mirror of
https://github.com/trezor/trezor-firmware.git
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111 lines
4.3 KiB
Python
111 lines
4.3 KiB
Python
# This file is part of the TREZOR project.
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#
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# Copyright (C) 2012-2016 Marek Palatinus <slush@satoshilabs.com>
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# Copyright (C) 2012-2016 Pavol Rusnak <stick@satoshilabs.com>
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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 as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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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 GNU Lesser General Public License
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# along with this library. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import print_function
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from binascii import hexlify, unhexlify
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import pytest
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import os
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from trezorlib import coins
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from trezorlib import tx_api
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from trezorlib.client import TrezorClient, TrezorClientDebugLink
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from trezorlib.transport import get_transport
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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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def get_device():
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path = os.environ.get('TREZOR_PATH')
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return get_transport(path)
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class TrezorTest:
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def setup_method(self, method):
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wirelink = 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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# 1 2 3 4 5 6 7 8 9 10 11 12
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self.mnemonic12 = 'alcohol woman abuse must during monitor noble actual mixed trade anger aisle'
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self.mnemonic18 = 'owner little vague addict embark decide pink prosper true fork panda embody mixture exchange choose canoe electric jewel'
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self.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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self.mnemonic_all = ' '.join(['all'] * 12)
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self.pin4 = '1234'
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self.pin6 = '789456'
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self.pin8 = '45678978'
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self.client.wipe_device()
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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_allallall(self):
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self.client.load_device_by_mnemonic(mnemonic=self.mnemonic_all, pin='', passphrase_protection=False, label='test', language='english')
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def setup_mnemonic_nopin_nopassphrase(self):
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self.client.load_device_by_mnemonic(mnemonic=self.mnemonic12, pin='', passphrase_protection=False, label='test', language='english')
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def setup_mnemonic_nopin_passphrase(self):
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self.client.load_device_by_mnemonic(mnemonic=self.mnemonic12, pin='', passphrase_protection=True, label='test', language='english')
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def setup_mnemonic_pin_nopassphrase(self):
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self.client.load_device_by_mnemonic(mnemonic=self.mnemonic12, pin=self.pin4, passphrase_protection=False, label='test', language='english')
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def setup_mnemonic_pin_passphrase(self):
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self.client.load_device_by_mnemonic(mnemonic=self.mnemonic12, pin=self.pin4, passphrase_protection=True, label='test', language='english')
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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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