset)
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self.assertEqual(type(signature), six.text_type)
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self.assertTrue(pat.match(signature) is not None)
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def test_derive_key(self):
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secret = u'L3L1YUE8Txlw'
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salt = u'salt123'
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key = auth.derive_key(secret.encode('utf8'), salt.encode('utf8'))
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self.assertEqual(type(key), bytes)
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self.assertEqual(key, b"qzcdsr9uu/L5hnss3kjNTRe490ETgA70ZBaB5rvnJ5Y=")
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def test_generate_wcs_default(self):
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secret = auth.generate_wcs()
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self.assertEqual(type(secret), bytes)
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self.assertEqual(len(secret), 14)
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def test_generate_wcs_length(self):
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for length in [5, 10, 20, 30, 40, 50]:
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secret = auth.generate_wcs(length)
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self.assertEqual(type(secret), bytes)
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self.assertEqual(len(secret), length)
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def test_compute_wcs(self):
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secret = u'L3L1YUE8Txlw'
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challenge = json.dumps([1, 2, 3], ensure_ascii=False).encode('utf8')
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signature = auth.compute_wcs(secret.encode('utf8'), challenge)
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self.assertEqual(type(signature), bytes)
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self.assertEqual(signature, b"1njQtmmeYO41N5EWEzD2kAjjEKRZ5kPZt/TzpYXOzR0=")
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