tests: parametrize reset/backup tests

pull/592/head
matejcik 5 years ago committed by matejcik
parent a8f2f7b1e3
commit 45665bde23

@ -0,0 +1,259 @@
# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
import pytest
import shamir_mnemonic as shamir
from trezorlib import device, messages
from trezorlib.messages import BackupType, ButtonRequestType as B
from ..common import click_through, read_and_confirm_mnemonic
def backup_flow_bip39(client):
mnemonic = None
def input_flow():
nonlocal mnemonic
# 1. Confirm Reset
yield from click_through(client.debug, screens=1, code=B.ResetDevice)
# mnemonic phrases
btn_code = yield
assert btn_code == B.ResetDevice
mnemonic = read_and_confirm_mnemonic(client.debug, words=12)
# confirm recovery seed check
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
# confirm success
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
with client:
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.Success),
messages.Success(),
]
)
client.set_input_flow(input_flow)
device.backup(client)
return mnemonic.encode()
def backup_flow_slip39_basic(client):
mnemonics = []
def input_flow():
# 1. Checklist
# 2. Number of shares (5)
# 3. Checklist
# 4. Threshold (3)
# 5. Checklist
# 6. Confirm show seeds
yield from click_through(client.debug, screens=6, code=B.ResetDevice)
# Mnemonic phrases
for _ in range(5):
yield # Phrase screen
mnemonic = read_and_confirm_mnemonic(client.debug, words=20)
mnemonics.append(mnemonic)
yield # Confirm continue to next
client.debug.press_yes()
# Confirm backup
yield
client.debug.press_yes()
with client:
client.set_input_flow(input_flow)
client.set_expected_responses(
[messages.ButtonRequest(code=B.ResetDevice)] * 6 # intro screens
+ [
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
]
* 5 # individual shares
+ [messages.ButtonRequest(code=B.Success), messages.Success()]
)
device.backup(client)
mnemonics = mnemonics[:3]
ms = shamir.combine_mnemonics(mnemonics)
identifier, iteration_exponent, _, _, _ = shamir._decode_mnemonics(mnemonics)
secret = shamir._encrypt(ms, b"", iteration_exponent, identifier)
return secret
def backup_flow_slip39_advanced(client):
mnemonics = []
def input_flow():
# 1. Confirm Reset
# 2. shares info
# 3. Set & Confirm number of groups
# 4. threshold info
# 5. Set & confirm group threshold value
# 6-15: for each of 5 groups:
# 1. Set & Confirm number of shares
# 2. Set & confirm share threshold value
# 16. Confirm show seeds
yield from click_through(client.debug, screens=16, code=B.ResetDevice)
# show & confirm shares for all groups
for _ in range(5):
for _ in range(5):
# mnemonic phrases
btn_code = yield
assert btn_code == B.ResetDevice
mnemonic = read_and_confirm_mnemonic(client.debug, words=20)
mnemonics.append(mnemonic)
# Confirm continue to next share
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
# safety warning
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
with client:
client.set_input_flow(input_flow)
client.set_expected_responses(
[messages.ButtonRequest(code=B.ResetDevice)] * 6 # intro screens
+ [
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
]
* 5 # group thresholds
+ [
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
]
* 25 # individual shares
+ [messages.ButtonRequest(code=B.Success), messages.Success()]
)
device.backup(client)
mnemonics = mnemonics[0:3] + mnemonics[5:8] + mnemonics[10:13]
ms = shamir.combine_mnemonics(mnemonics)
identifier, iteration_exponent, _, _, _ = shamir._decode_mnemonics(mnemonics)
secret = shamir._encrypt(ms, b"", iteration_exponent, identifier)
return secret
VECTORS = [
(BackupType.Bip39, backup_flow_bip39),
(BackupType.Slip39_Basic, backup_flow_slip39_basic),
(BackupType.Slip39_Advanced, backup_flow_slip39_advanced),
]
@pytest.mark.skip_t1
@pytest.mark.parametrize("backup_type, backup_flow", VECTORS)
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_msg(client, backup_type, backup_flow):
device.reset(
client,
skip_backup=True,
passphrase_protection=False,
pin_protection=False,
backup_type=backup_type,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is backup_type
secret = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is backup_type
assert secret is not None
state = client.debug.state()
assert state.mnemonic_type is backup_type
assert state.mnemonic_secret == secret
@pytest.mark.skip_t1
@pytest.mark.parametrize("backup_type, backup_flow", VECTORS)
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_manual(client, backup_type, backup_flow):
def reset_skip_input_flow():
yield # Confirm Recovery
client.debug.press_yes()
yield # Skip Backup
client.debug.press_no()
yield # Confirm skip backup
client.debug.press_no()
with client:
client.set_input_flow(reset_skip_input_flow)
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.EntropyRequest(),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.Success(),
messages.Features(),
]
)
device.reset(
client,
pin_protection=False,
passphrase_protection=False,
backup_type=backup_type,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is backup_type
secret = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is backup_type
assert secret is not None
state = client.debug.state()
assert state.mnemonic_type is backup_type
assert state.mnemonic_secret == secret

