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https://github.com/trezor/trezor-firmware.git
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140 lines
4.6 KiB
Python
140 lines
4.6 KiB
Python
# flake8: noqa: F403,F405
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from common import * # isort:skip
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import storage
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import storage.device
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from trezor.crypto.hashlib import sha256
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from apps.common import mnemonic
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from apps.webauthn.credential import _NAME_MAX_LENGTH, Fido2Credential, U2fCredential
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from apps.webauthn.fido2 import _distinguishable_cred_list
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class TestCredential(unittest.TestCase):
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def test_fido2_credential_decode(self):
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mnemonic_secret = b"all all all all all all all all all all all all"
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mnemonic.get_secret = lambda: mnemonic_secret
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storage.device.is_initialized = lambda: True
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cred_id = (
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b"f1d0020013e65c865634ad8abddf7a66df56ae7d8c3afd356f76426801508b2e"
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b"579bcb3496fe6396a6002e3cd6d80f6359dfa9961e24c544bfc2f26acec1b8d8"
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b"78ba56727e1f6a7b5176c607552aea63a5abe5d826d69fab3063edfa0201d9a5"
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b"1013d69eddb2eff37acdd5963f"
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)
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rp_id = "example.com"
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rp_id_hash = sha256(rp_id).digest()
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user_id = b"3082019330820138a0030201023082019330820138a003020102308201933082"
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user_name = "johnpsmith@example.com"
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creation_time = 2
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public_key = (
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b"a501020326200121582051f0d4c307bc737c90ac605c6279f7d01e451798aa7b"
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b"74df550fdb43a7760c7c22582002b5107fef42094d00f52a9b1e90afb90e1b9d"
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b"ecbf15a6f13d4f882de857e2f4"
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)
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cred_random = (
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b"36a9b5d71c13ed54594474b54073af1fb03ea91cd056588909dae43ae2f35dbf"
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)
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# Load credential.
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cred = Fido2Credential.from_cred_id(unhexlify(cred_id), rp_id_hash)
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self.assertIsNotNone(cred)
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# Check credential data.
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self.assertEqual(hexlify(cred.id), cred_id)
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self.assertEqual(cred.rp_id, rp_id)
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self.assertEqual(cred.rp_id_hash, rp_id_hash)
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self.assertEqual(hexlify(cred.user_id), user_id)
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self.assertEqual(cred.user_name, user_name)
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self.assertEqual(cred.creation_time, creation_time)
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self.assertTrue(cred.hmac_secret)
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self.assertIsNone(cred.rp_name)
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self.assertIsNone(cred.user_display_name)
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# Check credential keys.
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self.assertEqual(hexlify(cred.hmac_secret_key()), cred_random)
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self.assertEqual(hexlify(cred.public_key()), public_key)
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def test_truncation(self):
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cred = Fido2Credential()
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cred.truncate_names()
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self.assertIsNone(cred.rp_name)
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self.assertIsNone(cred.user_name)
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self.assertIsNone(cred.user_display_name)
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cred.rp_name = "a" * (_NAME_MAX_LENGTH - 2) + "\u0123"
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cred.user_name = "a" * (_NAME_MAX_LENGTH - 1) + "\u0123"
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cred.user_display_name = "a" * _NAME_MAX_LENGTH + "\u0123"
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cred.truncate_names()
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self.assertEqual(cred.rp_name, "a" * (_NAME_MAX_LENGTH - 2) + "\u0123")
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self.assertEqual(cred.user_name, "a" * (_NAME_MAX_LENGTH - 1))
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self.assertEqual(cred.user_display_name, "a" * _NAME_MAX_LENGTH)
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def test_allow_list_processing(self):
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a1 = Fido2Credential()
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a1.user_id = b"user-a"
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a1.user_name = "user-a"
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a1.creation_time = 1
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a2 = Fido2Credential()
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a2.user_id = b"user-a"
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a2.user_display_name = "User A"
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a2.creation_time = 3
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a3 = Fido2Credential()
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a3.user_id = b"user-a"
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a3.user_name = "User A"
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a3.creation_time = 4
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b1 = Fido2Credential()
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b1.user_id = b"user-b"
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b1.creation_time = 2
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b2 = Fido2Credential()
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b2.user_id = b"user-b"
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b2.creation_time = 5
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b3 = Fido2Credential()
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b3.user_id = b"user-b"
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b3.creation_time = 5
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c1 = U2fCredential()
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c2 = U2fCredential()
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self.assertEqual(
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sorted(_distinguishable_cred_list([a1, a2, a3, b1, b2, c1, c2])),
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[b2, a3, a1, c1],
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)
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self.assertEqual(
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sorted(_distinguishable_cred_list([c2, c1, b2, b1, a3, a2, a1])),
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[b2, a3, a1, c2],
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)
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# Test input by creation time.
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self.assertEqual(
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sorted(_distinguishable_cred_list([b2, a3, c1, a2, b1, a1, c2])),
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[b2, a3, a1, c1],
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)
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self.assertEqual(
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sorted(_distinguishable_cred_list([c2, a1, b1, a2, c1, a3, b2])),
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[b2, a3, a1, c2],
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)
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# Test duplicities.
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self.assertEqual(
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sorted(_distinguishable_cred_list([c1, a1, a1, c2, c1])), [a1, c1]
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)
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self.assertEqual(sorted(_distinguishable_cred_list([b2, b3])), [b2])
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self.assertEqual(sorted(_distinguishable_cred_list([b3, b2])), [b3])
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if __name__ == "__main__":
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unittest.main()
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