mirror of
https://github.com/trezor/trezor-firmware.git
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e073e619c9
isort set to skip the first necessary "from common import *" line. A better solution would be to get rid of the need of this import in the future. [no changelog]
262 lines
8.0 KiB
Python
262 lines
8.0 KiB
Python
from common import * # isort:skip
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from trezor import config
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from trezor.crypto import random
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PINAPP = 0x00
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PINKEY = 0x00
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def random_entry():
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while True:
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appid, key = 1 + random.uniform(63), random.uniform(256)
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if appid != PINAPP or key != PINKEY:
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break
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return appid, key
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class TestConfig(unittest.TestCase):
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def test_init(self):
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config.init()
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config.init()
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config.init()
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def test_wipe(self):
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config.init()
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config.wipe()
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self.assertEqual(config.unlock("", None), True)
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config.set(1, 1, b"hello")
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config.set(1, 2, b"world")
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v0 = config.get(1, 1)
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v1 = config.get(1, 2)
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self.assertEqual(v0, b"hello")
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self.assertEqual(v1, b"world")
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config.wipe()
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v0 = config.get(1, 1)
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v1 = config.get(1, 2)
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self.assertEqual(v0, None)
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self.assertEqual(v1, None)
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def test_lock(self):
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for _ in range(128):
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config.init()
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config.wipe()
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self.assertEqual(config.unlock("", None), True)
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appid, key = random_entry()
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value = random.bytes(16)
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config.set(appid, key, value)
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config.init()
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self.assertEqual(config.get(appid, key), None)
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with self.assertRaises(RuntimeError):
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config.set(appid, key, bytes())
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config.init()
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config.wipe()
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def test_public(self):
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config.init()
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config.wipe()
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self.assertEqual(config.unlock("", None), True)
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appid, key = random_entry()
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value32 = random.bytes(32)
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config.set(appid, key, value32)
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value16 = random.bytes(16)
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config.set(appid, key, value16, True)
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v1 = config.get(appid, key)
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v2 = config.get(appid, key, True)
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self.assertNotEqual(v1, v2)
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self.assertEqual(v1, value32)
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self.assertEqual(v2, value16)
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config.init()
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v1 = config.get(appid, key)
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v2 = config.get(appid, key, True)
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self.assertNotEqual(v1, v2)
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self.assertEqual(v1, None)
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self.assertEqual(v2, value16)
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def test_change_pin(self):
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config.init()
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config.wipe()
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self.assertTrue(config.unlock("", None))
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config.set(1, 1, b"value")
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PINS = (
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"123",
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"123",
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"Trezor T",
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"3141592653589793238462643383279502884197",
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"",
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)
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old_pin = ""
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for new_pin in PINS:
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self.assertTrue(config.unlock(old_pin, None))
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# The APP namespace which is reserved for storage related values is inaccessible even
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# when unlocked.
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with self.assertRaises(ValueError):
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config.set(PINAPP, PINKEY, b"value")
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self.assertTrue(config.change_pin(old_pin, new_pin, None, None))
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# Old PIN cannot be used to change the current PIN.
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if old_pin != new_pin:
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self.assertFalse(config.change_pin(old_pin, "666", None, None))
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# Storage remains unlocked.
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self.assertEqual(config.get(1, 1), b"value")
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# The APP namespace which is reserved for storage related values is inaccessible even
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# when unlocked.
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with self.assertRaises(ValueError):
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config.get(PINAPP, PINKEY)
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# Old PIN cannot be used to unlock storage.
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if old_pin != new_pin:
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config.init()
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self.assertFalse(config.unlock(old_pin, None))
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self.assertEqual(config.get(1, 1), None)
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with self.assertRaises(RuntimeError):
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config.set(1, 1, b"new value")
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# New PIN unlocks the storage.
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self.assertTrue(config.unlock(new_pin, None))
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self.assertEqual(config.get(1, 1), b"value")
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# Lock the storage.
