mirror of
https://github.com/trezor/trezor-firmware.git
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275 lines
11 KiB
Python
275 lines
11 KiB
Python
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import pytest
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from trezorlib import messages
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from trezorlib.messages import FailureType
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from trezorlib.tools import parse_path
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XPUB_PASSPHRASE_A = "xpub6CekxGcnqnJ6osfY4Rrq7W5ogFtR54KUvz4H16XzaQuukMFZCGebEpVznfq4yFcKEmYyShwj2UKjL7CazuNSuhdkofF4mHabHkLxCMVvsqG"
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XPUB_PASSPHRASE_NONE = "xpub6BiVtCpG9fQPxnPmHXG8PhtzQdWC2Su4qWu6XW9tpWFYhxydCLJGrWBJZ5H6qTAHdPQ7pQhtpjiYZVZARo14qHiay2fvrX996oEP42u8wZy"
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XPUB_CARDANO_PASSPHRASE_B = "d80e770f6dfc3edb58eaab68aa091b2c27b08a47583471e93437ac5f8baa61880c7af4938a941c084c19731e6e57a5710e6ad1196263291aea297ce0eec0f177"
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def _get_xpub(client, passphrase):
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"""
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Are calls are intentionally "raw", i.e. we are not using trezorlib
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to avoid its implicit session management
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(clearing session after settings, hidden handling of session ids, etc.).
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"""
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response = client.call_raw(
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messages.GetPublicKey(address_n=parse_path("44'/0'/0'"), coin_name="Bitcoin")
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)
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if passphrase is not None:
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assert isinstance(response, messages.PassphraseRequest)
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response = client.call_raw(messages.PassphraseAck(passphrase=passphrase))
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assert isinstance(response, messages.PublicKey)
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return response.xpub
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def _enable_passphrase(client):
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response = client.call_raw(messages.ApplySettings(use_passphrase=True))
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assert isinstance(response, messages.ButtonRequest) # confirm dialog
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client.debug.press_yes()
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response = client.call_raw(messages.ButtonAck())
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assert isinstance(response, messages.Success)
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@pytest.mark.skip_ui
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def test_session_with_passphrase(client):
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# Turn on passphrase.
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_enable_passphrase(client)
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# Let's start the communication by calling Initialize.
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response = client.call_raw(messages.Initialize())
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assert isinstance(response, messages.Features)
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session_id = response.session_id
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assert len(session_id) == 32
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# GetPublicKey requires passphrase and since it is not cached,
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# Trezor will prompt for it.
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xpub = _get_xpub(client, passphrase="A")
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assert xpub == XPUB_PASSPHRASE_A
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# Call Initialize again, this time with the received session id and then call
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# GetPublicKey. The passphrase should be cached now so Trezor must
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# not ask for it again, whilst returning the same xpub.
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response = client.call_raw(messages.Initialize(session_id=session_id))
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assert isinstance(response, messages.Features)
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xpub = _get_xpub(client, passphrase=None)
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assert xpub == XPUB_PASSPHRASE_A
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# If we set session id in Initialize to None, the cache will be cleared
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# and Trezor will ask for the passphrase again.
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response = client.call_raw(messages.Initialize(session_id=None))
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assert isinstance(response, messages.Features)
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xpub = _get_xpub(client, passphrase="A")
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assert xpub == XPUB_PASSPHRASE_A
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# Unknown session id is the same as setting it to None.
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response = client.call_raw(messages.Initialize(session_id=b"X" * 32))
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assert isinstance(response, messages.Features)
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xpub = _get_xpub(client, passphrase="A")
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assert xpub == XPUB_PASSPHRASE_A
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@pytest.mark.skip_ui
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def test_session_enable_passphrase(client):
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# Let's start the communication by calling Initialize.
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response = client.call_raw(messages.Initialize())
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assert isinstance(response, messages.Features)
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session_id = response.session_id
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assert len(session_id) == 32
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# Trezor will not prompt for passphrase because it is turned off.
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xpub = _get_xpub(client, passphrase=None)
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assert xpub == XPUB_PASSPHRASE_NONE
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# Turn on passphrase.
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_enable_passphrase(client)
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# The session id is unchanged, therefore we do not prompt for the passphrase.
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response = client.call_raw(messages.Initialize(session_id=session_id))
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xpub = _get_xpub(client, passphrase=None)
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assert isinstance(response, messages.Features)
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assert session_id == response.session_id
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assert xpub == XPUB_PASSPHRASE_NONE
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# We clear the session id now, so the passphrase should be asked.
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response = client.call_raw(messages.Initialize())
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xpub = _get_xpub(client, passphrase="A")
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assert isinstance(response, messages.Features)
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assert session_id != response.session_id
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assert xpub == XPUB_PASSPHRASE_A
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@pytest.mark.skip_ui
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@pytest.mark.skip_t1
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def test_passphrase_always_on_device(client):
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# Let's start the communication by calling Initialize.
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response = client.call_raw(messages.Initialize())
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assert isinstance(response, messages.Features)
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session_id = response.session_id
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# Turn on passphrase.
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_enable_passphrase(client)
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# Force passphrase entry on Trezor.
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response = client.call_raw(messages.ApplySettings(passphrase_always_on_device=True))
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assert isinstance(response, messages.ButtonRequest) # confirm dialog
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client.debug.press_yes()
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response = client.call_raw(messages.ButtonAck())
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assert isinstance(response, messages.Success)
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# Since we enabled the always_on_device setting, Trezor will send ButtonRequests and ask for it on the device.
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response = client.call_raw(
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messages.GetPublicKey(address_n=parse_path("44'/0'/0'"), coin_name="Bitcoin")
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)
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assert isinstance(response, messages.ButtonRequest)
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client.debug.input("") # Input empty passphrase.