@ -1,167 +0,0 @@
# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
from unittest import mock
import pytest
from mnemonic import Mnemonic
from trezorlib import device, messages
from trezorlib.messages import BackupType, ButtonRequestType as B
from ..common import click_through, generate_entropy, read_and_confirm_mnemonic
EXTERNAL_ENTROPY = b"zlutoucky kun upel divoke ody" * 2
OS_URANDOM = mock.Mock(return_value=EXTERNAL_ENTROPY)
@pytest.mark.skip_t1
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_msg(client):
with mock.patch("os.urandom", OS_URANDOM), client:
device.reset(
client,
display_random=False,
strength=128,
skip_backup=True,
passphrase_protection=False,
pin_protection=False,
label="test",
language="english",
backup_type=BackupType.Bip39,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is BackupType.Bip39
mnemonic = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is BackupType.Bip39
assert mnemonic is not None
# generate mnemonic locally
internal_entropy = client.debug.state().reset_entropy
entropy = generate_entropy(128, internal_entropy, EXTERNAL_ENTROPY)
expected_mnemonic = Mnemonic("english").to_mnemonic(entropy)
# Compare that device generated proper mnemonic for given entropies
assert mnemonic == expected_mnemonic
@pytest.mark.skip_t1
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_manual(client):
def reset_skip_input_flow():
yield # Confirm Recovery
client.debug.press_yes()
yield # Skip Backup
client.debug.press_no()
yield # Confirm skip backup
client.debug.press_no()
with mock.patch("os.urandom", OS_URANDOM), client:
client.set_input_flow(reset_skip_input_flow)
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.EntropyRequest(),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.Success(),
messages.Features(),
]
)
device.reset(
client,
pin_protection=False,
passphrase_protection=False,
backup_type=BackupType.Bip39,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is BackupType.Bip39
mnemonic = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is BackupType.Bip39
assert mnemonic is not None
# generate mnemonic locally
internal_entropy = client.debug.state().reset_entropy
entropy = generate_entropy(128, internal_entropy, EXTERNAL_ENTROPY)
expected_mnemonic = Mnemonic("english").to_mnemonic(entropy)
# Compare that device generated proper mnemonic for given entropies
assert mnemonic == expected_mnemonic
def backup_flow(client):
mnemonic = None
def input_flow():
nonlocal mnemonic
# 1. Confirm Reset
yield from click_through(client.debug, screens=1, code=B.ResetDevice)
# mnemonic phrases
btn_code = yield
assert btn_code == B.ResetDevice
mnemonic = read_and_confirm_mnemonic(client.debug, words=12)
# confirm recovery seed check
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
# confirm success
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
with client:
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.Success),
messages.Success(),
]
)
client.set_input_flow(input_flow)
device.backup(client)
return mnemonic

@ -1,250 +0,0 @@
# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
from unittest import mock
import pytest
import shamir_mnemonic as shamir
from trezorlib import device, messages
from trezorlib.messages import BackupType, ButtonRequestType as B
from ..common import click_through, generate_entropy, read_and_confirm_mnemonic
EXTERNAL_ENTROPY = b"zlutoucky kun upel divoke ody" * 2
OS_URANDOM = mock.Mock(return_value=EXTERNAL_ENTROPY)
@pytest.mark.skip_t1
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_msg(client):
with mock.patch("os.urandom", OS_URANDOM), client:
device.reset(
client,
display_random=False,
strength=128,
skip_backup=True,
passphrase_protection=False,
pin_protection=False,
label="test",
language="english",
backup_type=BackupType.Slip39_Advanced,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is BackupType.Slip39_Advanced
# generate secret locally
internal_entropy = client.debug.state().reset_entropy
secret = generate_entropy(128, internal_entropy, EXTERNAL_ENTROPY)
mnemonics = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is BackupType.Slip39_Advanced
assert mnemonics is not []
validate_mnemonics(mnemonics, secret)
@pytest.mark.skip_t1
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_manual(client):
def reset_skip_input_flow():
yield # Confirm Recovery
client.debug.press_yes()
yield # Skip Backup
client.debug.press_no()
yield # Confirm skip backup
client.debug.press_no()
with mock.patch("os.urandom", OS_URANDOM), client:
client.set_input_flow(reset_skip_input_flow)
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.EntropyRequest(),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.Success(),
messages.Features(),
]
)
device.reset(
client,
strength=128,
pin_protection=False,
passphrase_protection=False,
backup_type=BackupType.Slip39_Advanced,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is BackupType.Slip39_Advanced
# generate secret locally
internal_entropy = client.debug.state().reset_entropy
secret = generate_entropy(128, internal_entropy, EXTERNAL_ENTROPY)
mnemonics = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is BackupType.Slip39_Advanced
assert mnemonics is not []
# generate secret locally
internal_entropy = client.debug.state().reset_entropy
secret = generate_entropy(128, internal_entropy, EXTERNAL_ENTROPY)
validate_mnemonics(mnemonics, secret)
def backup_flow(client):
all_mnemonics = []
def input_flow():
# 1. Confirm Reset
# 2. shares info
# 3. Set & Confirm number of groups
# 4. threshold info
# 5. Set & confirm group threshold value
# 6-15: for each of 5 groups:
# 1. Set & Confirm number of shares
# 2. Set & confirm share threshold value
# 16. Confirm show seeds
yield from click_through(client.debug, screens=16, code=B.ResetDevice)
# show & confirm shares for all groups
for g in range(5):
for h in range(5):
# mnemonic phrases
btn_code = yield
assert btn_code == B.ResetDevice
mnemonic = read_and_confirm_mnemonic(client.debug, words=20)
all_mnemonics.append(mnemonic)
# Confirm continue to next share
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
# safety warning
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
with client:
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice), # group #1 counts
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice), # group #2 counts
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice), # group #3 counts
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice), # group #4 counts
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice), # group #5 counts
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice), # show seeds
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success), # show seeds ends here
messages.ButtonRequest(code=B.Success),
messages.Success(),
]
)
client.set_input_flow(input_flow)
device.backup(client)
return all_mnemonics
def validate_mnemonics(mnemonics, expected_ems):
# 3of5 shares 3of5 groups
test_combination = mnemonics[0:3] + mnemonics[5:8] + mnemonics[10:13]
ms = shamir.combine_mnemonics(test_combination)
identifier, iteration_exponent, _, _, _ = shamir._decode_mnemonics(test_combination)
ems = shamir._encrypt(ms, b"", iteration_exponent, identifier)
assert ems == expected_ems

