mirror of https://github.com/Yubico/python-fido2
63 lines
2.9 KiB
Python
63 lines
2.9 KiB
Python
# Copyright (c) 2019 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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from __future__ import absolute_import, unicode_literals
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from fido2.attestation.tpm import TpmAttestationFormat, TpmPublicFormat
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from binascii import a2b_hex
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import unittest
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class TestTpmObject(unittest.TestCase):
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def test_parse_tpm(self):
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data = a2b_hex(
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"ff54434780170022000b68cec627cc6411099a1f809fde4379f649aa170c7072d1adf230de439efc80810014f7c8b0cdeb31328648130a19733d6fff16e76e1300000003ef605603446ed8c56aa7608d01a6ea5651ee67a8a20022000bdf681917e18529c61e1b85a1e7952f3201eb59c609ed5d8e217e5de76b228bbd0022000b0a10d216b0c3ab82bfdc1f0a016ab9493384c7aee1937ee8800f76b30c9b71a7" # noqa
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)
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tpm = TpmAttestationFormat.parse(data)
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self.assertEqual(tpm.data, a2b_hex("f7c8b0cdeb31328648130a19733d6fff16e76e13"))
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def test_parse_too_short_of_a_tpm(self):
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with self.assertRaises(ValueError):
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TpmAttestationFormat.parse(a2b_hex("ff5443"))
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with self.assertRaises(ValueError) as e:
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data = a2b_hex(
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"ff54434780170022000b68cec627cc6411099a1f809fde4379f649aa170c7072d1adf230de439efc80810014f7c8b0cdeb31328648" # noqa
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)
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TpmAttestationFormat.parse(data)
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self.assertEqual(
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e.exception.args[0], "Not enough data to read (need: 20, had: 9)."
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)
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def test_parse_public_ecc(self):
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data = a2b_hex(
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"0023000b00060472000000100010000300100020b9174cd199f77552afcffe6b1f069c032ffdc4f56068dec4e189e7967b3bf6b0002037bf8aa7d93fddb9507319141c6fa31c8e48a1c6da013603a9f6e3913d157c66" # noqa
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)
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TpmPublicFormat.parse(data)
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