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response = client.call_raw(messages.ButtonAck())
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assert isinstance(response, messages.PublicKey)
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assert response.xpub == XPUB_PASSPHRASE_NONE
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# Passphrase will not be prompted. The session id stays the same and the passphrase is cached.
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response = client.call_raw(messages.Initialize(session_id=session_id))
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assert isinstance(response, messages.Features)
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response = client.call_raw(
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messages.GetPublicKey(address_n=parse_path("44'/0'/0'"), coin_name="Bitcoin")
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)
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assert isinstance(response, messages.PublicKey)
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assert response.xpub == XPUB_PASSPHRASE_NONE
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# In case we want to add a new passphrase we need to send session_id = None.
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response = client.call_raw(messages.Initialize(session_id=None))
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assert isinstance(response, messages.Features)
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response = client.call_raw(
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messages.GetPublicKey(address_n=parse_path("44'/0'/0'"), coin_name="Bitcoin")
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)
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assert isinstance(response, messages.ButtonRequest)
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client.debug.input("A") # Input empty passphrase.
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response = client.call_raw(messages.ButtonAck())
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assert isinstance(response, messages.PublicKey)
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assert response.xpub == XPUB_PASSPHRASE_A
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@pytest.mark.skip_ui
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@pytest.mark.skip_t2
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def test_passphrase_on_device_not_possible_on_t1(client):
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# Let's start the communication by calling Initialize.
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response = client.call_raw(messages.Initialize())
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assert isinstance(response, messages.Features)
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# Turn on passphrase.
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_enable_passphrase(client)
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# This setting makes no sense on T1.
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response = client.call_raw(messages.ApplySettings(passphrase_always_on_device=True))
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assert isinstance(response, messages.Failure)
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assert response.code == FailureType.DataError
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response = client.call_raw(
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messages.GetPublicKey(address_n=parse_path("44'/0'/0'"), coin_name="Bitcoin")
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)
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assert isinstance(response, messages.PassphraseRequest)
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response = client.call_raw(messages.PassphraseAck(on_device=True))
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assert isinstance(response, messages.Failure)
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assert response.code == FailureType.DataError
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@pytest.mark.skip_ui
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@pytest.mark.setup_client(passphrase=True)
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def test_passphrase_ack_mismatch(client):
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response = client.call_raw(
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messages.GetPublicKey(address_n=parse_path("44'/0'/0'"), coin_name="Bitcoin")
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)
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assert isinstance(response, messages.PassphraseRequest)
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response = client.call_raw(messages.PassphraseAck(passphrase="A", on_device=True))
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assert isinstance(response, messages.Failure)
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assert response.code == FailureType.DataError
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@pytest.mark.skip_ui
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@pytest.mark.setup_client(passphrase=True)
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def test_passphrase_missing(client):
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response = client.call_raw(
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messages.GetPublicKey(address_n=parse_path("44'/0'/0'"), coin_name="Bitcoin")
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)
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assert isinstance(response, messages.PassphraseRequest)
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response = client.call_raw(messages.PassphraseAck(passphrase=None))
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assert isinstance(response, messages.Failure)
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assert response.code == FailureType.DataError
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response = client.call_raw(
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messages.GetPublicKey(address_n=parse_path("44'/0'/0'"), coin_name="Bitcoin")
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)
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assert isinstance(response, messages.PassphraseRequest)
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response = client.call_raw(messages.PassphraseAck(passphrase=None, on_device=False))
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assert isinstance(response, messages.Failure)
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assert response.code == FailureType.DataError
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@pytest.mark.skip_ui
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@pytest.mark.skip_t1
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@pytest.mark.altcoin
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@pytest.mark.setup_client(passphrase=True)
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def test_cardano_passphrase(client):
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# Cardano uses a variation of BIP-39 so we need to ask for the passphrase again.
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response = client.call_raw(messages.Initialize())
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assert isinstance(response, messages.Features)
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session_id = response.session_id
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assert len(session_id) == 32
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# GetPublicKey requires passphrase and since it is not cached,
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# Trezor will prompt for it.
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xpub = _get_xpub(client, passphrase="A")
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assert xpub == XPUB_PASSPHRASE_A
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# The passphrase is now cached for non-Cardano coins.
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xpub = _get_xpub(client, passphrase=None)
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assert xpub == XPUB_PASSPHRASE_A
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# Cardano will prompt for it again.
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response = client.call_raw(
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messages.CardanoGetPublicKey(address_n=parse_path("44'/1815'/0'/0/0"))
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)
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assert isinstance(response, messages.PassphraseRequest)
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response = client.call_raw(messages.PassphraseAck(passphrase="B"))
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assert response.xpub == XPUB_CARDANO_PASSPHRASE_B
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# But now also Cardano has it cached.
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response = client.call_raw(
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messages.CardanoGetPublicKey(address_n=parse_path("44'/1815'/0'/0/0"))
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)
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assert response.xpub == XPUB_CARDANO_PASSPHRASE_B
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# And others behaviour did not change.
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xpub = _get_xpub(client, passphrase=None)
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assert xpub == XPUB_PASSPHRASE_A
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# Initialize with the session id does not destroy the state
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client.call_raw(messages.Initialize(session_id=session_id))
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xpub = _get_xpub(client, passphrase=None)
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assert xpub == XPUB_PASSPHRASE_A
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response = client.call_raw(
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messages.CardanoGetPublicKey(address_n=parse_path("44'/1815'/0'/0/0"))
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)
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assert response.xpub == XPUB_CARDANO_PASSPHRASE_B
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