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config.init()
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old_pin = new_pin
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def test_change_sd_salt(self):
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salt1 = b"0123456789abcdef0123456789abcdef"
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salt2 = b"0123456789ABCDEF0123456789ABCDEF"
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# Enable PIN and SD salt.
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config.init()
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config.wipe()
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self.assertTrue(config.unlock("", None))
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config.set(1, 1, b"value")
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self.assertFalse(config.change_pin("", "", salt1, None))
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self.assertTrue(config.change_pin("", "000", None, salt1))
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self.assertEqual(config.get(1, 1), b"value")
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# Disable PIN and change SD salt.
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config.init()
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self.assertFalse(config.unlock("000", None))
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self.assertIsNone(config.get(1, 1))
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self.assertTrue(config.unlock("000", salt1))
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self.assertTrue(config.change_pin("000", "", salt1, salt2))
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self.assertEqual(config.get(1, 1), b"value")
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# Disable SD salt.
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config.init()
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self.assertFalse(config.unlock("000", salt2))
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self.assertIsNone(config.get(1, 1))
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self.assertTrue(config.unlock("", salt2))
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self.assertTrue(config.change_pin("", "", salt2, None))
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self.assertEqual(config.get(1, 1), b"value")
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# Check that PIN and SD salt are disabled.
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config.init()
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self.assertTrue(config.unlock("", None))
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self.assertEqual(config.get(1, 1), b"value")
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def test_set_get(self):
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config.init()
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config.wipe()
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self.assertEqual(config.unlock("", None), True)
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for _ in range(32):
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appid, key = random_entry()
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value = random.bytes(128)
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config.set(appid, key, value)
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value2 = config.get(appid, key)
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self.assertEqual(value, value2)
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# Test value deletion.
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self.assertTrue(config.delete(appid, key))
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self.assertIsNone(config.get(appid, key))
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self.assertFalse(config.delete(appid, key))
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# Test get/set for APP out ouf range.
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with self.assertRaises(ValueError):
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config.set(0, 1, b"test")
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with self.assertRaises(ValueError):
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config.get(0, 1)
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with self.assertRaises(ValueError):
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config.set(192, 1, b"test")
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with self.assertRaises(ValueError):
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config.get(192, 1)
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def test_counter(self):
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config.init()
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config.wipe()
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# Test writable_locked when storage is locked.
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config.lock()
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with self.assertRaises(RuntimeError):
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config.set_counter(1, 2, 0, False)
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with self.assertRaises(RuntimeError):
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config.next_counter(1, 2, False)
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config.set_counter(1, 2, 100, True)
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for i in range(100, 200):
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self.assertEqual(config.next_counter(1, 2, True), i + 1)
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# Test increment with storage unlocked.
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self.assertEqual(config.unlock("", None), True)
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for i in range(200, 300):
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self.assertEqual(config.next_counter(1, 2, True), i + 1)
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# Test counter deletion.
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config.delete(1, 2, True, True)
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self.assertEqual(config.next_counter(1, 2, True), 0)
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# Test overflow protection.
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with self.assertRaises(RuntimeError):
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config.set_counter(1, 2, 0x1_0000_0000, True)
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start = 0xFFFF_FFFF - 100
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config.set_counter(1, 2, start, True)
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for i in range(start, 0xFFFF_FFFF):
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self.assertEqual(config.next_counter(1, 2, True), i + 1)
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with self.assertRaises(RuntimeError):
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config.next_counter(1, 2, True)
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def test_compact(self):
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config.init()
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config.wipe()
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self.assertEqual(config.unlock("", None), True)
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appid, key = 1, 1
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for _ in range(259):
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value = random.bytes(259)
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config.set(appid, key, value)
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value2 = config.get(appid, key)
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self.assertEqual(value, value2)
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def test_get_default(self):
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config.init()
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config.wipe()
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self.assertEqual(config.unlock("", None), True)
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for _ in range(128):
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appid, key = random_entry()
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value = config.get(appid, key)
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self.assertEqual(value, None)
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if __name__ == "__main__":
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unittest.main()
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