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https://github.com/trezor/trezor-firmware.git
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49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
from hashlib import blake2s
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import pytest
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from trezorlib import firmware, models
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from trezorlib.debuglink import TrezorClientDebugLink as Client
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# size of FIRMWARE_AREA, see core/embed/models/model_*_layout.c
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FIRMWARE_LENGTHS = {
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models.T1B1: 7 * 128 * 1024 + 64 * 1024,
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models.T2T1: 13 * 128 * 1024,
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models.T2B1: 13 * 128 * 1024,
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models.T3T1: 208 * 8 * 1024,
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}
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def test_firmware_hash_emu(client: Client) -> None:
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if client.features.fw_vendor != "EMULATOR":
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pytest.skip("Only for emulator")
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data = b"\xff" * FIRMWARE_LENGTHS[client.model]
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expected_hash = blake2s(data).digest()
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hash = firmware.get_hash(client, None)
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assert hash == expected_hash
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challenge = b"Hello Trezor"
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expected_hash = blake2s(data, key=challenge).digest()
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hash = firmware.get_hash(client, challenge)
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assert hash == expected_hash
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def test_firmware_hash_hw(client: Client) -> None:
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if client.features.fw_vendor == "EMULATOR":
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pytest.skip("Only for hardware")
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# TODO get firmware image from outside the environment, check for actual result
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challenge = b"Hello Trezor"
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empty_data = b"\xff" * FIRMWARE_LENGTHS[client.model]
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empty_hash = blake2s(empty_data).digest()
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empty_hash_challenge = blake2s(empty_data, key=challenge).digest()
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hash = firmware.get_hash(client, None)
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assert hash != empty_hash
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hash2 = firmware.get_hash(client, challenge)
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assert hash != hash2
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assert hash2 != empty_hash_challenge
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