mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-03 04:58:25 +00:00
107 lines
3.0 KiB
Python
107 lines
3.0 KiB
Python
import hypothesis.strategies as st
|
|
from hypothesis import assume, settings
|
|
from hypothesis.stateful import Bundle, RuleBasedStateMachine, invariant, rule
|
|
|
|
from python.src.norcow import NorcowBitwise, NorcowBlockwise
|
|
|
|
from . import common
|
|
from .storage_model import StorageModel
|
|
|
|
|
|
class StorageComparison(RuleBasedStateMachine):
|
|
def __init__(self, sc, sp):
|
|
super(StorageComparison, self).__init__()
|
|
self.sc = sc
|
|
self.sp = sp
|
|
self.sm = StorageModel()
|
|
self.sm.init(b"")
|
|
self.sm.unlock("")
|
|
self.storages = (self.sc, self.sp, self.sm)
|
|
|
|
keys = Bundle("keys")
|
|
values = Bundle("values")
|
|
pins = Bundle("pins")
|
|
|
|
@rule(target=keys, app=st.integers(1, 0xFF), key=st.integers(0, 0xFF))
|
|
def k(self, app, key):
|
|
return (app << 8) | key
|
|
|
|
@rule(target=values, v=st.binary(min_size=0, max_size=10000))
|
|
def v(self, v):
|
|
return v
|
|
|
|
@rule(target=pins, p=st.integers(1, 3))
|
|
def p(self, p):
|
|
if p == 1:
|
|
return ""
|
|
else:
|
|
return str(p)
|
|
|
|
@rule(k=keys, v=values)
|
|
def set(self, k, v):
|
|
assume(k != 0xFFFF)
|
|
for s in self.storages:
|
|
s.set(k, v)
|
|
|
|
@rule(k=keys)
|
|
def delete(self, k):
|
|
assume(k != 0xFFFF)
|
|
assert len(set(s.delete(k) for s in self.storages)) == 1
|
|
|
|
@rule(p=pins)
|
|
def check_pin(self, p):
|
|
assert len(set(s.unlock(p) for s in self.storages)) == 1
|
|
self.ensure_unlocked()
|
|
|
|
@rule(oldpin=pins, newpin=pins)
|
|
def change_pin(self, oldpin, newpin):
|
|
assert len(set(s.change_pin(oldpin, newpin) for s in self.storages)) == 1
|
|
self.ensure_unlocked()
|
|
|
|
@rule()
|
|
def lock(self):
|
|
for s in self.storages:
|
|
s.lock()
|
|
self.ensure_unlocked()
|
|
|
|
@invariant()
|
|
def values_agree(self):
|
|
for k, v in self.sm:
|
|
assert self.sc.get(k) == v
|
|
|
|
@invariant()
|
|
def dumps_agree(self):
|
|
assert self.sc._dump() == self.sp._dump()
|
|
|
|
@invariant()
|
|
def pin_counters_agree(self):
|
|
assert len(set(s.get_pin_rem() for s in self.storages)) == 1
|
|
|
|
def ensure_unlocked(self):
|
|
if not self.sm.unlocked:
|
|
for s in self.storages:
|
|
assert s.unlock(self.sm.pin)
|
|
|
|
|
|
class StorageComparisonBitwise(StorageComparison):
|
|
def __init__(self):
|
|
sc, sp = common.init(NorcowBitwise, unlock=True)
|
|
super(StorageComparisonBitwise, self).__init__(sc, sp)
|
|
|
|
|
|
class StorageComparisonBlockwise(StorageComparison):
|
|
def __init__(self):
|
|
sc, sp = common.init(NorcowBlockwise, unlock=True)
|
|
super(StorageComparisonBlockwise, self).__init__(sc, sp)
|
|
|
|
|
|
TestStorageComparisonBitwise = StorageComparisonBitwise.TestCase
|
|
TestStorageComparisonBitwise.settings = settings(
|
|
deadline=None, max_examples=30, stateful_step_count=50
|
|
)
|
|
|
|
TestStorageComparisonBlockwise = StorageComparisonBlockwise.TestCase
|
|
TestStorageComparisonBlockwise.settings = settings(
|
|
deadline=None, max_examples=30, stateful_step_count=50
|
|
)
|