mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-16 03:18:09 +00:00
232 lines
9.5 KiB
Python
232 lines
9.5 KiB
Python
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from unittest import mock
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import pytest
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import shamir_mnemonic as shamir
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from trezorlib import device, messages as proto
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from trezorlib.messages import ButtonRequestType as B, ResetDeviceBackupType
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from .common import TrezorTest, generate_entropy
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EXTERNAL_ENTROPY = b"zlutoucky kun upel divoke ody" * 2
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@pytest.mark.skip_t1
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class TestMsgResetDeviceT2(TrezorTest):
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# TODO: test with different options
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def test_reset_device_supershamir(self):
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strength = 128
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member_threshold = 3
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all_mnemonics = []
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def input_flow():
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# Confirm Reset
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# Backup your seed
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# Confirm warning
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# shares info
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# Set & Confirm number of groups
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# threshold info
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# Set & confirm group threshold value
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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for _ in range(5):
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# Set & Confirm number of share
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# Set & confirm share threshold value
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# Confirm show seeds
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btn_code = yield
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assert btn_code == B.ResetDevice
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self.client.debug.press_yes()
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# show & confirm shares for all groups
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for g in range(5):
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for h in range(5):
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words = []
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btn_code = yield
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assert btn_code == B.Other
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# mnemonic phrases
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# 20 word over 6 pages for strength 128, 33 words over 9 pages for strength 256
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for i in range(6):
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words.extend(self.client.debug.read_reset_word().split())
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if i < 5:
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self.client.debug.swipe_down()
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else:
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# last page is confirmation
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self.client.debug.press_yes()
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# check share
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for _ in range(3):
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index = self.client.debug.read_reset_word_pos()
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self.client.debug.input(words[index])
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all_mnemonics.extend([" ".join(words)])
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# Confirm continue to next share
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btn_code = yield
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assert btn_code == B.Success
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self.client.debug.press_yes()
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# safety warning
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btn_code = yield
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assert btn_code == B.Success
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self.client.debug.press_yes()
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os_urandom = mock.Mock(return_value=EXTERNAL_ENTROPY)
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with mock.patch("os.urandom", os_urandom), self.client:
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self.client.set_expected_responses(
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[
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proto.ButtonRequest(code=B.ResetDevice),
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proto.EntropyRequest(),
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(
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code=B.ResetDevice
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), # group #1 shares& thresholds
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(
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code=B.ResetDevice
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), # group #2 shares& thresholds
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(
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code=B.ResetDevice
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), # group #3 shares& thresholds
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(
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code=B.ResetDevice
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), # group #4 shares& thresholds
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(
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code=B.ResetDevice
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), # group #5 shares& thresholds
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proto.ButtonRequest(code=B.ResetDevice),
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proto.ButtonRequest(code=B.Other), # show seeds
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success),
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proto.ButtonRequest(code=B.Other),
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proto.ButtonRequest(code=B.Success), # show seeds ends here
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proto.ButtonRequest(code=B.Success),
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proto.Success(),
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proto.Features(),
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]
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)
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self.client.set_input_flow(input_flow)
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# No PIN, no passphrase, don't display random
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device.reset(
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self.client,
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display_random=False,
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strength=strength,
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passphrase_protection=False,
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pin_protection=False,
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label="test",
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language="english",
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backup_type=ResetDeviceBackupType.Slip39_Multiple_Groups,
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)
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# generate secret locally
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internal_entropy = self.client.debug.state().reset_entropy
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secret = generate_entropy(strength, internal_entropy, EXTERNAL_ENTROPY)
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# validate that all combinations will result in the correct master secret
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validate_mnemonics(all_mnemonics, member_threshold, secret)
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# Check if device is properly initialized
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assert self.client.features.initialized is True
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assert self.client.features.needs_backup is False
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assert self.client.features.pin_protection is False
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assert self.client.features.passphrase_protection is False
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def validate_mnemonics(mnemonics, threshold, expected_ems):
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# 3of5 shares 3of5 groups
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# TODO: test all possible group+share combinations?
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test_combination = mnemonics[0:3] + mnemonics[5:8] + mnemonics[10:13]
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ms = shamir.combine_mnemonics(test_combination)
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identifier, iteration_exponent, _, _, _ = shamir._decode_mnemonics(test_combination)
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ems = shamir._encrypt(ms, b"", iteration_exponent, identifier)
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assert ems == expected_ems
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