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core/tests: add unit tests for new functionality

Browse Source
pull/1140/head
matejcik 4 years ago committed by matejcik
parent a461853cf6
commit 58f460627f
3 changed files with 183 additions and 139 deletions
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165
core/tests/test_apps.common.keychain.py
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@ -0,0 +1,165 @@
from common import *
from mock_storage import mock_storage
from storage import cache
import storage.device
from apps.common import HARDENED
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
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
storage.device.set_unsafe_prompts_allowed(True)
for path in correct + fails:
keychain.verify_path(path)
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()

10
core/tests/test_apps.common.paths.py
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@ -1,6 +1,6 @@
from common import *
from apps.common import HARDENED
from apps.common.paths import validate_path_for_get_public_key, is_hardened
from apps.common.paths import validate_path_for_get_public_key, is_hardened, path_is_hardened
class TestPaths(unittest.TestCase):
@ -14,6 +14,14 @@ class TestPaths(unittest.TestCase):
self.assertFalse(is_hardened(0))
self.assertFalse(is_hardened(99999))
def test_path_is_hardened(self):
self.assertTrue(path_is_hardened([44 | HARDENED, 1 | HARDENED, 0 | HARDENED]))
self.assertTrue(path_is_hardened([0 | HARDENED, ]))
self.assertFalse(path_is_hardened([44, 44 | HARDENED, 0 | HARDENED]))
self.assertFalse(path_is_hardened([0, ]))
self.assertFalse(path_is_hardened([44 | HARDENED, 1 | HARDENED, 0 | HARDENED, 0 | HARDENED, 0]))
def test_path_for_get_public_key(self):
# 44'/41'/0'
self.assertTrue(validate_path_for_get_public_key([44 | HARDENED, 41 | HARDENED, 0 | HARDENED], 41))

