# This file is part of the Trezor project. # # Copyright (C) 2012-2019 SatoshiLabs and contributors # # This library is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License version 3 # as published by the Free Software Foundation. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Lesser General Public License for more details. # # You should have received a copy of the License along with this library. # If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>. import pytest from trezorlib import ethereum from trezorlib.debuglink import TrezorClientDebugLink as Client from trezorlib.tools import parse_path from ...common import parametrize_using_common_fixtures pytestmark = [pytest.mark.altcoin, pytest.mark.ethereum] @parametrize_using_common_fixtures("ethereum/signmessage.json") def test_signmessage(client: Client, parameters, result): res = ethereum.sign_message( client, parse_path(parameters["path"]), parameters["msg"] ) assert res.address == result["address"] assert res.signature.hex() == result["sig"] @parametrize_using_common_fixtures("ethereum/verifymessage.json") def test_verify(client: Client, parameters, result): res = ethereum.verify_message( client, parameters["address"], bytes.fromhex(parameters["sig"]), parameters["msg"], ) assert res is True def test_verify_invalid(client: Client): # First vector from the verifymessage JSON fixture msg = "This is an example of a signed message." address = "0xEa53AF85525B1779eE99ece1a5560C0b78537C3b" sig = bytes.fromhex( "9bacd833b51fde010bab53bafd9d832eadd3b175d2af2e629bb2944fcc987dce7ff68bb3571ed25a720c220f2f9538bc8d04f582bee002c9af086590a49805901c" ) res = ethereum.verify_message( client, address, sig, msg, ) assert res is True # Changing the signature, expecting failure res = ethereum.verify_message( client, address, sig[:-1] + b"\x00", msg, ) assert res is False # Changing the message, expecting failure res = ethereum.verify_message( client, address, sig, msg + "abc", ) assert res is False # Changing the address, expecting failure res = ethereum.verify_message( client, address[:-1] + "a", sig, msg, ) assert res is False