def test_meta_assign_read_ac():
obj = objects.AppData(0xf1d0)
old_meta = {'read': obj.meta['read']}
obj.meta = {'read': 'never'}
with pytest.raises(IOError):
print(obj.read())
obj.meta = old_meta
def test_meta_assign_change_ac():
obj = objects.AppData(0xf1d0)
old_meta = {'change': obj.meta['change']}
obj.meta = {'change': 'never'}
with pytest.raises(IOError):
print(obj.write(b'\x00\x00\x00'))
obj.meta = old_meta
def test_meta_assign_complex_ac(ki):
obj = objects.AppData(0xf1d0)
for key, value in ki.items():
if key not in obj.meta:
old_meta = {key: 'always'}
else:
old_meta = {key: obj.meta[key]}
obj.meta = {key: value}
assert {key: value} == {key: obj.meta[key]}
obj.meta = old_meta
def test_tls_prf_secret_from_appdata_minimum(hash_alg):
app_data = objects.AppData(0xf1d0)
app_data.write(bytes().fromhex(secret))
old_type = app_data.meta['type']
old_execute_ac = app_data.meta['execute']
app_data.meta = {'type': 'pre_sh_secret', 'execute': 'always'}
optiga_ec.tls_prf(app_data,
32,
seed=bytes().fromhex(seed),
hash_algorithm=hash_alg)
app_data.meta = {'type': old_type, 'execute': old_execute_ac}
def test_hkdf_secret_from_appdata(hash_alg):
app_data = objects.AppData(0xf1d0)
app_data.write(bytes().fromhex(secret))
old_type = app_data.meta['type']
old_execute_ac = app_data.meta['execute']
app_data.meta = {'type': 'pre_sh_secret', 'execute': 'always'}
derived_key = optiga_ec.hkdf(app_data,
32,
hash_algorithm=hash_alg,
export=True)
app_data.meta = {'type': old_type, 'execute': old_execute_ac}
def test_meta_set_object_type(obj_type):
obj = objects.AppData(0xf1d0)
old_meta = None
if 'type' in obj.meta:
old_meta = {'type': obj.meta['type']}
obj.meta = {'type': obj_type}
assert obj.meta['type'] == obj_type
if old_meta is not None:
obj.meta = old_meta
def test_meta_assign_used_size():
obj = objects.AppData(0xf1d0)
with pytest.raises(OSError):
obj.meta = {'used_size': 100}
def test_meta_check_used_size():
obj = objects.AppData(0xf1d0)
assert isinstance(obj.meta['used_size'], int)
assert isinstance(obj.used_size, int)
def test_meta_check_max_size():
obj = objects.AppData(0xf1d0)
assert 140 == obj.meta['max_size']
assert 140 == obj.max_size
def test_meta_assign_wrong_tag_value():
obj = objects.AppData(0xf1d0)
with pytest.raises(ValueError):
obj.meta = {'change': 'nie'}
def test_meta_assign_wrong_tag():
obj = objects.AppData(0xf1d0)
with pytest.raises(ValueError):
obj.meta = {'write': 'never'}
def test_meta_read_appdata():
obj = objects.AppData(0xf1d0)
print(obj.meta)