147
core/tests/test_apps.common.seed.py
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@ -1,83 +1,16 @@
from common import *
from storage import cache
from apps.common import HARDENED
from apps.common.seed import Keychain, Slip21Node, _path_hardened, get_keychain, with_slip44_keychain
from apps.common.keychain import Keychain
from apps.common.seed import Slip21Node
from trezor import wire
from trezor.crypto import bip39
class TestKeychain(unittest.TestCase):
def test_match_path(self):
n = [
("ed25519", [44 | HARDENED, 134 | HARDENED]),
("secp256k1", [44 | HARDENED, 11 | HARDENED]),
]
k = Keychain(b"", n)
correct = (
([44 | HARDENED, 134 | HARDENED], "ed25519"),
([44 | HARDENED, 11 | HARDENED], "secp256k1"),
([44 | HARDENED, 11 | HARDENED, 12], "secp256k1"),
)
for path, curve in correct:
i, suffix = k.match_path(path)
ns_curve, ns = k.namespaces[i]
self.assertEqual(curve, ns_curve)
fails = [
[44 | HARDENED, 134], # path does not match
[44, 134], # path does not match (non-hardened items)
[44 | HARDENED, 134 | HARDENED, 123], # non-hardened item in ed25519 ns
[44 | HARDENED, 13 | HARDENED], # invalid second item
]
for f in fails:
with self.assertRaises(wire.DataError):
k.match_path(f)
def test_match_path_special_ed25519(self):
n = [
("ed25519-keccak", [44 | HARDENED, 134 | HARDENED]),
]
k = Keychain(b"", n)
correct = (
[44 | HARDENED, 134 | HARDENED],
)
for c in correct:
k.match_path(c)
fails = [
[44 | HARDENED, 134 | HARDENED, 1],
]
for f in fails:
with self.assertRaises(wire.DataError):
k.match_path(f)
def test_match_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.match_path(c)
def test_path_hardened(self):
self.assertTrue(_path_hardened([44 | HARDENED, 1 | HARDENED, 0 | HARDENED]))
self.assertTrue(_path_hardened([0 | HARDENED, ]))
self.assertFalse(_path_hardened([44, 44 | HARDENED, 0 | HARDENED]))
self.assertFalse(_path_hardened([0, ]))
self.assertFalse(_path_hardened([44 | HARDENED, 1 | HARDENED, 0 | HARDENED, 0 | HARDENED, 0]))
class TestSeed(unittest.TestCase):
def test_slip21(self):
seed = bip39.seed(' '.join(['all'] * 12), '')
node1 = Slip21Node(seed)
node2 = node1.clone()
keychain = Keychain(seed, [("slip21", [b"SLIP-0021"])])
keychain = Keychain(seed, "", [], slip21_namespaces=[[b"SLIP-0021"]])
# Key(m)
KEY_M = unhexlify(b"dbf12b44133eaab506a740f6565cc117228cbf1dd70635cfa8ddfdc9af734756")
@ -87,87 +20,25 @@ class TestKeychain(unittest.TestCase):
KEY_M_SLIP0021 = unhexlify(b"1d065e3ac1bbe5c7fad32cf2305f7d709dc070d672044a19e610c77cdf33de0d")
node1.derive_path([b"SLIP-0021"])
self.assertEqual(node1.key(), KEY_M_SLIP0021)
keychain.match_path([b"SLIP-0021"])
self.assertEqual(keychain.derive([b"SLIP-0021"]).key(), KEY_M_SLIP0021)
self.assertEqual(keychain.derive_slip21([b"SLIP-0021"]).key(), KEY_M_SLIP0021)
# Key(m/"SLIP-0021"/"Master encryption key")
KEY_M_SLIP0021_MEK = unhexlify(b"ea163130e35bbafdf5ddee97a17b39cef2be4b4f390180d65b54cf05c6a82fde")
node1.derive_path([b"Master encryption key"])
self.assertEqual(node1.key(), KEY_M_SLIP0021_MEK)
keychain.match_path([b"SLIP-0021", b"Master encryption key"])
self.assertEqual(keychain.derive([b"SLIP-0021", b"Master encryption key"]).key(), KEY_M_SLIP0021_MEK)
self.assertEqual(keychain.derive_slip21([b"SLIP-0021", b"Master encryption key"]).key(), KEY_M_SLIP0021_MEK)
# Key(m/"SLIP-0021"/"Authentication key")
KEY_M_SLIP0021_AK = unhexlify(b"47194e938ab24cc82bfa25f6486ed54bebe79c40ae2a5a32ea6db294d81861a6")
node2.derive_path([b"SLIP-0021", b"Authentication key"])
self.assertEqual(node2.key(), KEY_M_SLIP0021_AK)
keychain.match_path([b"SLIP-0021", b"Authentication key"])
self.assertEqual(keychain.derive([b"SLIP-0021", b"Authentication key"]).key(), KEY_M_SLIP0021_AK)
self.assertEqual(keychain.derive_slip21([b"SLIP-0021", b"Authentication key"]).key(), KEY_M_SLIP0021_AK)
# Forbidden paths.
with self.assertRaises(wire.DataError):
self.assertFalse(keychain.match_path([]))
with self.assertRaises(wire.DataError):
self.assertFalse(keychain.match_path([b"SLIP-9999", b"Authentication key"]))
with self.assertRaises(wire.DataError):
keychain.derive([b"SLIP-9999", b"Authentication key"]).key()
def test_get_keychain(self):
seed = bip39.seed(' '.join(['all'] * 12), '')
cache.start_session()
cache.set(cache.APP_COMMON_SEED, seed)
namespaces = [("secp256k1", [44 | HARDENED])]
keychain = await_result(get_keychain(wire.DUMMY_CONTEXT, namespaces))
# valid path:
self.assertIsNotNone(keychain.derive([44 | HARDENED, 1 | HARDENED]))
# invalid path:
keychain.derive_slip21([])
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):
check_valid_paths(keychain, valid_path)
check_invalid_paths(keychain, testnet_path, invalid_path)
i, _ = keychain.match_path(valid_path)
ns_curve, ns = keychain.namespaces[i]
self.assertEqual(ns_curve, "ed25519")
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))
keychain.derive_slip21([b"SLIP-9999", b"Authentication key"])
if __name__ == '__main__':

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