1
0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-17 13:12:05 +00:00
trezor-firmware/tests/device_tests/test_msg_resetdevice_supershamir.py
2019-09-10 13:48:51 +02:00

171 lines
7.7 KiB
Python

from unittest import mock
import pytest
import shamir_mnemonic as shamir
from trezorlib import device, messages as proto
from trezorlib.messages import ButtonRequestType as B, ResetDeviceBackupType
from .common import click_through, generate_entropy, read_and_confirm_mnemonic
EXTERNAL_ENTROPY = b"zlutoucky kun upel divoke ody" * 2
@pytest.mark.skip_t1
class TestMsgResetDeviceT2:
# TODO: test with different options
@pytest.mark.setup_client(uninitialized=True)
def test_reset_device_supershamir(self, client):
strength = 128
word_count = 20
member_threshold = 3
all_mnemonics = []
def input_flow():
# 1. Confirm Reset
# 2. Backup your seed
# 3. Confirm warning
# 4. shares info
# 5. Set & Confirm number of groups
# 6. threshold info
# 7. Set & confirm group threshold value
# 8-17: for each of 5 groups:
# 1. Set & Confirm number of shares
# 2. Set & confirm share threshold value
# 18. Confirm show seeds
yield from click_through(client.debug, screens=18, 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.Other
mnemonic = read_and_confirm_mnemonic(client.debug, words=word_count)
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()
os_urandom = mock.Mock(return_value=EXTERNAL_ENTROPY)
with mock.patch("os.urandom", os_urandom), client:
client.set_expected_responses(
[
proto.ButtonRequest(code=B.ResetDevice),
proto.EntropyRequest(),
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice), # group #1 counts
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice), # group #2 counts
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice), # group #3 counts
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice), # group #4 counts
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.ResetDevice), # group #5 counts
proto.ButtonRequest(code=B.ResetDevice),
proto.ButtonRequest(code=B.Other), # show seeds
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success),
proto.ButtonRequest(code=B.Other),
proto.ButtonRequest(code=B.Success), # show seeds ends here
proto.ButtonRequest(code=B.Success),
proto.Success(),
proto.Features(),
]
)
client.set_input_flow(input_flow)
# No PIN, no passphrase, don't display random
device.reset(
client,
display_random=False,
strength=strength,
passphrase_protection=False,
pin_protection=False,
label="test",
language="english",
backup_type=ResetDeviceBackupType.Slip39_Multiple_Groups,
)
# generate secret locally
internal_entropy = client.debug.state().reset_entropy
secret = generate_entropy(strength, internal_entropy, EXTERNAL_ENTROPY)
# validate that all combinations will result in the correct master secret
validate_mnemonics(all_mnemonics, member_threshold, secret)
# Check if device is properly initialized
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.pin_protection is False
assert client.features.passphrase_protection is False
def validate_mnemonics(mnemonics, threshold, expected_ems):
# 3of5 shares 3of5 groups
# TODO: test all possible group+share combinations?
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