@ -1,193 +0,0 @@
# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
from itertools import combinations
from unittest import mock
import pytest
import shamir_mnemonic as shamir
from shamir_mnemonic import MnemonicError
from trezorlib import device, messages
from trezorlib.messages import BackupType, ButtonRequestType as B
from ..common import click_through, generate_entropy, read_and_confirm_mnemonic
EXTERNAL_ENTROPY = b"zlutoucky kun upel divoke ody" * 2
OS_URANDOM = mock.Mock(return_value=EXTERNAL_ENTROPY)
@pytest.mark.skip_t1
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_msg(client):
with mock.patch("os.urandom", OS_URANDOM), client:
device.reset(
client,
display_random=False,
strength=128,
skip_backup=True,
passphrase_protection=False,
pin_protection=False,
label="test",
language="english",
backup_type=BackupType.Slip39_Basic,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is BackupType.Slip39_Basic
# generate secret locally
internal_entropy = client.debug.state().reset_entropy
secret = generate_entropy(128, internal_entropy, EXTERNAL_ENTROPY)
mnemonics = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is BackupType.Slip39_Basic
assert mnemonics is not []
validate_mnemonics(mnemonics, 3, secret)
@pytest.mark.skip_t1
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_manual(client):
def reset_skip_input_flow():
yield # Confirm Recovery
client.debug.press_yes()
yield # Skip Backup
client.debug.press_no()
yield # Confirm skip backup
client.debug.press_no()
with mock.patch("os.urandom", OS_URANDOM), client:
client.set_input_flow(reset_skip_input_flow)
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.EntropyRequest(),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.Success(),
messages.Features(),
]
)
device.reset(
client,
pin_protection=False,
passphrase_protection=False,
backup_type=BackupType.Slip39_Basic,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is BackupType.Slip39_Basic
# generate secret locally
internal_entropy = client.debug.state().reset_entropy
secret = generate_entropy(128, internal_entropy, EXTERNAL_ENTROPY)
mnemonics = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is BackupType.Slip39_Basic
assert mnemonics is not []
validate_mnemonics(mnemonics, 3, secret)
def backup_flow(client):
mnemonics = []
def input_flow():
# 1. Checklist
# 2. Number of shares (5)
# 3. Checklist
# 4. Threshold (3)
# 5. Checklist
# 6. Confirm show seeds
yield from click_through(client.debug, screens=6, code=B.ResetDevice)
# Mnemonic phrases
for _ in range(5):
yield # Phrase screen
mnemonic = read_and_confirm_mnemonic(client.debug, words=20)
mnemonics.append(mnemonic)
yield # Confirm continue to next
client.debug.press_yes()
# Confirm backup
yield
client.debug.press_yes()
with client:
client.set_input_flow(input_flow)
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.Success),
messages.Success(),
]
)
device.backup(client)
return mnemonics
def validate_mnemonics(mnemonics, threshold, expected_ems):
# We expect these combinations to recreate the secret properly
for test_group in combinations(mnemonics, threshold):
# TODO: HOTFIX, we should fix this properly by modifying and unifying the python-shamir-mnemonic API
ms = shamir.combine_mnemonics(test_group)
identifier, iteration_exponent, _, _, _ = shamir._decode_mnemonics(test_group)
ems = shamir._encrypt(ms, b"", iteration_exponent, identifier)
assert ems == expected_ems
# We expect these combinations to raise MnemonicError
for test_group in combinations(mnemonics, threshold - 1):
with pytest.raises(
MnemonicError, match=r".*Expected {} mnemonics.*".format(threshold)
):
shamir.combine_mnemonics(test_group)
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