def test_generate_cfpa(data_dir):
config = json.loads(read_file(data_dir, 'cfpa_test.json'))
binary = read_file(data_dir, 'CFPA_test.bin', 'rb')
cfpa = CFPA('lpc55xx', user_config=config)
data = cfpa.export(add_hash=True, compute_inverses=False)
assert binary == data
def test_hash_cmpa():
cfpa = CFPA('lpc55xx')
data = cfpa.export(add_hash=False)
assert len(data) == 512
assert data[0x1e0:] == bytes(32)
data = cfpa.export(add_hash=True)
assert len(data) == 512
sha = hexlify(data[0x1e0:])
assert sha == b'4b48f21a4b7a02bfbec19ef880a967a02334a3cdcef8ae83de2ef327ba8bc5dd'
def generate_pfr() -> None:
"""Generate CFPA data.
Alternatively, to generate data you may use the `pfr` commandline utility
After generating the data, you can upload them to the device using McuBoot.write_memory
!!! Caution !!!
Incorrectly configured data may lock the device from further use
"""
with open(os.path.join(DATA_DIR, "cfpa_test.json")) as config_file:
config_data = json.load(config_file)
cfpa = CFPA("lpc55xx", user_config=config_data)
cfpa_data = cfpa.export()
with open(os.path.join(THIS_DIR, "cfpa.bin"), "wb") as binary_file:
binary_file.write(cfpa_data)
def test_config_cfpa():
cfpa = CFPA('lpc55xx')
config = cfpa.generate_config()
config2 = cfpa.generate_config(exclude_computed=False)
assert config != config2
cfpa2 = CFPA('lpc55xx', user_config=config2)
out = cfpa2.parse(bytes(512), exclude_computed=False)
assert out == config2
def test_supported_devices():
cfpa_devices = CFPA.devices()
cmpa_devices = CMPA.devices()
assert sorted(cmpa_devices) == sorted(cfpa_devices)