mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 15:28:10 +00:00
cff4955f93
Also reword safety checks confirmation dialogs.
169 lines
5.4 KiB
Python
169 lines
5.4 KiB
Python
from common import *
|
|
|
|
from mock_storage import mock_storage
|
|
|
|
from storage import cache
|
|
import storage.device
|
|
from apps.common import HARDENED, safety_checks
|
|
from apps.common.paths import path_is_hardened
|
|
from apps.common.keychain import LRUCache, Keychain, with_slip44_keychain, get_keychain
|
|
from trezor import wire
|
|
from trezor.crypto import bip39
|
|
from trezor.messages import SafetyCheckLevel
|
|
|
|
|
|
class TestKeychain(unittest.TestCase):
|
|
@mock_storage
|
|
def test_verify_path(self):
|
|
n = [
|
|
[44 | HARDENED, 134 | HARDENED],
|
|
[44 | HARDENED, 11 | HARDENED],
|
|
]
|
|
keychain = Keychain(b"", "secp256k1", n)
|
|
|
|
correct = (
|
|
[44 | HARDENED, 134 | HARDENED],
|
|
[44 | HARDENED, 11 | HARDENED],
|
|
[44 | HARDENED, 11 | HARDENED, 12],
|
|
)
|
|
for path in correct:
|
|
keychain.verify_path(path)
|
|
|
|
fails = (
|
|
[44 | HARDENED, 134], # path does not match
|
|
[44, 134], # path does not match (non-hardened items)
|
|
[44 | HARDENED, 13 | HARDENED], # invalid second item
|
|
)
|
|
for f in fails:
|
|
with self.assertRaises(wire.DataError):
|
|
keychain.verify_path(f)
|
|
|
|
# turn off restrictions
|
|
safety_checks.apply_setting(SafetyCheckLevel.PromptTemporarily)
|
|
for path in correct + fails:
|
|
keychain.verify_path(path)
|
|
# turn on restrictions
|
|
safety_checks.apply_setting(SafetyCheckLevel.Strict)
|
|
|
|
def test_verify_path_special_ed25519(self):
|
|
n = [[44 | HARDENED, 134 | HARDENED]]
|
|
k = Keychain(b"", "ed25519-keccak", n)
|
|
|
|
# OK case
|
|
k.verify_path([44 | HARDENED, 134 | HARDENED])
|
|
|
|
# failing case: non-hardened component with ed25519-like derivation
|
|
with self.assertRaises(wire.DataError):
|
|
k.verify_path([44 | HARDENED, 134 | HARDENED, 1])
|
|
|
|
def test_verify_path_empty_namespace(self):
|
|
k = Keychain(b"", "secp256k1", [[]])
|
|
correct = (
|
|
[],
|
|
[1, 2, 3, 4],
|
|
[44 | HARDENED, 11 | HARDENED],
|
|
[44 | HARDENED, 11 | HARDENED, 12],
|
|
)
|
|
for c in correct:
|
|
k.verify_path(c)
|
|
|
|
def test_get_keychain(self):
|
|
seed = bip39.seed(" ".join(["all"] * 12), "")
|
|
cache.start_session()
|
|
cache.set(cache.APP_COMMON_SEED, seed)
|
|
|
|
namespaces = [[44 | HARDENED]]
|
|
keychain = await_result(
|
|
get_keychain(wire.DUMMY_CONTEXT, "secp256k1", namespaces)
|
|
)
|
|
|
|
# valid path:
|
|
self.assertIsNotNone(keychain.derive([44 | HARDENED, 1 | HARDENED]))
|
|
|
|
# invalid path:
|
|
with self.assertRaises(wire.DataError):
|
|
keychain.derive([44])
|
|
|
|
def test_with_slip44(self):
|
|
seed = bip39.seed(" ".join(["all"] * 12), "")
|
|
cache.start_session()
|
|
cache.set(cache.APP_COMMON_SEED, seed)
|
|
|
|
slip44_id = 42
|
|
valid_path = [44 | HARDENED, slip44_id | HARDENED]
|
|
invalid_path = [44 | HARDENED, 99 | HARDENED]
|
|
testnet_path = [44 | HARDENED, 1 | HARDENED]
|
|
|
|
def check_valid_paths(keychain, *paths):
|
|
for path in paths:
|
|
self.assertIsNotNone(keychain.derive(path))
|
|
|
|
def check_invalid_paths(keychain, *paths):
|
|
for path in paths:
|
|
self.assertRaises(wire.DataError, keychain.derive, path)
|
|
|
|
@with_slip44_keychain(slip44_id)
|
|
async def func_id_only(ctx, msg, keychain):
|
|
check_valid_paths(keychain, valid_path)
|
|
check_invalid_paths(keychain, testnet_path, invalid_path)
|
|
|
|
@with_slip44_keychain(slip44_id, allow_testnet=True)
|
|
async def func_allow_testnet(ctx, msg, keychain):
|
|
check_valid_paths(keychain, valid_path, testnet_path)
|
|
check_invalid_paths(keychain, invalid_path)
|
|
|
|
@with_slip44_keychain(slip44_id, curve="ed25519")
|
|
async def func_with_curve(ctx, msg, keychain):
|
|
self.assertEqual(keychain.curve, "ed25519")
|
|
check_valid_paths(keychain, valid_path)
|
|
check_invalid_paths(keychain, testnet_path, invalid_path)
|
|
|
|
await_result(func_id_only(wire.DUMMY_CONTEXT, None))
|
|
await_result(func_allow_testnet(wire.DUMMY_CONTEXT, None))
|
|
await_result(func_with_curve(wire.DUMMY_CONTEXT, None))
|
|
|
|
def test_lru_cache(self):
|
|
class Deletable:
|
|
def __init__(self):
|
|
self.deleted = False
|
|
|
|
def __del__(self):
|
|
self.deleted = True
|
|
|
|
cache = LRUCache(10)
|
|
|
|
obj_a = Deletable()
|
|
self.assertIsNone(cache.get("a"))
|
|
cache.insert("a", obj_a)
|
|
|
|
self.assertIs(cache.get("a"), obj_a)
|
|
|
|
# test eviction
|
|
objects = [(i, Deletable()) for i in range(10)]
|
|
for key, obj in objects:
|
|
cache.insert(key, obj)
|
|
|
|
# object A should have been evicted
|
|
self.assertIsNone(cache.get("a"))
|
|
self.assertTrue(obj_a.deleted)
|
|
|
|
cache.insert("a", obj_a)
|
|
for key, obj in objects[:-1]:
|
|
# objects should have been evicted in insertion order
|
|
self.assertIsNone(cache.get(key))
|
|
self.assertTrue(obj.deleted)
|
|
cache.insert(key, obj)
|
|
|
|
# use "a" object
|
|
self.assertIs(cache.get("a"), obj_a)
|
|
# insert last object
|
|
key, obj = objects[-1]
|
|
cache.insert(key, obj)
|
|
|
|
# "a" is recently used so should not be evicted now
|
|
self.assertIs(cache.get("a"), obj_a)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|