mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-28 10:29:04 +00:00
113 lines
3.8 KiB
Python
113 lines
3.8 KiB
Python
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2018 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 os
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from trezorlib import coins, debuglink, device, tx_api
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from trezorlib.client import TrezorClientDebugLink
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from . import conftest
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tests_dir = os.path.dirname(os.path.abspath(__file__))
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tx_api.cache_dir = os.path.join(tests_dir, "../txcache")
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class TrezorTest:
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# fmt: off
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# 1 2 3 4 5 6 7 8 9 10 11 12
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mnemonic12 = "alcohol woman abuse must during monitor noble actual mixed trade anger aisle"
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mnemonic18 = "owner little vague addict embark decide pink prosper true fork panda embody mixture exchange choose canoe electric jewel"
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mnemonic24 = "dignity pass list indicate nasty swamp pool script soccer toe leaf photo multiply desk host tomato cradle drill spread actor shine dismiss champion exotic"
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mnemonic_all = " ".join(["all"] * 12)
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# fmt: on
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pin4 = "1234"
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pin6 = "789456"
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pin8 = "45678978"
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def setup_method(self, method):
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wirelink = conftest.get_device()
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debuglink = wirelink.find_debug()
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self.client = TrezorClientDebugLink(wirelink)
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self.client.set_debuglink(debuglink)
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self.client.set_tx_api(coins.tx_api["Bitcoin"])
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# self.client.set_buttonwait(3)
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device.wipe(self.client)
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self.client.transport.session_begin()
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def teardown_method(self, method):
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self.client.transport.session_end()
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self.client.close()
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def _setup_mnemonic(self, mnemonic=None, pin="", passphrase=False):
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if mnemonic is None:
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mnemonic = TrezorTest.mnemonic12
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debuglink.load_device_by_mnemonic(
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self.client,
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mnemonic=mnemonic,
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pin=pin,
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passphrase_protection=passphrase,
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label="test",
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language="english",
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)
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def setup_mnemonic_allallall(self):
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self._setup_mnemonic(mnemonic=TrezorTest.mnemonic_all)
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def setup_mnemonic_nopin_nopassphrase(self):
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self._setup_mnemonic()
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def setup_mnemonic_nopin_passphrase(self):
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self._setup_mnemonic(passphrase=True)
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def setup_mnemonic_pin_nopassphrase(self):
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self._setup_mnemonic(pin=TrezorTest.pin4)
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def setup_mnemonic_pin_passphrase(self):
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self._setup_mnemonic(pin=TrezorTest.pin4, passphrase=True)
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def generate_entropy(strength, internal_entropy, external_entropy):
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"""
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strength - length of produced seed. One of 128, 192, 256
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random - binary stream of random data from external HRNG
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"""
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import hashlib
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if strength not in (128, 192, 256):
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raise ValueError("Invalid strength")
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if not internal_entropy:
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raise ValueError("Internal entropy is not provided")
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if len(internal_entropy) < 32:
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raise ValueError("Internal entropy too short")
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if not external_entropy:
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raise ValueError("External entropy is not provided")
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if len(external_entropy) < 32:
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raise ValueError("External entropy too short")
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entropy = hashlib.sha256(internal_entropy + external_entropy).digest()
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entropy_stripped = entropy[: strength // 8]
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if len(entropy_stripped) * 8 != strength:
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raise ValueError("Entropy length mismatch")
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return entropy_stripped
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