mirror of
https://github.com/Yubico/python-fido2
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94 lines
3.6 KiB
Python
94 lines
3.6 KiB
Python
# coding=utf-8
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# Copyright (c) 2013 Yubico AB
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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import unittest
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from binascii import a2b_hex
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from fido2.utils import hmac_sha256, sha256, websafe_encode, websafe_decode
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class TestSha256(unittest.TestCase):
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def test_sha256_vectors(self):
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self.assertEqual(
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sha256(b"abc"),
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a2b_hex(
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b"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
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),
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)
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self.assertEqual(
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sha256(b"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"),
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a2b_hex(
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b"248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1"
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),
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)
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class TestHmacSha256(unittest.TestCase):
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def test_hmac_sha256_vectors(self):
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self.assertEqual(
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hmac_sha256(b"\x0b" * 20, b"Hi There"),
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a2b_hex(
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b"b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7"
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),
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)
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self.assertEqual(
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hmac_sha256(b"Jefe", b"what do ya want for nothing?"),
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a2b_hex(
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b"5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843"
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),
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)
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class TestWebSafe(unittest.TestCase):
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# Base64 vectors adapted from https://tools.ietf.org/html/rfc4648#section-10
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def test_websafe_decode(self):
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self.assertEqual(websafe_decode(b""), b"")
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self.assertEqual(websafe_decode(b"Zg"), b"f")
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self.assertEqual(websafe_decode(b"Zm8"), b"fo")
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self.assertEqual(websafe_decode(b"Zm9v"), b"foo")
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self.assertEqual(websafe_decode(b"Zm9vYg"), b"foob")
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self.assertEqual(websafe_decode(b"Zm9vYmE"), b"fooba")
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self.assertEqual(websafe_decode(b"Zm9vYmFy"), b"foobar")
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def test_websafe_decode_unicode(self):
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self.assertEqual(websafe_decode(u""), b"")
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self.assertEqual(websafe_decode(u"Zm9vYmFy"), b"foobar")
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def test_websafe_encode(self):
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self.assertEqual(websafe_encode(b""), u"")
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self.assertEqual(websafe_encode(b"f"), u"Zg")
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self.assertEqual(websafe_encode(b"fo"), u"Zm8")
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self.assertEqual(websafe_encode(b"foo"), u"Zm9v")
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self.assertEqual(websafe_encode(b"foob"), u"Zm9vYg")
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self.assertEqual(websafe_encode(b"fooba"), u"Zm9vYmE")
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self.assertEqual(websafe_encode(b"foobar"), u"Zm9vYmFy")
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